[RE-wrenches] Sol-Ark install

[Dana Orzel via RE-wrenches]

We have done one Solark installation & I was shocked as to the lack of ground 
wire landing terminals & space. We added a 12126 metal box below to ease the # 
of entrances to two 11/4”.
 I jumpered a # 8 to a second ground bar to allow for additional landing 
locations. I called Solark to question this & the response to the question was 
“yeah we have heard this from other installers “.
End of call. 
Dana Orzel
C: 208.721.7003
E- d...@solarwork.com

> On Apr 13, 2022, at 8:21 PM, Maverick Brown via RE-wrenches 
>  wrote:
> 
> Ron
> 
> The Sol-Ark has two MPPT channels and has two separate landing spots for each 
> MPPT channels. Each landing pair needs matching strings. 8 AWG wire barely 
> fits so the Sol-Ark PV terminals so they may only be rated for 10AWG. 
> 
> I’m assuming you have a ground array  The most common stringing method would 
> be to use a trench with conduit and THHN wire. You could also sleeve a 
> direct-burial cable into the ground.  Calculate the voltage drop over the 
> distance to make sure 10AWG is adequate. If not, then make a junction, like a 
> MidNite or Outback combiner or an IMO switch at the array to get up the right 
> wire size, with an added MidNite Surge Protector or EMP shield device. If 
> it’s a long distance (larger wire size), add another combiner at the inverter 
> building entrance to get back to 10 AWG. 
> 
> https://practicalpreppers.com/product/imo-4-pole-16-amp-dc-disconnect/
> 
> Also, The Sol-Ark sizing guide helps with string calculations. 
> 
> https://www.sol-ark.com/solar-panel-sizing/SolarPanelSizing.html
> 
> Contact me off list with additional questions. 
> 
> 
> 
> Maverick Brown
> Off-Grid Solar Commander since 2006
> Maverick Solar Enterprises, Inc.
>  • Solar Commander Remote Power
>  • SunFlow Systems Cathodic Protection 
> maver...@mavericksolar.com
> 512-460-9825
> 
> 
>>> On Apr 12, 2022, at 9:42 PM, Ron Young via RE-wrenches 
>>>  wrote:
>>> 
>> Hi Wrenches, trying to wrap my head around a first time Sol-Ark install. 
>> Because the max DC voltage is 500v at 18a  and the PV I’m using is 40v DC 
>> each I will have to create three strings each 480v. What would be the best 
>> choice for a home run wire? I’ve always used smaller strings with micro 
>> inverters, a combiner at the array and a single Teck home run cable but the 
>> string inverter presents a different scenario and it looks like I’ll need to 
>> use three home run cables, one for each string. 
>> 
>> Ron Young
>> 
>> earthRight Products - Solareagle.com
>> Alternative Energy Solutions ~ Renewable Energy Products
>> 
>> 
>> ___
>> List sponsored by Redwood Alliance
>> 
>> Pay optional member dues here: http://re-wrenches.org
>> 
>> List Address: RE-wrenches@lists.re-wrenches.org
>> 
>> Change listserver email address & settings:
>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>> 
>> There are two list archives for searching. When one doesn't work, try the 
>> other:
>> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>> 
>> List rules & etiquette:
>> http://www.re-wrenches.org/etiquette.htm
>> 
>> Check out or update participant bios:
>> http://www.members.re-wrenches.org
>> 
> ___
> List sponsored by Redwood Alliance
> 
> Pay optional member dues here: http://re-wrenches.org
> 
> List Address: RE-wrenches@lists.re-wrenches.org
> 
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
> 
> There are two list archives for searching. When one doesn't work, try the 
> other:
> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
> 
> List rules & etiquette:
> http://www.re-wrenches.org/etiquette.htm
> 
> Check out or update participant bios:
> http://www.members.re-wrenches.org
> 
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] Razors & Removing paint from solar modules

[Dana Orzel via RE-wrenches]

If your use a razor only use a fresh razor blades. The moment you feel burrs 
stop & replace the razor as the burrs will scratch the glass. Also keep the 
surface always wet with a soapy solution [surfactant] to keep the surface slick 
& this extends the short life of a razors edge.

Use a razor handle to hold the blade & keep a first aid kit available. Soapy 
water & razor blades have interesting incidents.  I owned a window tint shop 40 
years ago & definitely had my share of razor cuts.

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003   d...@solarwork.com

Idaho Contractor - # 028765 Idaho PV # 028374

NABCEP # 051112-136 
www.greatsolarworks.com

"Responsible Technologies for Responsible People since 1988"  

P Please consider the environment before printing this email.

 

 

From: RE-wrenches  On Behalf Of 
Chris Mason via RE-wrenches
Sent: Friday, April 15, 2022 8:18 AM
To: RE-wrenches 
Cc: Chris Mason 
Subject: Re: [RE-wrenches] Removing paint from solar modules

 

Just a razor blade. I doubt you can take if off chemically.

 

On Fri, Apr 15, 2022 at 9:01 AM Mac Lewis via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org> > 
wrote:

Hi Wrenches,

 

We had some painters try to paint a house in 35 mph winds and (of course) the 
overspray got onto some recently installed solar modules.  They were using a 
latex water-based exterior paint.  Are there any mild solvents you might 
recommend to help clean this up?  Or just elbow grease?

 

Thanks!

-- 

 

 

 

Mac Lewis

"Yo solo sé que no sé nada." -Sócrates

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org 
 

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org




 

-- 

Chris Mason

Solar systems designer

Generac Generators Industrial technician

 

Comet Systems Ltd DBA Comet Solar
Anguilla Cell  264.235.5670

WhatsApp 264.235.5670

Skype: netconcepts

www.cometsolar.com  

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Removing paint from solar modules

[Dana Orzel via RE-wrenches]

Also Latex paint come off with Isopropyl Alcohol.

 

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003   d...@solarwork.com

Idaho Contractor - # 028765 Idaho PV # 028374

NABCEP # 051112-136   www.greatsolarworks.com 
 

"Responsible Technologies for Responsible People since 1988"  

P Please consider the environment before printing this email.

 

 

From: RE-wrenches  On Behalf Of Mac 
Lewis via RE-wrenches
Sent: Friday, April 15, 2022 7:01 AM
To: RE-wrenches 
Cc: Mac Lewis 
Subject: [RE-wrenches] Removing paint from solar modules

 

Hi Wrenches,

 

We had some painters try to paint a house in 35 mph winds and (of course) the 
overspray got onto some recently installed solar modules.  They were using a 
latex water-based exterior paint.  Are there any mild solvents you might 
recommend to help clean this up?  Or just elbow grease?

 

Thanks!

-- 

 

 

 

Mac Lewis

"Yo solo sé que no sé nada." -Sócrates

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Fronius in the game?

[Dana Orzel via RE-wrenches]

Moving to Idaho I have inherited a valley full of Fronius & SMA The only 
failures have had to replace have been Fronius & I replaced with SMA. All were 
out of warranty according to Fronius.

 

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003   d...@solarwork.com

Idaho Contractor - # 028765 Idaho PV # 028374

NABCEP # 051112-136 
www.greatsolarworks.com

"Responsible Technologies for Responsible People since 1988"  

P Please consider the environment before printing this email.

 

 

From: RE-wrenches  On Behalf Of 
Glenn Burt via RE-wrenches
Sent: Friday, April 22, 2022 3:06 PM
To: August Goers via RE-wrenches 
Cc: Glenn Burt 
Subject: Re: [RE-wrenches] Fronius in the game?

 

We continue to install Fronius inverters on our ground mounted systems here in 
southern VT and some of eastern NY.

 

-Glenn

Sent from my 'smart'phone, so please excuse typos and spelling errors.

 

-- Original message--

From: August Goers via RE-wrenches 

Date: Fri, Apr 22, 2022 2:41 PM

To: RE-wrenches;

Cc: August Goers;

Subject:[RE-wrenches] Fronius in the game?

 

Hi Wrenches,

 

I recently had a friend install a Fronius Primo inverter in California. When he 
submitted for interconnection, PG&E said it didn't meet the current smart 
inverter requirements. Here is the response from Fronius tech support:

 

"The Fronius Primo and Symo line are not compliant with Rule 21 Phase 3. With 
the lack of Phase 3 certification, these inverters can't be installed since 
June 22, 2020 in any territory of the big 3 IOUs (PG&E, SCE, SDGE) or where a 
listing on the CEC Grid Support (‘Smart’) Inverter list is required."

 

Is anyone still using Fronius on this list? Is Fronius pulling out of the US 
market?

 

Best, August


August Goers

Luminalt Energy Corporation

www.luminalt.com  

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] GJ 250 circuit breaker DC 250

[Dana Orzel via RE-wrenches]

Jeremy - I have several let me know if I can help.

 

 

Dana Orzel -  E - d...@solarwork.com -  C - 208.721.7003 

 

From: RE-wrenches  On Behalf Of
Jeremy Rodriguez via RE-wrenches
Sent: Tuesday, May 31, 2022 10:16 PM
To: re-wrenches@lists.re-wrenches.org
Cc: Jeremy Rodriguez 
Subject: [RE-wrenches] GJ 250 circuit breaker DC 250

 

Hello  

Does anyone have a good used 250A CB for the old DC250 by  Xantrex? I
believe they are a GJ250?

Or does any of the new equipment work. Kind of looks like the Magnum Energy
breakers in a MMP. 

Contact me off list If necessary. 

Regards, 

 



 

Jeremy Rodriguez 

Solar Installation / Design Expert 

All Solar, Inc. 

1453 M St

Penrose Colorado 81240

 

 

 

Sent by Jeremy's iPhone. Sorry for typos and shorthand. 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] wire management on Qcell AC module

[Dana Orzel via RE-wrenches]

Tape is not approved as a wire retaining device as far as I can find in the NEC 
:-]

 

 

Dana Orzel -  E - d...@solarwork.com -  C - 208.721.7003 

 

From: RE-wrenches  On Behalf Of 
Jerry Shafer via RE-wrenches
Sent: Thursday, June 2, 2022 9:40 AM
To: RE-wrenches 
Cc: Jerry Shafer 
Subject: Re: [RE-wrenches] wire management on Qcell AC module

 

Regarding the tape on the back sheet

I have seen Novis installers keep the tape to secure the modules and I have 
also seen it with the tape stll attached to the wires laying on the roof so in 
my humble opinion the tape is for shipping only and is not to be used as a wire 
management system. 

Jerry 

NABCEP PV Inspector

 

On Thu, Jun 2, 2022 at 6:37 AM Dave Tedeyan via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org> > 
wrote:

Hi All, 

 

I just got some of the Qcell 360w AC modules that have the Enphase 
microinverter factory applied to the back. The module is the half cut cell type 
with the DC leads coming from either side of the middle of the module. The 
modules come with the wires taped to the back of the module. If you remove that 
tape, there appears to be almost no way to properly manage those wires. Is that 
tape meant to just keep the wire on the back of the module forever? Would that 
even last more than a year? I am curious what other people have done for these 
if they have used them or something similar. Maybe if you get the rail in the 
right spot, the wires will just sit on the rail...

 

I realize that we have had a thread on wire management with half cut cell 
modules before, but this is a little different, as I am specifically asking 
about that tape and if anyone knows if it holds up over time.

 

Cheers, 

Dave


 

-- 


  


Dave Tedeyan, P.E.
Owner | Sungineer Solar


p: he | him | his
a: 1653 Slaterville Rd. | Ithaca, NY 14850
w:   www.sungineersolar.com
c: (607) 288-2898



___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org 
 

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] The Questions of product reliability

[Dana Orzel via RE-wrenches]

Having been in the solar biz since 1988 I can, but will not make a list of 
products that have come & gone;  products that have been Guinea pigged on all 
of us, promises that have been made & not kept, equipment that has caught fire 
& individuals that have made unrealistic promises to clients that have really 
damaged the reputations of the balance of those of us who are trying to build a 
reliable & reputable reputations in a still growing now teen aged industry.

 

That said I have held back on installing new product introductions & still do 
on say micro inverters: they get really hot & really cold & the long term 
reliability of a product that suffers that will suffer in the long run. I do 
not know of many 5-8 year old micro inverter systems that have not had at least 
some inverter components replaced. I remember the first micro inverter training 
class that I attended & the presenter kept using the term mean time to failure, 
& I questioned this term. The response was that the components used in similar 
situations should allow for a similar life span. I had this discussion today 
with a friend who has a unobstructed south facing roof with no shading, with a 
micro inverter system that is looking at expanding & wanted more micro 
inverters because he felt the information on what every inverter/module pair 
was doing was important. I asked him but what fails? The answer was: Not the 
Module but the inverter that was the weak link. So why use a micro invert in 
his application?

 

String inverters? Less so but I have seen failure rashes of at least 1 Manu 
that have surfaced I have had to address multiple similar sized units 
replacement, at least I was standing on the ground to repair.

 

New products for offgrid & grid tie continue to come online regularly. Today at 
least UL/ETL type testing awards some level of reliability & takes some of the 
concern out for us as installers.

 

At this point you are wondering where the heck is I am going with this rant?

 

*   How many companies have really followed thru with their promises?
*   How many companies products really last as promised?
*   How many companies have available, accurate, & prompt/timely customer 
tech service?
*   How many companies get the replacement components out the door promptly?

 

I really try to support manufacturers, wholesalers, & companies that meet these 
criteria. 

 

 

 

Dana Orzel -  E - d...@solarwork.com -  C - 208.721.7003 

 

From: RE-wrenches  On Behalf Of 
Jerry Shafer via RE-wrenches
Sent: Friday, June 3, 2022 9:41 AM
To: RE-wrenches 
Cc: Jerry Shafer 
Subject: Re: [RE-wrenches] Solar Edge - appears generator integration is not on 
any near-term path to completion

 

When it comes to what manufacturers will have in the future, guaranteeing or 
stating that a product will have a feature in the future is mostly doomed to 
failure, enphase, LG Chem, Ford and so many obsolete inverter manufacturers 
that have come and gone. You might as well be selling snake oil, you are 
backing yourself into a corner that has no good way out, just dont sell 
something that is not there yet. You can use this in your favor by telling your 
customer at the kitchen table that anyone that is selling you on a gen set 
integration better be able to back it up with facts and if they can't, Well, 
now the customer will have more belief in you as a result.

SE has some grand plans but until they are in place and actually working do 
yourself a favor and don't sell what is not available yet. You need to remember 
that you are a contractor or acting in behalf of a contractor and stating 
something that is not fact for being fact is a lie and that can get the 
contractor in hot water.

Jerry 

NABCEP PV Inspector

 

On Fri, Jun 3, 2022 at 6:24 AM Scot Arey via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org> > 
wrote:

Wrenches,

 

This more of a public service announcement. Many of us have installed Energy 
Hub inverters with Backup Interface Units (BIU). Based on SolarEdge marketing 
materiel, we have told customers that generator integration was on the way.

 

Well, 4th quarter 2021 came and went and still no path forward. I had asked one 
of the SolarEdge Directors of Sales if SolarEdge could release a formal new 
release or updated tech note that installers could pass to customers who want 
to know, “when can I integrate the generator like you told me we could?”

 

SolarEdge won’t make any such announcement and the best I could get form the 
Director was to perhaps “get it removed from all marketing material.”

“Generator – we don’t have an update.  This is significantly harder than it 
might seem.  The last thing we can do is have generators or inverters failing.  
It is not hard to get the generator to turn on/off.  It is everything else that 
a homeowner is going to expect the systems to do together.  The ask has been 
sent up the chain of command to get it removed from all marketing materials.”

[RE-wrenches] Looking for Offgrid designer/Installer Miranda CA area

[Dana Orzel via RE-wrenches]

Hey All,

 

I am Looking for an local experienced Offgrid designer/Installer Miranda CA
area. This is about 1.5 hours south or Eureka, CA. 

If you are local & interested or have a recommendation, please contact me
off list.

Thanks

 

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003   d...@solarwork.com

Idaho Contractor - # 028765 Idaho PV # 028374

NABCEP # 051112-136   www.greatsolarworks.com
 

"Responsible Technologies for Responsible People since 1988"  

 

P Please consider the environment before printing this email.

 

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] WATER COOLED - 1800 RPM - 13KW GENERATORS INQUIRY

[Dana Orzel via RE-wrenches]

Hey now all you off grid designer/installers,

 

I just had a conversation with generator manufacturer (name withheld for the
moment), about 8-13KW water cooled gensets with UL & LP gas powered. I
explained that there is a long time hole in the market since Onan & Kohler
dropped their gensets for prime power in this size range.

 

If they made the investment to produce & UL certify a 13KW - 1800 RPM -
water cooled - 2 wire start, prime power rated - 120/240vac genset, how many
off grid systems are being installed with oversized gensets?

 

If this was available how many units would each of you be interested in per
year? I am not asking for a commitment just a market survey for this sized
unit.

 

If there was 20-30 companies selling 4-5+ each per year this might be a
possibility.

 

Let me know either off list or on list (if this is OK ? Michael let us know)
& I hope there is a possibility here for more appropriately sized &
available gensets for our off grid client systems.

I will be passing along this research to the OE manufacturer. If you do not
want your name passed along let me know for now.

 

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003   d...@solarwork.com

Idaho Contractor - # 028765 Idaho PV # 028374

NABCEP # 051112-136   www.greatsolarworks.com
 

"Responsible Technologies for Responsible People since 1988"  

 

P Please consider the environment before printing this email.

 

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] WATER COOLED - 1800 RPM - 13KW GENERATORS INQUIRY

[Dana Orzel via RE-wrenches]

I heard back Friday from the generator manufacturers executive board meeting
Friday morning there is their response: 



Hi Dana,

 

I spoke with the executives this morning and we're very excited to hear what
the demand is for this genset is. If it makes sense, we're all in.



Please let me know if your interest in a 13KW - 1800 RPM genset - water
cooled is of interest for you & your off grid clients. I see this as a big
opportunity for replacing the oversized gensets that we have been forced to
use  for a long time now.

 

 

 

Dana Orzel -  E - d...@solarwork.com -  C - 208.721.7003 

 

From: RE-wrenches  On Behalf Of
Dana Orzel via RE-wrenches
Sent: Thursday, June 30, 2022 12:02 PM
To: 'RE-wrenches' 
Cc: Dana Orzel 
Subject: [RE-wrenches] WATER COOLED - 1800 RPM - 13KW GENERATORS INQUIRY

 

Hey now all you off grid designer/installers,

 

I just had a conversation with generator manufacturer (name withheld for the
moment), about 8-13KW water cooled gensets with UL & LP gas powered. I
explained that there is a long time hole in the market since Onan & Kohler
dropped their gensets for prime power in this size range.

 

If they made the investment to produce & UL certify a 13KW - 1800 RPM -
water cooled - 2 wire start, prime power rated - 120/240vac genset, how many
off grid systems are being installed with oversized gensets?

 

If this was available how many units would each of you be interested in per
year? I am not asking for a commitment just a market survey for this sized
unit.

 

If there was 20-30 companies selling 4-5+ each per year this might be a
possibility.

 

Let me know either off list or on list (if this is OK ? Michael let us know)
& I hope there is a possibility here for more appropriately sized &
available gensets for our off grid client systems.

I will be passing along this research to the OE manufacturer. If you do not
want your name passed along let me know for now.

 

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003<mailto:d...@solarwork.com>
d...@solarwork.com

Idaho Contractor - # 028765 Idaho PV # 028374

NABCEP # 051112-136<http://www.greatsolarworks.com/>
www.greatsolarworks.com

"Responsible Technologies for Responsible People since 1988"  

 

P Please consider the environment before printing this email.

 

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] Rolling Coal

[Dana Orzel via RE-wrenches]

Same here with the diesels & always have been. I have only had 3 diesels I have 
sold in 34 years of generator installations.

Better unit, longer life, less fuel usage, higher efficiency, potential start 
issues in cold weather, & a bad reputation with diesel engines in general, 
before the addition of DEF. Not that a diesel genny would have DEF as an 
option. Look at the Rolling Coal crowd!

 

 

Dana Orzel -  E - d...@solarwork.com -  C - 208.721.7003 

 

From: RE-wrenches  On Behalf Of 
Michael Morningstar via RE-wrenches
Sent: Saturday, July 2, 2022 11:58 AM
To: RE-wrenches 
Cc: Michael Morningstar 
Subject: Re: [RE-wrenches] WATER COOLED - 1800 RPM - 13KW GENERATORS INQUIRY

 

Very Cool. We install on the average about two dozen <15kw generators annually. 
Mostly diesel and a few Honda propane. The diesels are a hard sell for some 
reason. Would love to see the return of the quality smaller Kohler/Onans.

 

On Sat, Jul 2, 2022 at 9:11 AM Dana Orzel via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org> > 
wrote:

I heard back Friday from the generator manufacturers executive board meeting 
Friday morning there is their response: 



Hi Dana,

 

I spoke with the executives this morning and we’re very excited to hear what 
the demand is for this genset is. If it makes sense, we’re all in.



Please let me know if your interest in a 13KW – 1800 RPM genset – water cooled 
is of interest for you & your off grid clients. I see this as a big opportunity 
for replacing the oversized gensets that we have been forced to use  for a long 
time now.

 

 

 

Dana Orzel -  E - d...@solarwork.com <mailto:d...@solarwork.com>  -  C - 
208.721.7003 

 

From: RE-wrenches mailto:re-wrenches-boun...@lists.re-wrenches.org> > On Behalf Of Dana Orzel 
via RE-wrenches
Sent: Thursday, June 30, 2022 12:02 PM
To: 'RE-wrenches' mailto:re-wrenches@lists.re-wrenches.org> >
Cc: Dana Orzel mailto:d...@solarwork.com> >
Subject: [RE-wrenches] WATER COOLED - 1800 RPM - 13KW GENERATORS INQUIRY

 

Hey now all you off grid designer/installers,

 

I just had a conversation with generator manufacturer (name withheld for the 
moment), about 8-13KW water cooled gensets with UL & LP gas powered. I 
explained that there is a long time hole in the market since Onan & Kohler 
dropped their gensets for prime power in this size range.

 

If they made the investment to produce & UL certify a 13KW - 1800 RPM - water 
cooled – 2 wire start, prime power rated - 120/240vac genset, how many off grid 
systems are being installed with oversized gensets?

 

If this was available how many units would each of you be interested in per 
year? I am not asking for a commitment just a market survey for this sized unit.

 

If there was 20-30 companies selling 4-5+ each per year this might be a 
possibility.

 

Let me know either off list or on list (if this is OK ? Michael let us know) & 
I hope there is a possibility here for more appropriately sized & available 
gensets for our off grid client systems.

I will be passing along this research to the OE manufacturer. If you do not 
want your name passed along let me know for now.

 

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003<mailto:d...@solarwork.com> 
d...@solarwork.com

Idaho Contractor - # 028765 Idaho PV # 028374

NABCEP # 051112-136<http://www.greatsolarworks.com/> 
www.greatsolarworks.com

"Responsible Technologies for Responsible People since 1988"  

 

P Please consider the environment before printing this email.

 

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org 
<mailto:RE-wrenches@lists.re-wrenches.org> 

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org




 

-- 

Michael Morningstar

 

Morningstar Electric

PO Box 1494

Mount Shasta, CA 96067

530-921-0560

mjmornings...@gmail.com <mailto:mjmornings...@gmail.com> 

  
<https://ci3.googleusercontent.com/mail-sig/AIorK4xkNeAOHZC3SDnZTmnhgML4JHyGwi0PdmG_TrSHASBRfwJtZqGi7vknpXAngaaiawfnr5xCF1Y>
 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
ht

Re: [RE-wrenches] WATER COOLED - 1800 RPM - 13KW GENERATORS INQUIRY

[Dana Orzel via RE-wrenches]

The question was - When might these units be available?

 

The first request from the manu. was to get a survey of how many units might
get sold per year & responses are still trickling in slowly. 

Next Tump & I will be in a zoom meeting with the company powers that be & at
that point they need to source & design. 

I would bet it is out aways still depending on equipment
choices/availability, testing & UL certification etc.

 

I would not even dare to guess but when we ca report back with a date we
will do so.

 

 

Dana Orzel -  E - d...@solarwork.com -  C - 208.721.7003 

 

From: RE-wrenches  On Behalf Of
Kevin Pegg via RE-wrenches
Sent: Friday, July 8, 2022 12:59 PM
To: RE-wrenches 
Cc: Kevin Pegg 
Subject: Re: [RE-wrenches] WATER COOLED - 1800 RPM - 13KW GENERATORS INQUIRY

 

Thanks for this - there is certainly demand. I could see my company buying a
3-5 per year. 

 

Is there any estimate of timeline when these might be available? 

 

Kevin

 

From: RE-wrenches mailto:re-wrenches-boun...@lists.re-wrenches.org> > On Behalf Of Dana Orzel
via RE-wrenches
Sent: June-30-22 11:02 AM
To: 'RE-wrenches' mailto:re-wrenches@lists.re-wrenches.org> >
Cc: Dana Orzel mailto:d...@solarwork.com> >
Subject: [RE-wrenches] WATER COOLED - 1800 RPM - 13KW GENERATORS INQUIRY

 

Hey now all you off grid designer/installers,

 

I just had a conversation with generator manufacturer (name withheld for the
moment), about 8-13KW water cooled gensets with UL & LP gas powered. I
explained that there is a long time hole in the market since Onan & Kohler
dropped their gensets for prime power in this size range.

 

If they made the investment to produce & UL certify a 13KW - 1800 RPM -
water cooled - 2 wire start, prime power rated - 120/240vac genset, how many
off grid systems are being installed with oversized gensets?

 

If this was available how many units would each of you be interested in per
year? I am not asking for a commitment just a market survey for this sized
unit.

 

If there was 20-30 companies selling 4-5+ each per year this might be a
possibility.

 

Let me know either off list or on list (if this is OK ? Michael let us know)
& I hope there is a possibility here for more appropriately sized &
available gensets for our off grid client systems.

I will be passing along this research to the OE manufacturer. If you do not
want your name passed along let me know for now.

 

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003<mailto:d...@solarwork.com>
d...@solarwork.com

Idaho Contractor - # 028765 Idaho PV # 028374

NABCEP # 051112-136<http://www.greatsolarworks.com/>
www.greatsolarworks.com

"Responsible Technologies for Responsible People since 1988"  

 

P Please consider the environment before printing this email.

 

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] Looking to upgrade my presentation

[Dana Orzel via RE-wrenches]

Hey all you solar computer wizards out there!

 

My forte is not & never has been sales presentation & my current sales are
reflecting my beyond simple presentation.

My proposal presentation is a basic email. E-mail Simple, to the point, time
consuming, not glossy, & again very time consuming.

I have tried to use Open Solar but the last time Google shot our area was
2016 so most of what I am quoting is not on Google. My House that was
started in 2016 still shows as sage & aspen on Google Earth.

 

I am looking for a "fill in the particulars" type of form, plug in module
size & # of modules, cost per watt with local utility , $ saved based on
estimated production, with some degree of auto calculation for electrical
production, cost, reflecting fed &state tax credits, trees saves, Co2
offset, etc...

 

Any and all suggestion are welcome.  Interested in selling the format you
have generated for a reasonable fee?

 

Thanks in advance all.

 

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003   d...@solarwork.com

Idaho Contractor - # 028765 Idaho PV # 028374

NABCEP # 051112-136   www.greatsolarworks.com
 

"Responsible Technologies for Responsible People since 1988"  

 

P Please consider the environment before printing this email.

 

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] 10 & 15 KW LPG generators

[Dana Orzel via RE-wrenches]

Hey All!

 

I just got off the phone with the gen Manu. Tump & I have been in
conversation with & they are hopeful that a 10 & 15 KW gaseous LPG gen will
be available by the end of the year.

UL Listing will NOT be on this unit immediately & they are still in
consideration of the expense VS the # of unit that would require the UL
listing.

 

We did come up with a final count of 83 unit per year, thank you all for
your responses

 

Here is the wish list that Tump & I developed:

 

15 KW, UL listed, 1800 RPM, water cooled gen., 2 wire start.

 

*   Easy oil filter access & drain with hose.
*   Option - for open unit or rodent proof outdoor housing.
*   Hour meter.
*   Option - critical muffler.
*   Single point lift hook
*   Electronic ignition
*   LP gas
*   1800 rpm
*   Water-cooled
*   Option - Either oil pan & or carb heater with timer or
auto-controller.
*   UL or ETL listed
*   CA has its issues and yet other states do not have emissions
standards possibly a CA model & other?
*   2 wire start

 

 

As we hear more I will pass along info. 

 

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003   d...@solarwork.com

Idaho Contractor - # 028765 Idaho PV # 028374

NABCEP # 051112-136   www.greatsolarworks.com
 

"Responsible Technologies for Responsible People since 1988"  

 

P Please consider the environment before printing this email.

 

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] EG4

[Dana Orzel via RE-wrenches]

My first question is: are you willing to get blamed for his selection of the 
equipment ?

Beware being the first kid on the block with the shiny new toy. Just saying how 
many times have we all been guinea pigged?

The equipment looks like it is rack mounted audio gear. Not a bad thing 
possibly. 6500 watts at 120v?

 

Dana Orzel -  E - d...@solarwork.com -  C - 208.721.7003 

 

From: RE-wrenches  On Behalf Of Dave 
Tedeyan via RE-wrenches
Sent: Thursday, July 28, 2022 1:50 PM
To: RE-wrenches 
Cc: Dave Tedeyan 
Subject: [RE-wrenches] EG4

 

Hi all, 

 

Does anyone have any experience with EG4 products? I am doing an off-grid 
consultation for someone who plans on getting EG4 inverter and lithium 
batteries. The equipment seems so cheap, yet appears to be somewhat legit. They 
do at least have UL1741 listing. But their 6500w inverter/charger also takes PV 
power directly and goes for $1250. And their 48V 100AH battery is only $1500. I 
am curious if anyone has used this stuff and if it is actually legit.

 

Cheers,

Dave


 

-- 


  


Dave Tedeyan, P.E.
Owner | Sungineer Solar


p: he | him | his
a: 1653 Slaterville Rd. | Ithaca, NY 14850
w:   www.sungineersolar.com
c: (607) 288-2898



 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] 10 & 15KW LPG generators 1800 RPM & Water cooled

[Dana Orzel via RE-wrenches]

Hey All,

 

The process of  requesting 10KW & 15KW LP gas generators is yielding fruit.
Units could be available as soon as early November to the end of this year.
The more orders the sooner they will push for earlier availability. These
initial units ARE NOT UL Listed.  Wildcat is going to work on the 15KW to
get UL listed. TBD.

 

The prices I was quoted look fair & from back in the day. Kandi has been
great to work with & super helpful. The products they build look very high
quality & robust.

 

https://www.wildcatpowergen.com/

Kandi Roeser kandi.roe...@wildcatpowergen.com

 

  

 

Here is the wish list that Tump & I developed & contact them to see what is
currently avaable:

 

15 KW, UL listed, 1800 RPM, water cooled gen., 2 wire start.

 

*   Easy oil filter access & drain with hose.
*   Option - for open unit or rodent proof outdoor housing.
*   Hour meter.
*   Option - critical muffler.
*   Single point lift hook
*   Electronic ignition
*   LP gas
*   1800 rpm
*   Water-cooled
*   Option - Either oil pan & or carb heater with timer or
auto-controller.
*   UL or ETL listed
*   CA has its issues and yet other states do not have emissions
standards possibly a CA model & other?
*   2 wire start

 

 

 

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003   d...@solarwork.com
 

Idaho Contractor - # 028765 Idaho PV # 028374

NABCEP # 051112-136   www.greatsolarworks.com
 

"Responsible Technologies for Responsible People since 1988"  

 

P Please consider the environment before printing this email.

 

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] Todays Mindbender

[Dana Orzel via RE-wrenches]

Hey All,

 

I have gone around the barn several times with the electrician & the owner
on this & come up with several ideas but none have managed to hit the mark.

 

Ok for those of you in the low country there are people that can afford to,
& do melt snow in driveways/walkways with electric mats at least for the
first couple of years till they get tired of the power bills and stop
melting snow with the electricity and resort to paying for snow removal or
actually do it themselves. Un fortunately I cannot fast forward my client
there.

 

I have a client with 2 roofs that can hold 7KW of PV each. 14KW.

 

The Goal is to support the house with grid tied PV & backup battery power,
and address the large snowmelt & summer AC loads. This was not thought out
in the beginning of the design & construction process so at this point it is
an addon.

 

Currently there is 1 - 400 A service & they are looking at a second 400A
service. The second service would address snow melt in winter & AC in summer

We are looking at a SolarEdge 11.6KW inverter with 20 KW of battery backup.

There is a hot tub - electric, AC in the summer with 2 condensers, several
refrigerators, etc..

The snow melt pulls 200 amps so it exceeds the 160 amps available on a 200
amp service.

There is a 400 amp service on the house now. 200 amps x .8 = 160 amp for the
house.

They are looking at a second 400 amp service to handle the snow melt In the
winter & the AC in the summer.

 

I can down size 1 - 200Amp main to 150A and tie in the 11.6KW SE inverter GT
feed OR install 2 - 7.6KW inverters to each of 2 - 200 A mains @ 40 A each
on 1 meter,

OR feed each meter the production of each 7KW array thru a 7.6 KW SE
inverter.

 

Short of an 800 amp meter/service & if possible I & the client would like to
keep all 14 KW on the one meter & I say this  because when they get tired of
the cost of running the snow melt the full PV capacity could be directed at
the house, hot tub, AC.

 

If you have addressed this kind of out of control & have thoughts I would
love to hear your thoughts & suggestions.

 

 

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003   d...@solarwork.com

Idaho Contractor - # 028765 Idaho PV # 028374

NABCEP # 051112-136   www.greatsolarworks.com
 

"Responsible Technologies for Responsible People since 1988"  

 

P Please consider the environment before printing this email.

 

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] 26% to 30% ITC for 2022?

[Dana Orzel via RE-wrenches]

PV mag .02 on solar tax credit 

https://pv-magazine-usa.com/2022/07/28/solar-investment-tax-credit-to-be-extended-10-years-at-30/

Dana Orzel
C: 208.721.7003
E- d...@solarwork.com

> On Aug 12, 2022, at 4:54 AM, Jason Szumlanski via RE-wrenches 
>  wrote:
> 
> 
> I have a trusted source here in Florida that read the Senate Bill text and 
> said it would be retroactive to 2022. The way I am handling it is telling 
> people my prices will surely be more than 4% more in 2023. They would be 
> shooting themselves in the foot by delaying their project.
> 
> Jason
> 
> 
> 
>> On Fri, Aug 12, 2022, 6:48 AM Kirk Herander via RE-wrenches 
>>  wrote:
>> As we know, the FED tax credit will increase for 10 years (if it passes the 
>> House and signed into law) to 30%. But is it retro to calendar year 2022, or 
>> start in 2023? I have some customers making decisions based on this timing. 
>> Thanks.
>> 
>> I found one interpretation suggesting it will be effective in 2022 but need 
>> some tangible proof.
>> 
>> -- 
>> Kirk Herander / kirkh@vermont.solar
>> Owner|Principal, VT Solar, LLC
>> Celebrating our 31st Anniversary 1991-2022!!
>> www.vermont.solar
>> dba Vermont Solar Engineering
>> 802.863.1202
>> ___
>> 
> ___
> List sponsored by Redwood Alliance
> 
> Pay optional member dues here: http://re-wrenches.org
> 
> List Address: RE-wrenches@lists.re-wrenches.org
> 
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
> 
> There are two list archives for searching. When one doesn't work, try the 
> other:
> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
> 
> List rules & etiquette:
> http://www.re-wrenches.org/etiquette.htm
> 
> Check out or update participant bios:
> http://www.members.re-wrenches.org
> 
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] WATER COOLED - 1800 RPM - 13KW GENERATORS INQUIRY

[Dana Orzel via RE-wrenches]

Good morning all if you did not catch the last email on this project the 
manufacturer is Wildcat Generators and should be in the history 
I’m on vacation at the moment and operating from the phone with no Internet 
where we’re staying 
Wildcat was hoping by early November to EOY to have a 15 KW and possibly a 10 
KW though not UL listed.
The 15KW is slated to get UL listing down the road Time still to be determined


Dana Orzel
C: 208.721.7003
E- d...@solarwork.com

> On Sep 9, 2022, at 12:52 AM, Kevin Pegg  wrote:
> 
> 
> Hi Dana,
>  
> Touching base to see how this project is going? I could definitely sell 
> several units a year of this config. Very needed.
>  
> Thanks,
>  
> Kevin Pegg 
> EA Energy Alternatives Ltd. 
> 37471 Hwy 16 E 
> Telkwa, BC  V0J 2X2 
> 250-846-9888 
> Http://www.EnergyAlternatives.ca
>  
>  
> From: RE-wrenches  On Behalf Of 
> Dana Orzel via RE-wrenches
> Sent: July-02-22 9:11 AM
> To: 'RE-wrenches' 
> Cc: Dana Orzel 
> Subject: [RE-wrenches] WATER COOLED - 1800 RPM - 13KW GENERATORS INQUIRY
>  
> I heard back Friday from the generator manufacturers executive board meeting 
> Friday morning there is their response:
> 
> Hi Dana,
>  
> I spoke with the executives this morning and we’re very excited to hear what 
> the demand is for this genset is. If it makes sense, we’re all in.
> 
> Please let me know if your interest in a 13KW – 1800 RPM genset – water 
> cooled is of interest for you & your off grid clients. I see this as a big 
> opportunity for replacing the oversized gensets that we have been forced to 
> use  for a long time now.
>  
>  
>  
> Dana Orzel -  E - d...@solarwork.com -  C - 208.721.7003
>  
> From: RE-wrenches  On Behalf Of 
> Dana Orzel via RE-wrenches
> Sent: Thursday, June 30, 2022 12:02 PM
> To: 'RE-wrenches' 
> Cc: Dana Orzel 
> Subject: [RE-wrenches] WATER COOLED - 1800 RPM - 13KW GENERATORS INQUIRY
>  
> Hey now all you off grid designer/installers,
>  
> I just had a conversation with generator manufacturer (name withheld for the 
> moment), about 8-13KW water cooled gensets with UL & LP gas powered. I 
> explained that there is a long time hole in the market since Onan & Kohler 
> dropped their gensets for prime power in this size range.
>  
> If they made the investment to produce & UL certify a 13KW - 1800 RPM - water 
> cooled – 2 wire start, prime power rated - 120/240vac genset, how many off 
> grid systems are being installed with oversized gensets?
>  
> If this was available how many units would each of you be interested in per 
> year? I am not asking for a commitment just a market survey for this sized 
> unit.
>  
> If there was 20-30 companies selling 4-5+ each per year this might be a 
> possibility.
>  
> Let me know either off list or on list (if this is OK ? Michael let us know) 
> & I hope there is a possibility here for more appropriately sized & available 
> gensets for our off grid client systems.
> I will be passing along this research to the OE manufacturer. If you do not 
> want your name passed along let me know for now.
>  
>  
>  
> Dana Orzel  Great Solar Works, Inc.
> C - 208.721.7003   d...@solarwork.com
> Idaho Contractor - # 028765 Idaho PV # 028374
> NABCEP # 051112-136   www.greatsolarworks.com
> "Responsible Technologies for Responsible People since 1988" 
>  
> P Please consider the environment before printing this email.
>  
>  
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Large current battery combiners, UL Listing

[Dana Orzel via RE-wrenches]

You might possibly check with Northwest energy storage all of their hup solar 
one batteries come with solid copper bars lead plated I don’t know what the 
ampacities are but Rob might be able to assist you there

Dana Orzel
C: 208.721.7003
E- d...@solarwork.com

> On Sep 10, 2022, at 7:17 PM, Kirk Herander via RE-wrenches 
>  wrote:
> 
> 
> SolarBOS can possibly make one custom for you, it will be listed, and it will 
> not be cheap. I was going to order a 2000A w/ multiple OCPDs on both inputs 
> and outputs from them, but then Midnite came out with a 2000A combiner, and I 
> don't need it listed for my application.
> 
>> On Sat, Sep 10, 2022 at 6:15 PM William Miller via RE-wrenches 
>>  wrote:
>> Mac:
>> 
>>  
>> 
>> Getting listing on something as specialized as you are talking about may be 
>> difficult.  I would turn to the telecom industry for solutions.  Here is one 
>> link I found.  Their product line is pretty sexy and it is listed.
>> 
>>  
>> 
>> If you are rolling your own, you can find ampacities for standard copper bar 
>> thicknesses someplace like here.  You might fabricate something that looks 
>> like one of these but bigger.  Threading is desirable so you can avoid 
>> wrangling nuts on the back sides, but tapping copper at a reasonable bolt 
>> size (likely 3/8-16) can be tricky.  I am looking for any excuse to buy one 
>> of these drill presses which can automatically chip-clear.  Basically at 
>> this point in my life my only reason for working is to support my tool 
>> addiction.
>> 
>>  
>> 
>> Good luck.
>> 
>>  
>> 
>> William Miller
>> 
>>  
>> 
>> Miller Solar
>> 
>> 17395 Oak Road, Atascadero, CA 93422
>> 
>> 805-438-5600
>> 
>> www.millersolar.com
>> 
>> CA Lic. 773985
>> 
>>  
>> 
>>  
>> 
>> From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On 
>> Behalf Of Mac Lewis via RE-wrenches
>> Sent: Thursday, September 8, 2022 8:46 PM
>> To: RE-wrenches
>> Cc: Mac Lewis
>> Subject: [RE-wrenches] Large current battery combiners, UL Listing
>> 
>>  
>> 
>> Hello Wrenches,
>> 
>>  
>> 
>> Is anyone aware of a high current, (~3000A DC rated, 48Vdc nominal) battery 
>> combiner panel that would allow for ~36-48 x 4/0 cables to connect?
>> 
>>  
>> 
>> Seems like nothing will be close to UL listed on this.  How do you go about 
>> building a 60 kW off-grid system on the battery side of things?  Do I need 
>> to increase battery voltage design?
>> 
>>  
>> 
>> I have gotten a custom busbar fabricated by Storm Power rated for about 2kA 
>> before, but I'd love to have a UL Listed solution for large battery 
>> combining.  Any suggestions are appreciated.
>> 
>>  
>> 
>> Thanks!
>> 
>>  
>> 
>> --
>> 
>>  
>> 
>>  
>> 
>>  
>> 
>> Mac Lewis
>> 
>> "Yo solo sé que no sé nada." -Sócrates
>> 
>> ___
>> List sponsored by Redwood Alliance
>> 
>> Pay optional member dues here: http://re-wrenches.org
>> 
>> List Address: RE-wrenches@lists.re-wrenches.org
>> 
>> Change listserver email address & settings:
>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>> 
>> There are two list archives for searching. When one doesn't work, try the 
>> other:
>> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>> 
>> List rules & etiquette:
>> http://www.re-wrenches.org/etiquette.htm
>> 
>> Check out or update participant bios:
>> http://www.members.re-wrenches.org
>> 
> 
> 
> -- 
> Kirk Herander / kirkh@vermont.solar
> Owner|Principal, VT Solar, LLC
> Celebrating our 31st Anniversary 1991-2022!!
> www.vermont.solar
> dba Vermont Solar Engineering
> 802.863.1202
> ___
> List sponsored by Redwood Alliance
> 
> Pay optional member dues here: http://re-wrenches.org
> 
> List Address: RE-wrenches@lists.re-wrenches.org
> 
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
> 
> There are two list archives for searching. When one doesn't work, try the 
> other:
> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
> 
> List rules & etiquette:
> http://www.re-wrenches.org/etiquette.htm
> 
> Check out or update participant bios:
> http://www.members.re-wrenches.org
> 
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update partici

Re: [RE-wrenches] heating pads for batteries

[Dana Orzel via RE-wrenches]

Reptile heater pads?

Dana Orzel
C: 208.721.7003
E- d...@solarwork.com

> On Sep 30, 2022, at 1:35 PM, Chris Daum via RE-wrenches 
>  wrote:
> 
> 
> Hello all you brilliant people:
>  
> Does anyone have something new for lightly heating a battery bank in a cold 
> climate?  Something reliable and reasonably efficient?  We’ve been selling 
> LFP batteries for a while, but few to our northern customers who cannot keep 
> them from freezing.  I can give advise about insulated battery boxes (and 
> have one myself), but surely there must be something new out there. 
>  
> Here we see low temps of -20F below – sometimes -40…..
>  
> I recently spoke with a fellow who offers heaters for gutters to prevent ice 
> creep that can ruin your shingles or roof, but there must be something more 
> adaptable than that.  Any suggestions?
>  
> Chris Daum
> Oasis Montana Inc.
> 406-777-4309 or 4321
> 406-777-4309 fax
> www.oasismontana.com
>  
>  
> ___
> List sponsored by Redwood Alliance
> 
> Pay optional member dues here: http://re-wrenches.org
> 
> List Address: RE-wrenches@lists.re-wrenches.org
> 
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
> 
> There are two list archives for searching. When one doesn't work, try the 
> other:
> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
> 
> List rules & etiquette:
> http://www.re-wrenches.org/etiquette.htm
> 
> Check out or update participant bios:
> http://www.members.re-wrenches.org
> 
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Shipping costs

[Dana Orzel via RE-wrenches]

We have started using pirateship.com which travels on UPS but is basically half 
the price. You print out the UPS label & drop it off.

I think you can arrange pickup too.

 

 

Dana Orzel -  E - d...@solarwork.com -  C - 208.721.7003 

 

From: RE-wrenches  On Behalf Of 
William Miller via RE-wrenches
Sent: Monday, October 10, 2022 1:06 PM
To: RE-wrenches 
Cc: William Miller 
Subject: [RE-wrenches] Shipping costs

 

Friends:

 

I am sure all of you are aware of the skyrocketing costs for shipping.  I get 
it that fuel prices are up and I want truckers to all earn a fair wage.  
However I can help but feel there might be some gouging.  For instance, a $900 
order for rail was quoted at $4,200 for shipping from Oregon to the central 
coast of California.  

 

Fortunately the vendor allowed me to arrange my own shipping.  I used a website 
called Shiply and got a quote for just over $600 for the same order.  The 
company I engaged, Globaltranz has been great in communicating concisely and 
promptly with me and the vendor.

 

I think the beauty of using a broker is you can connect with shippers that 
might be travelling the desired route already and can fit your order into an 
LTL rig already on the road.

 

The order is not here yet but it is on the way and it appears the transit is on 
time.

 

I hope this helps some of you in procuring the parts you need in a timely and 
cost efficient manner.

 

William

 

Miller Solar

17395 Oak Road, Atascadero, CA 93422

805-438-5600

www.millersolar.com  

CA Lic. 773985

 

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Shipping costs

[Dana Orzel via RE-wrenches]

Most of our hot shot deliveries have been running $2,400, Bay area - Central 
Idaho thru a broker for our thermal collectors.

 

 

Dana Orzel -  E - d...@solarwork.com -  C - 208.721.7003 

 

From: RE-wrenches  On Behalf Of 
Maverick Brown via RE-wrenches
Sent: Monday, October 10, 2022 3:14 PM
To: will...@millersolar.com; RE-wrenches 
Cc: Maverick Brown 
Subject: Re: [RE-wrenches] Shipping costs

 

William,

 

$4200 sounds like “Expedited” Shipping and that usually means a Hot Shot driver 
with single pickup truck and trailer driving door to door for just your items.  
LTL should never be $4200 unless we are in dire conditions.

 

I hope your items arrive in excellent condition!!

 

Maverick

 

 

Maverick Brown
Off-Grid Solar Commander since 2006
Maverick Solar Enterprises, Inc.

 • Solar Commander Remote Power

 • SunFlow Systems Cathodic Protection 
maver...@mavericksolar.com  
512-460-9825





On Oct 10, 2022, at 2:06 PM, William Miller via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org> > 
wrote:

 

Friends:

 

I am sure all of you are aware of the skyrocketing costs for shipping.  I get 
it that fuel prices are up and I want truckers to all earn a fair wage.  
However I can help but feel there might be some gouging.  For instance, a $900 
order for rail was quoted at $4,200 for shipping from Oregon to the central 
coast of California.  

 

Fortunately the vendor allowed me to arrange my own shipping.  I used a website 
called Shiply and got a quote for just over $600 for the same order.  The 
company I engaged, Globaltranz has been great in communicating concisely and 
promptly with me and the vendor.

 

I think the beauty of using a broker is you can connect with shippers that 
might be travelling the desired route already and can fit your order into an 
LTL rig already on the road.

 

The order is not here yet but it is on the way and it appears the transit is on 
time.

 

I hope this helps some of you in procuring the parts you need in a timely and 
cost efficient manner.

 

William

 

Miller Solar

17395 Oak Road, Atascadero, CA 93422

805-438-5600

  www.millersolar.com

CA Lic. 773985

 

 

___
List sponsored by Redwood Alliance

Pay optional member dues here:   http://re-wrenches.org

List Address:   
RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
  
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
  
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
  
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
  
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
  http://www.members.re-wrenches.org

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Low voltage lithiums

[Dana Orzel via RE-wrenches]

Another issue is what charge controller are you using? I know for me with 
Outback products I’ve had to switch from an FM 80 to the OB - FM 100 in order 
to have a more accurate high-voltage cut out voltage.
The FM 100 has a much more accurate micro processor in it then the FM 60 or 80 
per Brad Bassett with AEE.

Dana Orzel
C: 208.721.7003
E- d...@solarwork.com

> On Nov 19, 2022, at 7:15 AM, Jeff Clearwater via RE-wrenches 
>  wrote:
> 
> Hi Kris
> 
> What voltage do you have your charge settings at?  
> 
> I recommend that bulk or absorb voltage for lithium iron phosphate not be set 
> above 56 V  - there is no reason for it even though many manufactures suggest 
> higher settings.  In cases where total storage is sized generously enough 
> I  often use 55.6 or even 55.4 in order to target 95% as full instead of 100% 
> in order to extend cycle life.   and for float there’s no reason to ever go 
> over 54 V and better maybe even to be in the mid-53s. 
> 
> See if that helps assuming you had it higher. 
> 
> The other thought is you have one bms that is perhaps not protecting 
> overcharge  and allowing a temporary spike when the others do limit. 
> 
> Hope that helps!  
> 
> Best Jeff C. 
> Village Power Design
> 
> 
> 
> Sent from my iPhone
> 
>>> On Nov 19, 2022, at 6:32 AM, Kristopher Schmid via RE-wrenches 
>>>  wrote:
>>> 
>> 
>> Greetings all,
>> 
>> I have seen an issue on two different systems that I am hoping someone can 
>> shed some light on for me.  One was a 48 volt pack of 12 volt Battle Bornes 
>> and the other was a 24 volt pack of SOKs.  What happens is when reaching the 
>> end of the bulk charging stage, the battery voltage spikes and sends the 
>> inverter into an overvoltage error.  Can anyone explain what is happening 
>> and a solution?
>> 
>> Thanks,
>> Kris
>> 
>> Shine On!
>> 
>> Kris Schmid
>> Legacy Solar, LLC
>> 137 West 1st Avenue
>> Luck, WI 54853
>> www.legacysolar.com
>> 715-653-4295
>> NABCEP Certified PV Installation Professional
>> Licensed Wisconsin Master Electrician
>> BSEE
>> ___
>> List sponsored by Redwood Alliance
>> 
>> Pay optional member dues here: http://re-wrenches.org
>> 
>> List Address: RE-wrenches@lists.re-wrenches.org
>> 
>> Change listserver email address & settings:
>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>> 
>> There are two list archives for searching. When one doesn't work, try the 
>> other:
>> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>> 
>> List rules & etiquette:
>> http://www.re-wrenches.org/etiquette.htm
>> 
>> Check out or update participant bios:
>> http://www.members.re-wrenches.org
>> 
> ___
> List sponsored by Redwood Alliance
> 
> Pay optional member dues here: http://re-wrenches.org
> 
> List Address: RE-wrenches@lists.re-wrenches.org
> 
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
> 
> There are two list archives for searching. When one doesn't work, try the 
> other:
> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
> 
> List rules & etiquette:
> http://www.re-wrenches.org/etiquette.htm
> 
> Check out or update participant bios:
> http://www.members.re-wrenches.org
> 
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] Sola-ark cold morning

[Dana Orzel via RE-wrenches]

Hey Now All Wise ones!

 

An of gird client emailed yesterday that his Solark had been accepting only
350 watts of a 4KW input from the array. The modules are Q-cell 325 watt 2
strings of 7 modules.

 

Sunrise, full sun, no clouds so no edge of cloud effect, negative temps @ -
6˚F, he waited all day with no improvement or change in the charge rate
consistent 350watts input & then same thing next morning. Negative temps &
full sun & 350watts solar input.

 

He turned the Solark off for 10 minutes & then turned it back on & 4KW
charge input returned. The Solark did not turn off or deliver any alarm or
warning.

 

My initial thought was over-voltage spike, we designed for a -25˚F
scenario & 110 PSF snow load. Beefy! 

 

I did not ask if it was windy additionally. Could this contribute to a
colder array temp? I have always been of the impression that wind chill did
not affect metal or glass that it has to do with moisture being driven off.

 

Thoughts & suggestions?

 

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003   d...@solarwork.com

Idaho Contractor - # 028765 Idaho PV # 028374

www.greatsolarworks.com 
www.solarwor.com   

"Responsible Technologies for Responsible People since 1988"  

 

P Please consider the environment before printing this email.

 

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Sola-ark cold morning

[Dana Orzel via RE-wrenches]

Dual - Discoverer LI battery bank not sure on battery mode setting (written 
down but cannot locate at the moment) & no backup generator. Very conservative 
& minimalist client.  I over designed past his energy load evaluation request 
on purpose as he did not want to have to use a generator. 

He has built the entire house off of 2 - small 12 volt PV systems & battery 
charging cordless tools. Living on site in the garage…

I am very impressed with his commitment to low impact & not a wackadoodle or 
survivalist either. Excellent classical, bluegrass, & jazz cellist.

 

 

Dana Orzel -  E - d...@solarwork.com -  C - 208.721.7003 

 

From: RE-wrenches  On Behalf Of Mac 
Lewis via RE-wrenches
Sent: Sunday, December 4, 2022 7:41 AM
To: RE-wrenches 
Cc: Mac Lewis 
Subject: Re: [RE-wrenches] Sola-ark cold morning

 

Hi Dana,

 

What type of batteries?  What battery mode?

 

If you have Lithium batteries with communication enabled, there are certain 
modes that the BMS is running the charging show.  I've seen the Sol-Ark 
throttle back charge as instructed by the BMS under these circumstances.  

A quick check of this would be to start the generator and see if it's on the 
battery management side or PV only side. 

 

It seems like you are way below the MPPT upper limit if Im looking at the 
correct QCell spec sheet.

 

As far as the temperature theory.  You can have temps on surfaces below 
ambient.  This can happen in two ways that I am aware of: radiation and 
evaporation.  The radiation effect occurs because the cold night sky (very 
cold) is exchanging heat with a surface.  This is why you can get ice on lakes 
above 32F.  It's very complex to model this but I doubt you could come close to 
lowering the temperature far enough to drive the Voc out of the MPP range.

 

Also, there will be competing heat exchange trying to drive that temperature 
back to ambient.  For example if you had a lot of wind in a clear cold night, 
the convection heat exchange from the wind would actually warm up the surface.

 

Evaporation (or any phase change) can drop an object's temperature below 
ambient as well.  It will pull latent thermal energy from objects in order to 
change the phase of the molecules.  This actually has a stabilizing effect on 
temperature typically because it takes a lot of energy to change phase.  This 
is why people use large water barrels in greenhouses to release latent energy 
to prevent freezing.

 

Please let us know what you find out.

 

Thanks!

 

On Sun, Dec 4, 2022 at 6:22 AM Dana Orzel via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org> > 
wrote:

Hey Now All Wise ones!

 

An of gird client emailed yesterday that his Solark had been accepting only 350 
watts of a 4KW input from the array. The modules are Q-cell 325 watt 2 strings 
of 7 modules.

 

Sunrise, full sun, no clouds so no edge of cloud effect, negative temps @ -6˚F, 
he waited all day with no improvement or change in the charge rate consistent 
350watts input & then same thing next morning. Negative temps & full sun & 
350watts solar input.

 

He turned the Solark off for 10 minutes & then turned it back on & 4KW charge 
input returned. The Solark did not turn off or deliver any alarm or warning.

 

My initial thought was over-voltage spike, we designed for a -25˚F scenario & 
110 PSF snow load. Beefy! 

 

I did not ask if it was windy additionally. Could this contribute to a colder 
array temp? I have always been of the impression that wind chill did not affect 
metal or glass that it has to do with moisture being driven off.

 

Thoughts & suggestions?

 

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003   d...@solarwork.com 
<mailto:d...@solarwork.com> 

Idaho Contractor - # 028765 Idaho PV # 028374

www.greatsolarworks.com <http://www.greatsolarworks.com/> 
www.solarwor.com <http://www.solarwor.com>  

"Responsible Technologies for Responsible People since 1988"  

 

P Please consider the environment before printing this email.

 

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org 
<mailto:RE-wrenches@lists.re-wrenches.org> 

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org




 

-- 

 

 

 

Mac Lewis

"Yo solo sé que no sé nada." -Sóc

Re: [RE-wrenches] Sola-ark cold morning

[Dana Orzel via RE-wrenches]

I will additionally call Solark Tech & see what they have to contribute. 

Thanks all for the real world first!

 

 

Dana Orzel -  E - d...@solarwork.com -  C - 208.721.7003 

 

From: RE-wrenches  On Behalf Of 
Jerry Shafer via RE-wrenches
Sent: Sunday, December 4, 2022 11:11 AM
To: RE-wrenches 
Cc: Jerry Shafer 
Subject: Re: [RE-wrenches] Sola-ark cold morning

 

This is interesting, set all aside temps, how its constructed, the power cycle 
is what changed it. Sounds like the inverter(s) were stuck in a finish charge, 
this may be a programming issue, is it available on line to watch remotely, has 
it done that again, next day?

Fun times programming 

 

On Sun, Dec 4, 2022, 5:22 AM Dana Orzel via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org> > 
wrote:

Hey Now All Wise ones!

 

An of gird client emailed yesterday that his Solark had been accepting only 350 
watts of a 4KW input from the array. The modules are Q-cell 325 watt 2 strings 
of 7 modules.

 

Sunrise, full sun, no clouds so no edge of cloud effect, negative temps @ -6˚F, 
he waited all day with no improvement or change in the charge rate consistent 
350watts input & then same thing next morning. Negative temps & full sun & 
350watts solar input.

 

He turned the Solark off for 10 minutes & then turned it back on & 4KW charge 
input returned. The Solark did not turn off or deliver any alarm or warning.

 

My initial thought was over-voltage spike, we designed for a -25˚F scenario & 
110 PSF snow load. Beefy! 

 

I did not ask if it was windy additionally. Could this contribute to a colder 
array temp? I have always been of the impression that wind chill did not affect 
metal or glass that it has to do with moisture being driven off.

 

Thoughts & suggestions?

 

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003   d...@solarwork.com 
<mailto:d...@solarwork.com> 

Idaho Contractor - # 028765 Idaho PV # 028374

www.greatsolarworks.com <http://www.greatsolarworks.com/> 
www.solarwor.com <http://www.solarwor.com>  

"Responsible Technologies for Responsible People since 1988"  

 

P Please consider the environment before printing this email.

 

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org 
<mailto:RE-wrenches@lists.re-wrenches.org> 

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] BACKUP system revival

[Dana Orzel via RE-wrenches]

Hey All a Cheery Season to you all!

 

I inherited a backup system that had "failed". It was unwired, & poorly
labeled.

 

1200 AHR AGM Battery - 1 Radian 8KW inverter - 200 amp Generac transfer
switch - No solar - Feeding a 200 amp house panel.

 

First I explained the there were too many loads for an 8KW inverter. It
could & may overload the 8KW inverter. They said "it had worked fine for 5
years & they were OK with it as is please get it back up".

Replaced the existing Eaton transfer switch as the Generac controller was
shot, with a Generac 200 amp Xfer switch complete with controller & transfer
switch.

Rewired & had to recharge the 48 volt battery from 20volt back up to full
with a pair of IOTA chargers in series.

 

The original trigger was 3 wires from the Radian to the 12 volt & AUX output
to the input on the Generac controller. These were disconnected on the
Generac end. So no clue or labeling there.

 

I called Outback & they called it Redneck engineering & send me a few
articles to read.

 

Has anyone configured a backup in this manner?

 

All suggestions appreciated, thanks & wishing you all a safe & sane season!

 

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003   d...@solarwork.com

Idaho Contractor - # 028765 Idaho PV # 028374

www.greatsolarworks.com 
www.solarwor.com   

"Responsible Technologies for Responsible People since 1988"  

 

P Please consider the environment before printing this email.

 

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] US Dept of energy tax guidelines

[Dana Orzel via RE-wrenches]

 

https://www.energy.gov/sites/default/files/2022-11/Federal-Solar-Tax-Credits
-for-Businesses-11-22.pdf

 

Hey All - 

 

I just found this hope it's helpful to someone!

It turned around my level of information on commercial tax credits for solar
write-off & is a great doc to send to prospective clients & their CPA's. I
find that a lot of CPA's still are in the dark as to what to do with solar
tax incentives.

 

If nothing else it will possibly cure insomnia.

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003d...@solarwork.com

Idaho Contractor - # 028765 Idaho PV # 028374

www.greatsolarworks.com 
www.solarwork.com   

"Responsible Technologies for Responsible People since 1988"  

 

P Please consider the environment before printing this email.

 

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] HomeGrid Battery Experience

[Dana Orzel via RE-wrenches]

I installed a 400AHR set of Home Grid on an existing grid OB Radian system 
replacing AGM batteries.  I had to replace the FM 80 CC for an Fm 100 as the FM 
80s were to sloppy on their finish voltage [the microprocessors are too slow]. 
I received 2 damaged [warped] Top sections with the BMS before I could complete 
the installation. The shipping boxes were stout & fine so I can only assume 
that the defect was factory based. HG sated that they open & check every 
battery box as it come in from China… Hopefully now they will check the BMS 
units too.

 

Since completion though the system has been working smoothly as in no issues. 
Grounding straps on the left side secured the battery set together on the left, 
but the right side relies on gravity to keep the individual  batteries nested 
which is interesting as the right side is where the battery interconnects are 
located. I would like to see a set of straps typ. Of the left side on the right 
side to tie the pack tight, literally someone could lift the right side up 
under load & cause a lead separation & major sparky event. No conduit box on 
the back just a couple of compression TA’s to secure the battery cable out to 
the inverter.

 

Communication with Home Grid was very good & they sent me a com box to allow 
them to look in on the battery bank though with no internet on site that was a 
miss. Oh yeah the assumptions at the factory level.

 

**Last item - they charge to a lower voltage setting than almost all other LI 
batteries so check as to whether your CC can stop that low. I think it was 
52.4vdc?

 

That said I am sure that I will install more sets of Home Grid batteries. Neat 
clean look finished.

 

 

Dana Orzel -  E - d...@solarwork.com -  C - 208.721.7003 

 

From: RE-wrenches  On Behalf Of 
Kienan Maxfield via RE-wrenches
Sent: Saturday, April 15, 2023 8:49 AM
To: RE-wrenches 
Cc: Kienan Maxfield 
Subject: Re: [RE-wrenches] HomeGrid Battery Experience

 

Howie,

 

I don't have experience with HomeGrid, but I have a well respected friend 
(Jason Lerner) who loves them. 

 

I have had awesome experiences with Fortress, and I have been looking for a 
chance to try HomeGrid as well. I think the stack idea is really cool!!

 

I know that this is extremely nit-picky... The only thing I've seen so far that 
I don't like about HomeGrid is that they use 15 cells in series instead of the 
standard 16 cells. This just means that the voltages will be lower than what 
I'm used to, and amperage will be a little higher. It's not a big deal, 
everything will still work great, but I like the higher voltage of a 16 cell 
bank. I just have all the numbers memorized for a 16 cell battery bank, and 
while you should always double check the manufacturer's instructions, it's nice 
to know off the top of your head if the numbers are appoximately correct.

 

When Fortress released their new inverterter that's essentially the same as the 
Solark (comes from the same factory), Solark got mad and they pushed out a new 
non-voluntary firmware update that broke the Modbus communication with 
Fortress. People didn't even know that the Firmware had changed. All they knew 
is that suddenly, their system wasn't working and it was shutting down 
randomly. It worked one day, didn't work the next. Fortress made a new firmware 
to communicate with Solark via canbus instead, so everything is working great 
again now. I don't know if Solark is finished with their vendeta against 
Fortress, but if Solark figures out a way to cause trouble again, then anyone 
with a Fortress-Solark combo could experience a coms disruption again... I 
really don't believe this was an accident on Solark's part. So, I guess what 
I'm trying to say is that Solark isn't mad at HomeGrid right now, so that might 
be a better bet. I personally don't use Solark. I'm leary of a company who 
pushes out Firmware updates that break things.

 

One question, does HomeGrid officially support combining new batteries with old 
batteries? Fortress does not, they say in their documentation that you 
shouldn't mix different ages of batteries together. I could be wrong, but my 
understanding is that it should actually be fine, but the SOC will be different 
on the different ages of batteries... particularly when the batteries are 
between 30% and 80%. They'll be more tight with eachother near the top and the 
bottom of their ranges, but they'll drift in the middle. So I think it's fine 
to mix them like that, but I'm wondering if HomeGrid specifically says it's 
okay or if they specifically say not to do it?

 

Thanks,

Kienan

 

Green-Go Solar Distribution LLC

Maxfield Solar LLC (installation and consulting company)

maxfieldso...@hotmail.com  

(801) 631-5584(Cell)

distribution.solar

  _  

From: RE-wrenches mailto:re-wrenches-boun...@lists.re-wrenches.org> > on behalf of Howie 
Michaelson via RE-wrenches mailto:re-wrenches@lists.re-wrenches.org> >
Sent: 

Re: [RE-wrenches] Truss finder

[Dana Orzel via RE-wrenches]

OK, so we need to look outside the box on this rafter finder!what other industries have need of tools that look at wood or metal on the other side of various materials?Watched a movie the other night and this guy was finding rebar in concrete 2 to 3 inches thick or was that just Hollywood?Dana OrzelC: 208.721.7003E- d...@solarwork.comOn Apr 17, 2023, at 10:40 AM, Dave Angelini Offgrid Solar via RE-wrenches  wrote:
Another reason why I never put solar panels on a dwelling roof.  However, it seems crazy to be drilling holes to find the rafter still in 2023. $.02
 
Dave Angelini Offgrid Solar
"we go where powerlines don't"
http://members.sti.net/offgridsolar/
e-mail  offgridso...@sti.net
text 209 813 0060


On 2023-04-17 7:04 am, Daniel Young via RE-wrenches wrote:





Can echo this, I did a fresh look into this last year and still have not found anything better than a hammer and feeler tool.
 
We are considering going to a deck direct attachment like rooftech as well, which makes rafter locations less critical. We intend to still have crews find the rafter and place the attachments on the rafter as best they can without drilling holes. As the attachments still prefer to be located on a rafter to maximize snow load bearing capacity. Nice thing about the Rooftech is that if you miss the rafter location with the center holes, it's entirely likely you will hit it with the side screws. In either case you are still sitting above the rafter and can expect to bear significant weight there instead of relying on the OSB/Plywood decking.
 
--
 
Danny Young
NABCEP PV Installation Professional #031508-90
Engineering Team LeadSolar Energy Solutions
Lexington | Louisville | Bloomington | Cincinnati | Evansville | Indianapolis
513-448-5176 (mobile)
877-312-7456 (Main Office)
da...@sesre.com
 

From: RE-wrenches  On Behalf Of Kristopher Schmid via RE-wrenchesSent: Sunday, April 16, 2023 2:47 PMTo: RE-wrenches Cc: Kristopher Schmid Subject: Re: [RE-wrenches] Truss finder

 

Thanks William!  Laughed out loud at the first picture!

Shine On!Kris SchmidLegacy Solar, LLC137 West 1st AvenueLuck, WI 54853www.legacysolar.com715-653-4295NABCEP Certified PV Installation ProfessionalLicensed Wisconsin Master ElectricianBSEE


 


On Sun, Apr 16, 2023, 10:12 AM Kristopher Schmid  wrote:



I am considering buying a deep scanner for locating trusses.  Any recommendations or testimonials?

Shine On!Kris SchmidLegacy Solar, LLC137 West 1st AvenueLuck, WI 54853www.legacysolar.com715-653-4295NABCEP Certified PV Installation ProfessionalLicensed Wisconsin Master ElectricianBSEE








___List sponsored by Redwood AlliancePay optional member dues here: http://re-wrenches.orgList Address: RE-wrenches@lists.re-wrenches.orgChange listserver email address & settings:http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.orgThere are two list archives for searching. When one doesn't work, try the other:https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.orgList rules & etiquette:http://www.re-wrenches.org/etiquette.htmCheck out or update participant bios:http://www.members.re-wrenches.org


___List sponsored by Redwood AlliancePay optional member dues here: http://re-wrenches.orgList Address: RE-wrenches@lists.re-wrenches.orgChange listserver email address & settings:http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.orgThere are two list archives for searching. When one doesn't work, try the other:https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.orgList rules & etiquette:http://www.re-wrenches.org/etiquette.htmCheck out or update participant bios:http://www.members.re-wrenches.org___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Solar direct water pumping

[Dana Orzel via RE-wrenches]

Check out Sunrotor they know their stuff it’s been a while but they have dialed me in the pasthttps://www.sunrotor.com/Dana OrzelC: 208.721.7003E- d...@solarwork.comOn May 8, 2023, at 7:15 AM, Ray Walters via RE-wrenches  wrote:
  

  
  
Just with all other solar equipment, you definitely don't want to
  go CCC.  I'd recommend you take a look at the Grundfos SQ flex
  line.  2nd, you need to look at the pump charts to see what the
  actual flow rate will be at the head you're considering.  The pump
  you are looking at doesn't even give basic flow rates at pressure.
  (2nd clue it sucks) Max head is basically where the pump quits
  pumping, and the 8 GPM rating is at no pressure at all.  I'd
  "guess" it would pump maybe 4 to 6 GPM at 40 ft of head?  Also,
  add extra head for the friction losses in the pipe.  That can be
  looked up (just like wire losses) for the size pipe and flow rate.
  

Finally, you didn't mention how large a pond.  To fill the pond,
  it needs to overcome both evaporative losses, and leakage into the
  surrounding soil.  

Ray Walters
  Remote Solar

On 5/8/2023 10:04 AM, Howie Michaelson
  via RE-wrenches wrote:


  
  
Hi,


I have a friend/client that is looking
  to keep his pond filled with water pumped from a spring
  downhill from the pond. He's happy to have the pond filled
  just when there is enough sun to pump, so no batteries are
  desired. I have little to no experience with water solar
  direct pumping, so I'm a little leary of spec'ing anything.
  The pump will sit 5 feet deep, the distance from spring to
  pond is about 120' and the head is about 30-40' .  He found a
  pump on Amazon:


https://www.amazon.com/Submersible-Stainless-Built-Circulating-Brushless/dp/B083NHH18K/


Again I know virtually nothing about
  this topic so I'm not clear whether this pump is appropriate
  or not.  Any advice is appreciated.



  
Howie

  

  
  
  
  ___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org



  

___List sponsored by Redwood AlliancePay optional member dues here: http://re-wrenches.orgList Address: RE-wrenches@lists.re-wrenches.orgChange listserver email address & settings:http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.orgThere are two list archives for searching. When one doesn't work, try the other:https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.orgList rules & etiquette:http://www.re-wrenches.org/etiquette.htmCheck out or update participant bios:http://www.members.re-wrenches.org___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Retail price lists

[Dana Orzel via RE-wrenches]

Every time in the past that I have “priced out” a project, the client has 
shopped it out  including purchasing some equipment & then expecting me to 
still do the install. It is not worth the headache. Relax and let these people 
go. I did one 2 years ago (can you say Amnesia?) and it turned into they bought 
equipment from 4 venders, had plans done by an electrician that was not 
experienced enough to do plans, had someone else pull the permit. 

I got to talk with our inspector & his description of the end installation was 
“what a S$%$T” show”.

Sell an installed package.

 

Folks we are professionals who are in business to earn a living & a retirement, 
we deserve respect, so many people think that solar is this “hobby type of 
thing” & not a real business because they managed to install a PV module on 
their van with a battery & an internet inverter & they did not blow anything up 
(of course all with no fusing).

As stated below we have an investment bigtime in shop, support, insurances, 
vehicles, tools, etc. …

 

Treat yourself with respect and work for people who appreciate & respect you. 
You deserve it!

 

All of you have a really great weekend not working! You have earned it.

 

 

 

Dana Orzel -  E - d...@solarwork.com -  C - 208.721.7003

 

From: RE-wrenches  On Behalf Of Tump 
via RE-wrenches
Sent: Friday, May 19, 2023 4:58 AM
To: offgridso...@sti.net; RE-wrenches 
Cc: Tump 
Subject: Re: [RE-wrenches] Retail price lists

 

We are in Biz to make . I do not concern myself w/ what others or internet 
pricing, can you say AltE?

You are a professional we have insurance, equipment , inventory & CE 
requirements. The client is covering those unseen costs too, as well as the 
equipment you are selling. We/you have to include the cost of babysitting, as 
you will always have those phone calls/ DOB equipment etc.

I explain to my off grid clients that my pricing includes the inevitable phone 
time for a year. 

Remember some of the best jobs are the ones you DONT get! 

On May 18, 2023, at 11:48 AM, Dave Angelini Offgrid Solar via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org> > 
wrote:

 

NAZ is an extremely well run company !  Love those guys!

On 2023-05-18 8:42 am, Michael Morningstar via RE-wrenches wrote:

My question is: how/why is it that NAZ and the likes sell equipment for less 
than what I pay wholesale? 

 

On Thu, May 18, 2023 at 4:15 AM Jason Szumlanski via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org> > 
wrote:

Here is how I explain it to customers. Straight out of college, I was a 
financial analyst for an aerospace company working on government contracts. We 
did "cost-plus" contracts, which is what the client is essentially looking for. 
The government ended up paying too much for things this way. A fixed-price 
competitive contract is all the transparency a client needs.

 

Another way I put it is that we charge what the market allows, and if that is 
not enough for us to provide an excellent customer experience, we simply pass 
on the job. 

 

No line item prices. The only things we might line item are permit costs and 
engineering fees for non-standard projects.


Jason Szumlanski 

Principal Solar Designer | Florida Solar Design Group
NABCEP Certified Solar Professional (PVIP)
Florida State Certified Solar Contractor CVC56956

 

On Wed, May 17, 2023 at 6:56 PM Jerry Shafer via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org> > 
wrote:

Wrenches 

Bottom line package price, all inclusive one number, I list all the major 
components inverter, modules ect. and all of what is included permits 
engineering thats it system cost, tax incentive, rebate (if any) no a la carte 
here sorry.

But thats just me! 

 

On Tue, May 16, 2023 at 8:11 AM Jay via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org> > 
wrote:

Hi All 

I have a question about how wrenches are dealing with charging for equipment as 
most prices of most equipment on line at or below wholesale. 

If people are marking it up, how much? what metric are people using?  I think 
victron might be the only company I've actually seen a retail price list for in 
years. 
Maybe it's just marking up labor costs a lot?

I'm not doing all that much work these days but enough that I'm trying to 
figure this out. 

Thanks
Jay


___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org  

List Address: RE-wrenches@lists.re-wrenches.org 
 

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update part

Re: [RE-wrenches] Tech Support Issues with Sensata

[Dana Orzel via RE-wrenches]

MMPs – Many Missing Parts?

 

 

Dana Orzel -  E - d...@solarwork.com -  C - 208.721.7003

 

From: RE-wrenches  On Behalf Of Rich 
Nicol via RE-wrenches
Sent: Wednesday, May 31, 2023 1:28 PM
To: 'RE-wrenches' 
Cc: r...@solartechvt.com
Subject: Re: [RE-wrenches] Tech Support Issues with Sensata

 

Magnum has been difficult that last 3 years – we currently multiple inverters 
that are down needing boards for repair that can’t be obtained. It appears 
stock of new inverters is just starting to trickle back into suppliers so we 
hope to see parts soon.

It seemed Magnum quality took also took a hit when purchased by Sensata and I 
think operations were moved to a new location? – we found MMP’s shipped with 
missing parts etc. The best tech support engineer they had went to Outback, but 
then was lost tragically to complications from Covid.

 

 

From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf 
Of Ray Walters via RE-wrenches
Sent: Wednesday, May 31, 2023 1:51 PM
To: re-wrenches@lists.re-wrenches.org 
 
Cc: Ray Walters
Subject: Re: [RE-wrenches] Tech Support Issues with Sensata

 

What were the issues?  I've not seen a Magnum have power quality troubles, but 
they are not the "grid" either.  My experience is that they are similar or a 
bit better than Outback, but certainly have measurable THD in the 4 to 5% 
range.  Its almost always finicky loads, and the inverter has always been 
within its tolerances, so I doubt you have an actual warranty issue.  However, 
I have seen inverter output get strange after lightning damage, which is not 
covered under warranty either. 

You need a decent meter that can measure THD, and can capture the peak voltage 
of the waveform.  A good oscilloscope is even better, so you can see the 
waveform.  

Stuff like clocks not keeping time, or certain digital controls on certain 
appliances not functioning, is not a warranty claim.  Lights dimming, or LEDs 
flickering is not a warranty claim.  These are normal living off grid, and the 
only thing better than a Magnum for power quality is Exeltech in my experience. 
 

Ray Walters
Remote Solar

On 5/31/2023 11:37 AM, Chris Sparadeo via RE-wrenches wrote:

Hi all, 

 

I have a client with a Magnum MS 4024- PAE inverter. There are some serious 
issues with power output quality and according to the client, another installer 
had started the RMA process while the inverter was still under warranty, 
however Sensata has not been responsive and has lost track of the case. They 
are asking for a new case to be initiated, but the inverter is now out of 
warranty. Has anyone out there had similar lack luster support issues with 
Sensata? 

 

Best,

 

Chris 

-- 

Chris Sparadeo

 

 

C_802-369-4458

H_802-728-3059

 

___
List sponsored by Redwood Alliance
 
Pay optional member dues here: http://re-wrenches.org
 
List Address: RE-wrenches@lists.re-wrenches.org 
 
 
Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
 
There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
 
List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm
 
Check out or update participant bios:
http://www.members.re-wrenches.org
 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] evacuated solar tubes

[Dana Orzel via RE-wrenches]

Yes, it’s called zinc oxide just like sunblock but it’s pure zinc oxideDana OrzelC: 208.721.7003E- d...@solarwork.comOn Jul 5, 2023, at 7:34 AM, Chris Schaefer via RE-wrenches  wrote:G'day All,I managed to get myself pulled into an evacuated solar hot water system installed by others. The client is trying to get it reinstated. My question to the community is do you put any kind of high temperature lube on the probe end of the evacuated tube that inserts into the water manifold and if so what do you suggest? I've attached a picture of the tube probe. I believe these are Sunda tubes.Thanks much,Christopher- Chris Schaefer’sTel 585-229-2083 or Cell 585-748-1870 5115
S Hill Road ~ Canandaigua New York 14424www.solarandwindfx.com ~ E-mail: ch...@solarandwindfx.com

Thomas Jefferson,
the author of our great Constitution, once said, "democracy" will
cease to exist when you take away from those who are willing to work and give
to those who would not."
___List sponsored by Redwood AlliancePay optional member dues here: http://re-wrenches.orgList Address: RE-wrenches@lists.re-wrenches.orgChange listserver email address & settings:http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.orgThere are two list archives for searching. When one doesn't work, try the other:https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.orgList rules & etiquette:http://www.re-wrenches.org/etiquette.htmCheck out or update participant bios:http://www.members.re-wrenches.org___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] Pro Power saving device

[Dana Orzel via RE-wrenches]

Hey all you mighty Wise Folks!

I have an off grid client that sent me a adv. for this device.

propowersaver.com

Does anyone know what this does?

Does It work?

How does it work?

--
Dana Orzel Great Solar Works, Inc. C - 208.721.7003 d...@solarwork.com 
Idaho Contractor - # 028765 Idaho PV # 028374 "Responsible Technologies 
for Responsible People since 1988"___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] Looking for Outback installer dealer troubleshooter Ft. Collins CO area

[Dana Orzel via RE-wrenches]

Hey All,

Looking for Outback installer dealer troubleshooter Ft. Collins CO area.

I did a burly work trailer install for a friend from Ft. Collins Co a 
few years back (I am in Idaho 14 hours away) & he is having issues with 
an Outback inverter shutdown. Is there anyone in the Front range/ Ft 
Collins area that could do some trouble shooting?


Please contact me off list - Thank you.

--
Dana Orzel Great Solar Works, Inc. C - 208.721.7003 d...@solarwork.com 
Idaho Contractor - # 028765 Idaho PV # 028374 "Responsible Technologies 
for Responsible People since 1988"___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] Outback GLC Bypass slider plate

[Dana Orzel via RE-wrenches]

Oh wise guys,

I am looking for (1) Outback GSLC bypass slider plate to allow 2 
generators to separately feed an OB GSLC. I will be using a 30 amp 2 
pole breaker VS the 60 amp that come in the IO kit from outback.


Please contact me off list

--
Dana Orzel Great Solar Works, Inc. C - 208.721.7003 d...@solarwork.com 
Idaho Contractor - # 028765 Idaho PV # 028374 "Responsible Technologies 
for Responsible People since 1988"___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Hawaiian Tie in

[Dana Orzel via RE-wrenches]

Correct  & The 225 amp bus bar gives us the busbar ampacity to accept 
the 120 amp back feed (includes the 25% factor)


22800w /240v = 95 amp


On 8/8/2023 12:19 PM, Darryl Thayer via RE-wrenches wrote:

I need clarification; however, here is my interpretation for you.
The utility feeds the meter and then the 100A breaker.
Then you want this 100A breaker to feed the 220A bus panel.
This 220A panel then supplies through a 100A breaker the house load.
The solar also feeds the 220A panel. If the solar exceeds 100A, and 
the house load is small, the meter breaker will disconnect, losing 
power to the solar and the load.


On Tue, Aug 8, 2023 at 10:11 AM Dana Orzel via RE-wrenches 
 wrote:


Oh Wise folks!

Attached is a wire schematic please review. & feel free to
possibly use for yourself in the future.

I am in a bind with an interconnection where I have an apartment 6
pack meter  box with all 120-240v/100 amp breakers & assumed 100
amp busbars. The apts. were a mid 1970's original build.  There
are 4 apartment with 1 circuit/meter each & 1 house circuit/ meter
for owners use.The breaker boxes are Sylvania (yuck). Originally I
assumed a larger busbar due to 6 - 100 amp breakers & this was not
the case. We all know about assuming...

I consulted with W-2 who had assisted my lead installer in in the
past from UT. He sent the following & though it makes sense to me,
the utility is asking how I can have a 225 amp panel behind a 100
amp breaker. My response was that all we are doing is  achieving a
properly sized bus bar to accommodate the back feed.

My Utility Idaho Power requires  interconnection with a meter that
has a load on it. Solar only meters are not allowed. This is for
the owners loads only & he has 1 meter per apt complex at 100amps
each.

I am wondering if any of you have used this connection adaption to
achieve a larger array connection & how it went?

-- 
Dana Orzel Great Solar Works, Inc. C - 208.721.7003

d...@solarwork.com Idaho Contractor - # 028765 Idaho PV # 028374
"Responsible Technologies for Responsible People since 1988"
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work,
try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org


___
List sponsored by Redwood Alliance

Pay optional member dues here:http://re-wrenches.org

List Address:RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org


--
Dana Orzel Great Solar Works, Inc. C - 208.721.7003 d...@solarwork.com 
Idaho Contractor - # 028765 Idaho PV # 028374 "Responsible Technologies 
for Responsible People since 1988"___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] 1/2HP ECM booster pump

[Dana Orzel via RE-wrenches]

Hey all you wise ones!

 

I am looking for a recommendation on a 1/2HP ECM domestic water booster pump
source if one exists. Currently the existing 3/4HP pump it is a 120 VAC but
could be 230VAC. They don't need 3/4HP in this small cabin & not irrigating
the vegetation.

Thanks in advance

 

 

 

Dana Orzel  Great Solar Works, Inc. 

C - 208.721.7003d...@solarwork.com

Idaho Contractor - # 028765 Idaho PV # 028374

www.greatsolarworks.com 
www.solarwork.com   

"Responsible Technologies for Responsible People since 1988"  

P Please consider the environment before printing this email.

 

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Propane range options for off-grid?

[Dana Orzel via RE-wrenches]

Our 6 burner Viking only draws 15 watts off-grid, just saying :) one form of
happiness is  a great stove!

 

___

Dana Orzel  c- 2087217003   e - d...@solarwork.com

 

--- Begin Message ---
There’s definitely a couple thousand price premium added over Premier and 
Unique but Bertazzoni ranges only use 250 watts when the oven itself is on 
otherwise does not add to the idle consumption of the house. Over 10 years 
without issue here at my residence. The newer models are even better yet I 
believe.  ZLine is slightly more affordable, in the copycat territory and offer 
similar benefits but have not had time to look into the details lately.

Good luck, Nick




On Sep 26, 2023, at 2:36 PM, David Palumbo via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org> > 
wrote:

I have old off-grid friends looking for advice on replacing an old LP Gas 
range. Here is their email they sent me. Wrench advice will be appreciated!

*   Dave Palumbo

 
<< We are ready to replace our cook stove, it is a Premier & we love it but 
have had problems finding parts for it & people to work on it.
 
The only major appliance co who makes a cordless/non-convection oven range is 
Hotpoint, which is pretty basic but could work. 
https://products.geappliances.com/appliance/hotpoint-specs/RGBS200DMWW#tab2_
 
The other one we are looking at is a Unique Appliances brand propane stove - 
for off-grid use - their “classic retro” model doesn’t have great reviews but 
the basic model sounds good.




  
Off-Grid Classic 30” Propane Range (Battery Ignition)
  
uniqueappliances.com
 
I’m wondering if you are familiar with the Unique Appliances brand & if you’d 
recommend them? 
 
We also considered the Premier “Pro Series” ranges but they are spendy & I’m 
afraid we’ll run into the same trouble finding parts & someone who will work on 
them, which could also be an issue for Unique. 
 
Any thoughts or suggestions on the topic?  >>
 
 
 
 
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org  

List Address: RE-wrenches@lists.re-wrenches.org 
 

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org  


___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] Cleaning PV mods

[Dana Orzel via RE-wrenches]

Hey ally 'all,

 

Ok bad solar installer! 7 years & I have never cleaned my modules & live on
a dirt road. Yeah rain does a good job with the dust but there is a film
mostly on the edges.

 

What does everyone do for cleaning?

 

My array is 16'+ tall on a hill side. I have a pressure washer & was going
to pick up a large sponge type mop & mount it on a painters extension pole. 

 

Good Biodegradable cleaning solutions?

 

 

_

Dana OrzelGREAT SOLAR WORKS!  

C - 208.721.7003  E -   d...@solarwork.com

W - www. greatsolarworks.com  
www.solarwork.com

"Responsible Technologies for Responsible People since 1988!"

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Cleaning PV mods

[Dana Orzel via RE-wrenches]

As demonstrated in your wonderful video, and thank you for that, that’s great. The rain does take the pollen off what I’m confronted with is a combination of road dust and magnesium chloride, which they use to control the dust and it’s kind of set up like a little bit of greasy film, but only on the perimeters particular, in particular, the lower bottom couple inches of the module, I think I’m just gonna get out there and do it a little test on the bottom to see if I can get that film off my array is rated at 6400 W most normal 60° days I’m only seeing 5800 W coming down but 0°F day we do see 8400 W and we are off gridDana OrzelC: 208.721.7003E- d...@solarwork.comOn Oct 23, 2023, at 8:41 AM, david quattro via RE-wrenches  wrote:The encapsulant between the glass and the aluminum might be degraded by a surfactant. It’s probably a low risk if you use a gentle soap, but I heard that somewhere about 15 years ago so I thought I’d mention it.     I also heard that pressure washers are too strong and can ruin the encapsulant seal. On Mon, Oct 23, 2023 at 6:44 AM White, Will via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote:







I worked with a guy who had done installs in Arizona. He had an off-grid customer spray down their array with cold well water in the middle of the day, which shattered the module glass.

 
I’m sure it was an isolated incident, but it happened.
 
Thanks,
Will
 


From: RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org>
On Behalf Of Jason Szumlanski via RE-wrenches
Sent: Friday, October 20, 2023 4:47 PM
To: RE-wrenches <re-wrenches@lists.re-wrenches.org>
Cc: Jason Szumlanski <ja...@floridasolardesigngroup.com>
Subject: [EXTERNAL] Re: [RE-wrenches] Cleaning PV mods


 
CAUTION: This email originated from outside of the organization. Do not
 click links or open attachments unless you recognize the sender and know the content is safe.
 



I don't understand the thermal shock nonsense. It routinely starts downpouring here when it's blazing hot out (sun showers) and the rain is way cooler than ground water in summer. It makes no sense. If hose water from the ground is going
 to hurt solar panels, you better not put them where it rains!  

 


I replied privately to Dana, but for the benefit of the group, it takes a heavy soiling to make any appreciable difference. I have done numerous tests at times of high pollen and found little to no benefit to cleaning solar panels. Certainly
 it would not be worth paying someone to do it. Other climates may have different results. My suggestion would be to test first. Module level power electronics can provide incontrovertible proof.


 


Jason


 

 


On Fri, Oct 20, 2023, 4:21 PM Dave Tedeyan via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote:



Hi Dana,  

 


See attached from REC. I would imagine these guidelines would apply to all modules.


Cheers,


Dave


 


On Fri, Oct 20, 2023 at 3:56 PM Dana Orzel via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote:





Hey ally ‘all,
 
Ok bad solar installer! 7 years & I have never cleaned my modules & live on a dirt road. Yeah rain does a
 good job with the dust but there is a film mostly on the edges.
 
What does everyone do for cleaning?
 
My array is 16’+ tall on a hill side. I have a pressure washer & was going to pick up a large sponge type
 mop & mount it on a painters extension pole. 
 
Good Biodegradable cleaning solutions?
 
 
_
Dana Orzel    GREAT SOLAR WORKS! 

C – 208.721.7003  E –
d...@solarwork.com
W - www.

greatsolarworks.com 
www.solarwork.com
“Responsible Technologies for Responsible People since 1988!”
 


___
List sponsored by Redwood Alliance

Pay optional member dues here: 
http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org






 

-- 















Dave Tedeyan, P.E.
Owner | Sungineer Solar




p: he | him | his
a: 1653 Slaterville Rd. | Ithaca, NY 14850
w: www.sungineersolar.com
c: (607) 270-0370















___
List sponsored by Redwood Alliance

Pay optional member dues here: 
http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching.

[RE-wrenches] On Gens : 2007 Kohler: Wrenches, can you help with parts or smarts?

[Dana Orzel via RE-wrenches]

REF Hours on Generators:

 

Air cooled 3,600 RPM = 80 Mph

5000 hours x 80mph = 400,000 miles

 

Water cooled at 1,800RPM = 40 MPH

5000 hours x 40mph = 200,000 miles

 

Both are a lot of hours but 400K is till a whole lot of wear & tear.

 

I got to thinking about all the other impacts & considerations:

 

*   Low elevation VS high elevation
*   Light loading vs heavy prolonged loading
*   Air flow & operating temps?
*   Warm up & Cool down cycle VS on & off.
*   Synthetic oil VS dinosaur oil? Synthetic = 4x the life & still
better than dino oil when it was new.
*   Are they exceeding the oil intervals because they are always adding
& adding oil due to consumption?
*   Rodent impact on wiring

 

Generators do not have tires but still carry the same maintenance
responsibilities as a vehicle, & typically do not get cared for like a
vehicle that you climb into & trust your life with. My 0.02 experience is
that as long as they are operating all is good & get cared for mostly when a
crisis occurs. What I like to call "recycled ignorance."

 

___

Dana Orzel  c- 2087217003   e - d...@solarwork.com

 

--- Begin Message ---
Hello Mick,

Here is what I'd do:

Check compression on each cylinder, look for psi of about 90(ish).  Also verify 
they are about the same (within a couple of percent).  If its way out of this 
range, stop here.

If they think they've gotten at least 5000 run hours, I'd stop here.  These air 
cooled machines can last longer if well taken care of, but that is the design 
life.  I have a few Kohler air-cooled with >5000 run hours so it can happen.

I'm a fan of checking the integrity of the alternator/rotor with an excitation 
test but you may be limited in what is possible with a cooked controller.  You 
can ask me direct for more details on this.  Probably the controller is cooked 
and that's it, but I have had lightning to more things to generators.

I would try the parts for techs but here in Colorado you can also call Power 
systems West in Aurora.  They will need make, model, serial number and they can 
price out the part for you.  This will at least get you a best case price for 
replacing the controller.  You can't rely on interchangeability of these 
controllers.  There are often changes that need harness modifications.  

Good luck

On Mon, Oct 23, 2023 at 4:48 PM Dana Orzel via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org> > 
wrote:


https://www.partsfortechs.com/

 

These guys sold me an automatic volt regulator for my 20KW Onan for ¼ of the 
price that Onan wanted SUPER helpful, not sure if they can help you but 
reasonable, knowledgeable, & friendly, & They saved my bucket.

 

___

Dana Orzel  c- 2087217003   e – d...@solarwork.com <mailto:d...@solarwork.com> 

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org 
<mailto:RE-wrenches@lists.re-wrenches.org> 

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org





-- 





Mac Lewis



"Yo solo sé que no sé nada." -Sócrates

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Outback Radian Generator Charging

[Dana Orzel via RE-wrenches]

2200' EL should not influence the generator, seems the first 4500-5000' are
covered like sealevel. How old is gen?

Have you been into the settings menu as well as the Wizard?

I have found settings in one and not the other that definitely effect the
overall parameters.

 

A call to OB might shortcut your Q.

 

___

Dana Orzel  c- 2087217003   e - d...@solarwork.com

 

--- Begin Message ---
Hello wrenches,

We just installed an GS8048a Radian build with Mate 3SL controller (no Optics). 
 We are having some with charging from the generator, as the generator charging 
seems to be limited to about 4500Watts +/- (20amps AC) when charging through 
the Radian.  It is a Kohler 8.5RES generator and we have the AC input limit set 
to 30amps and the Gen input set to 30amps.  The house load is only about 
200Watts when we are charging.  The system is at 2200ft of elevation, but I 
don’t know if that makes enough of a difference.
The Gen output voltage seems pretty good and holds around 234V-236V while 
charging.

Any thoughts as to why it may be limiting would be appreciated.

Thanks,
Amos



   Amos Post
   Integrity Energy
  W 802.763.7023
   C 802.291.2188
  ienergyVT.com
Facebook  

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] Home grid stacked battery heating

[Dana Orzel via RE-wrenches]

I know we have had this run thru before & wanted to see if any new options
for heating LI batteries.

 

I have an 8 pack of Homegrid LI batteries that is off grid with Radian
8048a. Originally, they were not going to be there for the winter, now it is
a possibility they may visit. Plenty of solar 6KW+, hopefully generator back
up waiting on delivery currently.

Currently located in main room high ceilings/log cabin.

Looking at creating an insulated closet & using terrarium heaters controlled
if over 51volt heater on AC from inverter. Or just boxing in with 3-4" of
blue board Styrofoam..

 

Has anyone else done something similar?

Has anyone done this & it did not work?

 

Thought & suggestions...

 

 

_

Dana OrzelGREAT SOLAR WORKS!  

C - 208.721.7003  E -   d...@solarwork.com

W - www. greatsolarworks.com  
www.solarwork.com

"Responsible Technologies for Responsible People since 1988!"

 

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Outback Radian Generator Charging

[Dana Orzel via RE-wrenches]

This may be far fetched but I have encountered good voltage & low amperage =
no amperage from solar arrays that baffled me on T/S on others systems &
ultimately: 

We had voltage & low output amperage to no amperage.

Turns out there was a junction box that had been forgotten about in the
crawl space with never tightened split bolts that were crispy black from
arcing.

There was enough contact for voltage readings & not enough for any amps to
flow.

Double check all connections?

 

___

Dana Orzel  c- 2087217003   e - d...@solarwork.com

 

--- Begin Message ---
Charger Limit is also set to 30 amps. We tried raising the total AC input limit 
to max and that may have helped increase the chargeby 200-300watts up to 4.8kw 
but thats it. By my math we should be able to see about 6KW+/- of charging 
power. 

We are using Generator input mode I  believe.  We will try switching to Support 
mode and see if that helps.  

By the way batteries are 8- Simpliphi 3.8.




Sent from my Galaxy


 Original message 
From: Jay via RE-wrenches  
Date: 10/25/23 4:43 PM (GMT-05:00) 
To: RE-wrenches  
Cc: Jay  
Subject: Re: [RE-wrenches] Outback Radian Generator Charging 

What is the charger ac limit set to?

Jay


On Oct 25, 2023, at 2:38 PM, Mac Lewis via RE-wrenches 
 wrote:




Hi Amos,

What input mode are you using?

Try switching to "support" mode and see if the charging current increases. 



On Wed, Oct 25, 2023, 1:24 PM Amos Post via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org> > 
wrote:


Hello wrenches,

We just installed an GS8048a Radian build with Mate 3SL controller (no Optics). 
 We are having some with charging from the generator, as the generator charging 
seems to be limited to about 4500Watts +/- (20amps AC) when charging through 
the Radian.  It is a Kohler 8.5RES generator and we have the AC input limit set 
to 30amps and the Gen input set to 30amps.  The house load is only about 
200Watts when we are charging.  The system is at 2200ft of elevation, but I 
don’t know if that makes enough of a difference.
The Gen output voltage seems pretty good and holds around 234V-236V while 
charging.

Any thoughts as to why it may be limiting would be appreciated.

Thanks,
Amos



   Amos Post
   Integrity Energy
  W 802.763.7023
   C 802.291.2188
  ienergyVT.com
Facebook  

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org 
 

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org




___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org



___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail

Re: [RE-wrenches] Small Diesel generator recommendation off-grid

[Dana Orzel via RE-wrenches]

Wildcat power

 

___

Dana Orzel  c- 2087217003   e - d...@solarwork.com

 

--- Begin Message ---
Hello Wrenches,

Can anyone recommend a reliable diesel generator that starts well in the 
10-20kW range?


Thanks!
-- 





Mac Lewis



"Yo solo sé que no sé nada." -Sócrates

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] 48 V DC temp sensing relay

[Dana Orzel via RE-wrenches]

White-Rodgers-1609-101-Refrigeration-Temperature-Control-
I have used this many times in various applications some close on temp rise 
other model closes on temp drop.
Quite reliable!

___
Dana Orzel  c- 2087217003   e - d...@solarwork.com

--- Begin Message ---
Hi Drake

Try this one. I get a lot of equipment from supply house.

Since you need on with temp rise it’s an AC type.
This one will do 8 amps at 120v so a small amp dc fan won’t hurt the relay.

Jay

https://www.supplyhouse.com/White-Rodgers-1609-101-Refrigeration-Temperature-Control-30-Degrees-F-To-90-Degrees-F-Range-5-Capillary?utm_source=google_ad&utm_medium=shopping_neutral&utm_campaign=Shopping_Neutral_New_users&gad_source=1


On Dec 13, 2023, at 9:08 AM, Drake Chamberlin via RE-wrenches 
 wrote:


Hello,

Does anyone know of a 48 VDC temperature sensing relay? I need to use one to 
control a fan in a 48 V battery bank, to bring in cold air when the bank gets 
too hot from the wood heating system in the house.

The relay needs to operate with the 48 VDC power supply and disconnect a small 
current with 48 VDC contacts.

Thank you,

Drake


Drake Chamberlin

Athens Electric LLC

Ohio Electrical Contractor’s License 44810

NABCEP Certified PV Installation Professional


--

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] An Aspen Builder asked me an opinion

[Dana Orzel via RE-wrenches]

An old friend who works for an Aspen Builder asked me my opinion:


  *   $40M home.
  *   11,000sqft.
  *   22KW PV system covers the available roofing.
  *   Large generator for backup.
  *   Dedicated critical load panel.

Question was: Would you install a Brightvault or Sonan system?
& Why one VS the other? It is one or the other...
I have not installed either.

Size limitations on battery?
Compatibility with genset?
Inverter size limitations?
Integration with home automation systems issues?
Reliability?
Warranty issues from either?

Other issues?

Thanks in advance for your 0.02

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] USDA Rural Development fund

[Dana Orzel via RE-wrenches]

Hey all! A happy, Safe & Prosperous New Year to You All!

I have a brewery that is wanting to do a grid tie system - 2 meters; 1 is split 
phase & 1 is 3 phase & the initial request was about USDA Rural Development 
funding.
I have no experience with this.
Any suggestions?
Has anyone applied for this?
Experience?
I have heard it is a pile of paperwork to say the least.

Thanks

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Insurance for solar design and inspections

[Dana Orzel via RE-wrenches]

With General coverage I have been told if there is a issue with an installation 
& we did not install issues would be covered but if we install it they do not 
insure our work..
If we sub it out it was/is covered.

___
Dana Orzel  c- 2087217003   e - d...@solarwork.com

--- Begin Message ---
According to my agent, general liability does not cover design problems, 
whether we wrench it or not.  That is what an Errors and Omissions policy would 
cover, and what a previous agent mentioned to me in passing after selling me 
general liability for 10 years! They could offer me an E&O policy for several 
thousands of dollars, so I shopped it around and found coverage for a fraction 
of that cost, from a reputable company.  I have not considered an inspection 
insurance policy, mostly because my agent inferred that that type of work would 
be covered under an E & O policy as well, but I've never asked that question 
directly. So, something to add to my list for Monday...
Howie
Sun Catcher

On Sun, Mar 10, 2024, 6:23 PM Dave Tedeyan via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Hi All,

I have an insurance question and am very curious about how others deal with 
this, or don't. People will sometimes ask us to either do some design work for 
a system that we will not be installing, or to inspect a system and give my 
professional opinion about it. These are two separate work situations.

Recently, our insurance agent brought it to our attention that we should have 
insurance specifically for these kinds of work, and it is not something that is 
covered under our general liability (contractors) insurance.

Their recommendation for design work is to get "professional liability" (errors 
and omissions) insurance. Even though I may do one or two designs a year, we 
are looking at a roughly $12,000 policy. This would be meant to cover us if I 
make a mistake in the design that leads to some sort of failure or fire.

Their recommendation for the inspection type work is to get essentially a home 
inspector insurance policy for about $2400 per year. Again, this is something 
that we do a handful of times per year. This insurance is meant to cover us if 
I inspect a system and miss something that then ends up being a problem or a 
hazard.

With a brief conversation with a lawyer acquaintance, he thought that I may be 
fine with out these insurances. It sounded like I should have something in my 
service contracts that would essentially say something like "we will do this 
work to the best of our ability", and then if something does go wrong and the 
homeowner takes us to court, it is upon them to prove that we missed something 
that a reasonable person would have caught. My business manager does not like 
this because we could still have lots of lawyer fees and have to show up in 
court if we were to get sued, even if the problem was not caused by a lack of 
diligence on our part.

So my question to all of you is, do you have these insurances? Or do you just 
not do designs and inspections unless you are actually turning some wrenches on 
the site so that your general liability insurance covers your work? Or, is this 
a case of our insurance agent putting ungrounded fears in our head?

Thanks for your thoughts.
Cheers,
Dave

--
[Logo]
Dave Tedeyan, P.E.
Owner | Sungineer Solar
p: he | him | his
a: 1653 Slaterville Rd. | Ithaca, NY 14850
w: www.sungineersolar.com
c: (607) 270-0370
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored 

[RE-wrenches] Ballasted ground mounts

[Dana Orzel via RE-wrenches]

I have had engineering done for 90 MPH/ 3 Sec microburst wind years ago for a 
similar wetland type of situation. We were using 6" concrete slabs poured in 
parallel to accommodate front & rear legs of the ground mount. 1 slab per front 
7 rear set each.
The magic # was 18#of concrete per sqft of module to safely counteract the 90 
MPH/ 3 Sec microburst uplift.
Please do not take my word for this; CYA & have your own engineering done but 
this worked well & is still in operation.

Note; I tried to apply this method in a different county in a wetland situation 
and was denied.


Dana Orzel - 2087217003 - 76dan...@gmail.com

--- Begin Message ---
Hi REW,

Looking for recommendations (or the opposite) on ballasted ground mount 
options.  Anyone have experiences to share?

Thanks,
Kris


Shine On!

Kris Schmid
Legacy Solar, LLC
137 West 1st Avenue
Luck, WI 54853
www.legacysolar.com
715-653-4295
NABCEP Certified PV Installation Professional
Licensed Wisconsin Master Electrician
BSEE
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] AEE closing down operations

[Dana Orzel via RE-wrenches]

I am going to miss AEE! first Brad retires and now shutdown. 36 years buying 
from AEE.
Lots of friendships over the years; Brad Bassett, Glenn Hall, Leslie Cannon, 
Eric Carpenter & folks I cannot recall names of at the moment from further 
back. Man, the times they are a changing.

I guess the question is: WESCO or ? Where are people gravitating to? I get a 
minimum of 2-3 wholesale contacts per week.
Who is carrying Snap’nRack besides AEE?


Dana Orzel – 2087217003 – 76dan...@gmail.com

From: RE-wrenches  On Behalf Of 
Jeremy Coxon via RE-wrenches
Sent: Thursday, March 28, 2024 2:27 PM
To: re-wrenches@lists.re-wrenches.org
Cc: Jeremy Coxon 
Subject: [RE-wrenches] AEE closing down operations

I’m not going to editorialize about this, other than to say - what a damn shame 
to get this note in my inbox today.  19 years I’ve been buying from them and 
I’m sure some you on this list for much longer.  Talk about losing sight of the 
mission.

[cid:81A92772-990C-4ED4-9D49-44CE7279AD38]

Dear Valued Customer,



We hope this message finds you well. It is with a heavy heart that we reach out 
to share an important update regarding the future of AEE Solar. After careful 
consideration, we've made the difficult decision to wind down AEE’s operations 
over the next 36 days, with a tentative closing date of May 3rd, 2024. Please 
be aware that this date may be subject to change, and we will keep you informed 
of any updates.



As a result, we are offering attractive clearance pricing on the majority of 
our inventory over the next month, which we encourage you to take advantage of.



We understand that this news might come as a surprise. Our Customer Support 
Team and Territory Sales Managers are available to address any questions or 
concerns you may have during this time. We are committed to transparency and 
will keep you informed throughout the process, including confirmation of the 
final closing date, well in advance.



If you purchase SnapNrack products from AEE, please reach out to your Territory 
Sales Manager to explore opportunities to purchase directly from SnapNrack 
going forward.



We want to express our sincere gratitude for your ongoing support. It has been 
a privilege serving you, and we wish you continued success. We look forward to 
serving you during this wind-down period.



Sincerely,

The AEE Solar Team
Jeremy Coxon NABCEP
Certified MWBE

Sent from my iPhone
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Plaques

[Dana Orzel via RE-wrenches]

Good question I’m curious on this also, I have to say the ones that I’ve had 
made are not inexpensive
Dana Orzel
C: 208.721.7003
E- d...@solarwork.com

On Mar 30, 2024, at 12:58 PM, Lou Russo via RE-wrenches 
 wrote:


Aloha Wrenches,

Anyone out there making their own engraved plaques and labels?
If so, is it worth it and what machine are you using?
Thanks for your time and insight, it is always appreciated.

Aloha,

Lou Russo
Owner
l...@spreesolarsystems.com
808 345 6762
Spree Solar Systems LLC
CT-34322

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Off-grid array far, far from the batteries

[Dana Orzel via RE-wrenches]

I am out of country at the moment, but I think Morningstar has a 600 V 
controller that’s pretty good sized I can’t give you much spec on it, but you 
could do the DC run at up to 600 V
Dana Orzel
C: 208.721.7003
E- d...@solarwork.com

On Apr 10, 2024, at 6:57 PM, Nick A Lucchese via RE-wrenches 
 wrote:

 Pretty cold up there in Montana! Maybe only 10 or 11 in series depending on 
the module?

Nick




On Apr 10, 2024, at 9:40 AM, Chris Daum via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:


The crazy things folks do.  Dear people:  We have a fellow who has an initial 
off-grid array with a Radian 8048A (and related e-panel, etc.) and six 410W 
Canadian solar modules.  He has six more of the same modules…but the ideal site 
for solar is 900 feet away from his batteries and the rest of the system.  
Yeah, good planning, right?

In terms of getting AC power out of his ‘new’ 6X array, Enphase won’t work 
since he doesn’t have an Enphase system.  We’re looking at perhaps SMA or 
Chilcon (so the size of the wire run won’t be so astronomical).  Any 
suggestions?

Best,

Chris Daum
Oasis Montana Inc.
406-777-4309 or 4321
406-777-4309 fax
www.oasismontana.com



___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] 120 Vac and 12Vdc mixed distribution system

[Dana Orzel via RE-wrenches]

& from what I was told this week split you only get 1/2 the power per leg? 
Please clarify if different

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
David is correct.  We have some experience with Sol-Ark’s inverter, and it’s a 
good product.  However, be aware that you can configure it either as a 120V 
inverter with a max. output of about 5 kW or as a 240V inverter with a max. 
output of about 8 kW.  However, it does NOT do split-phase, meaning if you 
configure it for 240V, it cannot run loads that require a neutral.

Tom McCalmont
Paired Power


On May 3, 2024, at 4:12 PM, david quattro via RE-wrenches 
 wrote:

I think SolArk makes an 8K 120V-only version
David




On Fri, May 3, 2024 at 3:13 PM Jason Szumlanski via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
For this application I was originally thinking about a 48V inverter with 120V 
output, but there are not many options in the size range I was considering. It 
hit me that I could potentially get a 120/240V split-phase inverter and run the 
DC converter from one leg and the 120V loads from the other leg. The Sol-Ark 8K 
would probably be the right size for this application. Despite there being no 
240V loads, they "could" add them in the future if needed. I know about 
imbalance issues with the 12k, but have not heard this same feedback about the 
8k, so please let me know if you know otherwise.

I really doubt there will be enough imbalance here to cause issues. The biggest 
load on the DC side is a tiny 12V DC pump and the largest load on the AC side 
will be the new refrigerator, or maybe a big ceiling fan starting up. The 
inductive loads are almost negligible. Really the only reason I want an 
inverter this large is for the charger capacity. The owner wants a 9.6kWh LiPo 
battery minimum, so I want a sizable charger.

BUT, the client would need to replace their 120V portable generator with a 
split-phase unit. That could be a sticking point taking me back to a 120V 
inverter.

I was hoping for an all-in-one for this particular job, but the only one I can 
find that is 48Vdc and 120Vac is the EG4 6500EX-48. At the price point they 
offer it, I guess it can't hurt to try! I can even have a spare on the shelf 
for less in total than the cost of a Victron inverter charger and separate 
charge controller, and still have money to spare. I have been dabbling into the 
EG4 brand, mostly with clients that went ahead and bought EG4 batteries before 
they ever met me, and I haven't had any real issues other than battery to 
inverter closed loop comms. It's too early to say I'm impressed, but the prices 
are in the too-good-to-be-true category. I don't want to get off topic here 
with batteries and manufacturer reliability, but I wanted to mention the EG4 
6500EX-48, which seems like perfect specs for this job.


And... I know... someone is probably thinking that we're up to a 9.6kWh battery 
with a small 120V generator, and that's probably not a good match. I get that, 
but the client expects the PV to handle all of their needs with the generator 
only serving as an emergency backup. I have alerted them to the potential 
mismatch. I still want a sizeable charger in case they upgrade their generator 
for faster battery recharges.

Jason Szumlanski
Principal Solar Designer | Florida Solar Design Group
NABCEP Certified Solar Professional (PVIP)
Florida State Certified Solar Contractor CVC56956
Florida Certified Electrical Contractor EC13013208



On Wed, Apr 24, 2024 at 1:52 PM John Blittersdorf via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Jason,
  Just using the converter works fine. They are considered a battery charger or 
a regulated power supply. I am currently running that way now with the battery 
cables going nowhere.  I was thinking of putting the battery back in the system 
just for triple redundancy when my inverter hits low battery cutoff voltage on 
a cold winter night and no fuel for the generator (or it won't start).
My Iota DLS puts out a regulated 13.4 volts up to 30 amps.

John

On Wed, Apr 24, 2024 at 8:25 AM Jason Szumlanski via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Ah ha! I didn't consider using a small 12V battery with a charger. I was 
thinking of just using a 120V -> 12V converter to handle the DC loads. Is the 
12V battery really necessary, or can I just power the DC loads directly with a 
converter? If I just have lights and fans on the DC system, the load should be 
pretty minimal.

I could use a separate 12V battery, but I would like to eliminate that cost and 
complexity if possible.


And yeah, I am not considering this a money making opportunity. It's really 
just a cha

Re: [RE-wrenches] replacement needed for 12 vdc, 20w El-Sid circulator

[Dana Orzel via RE-wrenches]

I have 19 Elvis pumps if you’re interested in one brand new in the box, but I 
have been replacing & not using them and using either GrundFoss or taco ECM 
which is the Alpha series I think in one of those brands but ECM is an 
electronically commutated motor takes AC turns to DC Super reliable adjustable 
speed much more reliable pumps in the Elcid but hey, I got 19 Elvis’s if you 
want some contact me off-line
Dana Orzel
C: 208.721.7003
E- d...@solarwork.com

On May 26, 2024, at 11:21 AM, Kirk Herander via RE-wrenches 
 wrote:


Thanks, I just found them online.Seems like the best alternative.

On Sun, May 26, 2024 at 1:06 PM Dan Fink via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Kirk; I found this place for a very remote client last year with an ancient, 
failed El-Sid on a solar thermal system. I didn't do the replacement as the 
site is too far away, but the client said it worked fine upon installation and 
I haven't heard a word since.
https://www.ussolarpumps.com/el-sid/

Dan Fink
Owner, Buckville Energy Consulting LLC
IREC Certified Instructor for PV and Small Wind Installation
NABCEP Certified PV System Inspector
NABCEP PV Associate
danbo...@gmail.com
970-672-4342




On Sun, May 26, 2024 at 10:38 AM Kirk Herander via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Hello,

Any recommendations for replacement? A customer's El Sid on an old Sdhw system 
just failed after 20 years of service. It is powered directly from a PV module. 
Thanks in advance.

--
Kirk Herander / kirkh@vermont.solar
Owner|Principal, VT Solar, LLC
Celebrating our 33st Anniversary 1991-2024!!
dba Vermont Solar Engineering
802.559.1225

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org



--
Kirk Herander / kirkh@vermont.solar
Owner|Principal, VT Solar, LLC
Celebrating our 33st Anniversary 1991-2024!!
dba Vermont Solar Engineering
802.559.1225
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Water system with Grundfos SQFlex

[Dana Orzel via RE-wrenches]

Brad - Try supplyhouse.com
888.757.4774

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
Ray,

Do you have a US supplier for either of these fittings? The Jentro fitting 
looks great, the Blueseal16 does not look like it would have much of a pressure 
rating. I did not find a specification.

What do you all use for drop pipes for well pumps?  I have a 260ft deep well 
with galv, but the first batch corroded through, must have been a really bad 
batch. The second batch has been fine for many years. I can't bring myself to 
use PVC which is most common, I just have seen too many issues with it. 
Stainless is really expensive and hard to find threaded lengths, so I used very 
high pressure Poly. When it's rated for 300psi it has a very thick wall and is 
hard to get onto fittings, but is light weight and moderately flexible.

Brad

On Sun, May 26, 2024 at 11:17 AM Ray Walters via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:

Hi Brad;

I've seen a lot of leaks with barb fittings on poly pipe. I just replace most 
of the poly plumbing at my place, because I just couldn't get it to stop 
leaking. Black poly pipe is the lowest cost per foot, but not quite bomb proof. 
  Barb fittings are really more suited for irrigation under 40 psi, where leaks 
are just part of the irrigation system.  Also, if the pipe is exposed to 
sunlight, it can degrade and split open. Your described setup would have 
sections above 100 psi, and that will really drive leaks.  There are 
compression fittings for the poly pipe, which are better.  Here are some 
examples:

[PE pipe compression fitting for drinking water? Choose Blueseal16 - SAB 
spa][Jentro Fittings sdr11 klem draadstuk]

Barb fittings would probably be fine towards the top at the storage tanks, 
where the pressure is much lower, but at the pump, and top of the well, where 
the pressure is over 100 psi, I'd be using something better.

Good Luck,

Ray Walters
Remote Solar

On 5/26/2024 10:12 AM, Bradley Bassett via RE-wrenches wrote:
Yes, lots of possibilities for leaks. I will be exploring them today. Thanks 
for the tips for finding the location. This setup uses 300psi 1" black poly 
pipe on a 25 ft drop, and then about 1200 ft run of the same pipe up 220ft 
elevation to the tanks up the hill with the house about 36ft below the tanks 
with only gravity feed (16 psi). All connections on the poly pipe are made with 
long stainless barb fittings with T-bolt clamps, pretty bomb proof stuff. There 
is a pitless adapter into the well casing, I will check that for sure under 
pressure. I'll also fix the check valve in the pump house. I seem to have a lot 
of issues with check valves, do they really fail so often? We do not have high 
mineral water. I've especially had issues with spring check valves and no 
longer use them. The one in my pump house is a swing check valve which I 
thought was pretty reliable. If I remember correctly, the check valve in these 
pumps is not replaceable. Fortunately, we actually have two wells, each with a 
3SQF-2 pump that we can alternate for supply.  I'll let you know what I find.

Way back in the '90's we had a customer with a solar pump that just would not 
perform. Even with a new pump, new control, check this and that, it just would 
not pump much water. It pumped fine when out of the well. The drop pipe did not 
have any obstruction. They finally ran the pump while it was out of the well 
with the drop pipe connected and under pressure, and discovered a crack in the 
PVC pipe that did not show up except under pressure. So leaks can indeed be 
hard to find.

Brad



On Sun, May 26, 2024 at 8:17 AM Jay via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Hi all

Yes the pump won’t go backwards but it’s possible there could be some leakage 
through the helical coil.

But both check valves have to fail which is a low probability.

I’ve seen pipe broken due to someone closing a valve and not having a pressure 
relief valve. Not knowing what kind of pipe/fittings  are being used it could 
be corrosion has made a hole.

Not knowing the layout it might be possible to split the plumbing and see if 
the leakage is above or in the well.

Lots of fun possibilities

Jay


On May 26, 2024, at 9:03 AM, Roy Butler via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:

 Brad,

Windy might chime in at some point to back me up on this but I see no way for 
that pump to turn backwards.
Reverse flow is likely a leak at the pump, the down well piping or at the 
pitless adapter if there is one.

Roy

Another old time solar and wind guy, hoping to be retired someday :-).

Roy Butler
Four Winds Renewable Energy, LLC
8902 Route 46, 

Re: [RE-wrenches] Two Outback Radian 8048 fails in same week..what is likely wrong in 7+ year inverters?

[Dana Orzel via RE-wrenches]

I installed a Radian 4048 for a neighbor about a year ago.  The Sw4024 was 
tired.
Typ. - checked output all good volt & Hz, then about 2 weeks later He called 
said his washer would not spin & refrigerator had died (not happy) the Rad 4048 
was only at 99 volts/leg. OB Tech told me how to dial up & it would not stick 
at 119-120vac. Replaced the power supply all good for a year now.

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
High temperatures are a major cause of electronic equipment failures, 
contributing to more than 50% of them. A rule of thumb is that for every 10°C 
increase in temperature, the failure rate of electronic components will double 
and their life will be reduced by half. This rule is based on the Arrhenius 
equation, which can be used to compare damage that accumulates over time at 
different temperatures.

 In troubleshooting a very rare failure in XW that sounds like yours, look for 
little black chunks of Mosfet chips in the power section.



Dave Angelini Offgrid Solar
"we go where powerlines don't"
   https://offgridsolar1.com/ 

e-mail  offgridso...@sti.net
text 209 813 0060


On 2024-06-09 3:49 pm, Scot Arey via RE-wrenches wrote:

Longtime Outback user but since the experience of this group is so varied, I’ll 
say 8-years (so you real old-timers don’t laugh!).



Here is the scenario of two systems:



First is a full off-grid customer and we have two stacked 8048s, with four 
FM80s and a 14kw array that charges a RE2200. After a home fire (not related to 
the solar!) we got the system back on and it required heavy dual inverter 
operations to get the home going after a four-month hiatus. Looks like that 
slave inverter stopped working at end of the day after we re-powered and 
departed. He can operate with the single 8048.


The second situation is a used 8048 I have at the Texas coast that powers a 
small duck/hunt bunkhouse. It was used system (and I’m a benefitting member) 
but worked just fine when I put in. Went down to check the batteries (FLA, as 
AGM nor lithium was in budget) and there was not inverter output and no 
indication on the MATE like an error code.

So my question is – what typically fails in a 8048 from old age or heat stress? 
Wanted to ask here since so many issues with Outback tech spt during its 
transition. Neither inverter is in warranty, but trying to field repair 
anything I might be able to.

I do have battery voltage past the two 175A disconnects in the GSLC. No “thump” 
I typically get when the inverter first gets battery power and no lights.

Any troubleshooting tips to identify the culprit part?





[RCMAPac2258db41e67e5f1bd14020e20e3c81]



___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquet

[RE-wrenches] Wind 102.1

[Dana Orzel via RE-wrenches]

Wow these scams surface year after year.
First -vertical axis wind gens are only half as efficient as a horizontal axis 
shaft wind gen due to the resistance of the half that is spinning against the 
wind( drag). Therefore  vertical axis generator needs to be twice as efficient 
or receive significantly higher the wind.
Second -the forces on vert axis lower bearings are ridiculous and will wear & 
age very rapidly.
Third -the available wind at ground or even roof top level are gusty, unstable, 
& varying in speed which make the regulator (if there are any) struggle to 
engage the power on the without stalling the blades.
Forth. - Having installed many wind gens over my early years has taught me many 
hard & fast rules
1: location, location, location just because you want a wind generator is your 
location appropriate. The higher your generator is the more power you can 
produce. Height matters big time.
2: Seasons - I get calls every spring for wind gens because spring is the 
windiest season in most locals. When I enquire they admit that the 3 other 
seasons are pretty still.
3 : Obstructions -  you need to be  a minimum of 25-30’ higher than any object 
(trees, buildings, etc)that will influence the wind in dominant wind directions 
or any direction. Also what will local zoning if any allow?
4 : Maintenance /  service life : Just like our bodies, vehicles, houses, tools 
they will need servicing. This is a mechanical device who will service this 
installation?
5: Sound - go visit an installation typical of your situation in a Good wind 
speed. Listen & be critical, wind generator sounds are cyclic & continuous NOT 
like leaves or grasses which tend to be random sounds.
6: DONOT MOUNT A WIND GENERATOR ON A HOUSE! I did this and in a good blow at 30 
mph the harmonics generated ( with factory approved supplied vibration 
isolation) make the house sound like  it is suffering a really painful orgasm. 
DONT DO THIS!
7: Lightning protection : if it looks like a lightning rod guess what? It is a 
lightning rod!

Please do not get me wrong ; I love wind generation but only in appropriate 
locations, correctly installed & at appropriate heights, with safe methods to 
lower for service, & where the sound will not cause issues with neighbor’s & 
family.
Bad installations are only bad advertising.


Dana Orzel - d...@solarwork.com - 208.721.7003

On Jul 4, 2024, at 1:51 PM, Kirk Herander via RE-wrenches 
 wrote:


Look up Tesup on Amazon. 65% or purchasers consider their power claims a scam.

There is no way a $1000 machine can generate up to 9kw of power. And a 9kw 
genny weight would buckle the metal pole stand it supposedly is compatible with.

On Thu, Jul 4, 2024 at 2:33 PM Kienan Maxfield via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Hey all,

I know well the old adage - "If it sounds to good to be true, then it probably 
is." I also know that I have seen numerous windmill scams.

That said, I am doing some consulting for someone who wants to buy and install 
this Tesup windmill... Supposedly a 9 kW wind turbine for $999

https://tesup.com/us/products/tesup-horizontal-wind-turbines-for-homes

My customer claims all the normal things... This company has been around for a 
very long time (so they claim), they have millions of happy customers (so they 
claim), they are from Europe, not Asia (as though that would make them 
trustworthy)...

I know enough to be highly suspicious, and I won't be touching this unit myself 
either way, but I'm just curious if anyone knows anything directly about this 
specific one. I'll be advising this person not to get his hopes up if he does 
decide to try it out, and that I am suspicious, but if anyone has anything more 
specific, I'd love to hear about it so I can give better advice.

Thanks,
Kienan



Green-Go Solar Wholesale Distribution LLC
Maxfield Solar LLC (installation and consulting company)
maxfieldso...@hotmail.com
(801) 631-5584(Cell)
www.distribution.solar
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org



--
Kirk Herander / kirkh@vermont.solar
Owner|Principal, VT Solar, LLC
Celebrating our 33st Anniversary 1991-2024!!
dba Vermont Solar Engineering
802.559.1225
___
List spo

Re: [RE-wrenches] DC fan for greenhouse

[Dana Orzel via RE-wrenches]

We have 120vac Snap fan in use for green house heat exhaust for 6+ years very 
reliable a bit noisy when the blades get dusty (green house/chicken house) very 
low power consumption. We also have a Westinghouse SS ceiling fan in the 
greenhouse that has 4 speeds & remote operation - made for a really easy 
install.

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
I have also used SnapFans and they are great quailty.
SnapFan was sold a year or so ago, the new owners I think are based in AZ



Bryan Norkunas

PV-Cables Inc.

989 Milton Ave Ste 1D

Ferndale CA 95536

(707) 923-3000 office

www.pv-cables.com

 [cid:33b5ed1a-0116-44eb-a19d-84b987c7fa9c]



[cid:44167ab9-5d22-47f1-8284-c0a9f4db4fb5] Please print only if necessary.



NOTE: This email message and any attachments are for the sole use of the 
intended recipient(s) and may contain confidential and/or privileged 
information. Any unauthorized review, use, disclosure or distribution is 
prohibited. If you are not the intended recipient, please contact the sender by 
replying to this email, and destroy all copies of the original message.




From: RE-wrenches  on behalf of 
solareagle--- via RE-wrenches 
Sent: Tuesday, July 9, 2024 10:12 AM
To: RE-wrenches 
Cc: solarea...@solareagle.com 
Subject: Re: [RE-wrenches] DC fan for greenhouse

I’ve used Snap Fans as well, they come in various configurations, both AC & DC. 
Good quality for sure but not cheap.

Ron Young
earthRight Solar


On Jul 9, 2024, at 6:43 AM, AE Solar via RE-wrenches 
 wrote:

We had used some Snap-Fans many many years ago on some greenhouse applications. 
Looks like they are still in business and their product line has expanded so 
that says something….
http://www.snap-fan.com/


Adam Katzman (he/him)
Autonomous Energies | Owner/Operator
www.AutonomousEnergies.com
(518) 567-1468



On Tue, Jul 9, 2024 at 9:36 AM David Palumbo via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Wrenchters,

I have a friend looking for a DC fan for his 20' x 40' greenhouse here in 
northern Vermont.

Recommendations please.

Thanks,

Dave Palumbo
Hyde Park, VT
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org


___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-arc

[RE-wrenches] Outback in general

[Dana Orzel via RE-wrenches]

What’s up with Outback as a biz?
Are they back? 
Status?
phone #s same?

Dana Orzel - d...@solarwork.com - 208.721.7003

> On Jul 19, 2024, at 5:19 PM, Jim Gowdy via RE-wrenches 
>  wrote:
> 
> 
> I'm somewhat new to the solar industry and I'm starting to break into 
> programming and more computer involved skills of solar.  I primarily do small 
> cabins and service work, but have been a part of some decent residential 
> systems.  Does anyone have any good literature and/or videos of updating 
> firmware on Outback Mate3 controllers.  I've seen instructions, but I hear 
> little tricks/tips that are not at all in the instructions.  I'm looking for 
> a really good, detailed instruction sheet so I can keep it for reference.  
> Thanks for any responses.  
> 
> --
> Jim with Gowdy Electric
> Cambria, Ca 93428
> business  805 927 2630
> cell  805 975 5279
> ___
> List sponsored by Redwood Alliance
> 
> Pay optional member dues here: http://re-wrenches.org
> 
> List Address: RE-wrenches@lists.re-wrenches.org
> 
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
> 
> There are two list archives for searching. When one doesn't work, try the 
> other:
> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
> 
> List rules & etiquette:
> http://www.re-wrenches.org/etiquette.htm
> 
> Check out or update participant bios:
> http://www.members.re-wrenches.org
> 
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] have a laugh

[Dana Orzel via RE-wrenches]

I had to call:)

Because it is on wheels it is considered mobile & not requiring UL...
I asked what about liability in the event of a fire, "oh that has never 
happened why would that happen?"
I asked about tie in & they are sending a manual.
I see how this could be used in place of a 13KW generator sitting there charged 
up. Good for 5-8 hours..
no gas to go bad no oil to change no starter battery
hook it up via a transfer switch or a gentran type of critical loads panel
Just do not want to be the first kid on the block to buy one.

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---

Same person asking about the pump was also asking about the following.

I’d never heard of it either.  Looks like from a 1970’s sci fi movie

https://batteryevo.com/product/walrus-180ah-13-kwh-ac110-220v-72n/


72v battery, non UL, no real data ( surprise) super narrow PV window.

Just bizarre what’s out there.

Jay


___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Neutral run to critical loads sub-panel

[Dana Orzel via RE-wrenches]

Wire nuts in a breaker panel are not allowed per my inspector per code.  Pull 
the Romex out of the breaker panel & spllce in a wire gutter to extend.
I have seen this enforced twice now.

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
Leaving the branch circuit neutrals and grounds in the existing main 
panel, and just extending the ungrounded conductors to the subpanel is 
much cleaner.  Splicing and extending all of the branch circuit 
conductors can quickly exceed the fill rating of the main panel with all 
those wire nut splices. It looks terrible, and is terrible to work with.

We run single neutral and ground conductors to the subpanel sized per 
the bypass breakers.

We've done it this way for decades, and always had inspectors comment on 
the cleanliness of our work.

If the subpanel was not within a few inches of the MLP, then I Would 
extend all branch circuit conductors, but I'd consider using a large J 
box adjacent to the MLP to keep all the extension splices out of the way.

Ray Walters
Remote Solar

On 8/1/2024 12:06 PM, Jason Szumlanski via RE-wrenches wrote:
> I think it depends on how the backup load circuit ungrounded
> conductors are extended. If they share the same raceway with the
> inverter AC input and output conductors all the way to the backup
> subpanel, and there is a neutral connection from the main panel to
> inverter and inverter to subpanel, the intent of 300.3(B) would be
> satisfied (assuming the neutral conductor is appropriately rated). But
> if the backup load circuit ungrounded conductors are extended to the
> subpanel in a separate raceway, there would need to be neutrals
> extended as well in that same raceway. That's where using a wiring
> gutter is often beneficial because you can often easily extend
> ungrounded backup load conductors through the same raceway(s) to reach
> a backup load subpanel.
>
> One thing seems certain - you need a neutral to the subpanel, but it
> can be a single neutral from the inverter output, or individual branch
> circuit neutrals extended to the subpanel. One consideration would be
> ensuring the neutral conductor is large enough to handle the total
> load from the backup loads (while on grid), which may be greater than
> the inverter rating, because the inverter only needs to serve the
> largest backed up load. The inverter may be able to pass through a
> larger utility feed than the inverter output rating in islanded mode.
> That would most likely apply to the ungrounded conductors.
>
> Anyway, I think it's better practice to just extend all of the backup
> load neutrals as well. It's cleaner.
>
> And you need a label indicating that there are pass-through loads (NEC
> 312.8(A)(3)). I see this missed VERY frequently.
>
> Jason Szumlanski
> Principal Solar Designer | Florida Solar Design Group
> NABCEP Certified Solar Professional (PVIP)
> Florida State Certified Solar Contractor CVC56956
> Florida Certified Electrical Contractor EC13013208
>
> On Wed, Jul 31, 2024 at 12:32 AM don energysolarnow.com via
> RE-wrenches  wrote:
>> If all the 120 VAC loads have their neutrals land in the main meter panel 
>> then there is no need to run a neutral from there to the sub panel, as long 
>> as the inverter does have a neutral connection back to the meter panel.
>> Especially when the inverter goes off grid it needs that neutral connection 
>> to the loads neutral in the meter panel.
>>
>> Don Barch
>> Energy Solar
>>
>>
>>
>> On Mon, Jul 29, 2024 at 11:53?PM William Miller via RE-wrenches
>>  wrote:
>>> Friends:
>>>
>>> I found a grid-tie battery-backup system with a 120/240 VAC critical loads 
>>> sub-panel that has no neutral run to it.  All of the 120 VAC loads have 
>>> their neutrals land in the meter panel.
>>>
>>> I have always felt instinctively that the neutrals should land in the 
>>> breaker panel that feeds the circuit.  I have looked through the NEC to 
>>> find a passage that spells this out but I can seem to find one.
>>>
>>> Is this a code requirement?  Is this recommended practice?
>>>
>>> Thanks in advance.
>>>
>>> William Miller
>>>
>>> Miller Solar
>>>
>>> 17395 Oak Road, Atascadero, CA 93422
>>>
>>> 805-438-5600
>>>
>>> www.millersolar.com
> ___
> List sponsored by Redwood Alliance
>
> Pay optional member dues here: http://re-wrenches.org
>
> List Address: RE-wrenches@lists.re-wrenches.org
>
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> There are two list archives for searching. When one doesn't work, try the 
> other:
> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
> http://lists.re-wrenches.org/pipe

Re: [RE-wrenches] Neutral run to critical loads sub-panel

[Dana Orzel via RE-wrenches]

This was extending to a critical load panel. I am not an AC electrician but my 
guy is & had to set a gutter. It was a nice neat cut-in above the panel.

Sorry I cannot quote the NEC section I was not present. Id say check with your 
AHJ

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com<mailto:d...@solarwork.com>
W - www. greatsolarworks.com www.solarwork.com<http://www.solarwork.com/>
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
Hi Dana;

What code section is he/ she referencing?  Many times, wires are left too short 
to land on a particular breaker or buss, so splices in the load center happen 
even in regular electrical work.  Our inspectors here consider a load center 
the same as any other electrical enclosure: subject to wire and splice fill 
requirements.  We've beaten this dead horse subject before, many years back.

So your inspector would require you to tear into a finished wall to install a 
gutter, just to relocate a breaker in the same panel, and extend the circuit 
wire with a splice?  What if you accidentally cut one neutral wire a few inches 
short; suddenly you need the custom plaster crew back out to patch?   I've had 
MLPs installed in walls with very expensive wall finishes. I'm not tearing into 
that wall unless it's the only way.   The majority of inspectors are not 
electricians.

Code citations, please.

Thanks,

Ray Walters
Remote Solar

On 8/1/2024 2:44 PM, Dana Orzel via RE-wrenches wrote:
Wire nuts in a breaker panel are not allowed per my inspector per code.  Pull 
the Romex out of the breaker panel & spllce in a wire gutter to extend.
I have seen this enforced twice now.

_
Dana OrzelGREAT SOLAR WORKS!
C – 208.721.7003  E – d...@solarwork.com<mailto:d...@solarwork.com>
W - www. greatsolarworks.com www.solarwork.com<http://www.solarwork.com/>
“Responsible Technologies for Responsible People since 1988!”




___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org<mailto:RE-wrenches@lists.re-wrenches.org>

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org


___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] Replacing my rails on Watson tracker

[Dana Orzel via RE-wrenches]

Time for an upgrade.
I am looking for a rail typical of the "old" Iron ridge Q rail or what used to 
come on Watson trackers. Watson does not have any extra currently & distance 
over size leads to ridiculous freight over-charges. The new Iron Ridge rails do 
not work due to the curved sides.
I want to replace my Solar World 240watt with REC 360watt modules.
The rail needs to allow for a carriage bolt type slot of grab the head with the 
threads sticking up. I am looking for (12) rails at 168".

Suggestions welcome & thanks, If you have some that might work, please contact 
me directly.


_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] discover lithium warranty issues.

[Dana Orzel via RE-wrenches]

Pop - point of purchase

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
What is a POP Jay?  I assume the customer did not fill out the warranty info 
when new? Big mistake on something with a 10 year warranty. With all of the 
used junk on ebay/Amazon why would you not be difficult?



Dave Angelini Offgrid Solar
"we go where powerlines don't"
   https://offgridsolar1.com/ 

e-mail  offgridso...@sti.net
text 209 813 0060


On 2024-08-15 8:49 am, jay via RE-wrenches wrote:

Hi All,

I have an installer  buddy where i used to live who’s having to try and get a 
discover lithium warrantied.

Its 3 yrs old, 2 years installed.

The dealer is closed, and the customer doesn’t have the POP.

Discover is being very difficult.

The battery appears to have a dead cell block which makes trying to get info 
out of the battery all but impossible as it won’t stay on long enough to 
download the info.

Does anyone have a contact who could help my  installer/friend  with this issue?

thanks

Jay
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] Fm100’s stuck at full charge

[Dana Orzel via RE-wrenches]

OK, you wise guys.
I am upgrading my home off grid system from two FM 80s to two FM 100s.
The FM 80s were able to share the negative wire so you didn’t have to pull a 
second negative wire.
I wired the FM 100 typical of how my FM 80s were wired with a number four 
battery negative assuming and yes, I know what happens when I assume, that the 
PV negative on the battery negative are common and I could just pull one number 
four since going through those double 1” - 90° is a bitch. Currently I have two 
# fours for output to battery, the number eight ground and 1 # six PV input.
I got this all together and it’s charging just fine but once the battery got 
full charge controllers continued to produce full output. The battery dropped 
to a float and I had 2800W on each charge controller continuing to be produced 
at which was turning into heat so the FM 100s were getting very warm. The fans 
had not turned on, but the heat sinks were definitely very very warm to the 
touch. The battery voltage is fine.
I Read the manual it doesn’t talk about being able to use one negative so I am 
assuming that my problem is that the PV needs a negative and they do not share 
the negative.
Has anybody else seen this or done the same wiring maneuver.
 thanks in advance

Dana Orzel - d...@solarwork.com - 208.721.7003
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Fm100’s stuck at full charge

[Dana Orzel via RE-wrenches]

Mate 3s
Dana Orzel
C: 208.721.7003
E- d...@solarwork.com

On Sep 7, 2024, at 7:07 PM, Chris Sparadeo via RE-wrenches 
 wrote:


Which Mate are you using? I know the FM100 is only compatible with the Mate 3s. 
If you are using a Mate 3, this mismatch could possibly be the cause of these 
issues.

On Sat, Sep 7, 2024 at 7:25 PM Maverick Brown via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Dana

I have always wired the PV negative all the way to the charge controller. That 
way, the battery negative of the charge controller that happens to go to a 
shunt has a proper representation of the current flow.  I guess you could put 
that PV negative at the same side of the shunt as the battery negative since 
internally the negatives are tied together on the charge controller.

Did the charge controller come
AFCI? If so, you likely have to bring both PV cables through the current sense 
of the AFCI.

Also check to see if you have global charge control coordination turned on, if 
so, turn it off  and also check restart mode to set to two which means restart 
after 90 minutes no matter what.


Thank you,

Maverick

Maverick Brown
Off-Grid Solar Commander since 2006
Maverick Solar Enterprises, Inc.
 • Solar Commander Remote Power
 • SunFlow Systems Cathodic Protection
maver...@mavericksolar.com<mailto:maver...@mavericksolar.com>
512-460-9825



On Sep 7, 2024, at 5:50 PM, Dana Orzel via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:

OK, you wise guys.

I am upgrading my home off grid system from two FM 80s to two FM 100s.
The FM 80s were able to share the negative wire so you didn’t have to pull a 
second negative wire.
I wired the FM 100 typical of how my FM 80s were wired with a number four 
battery negative assuming and yes, I know what happens when I assume, that the 
PV negative on the battery negative are common and I could just pull one number 
four since going through those double 1” - 90° is a bitch. Currently I have two 
# fours for output to battery, the number eight ground and 1 # six PV input.
I got this all together and it’s charging just fine but once the battery got 
full charge controllers continued to produce full output. The battery dropped 
to a float and I had 2800W on each charge controller continuing to be produced 
at which was turning into heat so the FM 100s were getting very warm. The fans 
had not turned on, but the heat sinks were definitely very very warm to the 
touch. The battery voltage is fine.
I Read the manual it doesn’t talk about being able to use one negative so I am 
assuming that my problem is that the PV needs a negative and they do not share 
the negative.
Has anybody else seen this or done the same wiring maneuver.
thanks in advance

Dana Orzel - d...@solarwork.com<mailto:d...@solarwork.com> - 208.721.7003
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org<mailto:RE-wrenches@lists.re-wrenches.org>

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org<mailto:RE-wrenches@lists.re-wrenches.org>

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] Fm100’s now not stuck at full charge Update

[Dana Orzel via RE-wrenches]

 The original system installed in 2016 was:
_
1 - 48v/2490ahr HUP Solar One battery bank
24 - 280watt Solar World PV mods.
2 - Wattson trackers (I live in a SW x NE canyon; sun rises late, 9:30-10:00 in 
winter & sets at 4:00) It’s a narrow window hence the addition of trackers has 
been the ticket, also due to zoning regs & the entire property at a 14* slope I 
did not have the space to that much of a ground mount
1 - 8048 Radian prewired board with 2 - FM80 Charge controllers

The upgrade is replacing 2-CC & the 24-PV mods:
___
2 - FM100 as I am going over 4320w per CC & at -25*F as could be 5,180+/-w per 
CC.
24 - 360watt REC PV mods.
___
The system has worked flawlessly since 2016 including finishing original 
construction on home, shop, greenhouse, & garage and only 4-6 hours of backup 
generator for the entire winter season. 
The upgrade is precipitated by strong possibility that my wonderful but 
seriously failing 87-year old mother in law may be joining us for the final 
countdown of her life.

On Sunday I added the negative wire to the PV input & took the FM100 out of 
Global Coordination per Mavericks suggestion. The day was filled with lots of 
small cumulus so not a great charging day, but the system appeared to have 
straightened out & I was getting significantly more [900-1000 w] out of the 
system than with the FM80 CCs (interesting). Perhaps, this was due to the 
cooling effect of shaded & then in the sun & back again though at 4:00 I 
finally had a solid sun & 6.2KW coming in at 85*F which is much higher than 
with the FM 80 CC at same temps. Typically the input would have been 5.4KW at 
85*F. Or was this adding the negative wire to the PV input?

Can anyone provide clarity on the taking the FM100s out of Global Coordination? 
Would this allow Tapering the final charge off better?

Today is clear & forecast for full sun. I will report back as I will come back 
from a new project we are doing around the corner for lunch.

_
Dana OrzelGREAT SOLAR WORKS!  
C – 208.721.7003  E – d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
“Responsible Technologies for Responsible People since 1988!”

-Original Message-
From: Dana Orzel  
Sent: Monday, September 9, 2024 6:43 AM
To: Dana Orzel 
Subject: Re: [RE-wrenches] Fm100’s stuck at full charge


Dana Orzel - d...@solarwork.com - 208.721.7003

> On Sep 8, 2024, at 10:53 PM, Bill Battagin via RE-wrenches 
>  wrote:
> 
> Dana,
> 
> You must have quite a bit of PV to switch out to 2 FM100's.  You 
> didn't mention what is the size of your battery and its chemistry, what's you 
> C-rate?  If you're charging a large Lead acid battery and maybe it was 
> discharged pretty deep and/or you have substantial loads once you hit absorb, 
> once its reached absorb it may continue to process pretty high amps to hold 
> that voltage as it works on finish charging a large pack up to 100%. How long 
> is it putting out 2800 watts per CC?
> 
> Obviously this doesn't apply with L-ion
> 
> Bill
> 
> Feather River Solar Electric
> Bill Battagin, owner
> 4291 Nelson St. (Shipping)
> 5575 Genesee Rd. (USPS, UPS)
> Taylorsville, CA  95983
> 530-284-7849, 258-1641(cell)
> CA. C10 Lic # 874049
> Solar Powered since 1982
> Home of the Sunny Side Up
> 
>> On 9/7/2024 3:49 PM, Dana Orzel via RE-wrenches wrote:
>> OK, you wise guys.
>> I am upgrading my home off grid system from two FM 80s to two FM 100s.
>> The FM 80s were able to share the negative wire so you didn’t have to pull a 
>> second negative wire.
>> I wired the FM 100 typical of how my FM 80s were wired with a number four 
>> battery negative assuming and yes, I know what happens when I assume, that 
>> the PV negative on the battery negative are common and I could just pull one 
>> number four since going through those double 1” - 90° is a bitch. Currently 
>> I have two # fours for output to battery, the number eight ground and 1 # 
>> six PV input.
>> I got this all together and it’s charging just fine but once the battery got 
>> full charge controllers continued to produce full output. The battery 
>> dropped to a float and I had 2800W on each charge controller continuing to 
>> be produced at which was turning into heat so the FM 100s were getting very 
>> warm. The fans had not turned on, but the heat sinks were definitely very 
>> very warm to the touch. The battery voltage is fine.
>> I Read the manual it doesn’t talk about being able to use one

Re: [RE-wrenches] Switching to LiFePO4

[Dana Orzel via RE-wrenches]

Hey there David

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
Wrenches,

I have a nice little rental house here in my off-grid neighborhood that after 
40 years is ready to transition to LiFePO4 batteries.
I have no experience with any lithium home power storage batteries. I'm looking 
for advice, so I can avoid mistakes as a rental house with battery problems is 
quite the pain in the ass. The last tenant was my daughter so life with older 
lead acids wasn't a huge issue, but now I want something I won't have to enter 
the house to monitor and operate. I'll bullet what I think I know and my 
questions.

  *
The house has four 11-year-old Trojan Industrial IND 17-6 for 925 AH @ 24V that 
are amply sized for the houses loads.
  *
It has a newer TriMetric meter that I was supposed to be able to set up for web 
access using their WIFI module, but I have had no success with being able to 
monitor battery state of charge remotely.
  *
I really need something that will give me battery state of charge information 
without entering the house.
  *
The system has a single OutBack VFX3624. PV array is 2.5kW.
  *
System also has a Iota 40A charger so charging with my 6 KW genset is typically 
in the 100Amp range with the OutBack and Iota.
  *
We are in northern Vermont, so we rack up significant generator (NOT 
auto-start) run time in the winter months.
  *
 I'm looking at Eclipse LiFePO4 24V 200AH. Three of these will give me 600AH @ 
24V which is 65% of the rated Amp Hrs of the Trojan Industrials now in use. Is 
this enough?
  *
My battery box can easily handle up to four of the Eclipse 24V 200AH batteries. 
I see that Backwoods recommends that only three of the Eclipse are connected 
with battery cables. If I opted for four (for 800AH) I would need to use a 
busbar.
  *
Are there other distributors of Eclipse batteries other than Backwoods Solar 
that I should consider? I haven't used my dealer account with them for a number 
of years and I'm not sure that I'll get a good price from them.
  *
What is the lead time for getting these batteries shipped out?
  *
Are there other LiFePO4 batteries I should consider?
  *
Is 600AH of LiFePO4's enough to replace 925AH of LA's?

Dave Palumbo
Retired from running Independent Power, but active in off-grid solar.
Hyde Park, VT
802-371-8678 voice or text.
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Switching to LiFePO4

[Dana Orzel via RE-wrenches]

Sorry for the interruption -
What CC are you going to be using?

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
Wrenches,

I have a nice little rental house here in my off-grid neighborhood that after 
40 years is ready to transition to LiFePO4 batteries.
I have no experience with any lithium home power storage batteries. I'm looking 
for advice, so I can avoid mistakes as a rental house with battery problems is 
quite the pain in the ass. The last tenant was my daughter so life with older 
lead acids wasn't a huge issue, but now I want something I won't have to enter 
the house to monitor and operate. I'll bullet what I think I know and my 
questions.

  *
The house has four 11-year-old Trojan Industrial IND 17-6 for 925 AH @ 24V that 
are amply sized for the houses loads.
  *
It has a newer TriMetric meter that I was supposed to be able to set up for web 
access using their WIFI module, but I have had no success with being able to 
monitor battery state of charge remotely.
  *
I really need something that will give me battery state of charge information 
without entering the house.
  *
The system has a single OutBack VFX3624. PV array is 2.5kW.
  *
System also has a Iota 40A charger so charging with my 6 KW genset is typically 
in the 100Amp range with the OutBack and Iota.
  *
We are in northern Vermont, so we rack up significant generator (NOT 
auto-start) run time in the winter months.
  *
 I'm looking at Eclipse LiFePO4 24V 200AH. Three of these will give me 600AH @ 
24V which is 65% of the rated Amp Hrs of the Trojan Industrials now in use. Is 
this enough?
  *
My battery box can easily handle up to four of the Eclipse 24V 200AH batteries. 
I see that Backwoods recommends that only three of the Eclipse are connected 
with battery cables. If I opted for four (for 800AH) I would need to use a 
busbar.
  *
Are there other distributors of Eclipse batteries other than Backwoods Solar 
that I should consider? I haven't used my dealer account with them for a number 
of years and I'm not sure that I'll get a good price from them.
  *
What is the lead time for getting these batteries shipped out?
  *
Are there other LiFePO4 batteries I should consider?
  *
Is 600AH of LiFePO4's enough to replace 925AH of LA's?

Dave Palumbo
Retired from running Independent Power, but active in off-grid solar.
Hyde Park, VT
802-371-8678 voice or text.
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] sol ark battery

[Dana Orzel via RE-wrenches]

2 - Homegrid both required quite a bit of programming assistance not everyone 
who answered the phone was knowledgeable enough to get the fixes installed.
2 - Pytes fired up fine no issues.
2 - Solar Edge both required assistance, quick & simple fixes with Tech staff.

I have a client who has started off with "I want Tesla batteries" how has Tesla 
batteries faired on installation?

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
I’ve had good experience with Homegrid so far.




> On Oct 9, 2024, at 11:32 AM, jay via RE-wrenches 
> mailto:re-wrenches@lists.re-wrenches.org>> 
> wrote:
>
> HI All
>
>
> Wondering what people are using for lithium  battery and sol ark?
>
> And no, LA is not a option for this system.
>
> Outdoor rated would be preferred, heated isn’t needed.
>
> thanks in advance
>
> jay
>
>
>
> ___
> List sponsored by Redwood Alliance
>
> Pay optional member dues here: http://re-wrenches.org
>
> List Address: 
> RE-wrenches@lists.re-wrenches.org
>
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> There are two list archives for searching. When one doesn't work, try the 
> other:
> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
> List rules & etiquette:
> http://www.re-wrenches.org/etiquette.htm
>
> Check out or update participant bios:
> http://www.members.re-wrenches.org
>
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] sol ark battery

[Dana Orzel via RE-wrenches]

My first question & complaint for the Homegrid battery

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com<mailto:d...@solarwork.com>
W - www. greatsolarworks.com www.solarwork.com<http://www.solarwork.com/>
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
Question for all you Homegrid installers…has anyone found a succinct way to run 
conduit from the battery enclosure to the Sol Ark?

On Wed, Oct 9, 2024 at 7:39 PM Jason Szumlanski via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Jay,

I should mention I have a couple of customers with big EG4 LifePower battery 
banks (i.e. 120kWh+, 80kWh, etc) and Sol-Arks. The clients purchased the 
batteries directly, so I didn't have a choice. I will say that the systems are 
performing flawlessly, but forget about closed loop comms and SOC management. 
Everything is voltage based, which is suboptimal. But we're making it work. The 
Sol-Ark app still reports their version of SOC, which is handy for clients, but 
charge setpoints are done with voltage.

Signature Solar has provided pretty good support, but I didn't need much help.

I strongly suggest the Communication Hub to get SOC data from the battery BMSs. 
It's pretty handy and very easy to install.

With that said, I don't sell EG4 and don't necessarily recommend it, but to be 
fair, I haven't had any problems and the capacity claims seem legitimate. The 
value proposition can't be ignored.

Jason Szumlanski
Florida Solar Design Group

On Wed, Oct 9, 2024, 7:29 PM jay 
mailto:jay.pe...@gmail.com>> wrote:
Thats all super helpful, appreciate the advice everyone.

I’ve not used the sol ark 15 and just wanted to make sure I wasn’t missing 
anything about battery options.

And specifically the ones that don’t seem to play well.

Jay





On Oct 9, 2024, at 2:56 PM, Jason Szumlanski via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:

HomeGrid works great with Sol-Ark. Closed loop comms reports battery SOC from 
BMS. Parallel stacks install easily. Customer support is competent and patient, 
in my experience.

The best part is the ability to easily add batteries. On Sunday I had a client 
with two stacks of five batteries each call me in a panic ahead of Hurricane 
Milton. He wanted more capacity. We had them in stock. On Monday my team added 
three batteries to each stack on the fly since we couldn't do a roof install 
that day due to rain. We had it done in about 2 hours, and that included moving 
the stacks due to a height conflict with a piece of equipment.

And now, 48 hours later, I'm looking out my home office window at the trees 
bent over. A tornado passed close by a few hours ago, debris pelting my 
windows, and a neighbor lost their lanai ceiling. Too close for comfort! But I 
have power, at least. :)

Wish us luck.

Jason Szumlanski
Principal Solar Designer | Florida Solar Design Group
NABCEP Certified Solar Professional (PVIP)
Florida State Certified Solar Contractor CVC56956
Florida Certified Electrical Contractor EC13013208


On Wed, Oct 9, 2024 at 4:44 PM MDElectricSolar via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
We’ve been installing the Tesla power wall 3 and have had zero issues, a very 
robust product, downside is no generator support.

Michael D Nelson
MD Electric & Solar, Inc.
707-684-0064 mobile
707-884-1862 office
www.mdelectricsolar.com<http://www.mdelectricsolar.com/>
www.facebook.com/mdelectricandsolar<http://www.facebook.com/mdelectricandsolar>


On Oct 9, 2024, at 1:24 PM, Dana Orzel via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:


2 – Homegrid both required quite a bit of programming assistance not everyone 
who answered the phone was knowledgeable enough to get the fixes installed.
2 – Pytes fired up fine no issues.
2 – Solar Edge both required assistance, quick & simple fixes with Tech staff.

I have a client who has started off with “I want Tesla batteries” how has Tesla 
batteries faired on installation?

_
Dana OrzelGREAT SOLAR WORKS!
C – 208.721.7003  E – d...@solarwork.com<mailto:d...@solarwork.com>
W - www. greatsolarworks.com<http://greatsolarworks.com/> 
www.solarwork.com<http://www.solarwork.com/>
“Responsible Technologies for Responsible People since 1988!”


___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org<http://re-wrenches.org/>

List Address: 
RE-wrenches@lists.re-wrenches.org<mailto:RE-wrenches@lists.re-wrenches.org>

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

Re: [RE-wrenches] washer on OutBack inverter

[Dana Orzel via RE-wrenches]

I’m off-grid & still using my 20+ year-old Fisher Paykal washer, had to replace 
the control board at one point, 2 thumbs up on that nothing fancy about this 
washer, but super reliable about 140 WHR per full load on a favorite set up of 
parameters full water, extra rinse,
This unit has a really good spin out to get a lot of water out of the clothes, 
but it’s pretty old style. It’s given running for 20 years on various outback 
Inverters
running it on a radian 8048 and an Onan 20 KW generator system
Dana Orzel
C: 208.721.7003
E- d...@solarwork.com

On Oct 21, 2024, at 11:04 AM, Bob-O via RE-wrenches 
 wrote:

 We’ve had an LG front loader for years. Kathleen wrote it up in HP (rip). 
It’s an “Inverter-Direct Drive” model,  whatever that means. Energy Star, of 
course. It runs on an OLD FX-2524 and has been flawless (so far…). That sound 
you hear is me knocking on wood….
Bob-O

On Oct 21, 2024, at 8:13 AM, David Palumbo via RE-wrenches 
 wrote:


Wrenches,

I need to replace a front load washer in my off grid rental house.

Looking at LG's and I'm wondering if any of you have experience with them 
running on OutBack inverter power.

The Maytag washer I'm replacing ran fine on inverter power but would not 
operate on Generac Eco-Gen power.

Dave Palumbo
Hyde Park, Vermont
802-371-8678 voice or text

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] FM80’s vs FM100’s

[Dana Orzel via RE-wrenches]

As previously mentioned, I am upgrading my home off grid system and had to put 
in flex max 100 and just wanted to report on the difference I’ve seen.
I still have the older Array up about 6300 W on trackers and the stability of 
the voltage once the system is full is rock solid compared to the FM 80s which 
would tend to float around and the battery percentage sits right at 100. It’s 
really stable with the FM 80s. It would tend to slowly drift down and by sunset 
it could say anywhere from 97 to 95% full, just an observation thought I’d pass 
it along 
Dana Orzel - d...@solarwork.com - 208.721.7003
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] I sent in my Wrench List dues, have you?

[Dana Orzel via RE-wrenches]

If you're not contributing knowledge &  $ you are stalking!. Participate & Pony 
up All!

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
Money well spent!

On Sep 27, 2024, at 2:31 PM, Ray Walters via RE-wrenches 
 wrote:


Think about how much money and trouble you saved avoiding problems someone else 
here already suffered through.  Then put a reasonable fraction of that savings 
towards keeping the list going.  Its good business my fellow Wrenches!  As 
Drake mentioned: its one of the most important tools in our design tool box.

Ray Walters
Remote Solar

On 9/27/2024 11:10 AM, Drake Chamberlin via RE-wrenches wrote:

Hello All,

I know this is off-topic under list guidelines, but Michael said it was OK to 
post.

Michael deserves our support for keeping The RE-Wrench List going for all of 
these years. The discussions on the list have been important for decades to the 
evolution of solar energy in the areas of technological innovation, dealer 
support, and code development. Many industry leaders have taken part in these 
discussions.

The information on the list is invaluable for putting the word out on products 
that are useful and ones to be avoided. Help is often provided in getting 
through to manufacturers that are sometimes elusive.

There are a lot of smart, experienced members on the Wrench List. Technical 
advice provided in various posts often exceeds that provided by product 
manufacturers. Getting the information needed can easily save us a few hours of 
work or research, which can far exceed the cost of the dues.

The Wrench List is one of the most important tools in my toolbox. Hopefully 
other members of this list will understand its value and also send in their 
dues. I know Michael says the dues are optional, but come on…

The Wrench List rocks. It is an incredibly valuable business investment. Let’s 
keep it going. The minimum suggested dues are only $50 per year. I am sending 
significantly more.

Go to http://re-wrenches.org/ to pay dues online or to find the mailing address 
for sending a check.

Thanks, Wrenches, let’s all pony up!

Best,

Drake


Drake Chamberlin

Athens Electric LLC

Ohio Electrical Contractor’s License 44810

NABCEP Certified PV Installation Professional




--




___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org



___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org


rick brown
SolShine Energy Alternatives, LLC
Electrical & Solar Contracting Services
www.SolShineEnergy.com
Roanoke, VA
Office: 540.235.3095
Mobile: 540.808.9502

VA Class A Contractor Lic# 2705147660
VA Master Electrician Lic# 2710062762
VA Alternative Energy Systems Installer
NABCEP Certified PV Installation Professional 110112-21

CONFIDENTIALITY NOTICE -- This email is intended only for the person(s) named in
the message header. Unless otherwise indicated, it contains information that is
confidential, privileged and/or exempt from disclosure under applicable law. If 
you have
received this message in error, please notify the sender of the error and 
delete the
message. Thank you.”

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. 

[RE-wrenches] Need an Outback Radian 4048A power module

[Dana Orzel via RE-wrenches]

Hey there All!

My off-grid neighbor-friend-client just has a "Battery Sence error" (at 55vdc 
on system) on his Radian 4048A inverter, currently he can run well, lights & 
refrigerator. The gas dryer sends the radian into a shutdown. I have never 
heard of a battery sense error.

Anyone have a clue as to what this is?

Outback is not returning calls.
Supplier I normally work with does not have a power unit.

Does anyone out there have a Radian 4048A power unit?

Thoughts?

Please contact me off list - Thanks


_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] ATS Brand Recommendations

[Dana Orzel via RE-wrenches]

We ran to an install by others that had a Radian 8048 for backup tied to a 
Generac auto transfer switch & the 12vdc from the Radian was the 12volt power 
source the Generac control card had died & we had to buy another Generac ATS & 
gut it to get another controller, they would not sell just the controller card. 
We installed the entire switch gear & controller.

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
Nice.  I’ve considered using a little jump battery once or twice but still 
haven’t had to.
I put on my calendar ~3 years replace all gen-start FLA batteries because 
the consequences of them going dead are pretty bad.  Curious if you guys think 
3 years is a good rule of thumb.
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] SolarEdge Battery question

[Dana Orzel via RE-wrenches]

Hey Jason are you "battery Certified" SE is pretty sticky on this point. As to 
your Q I have not had to deal with this issue.

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
For you SolarEdge pros...

I have a new client with dual 7.6kW Home Hub inverters and single SolarEdge 
battery. They have been replacing inverters left and right under warranty, but 
now have at least one working with the help of a local electrician friend. I 
helped them swap it in the monitoring portal remotely because SolarEdge refused 
to help them. They are stumped now and can't get the battery to charge with 
solar, so I'm being brought in for an on-site diagnostic. SolarEdge is not my 
strong suit. I have replaced many HD Waves, but never worked with their 
batteries, which are not popular here. Before I go out on Thursday I was hoping 
to do some research and go in with some better knowledge.

The battery SOE is 0.17% according to the owners SetApp. The self test fails 
due to the low SOE, and the owner can't get the inverter set up to charge the 
battery as a result.

Is there a process for dealing with very low SOE and how can I get this thing 
charging from the one good inverter?

Jason Szumlanski
Florida Solar Design Group
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] Idiots guide to communication

[Dana Orzel via RE-wrenches]

Hey allyall 
call me a dinosaur!
having lost AEE and the yearly dealer training I’m finding it hard to keep up 
with some of the movement forward in equipment communication and I’m wondering 
if there’s any recommended idiots guide to the various types of equipment 
communication that are out there
Dana Orzel - d...@solarwork.com - 208.721.7003
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] General Liability insurance for solar installation

[Dana Orzel via RE-wrenches]

I know this question has been covered in the past & My Liability insurance 
renewal is coming up & I am looking for fresh information, please:
Not all insurance companies cover solar & roof top installations.

Who do you use for General Liability?
Would you recommend them?
Issues with coverage i.e. roof top installs?


_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Panel installation in snow country 0.02

[Dana Orzel via RE-wrenches]

My Wattsun trackers are programmed to go as steeply vertical as they can for 
the winter and it’s dramatic comparing how quickly my array is clear 
organically versus other assorted angles angle is critical
Dana Orzel
C: 208.721.7003
E- d...@solarwork.com

On Dec 8, 2024, at 7:45 AM, Daryl DeJoy via RE-wrenches 
 wrote:


On my own arrays in Maine, I always tilted the old Direct Power and Water top 
of pole mounts to the maximum 60 degrees and spent half an hour giving them a 
good coat of Rain-X in the late fall. They seemed to shed snow much better 
until the later snows in March when I was unwilling to get back up there and 
recoat.

Daryl DeJoy
NABCEP Certified PVIP since 2006
Island Energy Storage

[https://s-install.avcdn.net/ipm/preview/icons/icon-envelope-tick-round-orange-animated-no-repeat-v1.gif]<https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
  
Virus-free.www.avast.com<https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>

On Sun, Dec 8, 2024 at 9:05 AM david quattro via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Here is a very interesting video about vertically mounted bifacial modules - 
performing surprisingly well.
https://www.youtube.com/watch?v=xD1MT-ek05w





On Sat, Dec 7, 2024 at 4:36 PM John Blittersdorf via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
I'm starting to think that Vertical panels are the only sure fire way to keep 
them clear.  I did a small cabin years ago with 2 panels on the south wall of 
the cabin.  All they wanted is a few lights and cell phone charging
and rarely  used in the winter. It worked great.  Their Trace 1200 watt 
inverter was turned off when they were not there and the C40 kept the batteries 
charged over the winter without any problems.  Now I am
stressing over an unreachable camp on an island (you may know this one Kirk) 
where I updated a 12V system with outback inverter and about 1kw of solar which 
had been shut down in the winter months.  I replaced the inverter with
a VFX3648, added an FM100, Installed 5 kw of PV on a ground mount at 45 degrees 
(mistake- should have done 60 degrees or more with more space at the bottom but 
assumed not much snow there, all to run a Starlink and Optics monitoring and 
lots of cameras.  60 days into this saga today at 4 pm, the signal was lost. Is 
it snow or ice on the panels, or just lack of enough sun (which has been 
minimal)  which caused low battery cutoff. Batteries are new AGMs and I set 
cutoff at 45.2.  I didn't want to run them too low. If I had some of the panels 
vertical and 4' above the ground, I could probably be assured that snow would 
not stay on long. Our problem here in Vermont is that when the clear
weather arrives, it usually comes with frigid cold and ground and pole mounts 
are kept frozen by the ambient temperature until the sun can warm them up but 
that doesn't happen with 6" on snow on the face. Only above freezing
temperatures or still air with intense sun will clear them.  I'm working on a 
ground mount now that was started by a previous owner of a property where the 
base for the ground mount array is a post and beam substructure 4 to 8 feet 
above the ground. I'm thinking about putting 4 panels vertical and 4 at 45 
degree angle on the north edge of the structure and 8 panels at a summer angle 
on the South edge with adequate space for snow shedding. .  We have a temporary 
array at Approx 35 degree angle that has somewhat shed the snow but with no 
space for snow buildup, the shedding stops.

 I am planning to build a fence around my garden this summer with PV mounted 
vertically with the stacks of 110 watt modules I have accumulated from 
repowering pole mounts. South and North side of garden facing south and the 
east and west sides facing east and west. Any thoughts on this crazy idea?

John Blittersdorf
Off Grid Vermont



On Fri, Dec 6, 2024 at 1:51 PM Dana Orzel via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Having installed at up to 13,200’ elevation (60° rack mount) and in snow 
country for most of most of 37 years and dealing with installations by others 
that almost or completely come off the roof here is my 0.02:

Low angle roofs less than 35deg seem to take on most of the damage incidents. 
Avalanches are most prevalent at 32-35+deg. Avys tend not to slide at less than 
32 deg.
Is the lower edge of the array shaded or partial shade on part of the array 
with the low angle winter sun? This allows for ice up on the bottom edge or on 
a section of the array.
Is there a drop zone for the snow? I use 5’ min below the leading edge for a 
mountain install I would increase this to higher.
I know this sounds obvious - Is there a snow fence or obstruction (door shed 
roof) below the array?

I now install esp

Re: [RE-wrenches] Attaching Ground To Steel Frame

[Dana Orzel via RE-wrenches]

I would like to suggest you contact Heary Brothers 
https://www.hearybros.com/
They have designed and I have installed Lightning Protection at almost 11,000 
foot elevation that literally the owner has said in the middle of a lightning 
storm. He has seen lightning shooting down on all sides of his house and the 
house was never struck and the solar away was never affected.
I had my concerns when I first installed the system, and after his testimonial, 
I was firmly convinced these guys really know what they’re doing
Dana Orzel - d...@solarwork.com - 208.721.7003

On Jan 28, 2025, at 7:35 PM, Mark Frye via RE-wrenches 
 wrote:


Thanks Everyone for your feedback.

I will try and respond to all here.

The skid is a stand-alone power supply for GPS equipment that will be deployed 
to large scale solar installation sites.

It will not be subject to UL or NEC requirements, all though I do try to keep 
them well in mind.

It will be a welded steel frame that will be dropped on the ground at a 
propitious location on a job site and left in operation for 3 to 18 months at a 
time.

The power supply is a AGM battery/PV system driving 12VDC and 24VDC busses for 
various radio equipment.

There will be two 8’ copper clad rods installed near the skid, about 6 feet 
apart to establish a system and a lightning grounding electrode.

The unit will have a UHF antenna lofted to 20 feet and the coax cable will lead 
to a lightning protection device with will in turn be connected to the 
lightning GE with a GEC.

The steel frame will have a stud for attaching a GEC that will run to the 
system GE.

The negative of the battery bank will attached to its own stud on the frame. An 
equipment grounding conductor will also run to this stub. This EGC and the 
Battery “-“ run back to a control panel that houses the power electronics 
including MorningStar Genstar DC System Controller.

My quandary is how to fabricate the two studs on the frame in a way that I can 
have durable connections to the GECs.

I like welding SS bolts to the mild steel frame and using SS hardware.

I have had one welding shop tell me that this is no big deal as long as you use 
a TIG and a 309L rod.

I can also just have a mild steel bolt welded to the frame, wire brush the stud 
before applying No-Ox, and tightening on a cable lug or compression lug with SS 
hardware.

That is the tempest which resides in in my tea cup.

Mark

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Outback equipment direct from China??

[Dana Orzel via RE-wrenches]

>From Ryan Warrick Outback National Sales Manager:

This isn't ours.  Looks like a Chinese knockoff.  I can forward to the powers 
that be and see what they say.
Ryan Warrick
National Sales Manager

FYI - Outback is replacing my Dead FM-100 in late March. I did have to source & 
purchase a replacement [Zonna Energy]. I am back up in operation. Guess I will 
have& keep a spare backup.
Ryan said that new FM-100s will be available to all by Late March, in theory... 
Fingers crossed.


_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
I was looking for sources of Outback equipment and found this:
https://www.fangpusun.com/fangpusun-flexmax-mppt-charge-controller-100a

Anyone heard about this?  Are they the supplier to Outback?

John Blittersdorf
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Blue Planet Energy Alternatives

[Dana Orzel via RE-wrenches]

Sol-ark & Pytes seamless

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
Discover and Sol-Ark pair well together in closed loop. Minimal fuss with 
programing. My understanding is that the Midnite battery is best used with 
their AIO.

On Tue, Dec 10, 2024 at 2:48 PM MDElectricSolar via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Sol-ark 15k easy.
Michael D Nelson
MD Electric & Solar, Inc.
707-684-0064 mobile
707-884-1862 office
www.mdelectricsolar.com
www.facebook.com/mdelectricandsolar


On Dec 10, 2024, at 1:45 PM, Sam Haraldson via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:


Thank you to all of you for these recommendations.  We'll be analyzing these 
suggestions carefully.  We have multiple Fortress installs in our portfolio and 
lots of Midnite BOS but haven't yet used their AIO nor battery products.  We 
would be new to any of the products from Pytes or Discover.

https://discoverbattery.com/products/lithium-batteries
https://www.midnitesolar.com/products.php?menuItem=products&productCat_ID=67&removeSearch=remove
https://www.pytesusa.com/
https://www.fortresspower.com/

I don't wish to take up too much of y'all's time but if you have further 
commentary regarding the following questions I'll happily take it.


  1.  Did you employ this battery technology alongside a Sol-Ark inverter or 
did you opt for a different brand ecosystem?  And if so, which?
  2.  How well has the initial programming of whatever inverter architecture 
you used maintained the load demands and battery health?  How long has the 
system been in operation?
  3.  If you used Sol-Ark inverters was the programming done in open or closed 
loop?

Sincerely,
Sam
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org



--

Michael Morningstar


Morningstar Electric Inc

PO Box 1494

Mount Shasta, CA 96067

530-921-0560

CSLB 1116835

mjmornings...@gmail.com

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Outback Company status

[Dana Orzel via RE-wrenches]

REF Outback
Out of curiosity are the old tech support #s good or is there new #s?

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
I just spoke with Chirs in Outback tech support. If you have ever called tech 
support there's a 90% chance that you spoke with him.

He says that they are indeed rebuilding the company under the new ownership. 
They are way backed up on tech support return calls, have about 5 people in 
training to answer calls. The have moved the service center and manufacturing 
to Texas and are training the employees at the new location.
But the company is still very much around but have a way to go before they are 
where they once were.

And that's the new from Lake Woebegone.


Wayne Irwin
President
License #CVC56695
State Licensed Solar Contractor
Pure Energy Solar International Inc.
wa...@pureenergysolar.com
PureEnergySolar.com
SolarChargingStation.com
352 377-6527 Office
352 336-3299 Fax


The Sun Is Always Shining!

The content of this message is Pure Energy Solar Confidential. If you are not 
the intended recipient and have received this message in error, any use or 
distribution is prohibited. Please notify me immediately by reply e-mail and 
delete this message from your computer system. Thank you.

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Panel installation in snow country 0.02

[Dana Orzel via RE-wrenches]

Starting last winter on Powder mornings I have been using my Milwaukee M18 leaf 
blower to clear the truck of snow. This conversation got me thinking about 
using this for my tracking array too...

Thanks again for the conversation

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com<mailto:d...@solarwork.com>
W - www. greatsolarworks.com www.solarwork.com<http://www.solarwork.com/>
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
Howie, We have never tried active ice melting systems, but did have a client ( 
USCG) try various methods and ultimately gave up for a variety of reasons. 
Based on that hearsay evidence I would advise against attempting any sort of 
active Ice melting system. For what it is worth wind farm operators used to use 
Mop and Glo on turbine rotors to help shed Ice, dirt, and insect contamination 
and it resulted in noticeable improvement. I have not heard of anybody trying 
that on Solar, but it would be an easy cheap experiment to treat one or two 
panels in an array to get a comparison.
Pieter Huebner
Project Manager
Off Grid Enterprises

From: RE-wrenches  On Behalf Of 
Howie Michaelson via RE-wrenches
Sent: Friday, December 6, 2024 1:30 PM
To: RE-wrenches 
Cc: Howie Michaelson 
Subject: Re: [RE-wrenches] Panel installation in snow country 0.02

I always love how what I imagine to be a simple question often sparks a much 
wider, interesting conversation on this list.
In this instance, I am dealing with an off- grid client in a colder, snowier, 
cloudier section of Vermont, but not an extreme environment. The panels are 
mounted on a fixed, 35 degree rack.

The client is asking if putting heat pans behind the panels would be ok and 
useful for dealing with sticky snow/ice scenarios.  Having never looked into 
the option, assuming it was probably a bad idea,  I told him as much.  But, of 
course he found an internet site that advertises such things specifically for 
solar panels.

I was fairly skeptical, but since I really had never truly vetted the idea, I 
figured I would asked all you esteemed colleagues if anyone had any direct 
experience or knowledge of such things.

So that is what I'm wondering about.  Has anyone here had any direct, indirect 
or hearsay knowledge about devices for melting some amount of snow or ice build 
up off of panels? I'm not thinking this would be the primary method of clearing 
them, only a way to help get a sticky layer to release. I imagine it would be 
controlled by a simple on/off switch that the owner deals with as he deemed 
necessary.

I am happy to hear everyone's stories about design, methodology, or 
recommendations for dealing with snow,  since this is an ongoing concern in 
this part of the world (and hopefully will continue to be), but at the moment I 
am most interested to get feedback about methods of melting snow.

Thanks as always,
Howie
Sun Catcher

On Fri, Dec 6, 2024, 1:52 PM Dana Orzel via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Having installed at up to 13,200’ elevation (60° rack mount) and in snow 
country for most of most of 37 years and dealing with installations by others 
that almost or completely come off the roof here is my 0.02:

Low angle roofs less than 35deg seem to take on most of the damage incidents. 
Avalanches are most prevalent at 32-35+deg. Avys tend not to slide at less than 
32 deg.
Is the lower edge of the array shaded or partial shade on part of the array 
with the low angle winter sun? This allows for ice up on the bottom edge or on 
a section of the array.
Is there a drop zone for the snow? I use 5’ min below the leading edge for a 
mountain install I would increase this to higher.
I know this sounds obvious - Is there a snow fence or obstruction (door shed 
roof) below the array?

I now install esp. on lower angle roofs a mid-third rail & use 50% more contact 
to the roof points (cheap array life insurance).
If using a micro inverter or optimizer – attach this to the panel so it flexes 
with the panel if necessary not the rail mount system. Watch out for bolts that 
stick up close to the back sheet.

Happy Hollar Daze all!
_
Dana OrzelGREAT SOLAR WORKS!
C – 208.721.7003  E – d...@solarwork.com<mailto:d...@solarwork.com>
W - www. greatsolarworks.com<http://greatsolarworks.com> 
www.solarwork.com<http://www.solarwork.com/>
“Responsible Technologies for Responsible People since 1988!”




-- Forwarded message --
From: jay pozner via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>>
To: RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>>
Cc: jay pozner mailto:j...@outpostreconcepts.com>>
Bcc:
Date: Fri, 6 Dec 2024 17:39:42 +
Subject: Re: [RE-wrenc

Re: [RE-wrenches] Outback radian inverter with FM 100 ground fault

[Dana Orzel via RE-wrenches]

Yes I have 2 FM100s
Dana Orzel
C: 208.721.7003
E- d...@solarwork.com

On Jan 18, 2025, at 7:08 PM, Kirpal Khalsa via RE-wrenches 
 wrote:


Dana...
Do you have multiple FM 100s? If so only one should have the GFI fuse.
Broken panel with water getting into glass?
Turn it off and wait 5 min and turn it on.  Usually clears it especially if 
it's a faulty nuisance trip.
Have had numerous FM 100s give faulty afci errors.  Removing the.afci boards 
always resolved this issue.  But of course check all you connections leading to 
and from the cc.
Keep a few extra 1A gfi fuses handyyou may need a couple to test it all out.
Keep us posted.
Good luck
Kirpal


On Sat, Jan 18, 2025, 2:40 PM Dana Orzel via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Hey, all you wise ones,
37 years in the business and I’ve never had a ground fault ever in any 
installation I’ve done or my home systems. I went out to my system here an hour 
ago and one FM 100 is completely turned off claiming ground fault on the mate 
3S.
I guess my first question is :

Is this really a ground fault ?

I had removed the ground fault breaker when I upgraded due to space 
considerations

In my entire time in this business, I’ve never had to deal with the ground 
fault any suggestions on how I should be tracing this?

Has anybody seen this in an FM 100 when it wasn’t a ground fault?

I do own a megger&  I’ve never had to use it. I only bought it about three 
months ago cause it seemed like a good idea and I might need to use one 
someday, Maybe I’m psychic ?
now if I could just figure out how to trace this out.
All suggestions welcome thanks all!

Dana Orzel
C: 208.721.7003
E- d...@solarwork.com<mailto:d...@solarwork.com>
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org<mailto:RE-wrenches@lists.re-wrenches.org>

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] 120-240 Transformer loud vibration and humming.

[Dana Orzel via RE-wrenches]

Years ago, I remember hearing an outback 240 V transformer making all sorts of 
noise on an old well pump like 30+ years old when the pump was replaced, the 
transformer calm down that would be my vote
Dana Orzel - d...@solarwork.com - 208.721.7003

On Jan 24, 2025, at 7:02 AM, Steve Higgins via RE-wrenches 
 wrote:


Well, John, that's strikes 1,2 and 3 for me;  I can't think of anything else 
causing the noise.

[https://i.imgur.com/YIluKhq.png]
Steve Higgins ⋅ Technical Services Manager
t +1.902.597.4020  m +1.206.790.5840
f +1.902.597.8447  e st...@surrette.com
[http://cdn3.iconfinder.com/data/icons/free-social-icons/67/facebook_square_gray-24.png][http://cdn3.iconfinder.com/data/icons/free-social-icons/67/youtube_square_gray-24.png][http://cdn3.iconfinder.com/data/icons/free-social-icons/67/linkedin_square_gray-24.png][https://cdn3.iconfinder.com/data/icons/free-social-icons/67/instagram_square-24.png]

CONFIDENTIALITY: The information transmitted herein is intended only for the 
addressee and may contain confidential, proprietary and/or privileged material. 
Any unauthorized review, distribution or other use of or the taking of any 
action in reliance upon this information is prohibited. If you receive this 
email in error, please contact the sender and delete or destroy this message 
and all copies.



On Thu, Jan 23, 2025 at 7:36 PM John Blittersdorf via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Steve,  I took my scope meter today and checked wave forms at all points.  All 
were clean sine waves. I checked the breaker connections and all connections 
back to the inverter and all were tight.
Voltage drop when pump kicked on was small and only about 1 volt when running. 
Amp were 12 on both legs.

On Thu, Jan 23, 2025 at 9:48 AM Jay via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Are the amps leg the same?
Jay

On Jan 22, 2025, at 9:29 PM, Steve Higgins via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:


How do their clocks run?   Is the Xfmer quiet down when the generator runs?

If you have an O-scope, check the output waveform off the inverter. My guess is 
that the output waveform will be deformed, causing extra noise for the Xfmer. 
You might be able to see this on the frequency as well. It should be solid at 
60Hz, but if it's drifting or way off the high side, FETS have probably failed.

If you pull the top cover off the inverter the and you look at the FET board, 
it'll be the fets closest to the Fan on the AC board.




Steve Higgins




On Wed, Jan 22, 2025 at 7:32 PM John Blittersdorf via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Christopher,
Update on the Transformer Humming.  Installed a new PSX-240 from Kirk and it is 
LOUDER than the T-240 that I took out.
I have a call into the well driller to see if they have a record of the pump 
size or other details. When connected
directly to the grid via transfer switch, still loud noise... same with battery 
only.  I did not check the 120VAC 30 amp break
in the backed up loads sub panel. All other wiring was redone as I switched the 
pump directly to the grid until I received the
new transformer and back to the inverter again. so all the connections were 
redone except the 120 breaker.

John


On Wed, Jan 22, 2025 at 10:30 AM Howie Michaelson via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
John,
If you need a T240 (internal or external), I have a few used ones (and maybe a 
new one) in storage.
Howie


On Wed, Jan 22, 2025, 10:14 AM Christopher Warfel via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
I could be a loose electrical or mechanical connection. It's been
installed for a while and connections could have loosened up from
expansion and contraction.

On 1/18/2025 9:06 AM, John Blittersdorf via RE-wrenches wrote:
> Hi Wrenches,
>   I have a c

[RE-wrenches] Outback radian inverter with FM 100 ground fault

[Dana Orzel via RE-wrenches]

Hey, all you wise ones,
37 years in the business and I’ve never had a ground fault ever in any 
installation I’ve done or my home systems. I went out to my system here an hour 
ago and one FM 100 is completely turned off claiming ground fault on the mate 
3S.
I guess my first question is :

Is this really a ground fault ?

I had removed the ground fault breaker when I upgraded due to space 
considerations

In my entire time in this business, I’ve never had to deal with the ground 
fault any suggestions on how I should be tracing this?

Has anybody seen this in an FM 100 when it wasn’t a ground fault?

I do own a megger&  I’ve never had to use it. I only bought it about three 
months ago cause it seemed like a good idea and I might need to use one 
someday, Maybe I’m psychic ?
now if I could just figure out how to trace this out.
All suggestions welcome thanks all!

Dana Orzel
C: 208.721.7003
E- d...@solarwork.com
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Attaching Ground To Steel Frame

[Dana Orzel via RE-wrenches]

Is anything to be buried?
Concrete?

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
Folks,

I am going to have a steel frame for my stand alone power supply to be dropped 
on the ground out in the elements.

I was planning to weld a stainless bolt to the mild steel frame to provide a 
corrosion resistant point of connection.

I am getting a lot of push back on this.

What are other folks do to create a connection for a system grounding electrode 
conductor on a piece of equipment like this?

Thanks,

Mark Frye
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Generator Overvoltage Troubleshoot

[Dana Orzel via RE-wrenches]

I’ve chimed in on this connection before I have an Onan 20 KW an  analog unit - 
25 years old and I had it completely rebuilt prior to moving to Idaho and then 
after a couple of years, the voltage got really unstable. I dealt with ASAP 
they got me a they got me a replacement new not ORM voltage regulator that has 
been absolutely perfect
Here is their phone number these guys were super super helpful.

(717) 274-9396

Dana Orzel
C: 208.721.7003
E- d...@solarwork.com

On Jan 3, 2025, at 1:52 PM, Darryl Thayer via RE-wrenches 
 wrote:


Here is my two cents I had a similar over voltage. It was caused by the 
generator. It helped to put a load on the generator, I put on a 500 watt 
resistance load, it helped but in the end the generator was replaced.  Good 
luck.

On Fri, Jan 3, 2025, 8:17 AM Jim Gowdy via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Hi all,
 I need some help with a generator overvoltage troubleshoot.  I'm working 
on an outback offgrid system that consists of 2 x Radian GS8048a, 1 x MATE3S 
controller, 1 x FM 80 charge controller, 1 x 55kw single phase propane AC 
cummins generator, about 4kw of solar *not sufficient enough to keep up with 
the load, and 24 x 4v Rolls batteries series/paralleled to make 48v.  The 
generator was rebuilt and the batteries replaced about a year ago and since 
then, the generator has been faulting due to overvoltage.  I had help and first 
found that the MATE needed calibrating so that was done, but the generator 
still was faulting.  I found changing the AC Input Charging from 30a to 20a 
seemed to work.  I put a power monitor on the generator output and found that, 
with the AC Input Charging set at 30a, noticed that there was a voltage spike 
up to 300+V at about a 70a draw.  The generator company put a load bank on and 
verified the generator may not be at fault and the problem is after the 
generator.  Has anyone encountered a problem like this and have suggestions?  
I've attached a PDF with a timeline of what I've done for troubleshooting so 
far.

--
Jim with Gowdy Electric
Cambria, Ca 93428
business  805 927 2630
cell  805 975 5279
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Outback OpticsRE+Starlink redux

[Dana Orzel via RE-wrenches]

Parallel comment:
Starlink & Solark - Starlink comes setup as 5G : to run Solark on Starlink you 
need to split it to 2.3/2.5 G in the settings section. Would this Help Optics?

Dana Orzel - d...@solarwork.com - 208.721.7003

On Feb 22, 2025, at 9:50 AM, Dan Fink via RE-wrenches 
 wrote:


Esteemed Wrenches - can anyone provide me with recent updates as to how 
Starlink is working with outback OpticsRE currently? I tried it on a nightmare 
offgrid system last year, it didn't work, I called Outback tech support, they 
said it was an issue, and they were working on Mate3S firmware updates, and 
then they were sold to the EG4 folks who are non-responive.

I have a remote nightmare system that I thought I finally fixed over a year 
ago. The internet connection is DSL (yepper, the 1990s are calling and want to 
laugh at me) and I fixed the problem for about a year by keeping just OpticsRE 
and the Resol solar thermal on the old DSL, and moving all mobile device 
traffic to Starlink.This a southern Colorado "Santa Fe" style estate with 
rebar-embedded concrete walls that block all wifi. All Outback Optics is 
hardwired LAN, with a fiber optic LAN system installed just for Outback because 
the over 50 foot distance didnt work.

Now it is misbehaving again, on the DSL. Stays connected for 4-6 hours, then 
drops. Homeowner trained the housekeeper to reboot the Mate3S, works for 4-6 
hours then drops, she only goes there once a week or 2. Can I try again to 
connect the Mate3S hardwired to Starlink, or will it be once again a futile 
waste of my billing hours as was last time?

I'm just happy the homeowner is a very nice guy and OK with paying my bill for 
so many site visits, even when those visits don't fix the problem. That's a 
rare situation, many other clients would be suing me.

But when I started in this business in 1994, there were no solar monitoring 
LANs and only horribly slow satellite links that wouldn't do data. I would 
never have known what that even meant. Now, seems like I am doing more LAN 
networking work than PV volts amps watts. And this is FLA batteries, not 
LiFePO4 and no BMS.

What a strange new world we live in.

Owner, Buckville Energy Consulting LLC
IREC Certified Instructor for PV and Small Wind Installation
NABCEP Certified PV System Inspector
NABCEP PV Associate
danbo...@gmail.com
970-672-4342


___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] Offset charge rates vs system sizing to meet 100% production

[Dana Orzel via RE-wrenches]

I am wondering if anyone else has this offset on Kwhr net meter discrepancy & 
how to design accurately design for this discrepancy.
Idaho Powers' version of net metering goes like this: 1 KW received from IPC 
charge is $ 0.09/Kwhr & solar input into the grid you are credited $0.04/Kwhr.
The difference is 44.44% in the exchange for purchased vs solar export rate.

So, will oversizing the solar system by 44% to achieve a goal of 100% 
production of a client's current 100% usage achieve this goal?



_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Offset charge rates vs system sizing to meet 100% production

[Dana Orzel via RE-wrenches]

Kwhr translates to $, this for net metering with no battery backup. Ultimately 
it is about meeting production.
So if someone needs a 12 kw sized system to meet 100% of their yearly power 
consumption with equal net metering, when it is unequal how much additional 
needs to be produced when there is a 44% differential? Does that make sense?

Dana Orzel - d...@solarwork.com - 208.721.7003

On Feb 22, 2025, at 8:43 AM, Jay via RE-wrenches 
 wrote:


Hi Dana.

Do you mean offsetting the $ amount or the kWh amount?
Jay

On Feb 22, 2025, at 8:33 AM, Dana Orzel via RE-wrenches 
 wrote:


I am wondering if anyone else has this offset on Kwhr net meter discrepancy & 
how to design accurately design for this discrepancy.
Idaho Powers’ version of net metering goes like this: 1 KW received from IPC 
charge is $ 0.09/Kwhr & solar input into the grid you are credited $0.04/Kwhr.
The difference is 44.44% in the exchange for purchased vs solar export rate.

So, will oversizing the solar system by 44% to achieve a goal of 100% 
production of a client’s current 100% usage achieve this goal?



_
Dana OrzelGREAT SOLAR WORKS!
C – 208.721.7003  E – d...@solarwork.com<mailto:d...@solarwork.com>
W - www. greatsolarworks.com www.solarwork.com<http://www.solarwork.com/>
“Responsible Technologies for Responsible People since 1988!”

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Re: [RE-wrenches] Offset charge rates vs system sizing to meet 100% production

[Dana Orzel via RE-wrenches]

Agreed -time of day vs. usage, home all day vs working folks.
IPC monthly kwhr excess rolls over month to month with a reset in January that 
at which time you need to request that the roll over continues (for a $10 fee) 
or they clear the excess to 0 & you start over building your credit bank up.

Dana Orzel - d...@solarwork.com - 208.721.7003

On Feb 22, 2025, at 9:23 AM, Mac Lewis via RE-wrenches 
 wrote:


Hi Dana,

If I understand your situation correctly, this can get complicated and depends 
on how the usage pattern is.  A user that consumes during the day will need a 
smaller system than one that consumes when the sun isn't shining.  Usually it's 
not one or the other but a blend of course..

I think it means that anytime you are spinning the meter backwards, you get 
about 4/9 credit that can be applied to your bill.  Your usage will be lowered 
1:1 when the sun is shining, but at the time of export, it will only get a 4/9 
return (the utility can't tell what is non-usage and what is production).

You can set up the bounds of the system size by saying,

What would the system size be if all usage occurs when the system is producing 
(the old net metering approach)? 1 usage:1 production
What would the system size be if all usage is at night?  In this case, you 
would need a system that produced 9/4 of the kWh to fully offset or a 
multiplier of 2.25.

To make it more complex, you would need to find out if credits carry forward 
month to month or if its trued up each month.

Utilities can make it hard to get data to size the system correctly, but I'd 
probably shoot for 130-150% for an average house where people work.
Its not very easy to sell solar now and give assurances at all.

On Sat, Feb 22, 2025 at 8:42 AM Jay via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Hi Dana.

Do you mean offsetting the $ amount or the kWh amount?
Jay

On Feb 22, 2025, at 8:33 AM, Dana Orzel via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:


I am wondering if anyone else has this offset on Kwhr net meter discrepancy & 
how to design accurately design for this discrepancy.
Idaho Powers’ version of net metering goes like this: 1 KW received from IPC 
charge is $ 0.09/Kwhr & solar input into the grid you are credited $0.04/Kwhr.
The difference is 44.44% in the exchange for purchased vs solar export rate.

So, will oversizing the solar system by 44% to achieve a goal of 100% 
production of a client’s current 100% usage achieve this goal?



_
Dana OrzelGREAT SOLAR WORKS!
C – 208.721.7003  E – d...@solarwork.com<mailto:d...@solarwork.com>
W - www. greatsolarworks.com<http://greatsolarworks.com> 
www.solarwork.com<http://www.solarwork.com/>
“Responsible Technologies for Responsible People since 1988!”

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org<mailto:RE-wrenches@lists.re-wrenches.org>

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org<mailto:RE-wrenches@lists.re-wrenches.org>

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org



--



Mac Lewis


"Yo solo sé que no sé nada." -Sócrates

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & et

Re: [RE-wrenches] Source for 600V Ethernet Cable

[Dana Orzel via RE-wrenches]

My last order was Late last April & they closed doors on May 1 or 3?? 2024

_
Dana OrzelGREAT SOLAR WORKS!
C - 208.721.7003  E - d...@solarwork.com
W - www. greatsolarworks.com www.solarwork.com
"Responsible Technologies for Responsible People since 1988!"

--- Begin Message ---
At least for the last 18 months no AEE !



Dave Angelini Offgrid Solar
"we go where powerlines don't"
   https://offgridsolar1.com/ 

e-mail  offgridso...@sti.net
text 209 813 0060


On 2025-02-25 11:12 am, Lou Russo via RE-wrenches wrote:

Aloha All,

Confirmed. AEE store website is down for us.

Aloha,

Lou Russo
(808) 756-6772


On Tue, Feb 25, 2025 at 8:52 AM Nick Lucchese via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
AEE had a reasonable amount left in their inventory clearance sale but when I 
tried to log in last week to view some of my account history it appeared the 
site has been taken down. Maybe others can confirm?

Good luck, Nick

On Tue, Feb 25, 2025 at 3:24 AM Jason Szumlanski via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Does anyone have a reasonably priced source for 600V cable to run through 
wiring troughs to parallel inverters?

Thanks,

Jason Szumlanski
Principal Solar Designer
Florida Solar Design Group
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org


___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: 
RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

--- End Message ---
___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

[RE-wrenches] Popping Sounds From Roof

[Dana Orzel via RE-wrenches]

I have a standing seam Corten roof (no exterior screws) of many lengths, 
longest is 49’.
When the roof transitions from shaded to sunny the roof “talks” , same when the 
roof goes from full sun to shaded esp in winter (cold ) there is more sound.
It’s not loud & we have 6-8” of spray foam so the sound is minor it just let’s 
us know the sky has clouds & sun.

Dana Orzel - d...@solarwork.com - 208.721.7003

On Mar 7, 2025, at 9:17 AM, Dave Angelini Offgrid Solar via RE-wrenches 
 wrote:



 I would investigate the roof !  The only thing that should be on an offgrid 
dwelling is snow, rain, or bird doo!




Dave Angelini Offgrid Solar
"we go where powerlines don't"
   https://offgridsolar1.com/ 

e-mail  offgridso...@sti.net
text 209 813 0060


On 2025-03-05 1:11 pm, Christopher Warfel via RE-wrenches wrote:

I have heard this too, no solar involved. Chris

On 3/5/2025 12:05 PM, Tyrone Houck via RE-wrenches wrote:

Screw down metal roofs are notorious for expansion/contraction 
issues...especially over long horizontal spans. It's possible that the array is 
actually fixing that section in place better than the rest of the roof(while 
simultaneously keeping that part of the roof cooler) . I would investigate the 
roof area adjacent to the array as it's likely to be heating up much faster 
than the area shaded by the array. Could be the sound of screws popping..

Best of luck!

Tyrone Houck
Oregon Solarworks LLC
CCB #204937 LRT #076
541-787-1366
tyr...@oregonsolarworks.com




On Wed, Mar 5, 2025, 8:48 AM Jason Szumlanski via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
They report that it is definitely coming from the roof and from opposite ends 
of the array. It's pretty random, but only earlier in the day and later in the 
day, which suggests the array and roof are heating and cooling. I don't believe 
it is electrical.

But it is interesting that you mention siding. Just before we installed solar 
panels, they had their house re-sided with hardy board siding. I suggested that 
maybe it was coming from the siding on the gable ends, but of course, they 
insisted that it only started when the solar panels were installed. I did find 
a piece of siding that was pressed up tight against a drip edge, and I found 
that to be a possible source. Without being there on the roof as it happens, 
it's hard to diagnose. They are reporting 1-2 dozen pops a day that they can 
hear clearly. I don't doubt that, but I question whether it is directly related 
to the solar panel installation.

For more context, they also reported something that sounded like banging in 
high winds, like a solar panel was loose. All of the panels were later found to 
be completely secure. I found a piece of aluminum soffit cover that was loose 
and could have been flopping around, but again, it's hard to tell when you are 
not there.

They are wrapping themselves all around the axle, probably thinking that we did 
something wrong. They even called S-5 behind our backs to see if the 
manufacturer could throw us under the bus. That turned out to be a fun 
discussion because S-5 suggested the them that adding more seam clamps might 
help. Of course, SolarFoot is not a seam clamp at all, which further confused 
the owner.

Jason Szumlanski
Principal Solar Designer | Florida Solar Design Group
NABCEP Certified Solar Professional (PVIP)
Florida State Certified Solar Contractor CVC56956
Florida Certified Electrical Contractor EC13013208

On Wed, Mar 5, 2025 at 8:51 AM Dave Tedeyan via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Jason,
You mentioning popping sounds reminds me of two separate systems that I was 
called in to service recently where the homeowner was reporting popping sounds. 
These were coming from the ground, not the roof, so it may not apply. Both 
systems were roughly 10 years old, and the original installer used PVC conduit 
off the roof. Water had been getting into the conduit and running down to the 
combiner (Enphase system). Things were quite corroded in the combiner panels 
and the sounds were coming from a failing breaker. It sounds like your system 
is newer, but maybe there is a bad breaker? In one case the customer was 
certain the noise was coming from the meter, but upon inspection I am nearly 
certain it was the combiner instead. These were more of an "electronic" popping 
noise though. If your popping noise is more structural have the customer listen 
out to see if it happens right when the sun comes out from a cloud, or goes 
behind a cloud. With vinyl siding or metal roofs, I'll sometimes hear the 
expansion and contraction but it has to be a very quick change in temperature 
and I only hear it on those quick transitions from sun to clouds.

Good luck tracking it down!
Cheers,
Dave

On Wed, Mar 5, 2025 at 8:12 AM Jason Szumlanski via RE-wrenc