Re: [RE-wrenches] More on AC coupling

Jay, Nope. We are stuck with just what they are offering in the US market - maximum of 4 units in single phase and 3 in three phase. A bummer for sure, considering what is possible in the 50 Hz version! Matt T jay peltz wrote: Hi Dana, So is the issue that any 120v 60 hz units are all

Re: [RE-wrenches] More on AC coupling - SI and SB

to offer, PLEASE email, phone and write to SMA Amerika (ho ho ho) to express your wishes. It can't hurt! Matt T Geoff Greenfield wrote: Matt- What is your prefered/recomended way to address the 240 VAC SB series (we typically dont want to use a bunch of 700s or 1800s) and the 120 V

Re: [RE-wrenches] More on AC coupling

UB right, Tump. These things aren't exactly something you will ever find at Home Depot! BUT, and it's a big one, if you count all the %$!#& time and energy usually required to design, fabricate and re-design a really good off grid system, the extra money might just be woth it

Re: [RE-wrenches] Module Voltage Question for Off-Grid Designers

My favorite is the Sharp 175 for off-grid and solar pumping applications; a sturdy, well built and consistent module for most applications. You can even get them fairly often! Matt T Kirpal Khalsa wrote: Allen..Greetingsyes indeed it is an issue. we have been addressing with multiple

Re: [RE-wrenches] Sample Power Purchase Agreements

mple you show them, make sure you are clear that it's ONLY A SAMPLE and the final version WILL be different. Depending on what you show them and who they end up dealing with as a PPA provider, the differences can be huge. Best of luck! $02001, Matt Lafferty gilliga...@gmail.com > I&#x

Re: [RE-wrenches] Adios Solar Pathfinder

We have had nothing but trave reviews on the Solmetric. Pricey, but they are replacing a LOT of pathfinders. Matt T jay peltz wrote: Hi Jim, bummer. I still like the pathfinder for just hand held use, quick and easy. for the easiest use with digital the solmetric is pretty nice ( one

Re: [RE-wrenches] mate issues AND MORE ISSUES

just a software problem that could be rectified without majorly re-work of the Mate? Matt T Tump wrote: Hey Jay, guess what I did yesterday in a Fu**(&& Blizzard! Yup that's right went to "fix" the gen no start feature on the OB. I reset the settings in the mate repoled it las

Re: [RE-wrenches] mate issues AND MORE ISSUES

sel genset. This thing would work fine when running through the program manually, but left on it's own would screw up randomly. Randomness is a difficult thing to pin down (unless you happen to be into quantum physics!). Once again, the Sunny Island is a very interesting option. Matt The Offi

Re: [RE-wrenches] Skystream 3.7 experiences?

also interesting to note that they won't sell any more SkyStreams after having "a negative experience" with SWWP. Matt T roger dixon wrote: I support and second the thoughts and comments Roy has voiced, as the real world experience does not yet marry up to the projections a

Re: [RE-wrenches] Skystream 3.7 experiences?

. Nicey nicey! By the way, I had a metting with these folks, during which I spent 99% of the time attempting to move them out of town, and into the proper environment for wind turbines. They argued back that the city is where all the money is. Nuff said? Have a great Christmas, Roger Matt roger

[RE-wrenches] Snowman Armed with Solar Powered Flamethrower

istration, practical joke gag-gift, thing to leave on your boss' desk when you get laid off, CEO/CFO bonus gift... Any other ideas? Pray for Sun! Matt Lafferty gilliga...@gmail.com <>___ List sponsored by Home Power magazine Lis

Re: [RE-wrenches] Snowman Armed with Solar Powered Flamethrower

ters report being impeded by the PV system. Which is what I started out looking for in the first place. I found Frosty instead. Would love to get into the archives on that "secret list" to see what they have to say about solar and their experiences there. $0.02001 Matt Lafferty gil

Re: [RE-wrenches] XW / Wind problem to be fixed by firmware update

ow some lattitude in the amps going to the grid, or is it pedal to the metal, regardless? If there is no control over the sell amps, seems to me that would be a good idea. Matt T Mark Edmunds wrote: Hi Wrenches - Just to clarify on this a bit... When we designed the XW we were always ass

Re: [RE-wrenches] Back feeding battery inverter with grid-tie inverter

The best way is to use a SunnyIsland. It's all automatic - no need for dummy loads. Matt T Jeff Yago wrote: I know this subject has come up before, but there have been several different suggested ways to handle the problem and I was hoping for easiest. We install lots of both on grid an

Re: [RE-wrenches] power factor meter

7;ID concrete lined steel pipe...) SMUD is here: https://usage.smud.org/EBSSExt/Default.aspx?SolDisplayType=BroadClass&SolBro adClass=Surplus (Currently no surplus sales pending) Hope this is helpful to anyone that might be in the hunt for some of this specialty gear. Be safe! Matt Lafferty g

Re: [RE-wrenches] Sealing roof attachments... Or not, as the case may be...

oint on a roof, that would be the roofing industry. By following their practices, you might have a leak, but the likelihood will be WY less to begin with and you won't be the "N-Guy". This isn't a moral judgement, it's a business judgement. Having this understanding shou

Re: [RE-wrenches] GPS units

pressure gauge on existing plumbing, but an altimeter is a close second and a GPS third. Matt T Jason Lombard wrote: William, Topographic maps are great if your familiar with them. A laser if you can afford it or the best I have heard of is fill a tube or pipe with water from the pump to your

Re: [RE-wrenches] Federal Tax Credits for Nonprofits

6 year period. For something of this size and nature, you really don't want to get too involved with finding and nursing an "investors group". Hope this is helpful, Matt Lafferty gilliga...@gmail.com Answer From Conrad: If you have the tax appet

Re: [RE-wrenches] Federal Tax Credits for Nonprofits

d to advise your intended clients to seek the advice of competent tax professionals before deciding to pursue any investment path. By the time they get done finding a competent tax professional and that person gets done reviewing the proposal, the price of c-Si should be down to $2/watt-peak, +/- man

Re: [RE-wrenches] Professional conduct

l parts list is not a great plan Matt T Jeff Yago wrote: We are seeing more and more installers entering the local solar market with little or no experience. Yes, they may have attended some kind of 2-day dealer training in order to set up an account to purchase solar hardware, but believe me,

Re: [RE-wrenches] Charge Controllers with greater than 150 V input

That will be the MidNite Classic, Peter. They aren't quite ready for production yet, but thaere are promising Beta units in the field. 200 VDC I understand. Matt T Peter Parrish wrote: I seem to remember mention a while ago of a quality charge controller that supports a higher input vo

Re: [RE-wrenches] Mounting to metal roofs and thermal expansion

which company it is, but it's a big one. Matt T Troy Harvey wrote: I was wondering what issues people have had screwing/bolting mounting feet to a metal roof with thermal expansion. I was looking at a european roof mounting foot and noticed they cut a hole in the metal roof, and screw t

Re: [RE-wrenches] Mounting to metal roofs and thermal expansion

You don't screw the roofing pans down through the pan, they are all held down with some kind of clip system; there are no roof penetrations, as the hold down screws are under the roofing. Matt T Troy Harvey wrote: I'm not talking about seam clamps (i.e. S5!), but rather the pr

Re: [RE-wrenches] Point of connection

capacity on a 200A buss. The vast majority of homes with 200A services don't come anywhere near 120A continous. There are some that do, so make sure you understand their big electric loads and how they use them. Otherwise, you can upgrade the service, as you mentioned. Aloha, Matt Lafferty gilli

Re: [RE-wrenches] HELP! prevailing wage classification?

n their supervisors just for a little insurance. 8. Request a hard date for when you can expect an answer. 9. Contact up the food chain and be a helpful pest. You don't want this to linger and you don't want to be on the bottom of the pile. Good luck! Matt L

Re: [RE-wrenches] Panel Fire

faking a label on them, you probably don't have to even apply for a rebate. You could have your kids just slapping cells onto plexiglass and putting clear shrink-wrap over the front and sticking them onto 1-1/2" aluminum angle for a frame. Just a thought Matt Lafferty gilliga...@gma

Re: [RE-wrenches] NABCEP

bers should be expected or required to answer on behalf of the organization or to forward a conversation and wait for a reply. I sit on a tech committee with a couple other Wrenches, and I ain't about to speak on behalf of the organization. NABCEP is of, to, by, and for Wrenches. Always has been.

[RE-wrenches] Beat your local AHJ's over the head if you have to...

.eastbayicc.org/ ICC Monterey Bay - http://www.iccmontereybay.org/ Best of luck out there! Matt Lafferty *Not convinced anything is going to help LA... ___ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options

[RE-wrenches] Online Document Search Tool

y of that xxx...?" items. Happy searching! Matt Lafferty ___ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Arch

Re: [RE-wrenches] 2 PV utility interconnect disconnects?

eter and disconnect locations based on the application. Doing the heavy lifting of writing it up and doing all the drawings basically took the "power to say no" away from distribution services and meter shop. Back then, there was an all out war over whether or not PV was gonna survive. Dist

Re: [RE-wrenches] Beat your local AHJ's over the head if you have to...

care what the source is, personally. I only care that we're collectively doing it a little better each day. Peace and Sunshine Wishes to all! Matt Lafferty -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org On Behalf Of Bill Brooks Sent: Wednesday, February 25, 2009 3:59

Re: [RE-wrenches] Efficient water softener?

only work during the regen cycle. Any but the smallest off-grid system can easily handle the energy required to run a standard, run of the mill softener, so I wouldn't be concerned. Matt T Bill Loesch wrote: David, Kurt, et al, If I am understanding your question correctly, the Kin

Re: [RE-wrenches] AC disconnect options

ting for a breaker under duress is nearly as desireable as an obvious "Red Handle". That's my position, whether or not the local utility requires it. Be safe. Be ethical. Don't be cheap! Matt Lafferty ___ List sponsored by Home

Re: [RE-wrenches] Lightning protection system

Hi Darryl, Just to see what your take would be, and other's - what would the case be should the modules have non-conducting frames (or even no frames)is the case with some systems on the market? Matt T Darryl Thayer wrote: Yes the electric power and atmospheric grounding systems shou

Re: [RE-wrenches] [s-w-h] Stimulus Plan Info

I would opt for "sort of new". Matt roger dixon wrote: AWEA's FAQ sheet addressing the Economic Stimulus Package states that for equipment to qualify for the 30% tax credit it must "generally" be new. Can anyone define this a bit better? Would anyone know if f

Re: [RE-wrenches] Battery Cables

erience can be shared. Wisdom does not come from a book. Regardless of our job title, we all have something left to learn. May we all gain wisdom along the way. Matt Lafferty Mostly Retired Solar Janitor ___ List sponsored by Home Power magazine List

Re: [RE-wrenches] Utility Side Feed In and Disconnects (was "Line Side")

macho to pissed off when one of them says, "Wait a minute... He's right. That building inspector don't know what he's talking about. The customer's load don't have nothing to do with the generation... Generation is our business." Thought I'd pass it along.

Re: [RE-wrenches] Unisolar US64's

As long as we're looking for out of print modules, could anyone who might have a line on 6 old SP 75's drop me a line off-list? Thanks, Matt T Mark Dickson wrote: Anyone know of a supplier in the states with some in stock? Mark Dickson Oasis Montana Inc. *From:* re-wre

[RE-wrenches] Keeping track of PV equipment failures

ng with a couple different versions because I think it's important to accentuate the positive. Will let you all know if and when I come up with something... Thanks for participating and Pray for Sun! Matt Lafferty SolarJanitor <mailto:solarjani...@gmail.com> PS - If anybody want me t

Re: [RE-wrenches] MPPT greater than 150V

Bob? RU there??? Matt r...@solar4maine.com wrote: Midnite solar has 2 beta units rated for 250 volt running out there. One is running on 12 kc130's in series and the other is running 10 solar world 24 volt panels 5 in series so 2 strings of 5. They will be installing

Re: [RE-wrenches] Hardware request

the troughs and your penetration is at the peak. Best of success! Matt Lafferty _ From: Allan Sindelar Sent: Thursday, March 26, 2009 11:02 PM To: re-wrenches@lists.re-wrenches.org Subject: [RE-wrenches] Hardware request Wrenches, We have an unusual roof application. It’s for a roof-

Re: [RE-wrenches] Inverter Data

ions back in the day, just to be ornery. Good luck! Matt Lafferty ___ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches

Re: [RE-wrenches] Tesla Powerwall 2.0 - Experience?/Generator charging

this situation (in an emergency we could manually transfer back to grid). I do know they now have a few approved generators for off grid. I just haven’t done that. Matt From: RE-wrenches On Behalf Of Jay Sent: Tuesday, July 21, 2020 11:53 AM To: RE-wrenches Subject: Re: [RE-wrenches] Tesla

Re: [RE-wrenches] Tesla Powerwall 2.0 - AC Coupling

o:re-wrenches@lists.re-wrenches.org> Subject: Re: [RE-wrenches] Tesla Powerwall 2.0 - Experience?/Generator charging That's going to be long extension cord for most off grid projects... Ray Walters Remote Solar 303 505-8760 On 7/21/20 12:11 PM, Matt Partymiller wrote: Jay, The Tesla Ga

Re: [RE-wrenches] Solar Edge...continuous saga of 181/183 hardware failures...moving on to another inverter.

solvable problem and I have some sympathy. Our customers that are on their third inverter in as many months are understandably skeptical. Matt From: RE-wrenches On Behalf Of Jay Sent: Friday, July 24, 2020 12:49 PM To: RE-wrenches Subject: Re: [RE-wrenches] Solar Edge...continuous saga of 181

Re: [RE-wrenches] Rooftop Conduit

. https://www.chalfant-obo.com/Chalfant/Product/Category/10 Not as inexpensive as plastic. Matt Matt Partymiller General Manager Solar Energy Solutions, LLC 877-312-7456 m...@sesre.com From: RE-wrenches On Behalf Of Dave Angelini Offgrid Solar Sent: Thursday, July 30, 2020 11:22 AM To: RE

Re: [RE-wrenches] rafter finding tool

I purchased one of these about a decade ago to find rafters. It doesn’t work. Irregularly, non-repeatable locations were given with each pass. I still advocate sending someone into an attic to measure prior to drilling any holes. That obviously doesn’t work on all roofs. Matt Matt

[RE-wrenches] Puzzle: Dryer does not work during FXR battery charging

ttery charging. Any thoughts are greatly appreciated. Thanks in advance! -- Matt Sherald PIMBY Energy, LLC NABCEP Certified Solar PV Installer® 304-704-5943 www.getpimby.blogspot.com www.getpimby.com ___ List sponsored by Redwood Alliance List Addres

Re: [RE-wrenches] Dr Pepper on Metal Roofs

adhere you to a roof. Good soda would probably disappear out of inventory quickly…. Matt Matt Partymiller General Manager Solar Energy Solutions, LLC 877-312-7456 m...@sesre.com From: RE-wrenches On Behalf Of Solar Energy Solutions Sent: Tuesday, August 25, 2020 1:43 PM To: Wrenches Subject

Re: [RE-wrenches] Modifying a plumbing vent

the pipe? Thanks for bringing this up. Matt Matt Partymiller General Manager Solar Energy Solutions, LLC 877-312-7456 m...@sesre.com From: RE-wrenches On Behalf Of Scot Arey Sent: Saturday, August 29, 2020 11:38 PM To: RE-wrenches Subject: Re: [RE-wrenches] Modifying a plumbing vent

Re: [RE-wrenches] Commercial three phase inverter @208V

Three Core 62s with a transformer is a great solution. Lots of Fronius 15s could work but you could buy a backup transformer for the difference. Contact me off-list if you need help finding transformers. SMA will also direct you to some good solutions if pressed. Matt From: RE-wrenches

Re: [RE-wrenches] Supply side denial

complaint with your PSC. Our KY PSC denied my complaint but promptly initiated a state-wide hearing on interconnection standards. Good luck. Matt From: RE-wrenches On Behalf Of Christopher Warfel Sent: Wednesday, October 28, 2020 6:48 AM To: re-wrenches@lists.re-wrenches.org Subject: Re: [RE

Re: [RE-wrenches] Sunpower monitoring site

Same issue for me. Can’t analyze any site lately. It has been that way over a month. From: RE-wrenches On Behalf Of Dave Tedeyan Sent: Wednesday, November 11, 2020 10:36 AM To: RE-wrenches Subject: [RE-wrenches] Sunpower monitoring site To the other Sunpower dealers out there, Is anyone el

Re: [RE-wrenches] PV direct EV charging

pull from (probably deeper than a battery bank or PV array can directly and consistently satisfy). -Matt On Mon, Apr 12, 2021 at 7:55 PM Mac Lewis wrote: > Sorry, I should have clarified, I am interested in EV charging with no > grid available. I think that Solaredge requires a grid > > O

Re: [RE-wrenches] Powerwall 2 AC PV regulation

monitoring system, though that may already be incorrectly configured and not monitoring the whole home if the system is backup only. Matt Matt Partymiller General Manager Solar Energy Solutions, LLC Lexington | Louisville | Bloomington | Cincinnati | Evansville | Indianapolis 859-312-7456 (Office

Re: [RE-wrenches] Exploding RSD Unit

produce catastrophic failure. Matt Matt Partymiller General Manager Solar Energy Solutions, LLC Lexington | Louisville | Bloomington | Cincinnati | Evansville | Indianapolis 859-312-7456 (Office) 877-312-7456 (General) m...@sesre.com Check out our amazing new website and social media updates

[RE-wrenches] Optical Sensor for Wattsun Tracker

replacement of the old dip-switch controller in addition. This seems a bit pricey so I'm fishing for a less expensive alternative. Many thanks!!! -- Matt Sherald PIMBY Energy, LLC NABCEP Certified Solar PV Installer® 304-704-5943 www.getpimby.blogspot.com www.getpimb

[RE-wrenches] Li Replacements for Lead-acid Bank

rand that works well with pre-Li electronics. Glad for any suggestions. Thanks in advance! The bank size is currently 1,110Ah/48V. The following electronics are installed: 2008 OB VFX 2012 OB VFX 2008 OB MX60 2012 MS Classic X2 2008 OB Mate 2010 Trimetric -Matt -- Matt Sherald PIMBY

[RE-wrenches] Battery Monitor for Li

Or is the Trimetric adequate - do I maybe just need to adjust the settings? Anyway, the implication that the Victron BMV was better at monitoring Li batteries has me curious and I will enjoy hearing what the group thinks. Thanks for your time! -Matt -- Matt Sherald PIMBY Energy, LLC 304-704

Re: [RE-wrenches] Head scratcher

n supply a load center with 120V ONLY circuits. -Matt On Tue, Oct 18, 2022 at 1:30 PM Kristopher Schmid via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > Hi All, > > I am hoping that someone on the list can help me think this one through. > > I have a client

[RE-wrenches] Attaching Array To or Through Ply

eing the case, I was considering other fastening options and am writing to pick the collective brain of the Wrenches to see how others have addressed similar situations. One thought I had was to use the PLP Easy Mounting Foot and I'd be glad for any opinions on that or another solution. -Matt

Re: [RE-wrenches] Attaching PV with VELCRO

method was mostly successful but had failed in a few areas resulting in edges coming up a bit and ponding on the laminates. Other failures to the modules were as significant as hook and loop failures. Far from the worst array I’ve seen. Matt Matt Partymiller General Manager Solar Energy

Re: [RE-wrenches] Underground fault finder

Hi Drake, I've rented a set-up from my electrical supply house. I'd check to see if Scott Electric/Advantage Rental serves your part of Ohio. If memory serves, it is two pieces of equipment that you need. One to trace the line and a second to find the fault. -Matt On Tue, Apr 18,

[RE-wrenches] Outback Board Repair

Hi All, I'm looking to move along some damaged Outback (GVFX and VFX) boards. I found an older thread referencing Kris Stone, but didn't have luck with the email. Any suggestions would be appreciated. Thanks! -- Matt Sherald PIMBY Energy, LLC 30

Re: [RE-wrenches] OutBack inverter repair.

Hi Dave, I sent an out-of-warranty GVFX to Outback late last year. I'd personally replaced all three boards and still no joy. The repair cost was reasonable ~$450, but UPS was a steep way to ship it. -Matt On Wed, Apr 17, 2024 at 10:59 AM David Palumbo via RE-wrenches < re-wrenches@

[RE-wrenches] In Need of Panasonic 330W HIT

Hello All, I'm fishing for a Panasonic 330W HIT module. If you happen to have one that you'd like to sell please let me know off list (m...@getpimby.com). Thanks!! -- Matt Sherald PIMBY Energy, LLC m...@getpimby.com 304-704-5943 ___ List sp

[RE-wrenches] Grundfos SQFlex Pump Repair

? The pump I removed did move a little water once I had it un-coupled from the plumbing in the lower cistern spring box. It made a bit more noise when operating than the new one which is incredibly quiet. Any suggestions are greatly appreciated. Thank you! -- Matt Sherald PIMBY Energy, LLC 30

Re: [RE-wrenches] SolarEdge Site Transfers to New Contractor

since most RMAs are granted remotely – which gets us to one truck roll. It would be nice if their support line could do this in minutes though. Matt Matt Partymiller General Manager Solar Energy Solutions, LLC Lexington | Louisville | Bloomington | Cincinnati | Evansville | Indianapolis 859

Re: [RE-wrenches] APS rapid shutdown

have their most recent manual. Regards, Matt Matt Partymiller General Manager Solar Energy Solutions, LLC Lexington | Louisville | Bloomington | Cincinnati | Evansville | Indianapolis 859-312-7456 (Office) 877-312-7456 (General) m...@sesre.com Check out our amazing new website and social media

Re: [RE-wrenches] Inverter ratings exceeding 25kw fir battery backup

interlock kit to turn off the main and turn on the bypass on the non-backed up panel. I’ve heard of an 800A home that operates on that principle. I think the three non-backed up (or maybe non-instantaneous) panels are fed by 60A circuits off the backed-up panel. Savvy clients only…. Matt From

Re: [RE-wrenches] Inverter ratings exceeding 25kw fir battery backup

Jason, Sounds like an interesting market. A transfer switch is probably more expensive than two Tesla vehicle chargers, one for each system. He just needs to remember which one to plug into and you just need to sell at least 4 PW3s, a couple gateways and you’re in business…. Matt From: RE

Re: [RE-wrenches] SolarEdge Has Gone Too Far

margin to effectively captive customers. Meanwhile, as the installer, we were stuck fielding the angry customer phone calls wanting to understand how we misled them into Enphase. I guess Enphase managed to stay in business though Matt Sent via the Samsung Galaxy S22 Ultra 5G, an AT&T 5G smartpho

[RE-wrenches] XW Pro and the spoiled stuff if the fridge

doesn't appear to have suffered lasting damage. Not so for the venison in the freezer. I'd love to hear from anyone who may have had a similar experience with the XW or who feels like they have a fair guess as to what caused the problem. -Matt

<    1   2   3