Hi Howie,I have found one scenario where heat tape can help with snow on solar.As we know, solar panels warm up in the sun and melt snow even when ambient temperatures are below freezing. The water from this melting snow drips off the array and slush/snow can slide off the panels.On a cold day, in
Hi Jason,On a recent install 2 of 3 new batteries had a low SOE and failed the self test. This made sense as part of the self test is discharging the battery, which you wouldn’t want to do if the batteries are depleted. Anyway, the low SOE batteries also had trouble “associating” with the inverter
/contraction is popping them off.
Best,
Garrison Riegel
Celestar Solar LLC
> On Jul 5, 2023, at 3:51 PM, Drake Chamberlin via RE-wrenches
> wrote:
>
>
> Hello All,
>
> We have had a lot of end caps fall off Snapnrack Ultra Rail. Kevin at S&R was
> wondering if
be barely covered by the "flashing".
Best,
Garrison Riegel
Licensed Electrician
NABCEP Certified PV Installation Professional™
(c) 773-515-5168 (e) garri...@celestarsolar.com
On Sun, Apr 16, 2023 at 10:13 AM Kristopher Schmid via RE-wrenches <
re-wrenches@lists.re-wrenches.org>
recent situation where a 40kW DC system had exceeded a utility transformer by only 2kW AC, so a simple redesign avoided an $8k invoice from the utility. The utility was not transparent about this option at first and only made it clear after some persistence.Good luck,Garrison RiegelCelestar SolarOn
not your fault. I hope they change their
attitude, but I’m not confident people at the top understand how bad support
has become. The focus seems to be on marketing new products.
Best,
Garrison Riegel
Celestar Solar
(c) 773-515-5168
(e) garri...@celestarsolar.com
> On Aug 15, 2022, at 10
Hi Mac,
I second the isopropyl alcohol (diluted), a soft cloth, and razor blade if
needed.
Magic erasers would probably work too, but I believe they are made from very
hard microscopic crystals.
Good luck.
Garrison Riegel
Celestar Solar LLC
> On Apr 15, 2022, at 9:45 AM, Dana Orzel via
!
Garrison Riegel
Celestar Solar
> On Jan 9, 2022, at 11:55 AM, Marco Mangelsdorf wrote:
>
> Hey Mac,
>
> It’s been my experience over the years that the Imax failure is fatal.
>
> marco
>
>> On Sunday, January 9, 2022, Mac Lewis wrote:
>> Hello Wrenches,
>>
on a bar napkin would produce a better
single line diagram :).
Best,
Garrison
> On Oct 19, 2020, at 2:24 PM, Philip Lawes Insoltech
> wrote:
>
>
> Aurora
>
>
>
>
> Philip N Lawes
> 172 Wave St.
> Laguna Beach, Ca. 92651
> Office: 949-497-63
ength, equipment location, etc.
Best,
Garrison Riegel
On Fri, Sep 18, 2020 at 5:31 PM August Goers wrote:
> We have a similar size system in the works and a designer recommended
> Dongan transformers: https://dongan.com/product/
>
> I have not sourced them or worked with them yet, but the
I will also vouch for Jeff and team at Planet Plan Sets. I started using them
for overflow but they are becoming a primary resource for grid tie, battery,
and commercial plan sets. Highly recommend.
Garrison Riegel
Rethink Electric
> On Feb 5, 2020, at 1:44 PM, jay wrote:
>
> H
Have you looked at the Lumos system? They are not cheap, but look nice,
and would work well in this application. The rail has integrated wire
management.
https://lumossolar.com/
Sunny regards,
Garrison Riegel
Rethink Electric
On Thu, Feb 7, 2019 at 8:06 AM Jason Szumlanski <
phase inverters these days do not require a neutral at all,
so if the AHJ will not accept downsizing it may be worth changing inverters.
Garrison
> On Sep 22, 2018, at 6:07 PM, Glenn Burt wrote:
>
> Here is the code reference explaining this conductor size disparity from 20
system then what’s the threshold?
Thanks for any and all thoughts on this.
Garrison
> On Aug 21, 2018, at 11:02 AM, August Goers wrote:
>
> Hi Garrison,
>
> This is a new one for me - normally we always balance everything when dealing
> with paralleled conductors. NEC 310
each set of three. Plans are stamped by an EE. I had been working under the
assumption that if tapping parallel sets all conductors must be tapped.
Any issues with not tapping all sets?
Thanks,
Garrison Riegel
Rethink Electric
630-998-3629
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Be careful out there!
Garrison Riegel
Rethink Electric___
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d.com/2015/2015-scorecard.php
I haven't seen a performance comparison in a few years. You can find the
Photon module yield tests up until 2014 online, but even those were limited to
sometimes one model from a manufacturer which did not necessarily represent the
available technology.
Gar
also now listed to
UL 2703, which could be a benefit over a custom solution.
https://www.pvracking.com/ground-mounting-systems/overview/
Garrison
Garrison Riegel
PV Manager | Solar Service Inc<http://www.solarserviceinc.com/>
[p] 847-677-0950 |
garri...@solarserviceinc.com<mai
also now listed to
UL 2703, which is helpful.
https://www.pvracking.com/ground-mounting-systems/overview/
Garrison
Garrison Riegel
PV Manager | Solar Service Inc<http://www.solarserviceinc.com/>
[p] 847-677-0950 |
garri...@solarserviceinc.com<mailto:garri...@solarserviceinc.com
,
Garrison Riegel
PV Manager | Solar Service Inc<http://www.solarserviceinc.com/>
[p] 847-677-0950 |
garri...@solarserviceinc.com<mailto:garri...@solarserviceinc.com>
NABCEP Certified PV Installation Professional™
___
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low us to round down and the AHJ deems it acceptable. Just another
gray area in the Code that keeps life exciting! Think I need to get out more...
Garrison
From: RE-wrenches on behalf of
Rebekah Hren
Sent: Thursday, September 1, 2016 9:31:23 AM
To: RE-wrenc
Hi Brian,
Can we not invoke Art. 220.5(B) Fractions of an Ampere to round down to a 30A
OCPD in this case?
I suppose that .1 could be pretty significant when combining many of these
inverters.
Garrison Riegel
Solar Service Inc
On Aug 31, 2016, at 11:24 PM, Brian Mehalic
mailto:br
.
Thanks,
Garrison Riegel
Solar Service Inc.
From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf
Of Dan Fink
Sent: Monday, May 30, 2016 2:04 PM
To: RE-wrenches
Subject: Re: [RE-wrenches] Roof harness
The back dorsal D-ring is the ONLY place fall-arrest equipment should
Hi Jay,
I've used the Milbank K4977 taps for a few supply side connections in Milbank
meter sockets. They make for a fast and clean connection. I would highly
recommend them as long the utility will allow it.
Best,
Garrison
Garrison Riegel
Solar Service Inc
-Original Me
The newer Tripower STP3 can be configured for delta, but the 12000-24000
cannot. A step up transformer sounds like the way to go.
Best,
Garrison
Garrison Riegel
Solar Service Inc
From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf
Of jerrysgarage01
Sent
I would have recommended SolarBOS here as well, but as of Jan 1 2016 they
require a minimum 20 piece order. They also have not yet set up a distributor
for smaller orders…seems like an oversight.
Plan accordingly.
Garrison Riegel
PV Operations Manager | Solar Service Inc<h
It looks like the Westinghouse AC module system. Pretty sure these are no
longer available.
Garrison Riegel
PV Operations Manager | <http://www.solarserviceinc.com/> Solar Service Inc
[p] 847-677-0950 | <mailto:garri...@solarserviceinc.com>
garri...@solarserviceinc.co
Thanks Allan. Ill see if I can get those values from IronRidge or UniRac.
If not Pro Solar or SnapNrack look like they both could work well.
Thanks again all.
Garrison
From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On
Behalf Of Allan Sindelar
Sent: Thursday
. Mid clamps should hold no problem. They suggested
getting an engineer to stamp a custom bolted end clamp solution and we should
be good.
I’ve been looking for a good excuse to try Snap n Rack…
Thanks,
Garrison
From: RE-wrenches [mailto:re-wrenches-boun...@lists.re
according to their design tools
and manuals.
Any advice would be much appreciated.
Thanks,
Garrison
Garrison Riegel
PV Operations Manager | <http://www.solarserviceinc.com/> Solar Service Inc
[p] 847-677-0950 | <mailto:garri...@solarserviceinc.com>
garri...@solarse
not apply. Permanent anchors also sound like a good, although expensive
solution.
Garrison
Garrison Riegel
PV Operations Manager | <http://www.solarserviceinc.com/> Solar Service Inc
[p] 847-677-0950 | <mailto:garri...@solarserviceinc.com>
garri...@solarserviceinc.co
Looks like a good fit for either a SunPower or Kyocera. Although with
SunPower you might be paying as much for the single module as you did for
the cart...
Garrison Riegel
PV Operations Manager | Solar Service Inc
[p] 847-677-0950 | garri...@solarserviceinc.com
NABCEP Certified PV Installation
approach, which sounds like the safest design especially when
this “separation distance” can be maintained.
Thanks all for the replies. Much appreciated.
Garrison
From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf
Of Glenn Burt
Sent: Thursday, June
bond these systems on the roof? Opinions on a 2009
Wrenches thread varied, but I've heard it from a few sources that these
should be bonded directly. Wondering if there is a general consensus at
this point? Or strong opinions one way or the other?
Thanks for your thoughts.
Garrison R
Hi Larry,
It sounds like the Copper Development Association would agree. Take a look
at this table on DC copper bus bar ampacities:
http://www.copper.org/applications/electrical/busbar/busbar_ampacities.html
Best,
Garrison Riegel
PV Operations Manager | Solar Service Inc
[p] 847-677-0950
,
Garrison
Garrison Riegel
PV Operations Manager | <http://www.solarserviceinc.com/> Solar Service Inc
[p] 847-677-0950 | <mailto:garri...@solarserviceinc.com>
garri...@solarserviceinc.com
NABCEP Certified PV Installation Professional™
From: RE-wrenches [mailto:re-w
g might be referring to?
What are folks doing to mitigate these losses? Some kind of DC actuated
switch on the utility side of the transformer maybe?
Anything else to keep in mind when specifying a PV specific transformer?
Thank you for your thoughts.
Garrison
Garrison Riege
that would be the minimum.
Garrison
Garrison Riegel
Project Manager | <http://www.solarserviceinc.com/> Solar Service Inc
[p] 847-677-0950 | <mailto:garri...@solarserviceinc.com>
garri...@solarserviceinc.com
NABCEP Certified PV Installation Professional™
From:
l for
lower slopes. Also check out their HitchClip. It is an excellent anchor
for shingled, pitched roofs.
http://www.guardianfall.com/performance-safety-products/anchor-points/reside
ntial-anchor-points/hitchclip
Garrison Riegel
Project Manager | <http://www.solarserviceinc.com/> So
Maybe the tech folks at SolarEdge could provide some advice. They use ZigBee
to communicate wirelessly with their inverters, and it has worked flawlessly in
my experience.
Garrison Riegel
Project Manager | <http://www.solarserviceinc.com/> Solar Service Inc
[p] 847-67
Got it, thanks Bill. Single phase breakers for the inverters, 3-pole switch
for the disconnect it will be.
Thanks,
Garrison
From: Bill Brooks [mailto:billbroo...@yahoo.com]
Sent: Friday, April 04, 2014 6:05 PM
To: 'Garrison Riegel'; 'RE-wrenches'
Subject: RE:
said,
they do often listen to logic and reason if you can get through to the right
people.
Do you have an opinion on using a single 3-pole unfused switch as an AC
disconnect for 3 single phase inverters? Good, bad, or ugly?
Thanks,
Garrison
From: Bill Brooks [mailto:billbroo
thought each inverter required a dedicated breaker as per
705.12(D)(1). Thoughts?
Thanks,
Garrison
From: d...@energysolarnow.com [mailto:d...@energysolarnow.com]
Sent: Thursday, April 03, 2014 1:55 PM
To: re-wrenches@lists.re-wrenches.org; Garrison Riegel
Subject: RE: [RE-wrenches
] AC disconnect
before landing at each 1-pole 20A breaker in the main panel? It would be
great to avoid an inverter subpanel and 3-pole breaker in the MDP if
possible.
Thanks for your thoughts.
Garrison
Garrison Riegel
Project Manager | <http://www.solarserviceinc.com/> Solar Servi
tell you it will likely not pass structural when
installed on top of a parking garage without significant structural
reinforcement.
Good luck!
Garrison Riegel
PV Operations Manager | <http://www.solarserviceinc.com/> Solar Service Inc
[p] 847-677-0950 | <mailto:garri...@solar
of this, in some
cases it can actually restore imbalance since many buildings with 240 delta
have few if any loads on the high leg.
Contrary to their manual, Power-One also claims their smaller PVI inverters are
compatible with 240 high-leg delta.
Garrison
Garrison Riegel
Project
more than four
units require a hardwire to the Cluster Controller.
I was definitely hoping for Bluetooth. It worked well with the SunnyBoys.
Hopefully they will add this to the TriPowers in the future.
Garrison Riegel
Project Manager | <http://www.solarserviceinc.com/> Solar Service
t it is
listed to UL 4703.
http://ulstandardsinfonet.ul.com/outscope/outscope.asp?fn=4703.html
Cheers,
Garrison
Garrison Riegel
Project Manager | <http://www.solarserviceinc.com/> Solar Service Inc
[p] 847-677-0950 | <mailto:garri...@solarserviceinc.com>
garri...@solarser
hop make them for us.
Windsafe spec:
http://www.schletter.us/support/Windsafe_Product_Sheet.pdf
Stanchions on page 9:
http://www.schletter.us/support/I43%20Component_OV.pdf
Best
Garrison Riegel
Project Manager | <http://www.solarserviceinc.com/> Solar Service Inc
[p] 847
ire for a pretty
decent price. www.pv-cables.com may also be a good resource for you.
Garrison
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Marco
Mangelsdorf
Sent: Friday, August 30, 2013 1:59 PM
To: 'RE-wrenches&#x
Hi Jason,
We have paralleled M190 with M215 and have had no comm issues.yet. Enphase
gave their blessing as well.
Garrison Riegel
Project Manager | <http://www.solarserviceinc.com/> Solar Service Inc
[p] 847-677-0950 | <mailto:garri...@solarserviceinc.com>
garri...@solarse
White efflorescence, or glass disease, is also mentioned in a number of
installation manuals as a reason not to install modules horizontally.
Sounds pretty serious.
Garrison
Garrison Riegel
Project Manager | <http://www.solarserviceinc.com/> Solar Service Inc
[p] 847-67
on to the water main, but I suppose you could simply
install a rod, bond it to the water main, and use #6 copper for the DC GEC.
Thanks,
Garrison
-Original Message-
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Ray Walters
)
through (E). So if the GE is a water main wouldn't the GEC "need" to be 4/0,
if the battery cables were 4/0? Not saying it makes sense, especially if
the water main is 3/4", but this has always made me wonder.
Thoughts?
Garrison Riegel
Project Manager | Solar Service Inc
[p]
Good point Ross. The panel is marked as a 200A with no indication that the bus
has a higher rating, so I've assumed 200A. I considered downsizing the MB, but
it's an discontinued panel, and filled to capacity so not exactly ideal.
Thanks,
Garrison
___
Great point Dave. It crossed my mind that it was technically possible, but
figured since I would be removing loads off the main panel it was highly
unlikely. Thanks for the code reference. I'll go load side, and be
prepared for some discussion.
Thanks,
Garrison
From: re-wre
less than 30A, but
based on this conversation I plan to go with a 60A and try to convince the
AHJ that it will be code compliant in their future!
Thanks,
Garrison
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Allan
Sin
CPD at the
main panel. Your explanation makes more sense, but I wonder why then they
don't list the AC input breaker size as 60A max. If you have few backup
loads, and are not on the 2011 NEC, a 40A could theoretically be fine?
Thanks all for your thoughts, much appreciated.
Garr
NEC would allow this as a load side
connection, so maybe I should spend my energy trying to convince them to let
us follow the current Code instead.
Thanks much,
Garrison
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of August
rely for a residential supply side
connection?
Thanks in advance,
Garrison
847-677-0950
Solar Service Inc.
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Change email address & settings:
h
Have you considered installing a flashing like the EcoFasten GF-1, lagging
the L-foot to the rafter, and then spanning the L-feet with some AL angle?
We use flashings similarly for supporting conduit on roofs, which works very
well.
Garrison
Solar Service Inc
847-677-0950
From: re
ut is
OSHA compliant, can lift multiple modules at once, and saves wear and tear
on the crew. The only real issue is upfront cost, but this is cheap when
compared to the long term cost of a workmans comp claim.
My 2¢
Garrison
Solar Service Inc
847-677-0950
From: re-wre
orientation.
Garrison Riegel
Solar Service Inc
[p] 847-677-0950
<http://www.solarserviceinc.com/> www.solarserviceinc.com
NABCEP Certified Solar PV and Thermal Installer
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Beh
he surface. Some parts
cleaners can cause damage, and may void the module warranty if you have to
replace the connector.
Garrison Riegel
Project Manager
Solar Service Inc
[p] 847-677-0950
<http://www.solarserviceinc.com/> www.solarserviceinc.com
NABCEP Certified Sola
would
recommend either a slip sheet under the trays or you use the AET ballast pad
to protect the roof membrane.
Good luck!
Garrison
Garrison Riegel
Project Manager
Solar Service Inc
[p] 847-677-0950
[f] 847-647-9360
www.solarserviceinc.com <http://www.solarserviceinc.
Agreed, standard S-5! with L-foot and rail allows for the easiest install
and most flexibility. We also stagger the clamps as much as possible to hit
as many seams as possible. Also, make sure the pans are installed correctly
as they will be the weakest link.
Garrison
Garrison Riegel
n the
circulators.
Garrison
Garrison Riegel
Project Manager
Solar Service Inc
[p] 847-677-0950
[f] 847-647-9360
www.solarserviceinc.com <http://www.solarserviceinc.com/>
NABCEP Certified Solar PV and Thermal InstallerT
_
From: re-wrenches-boun...@lists.re-w
e are many different configuration possibilities and
the Code cannot be rewritten for each one.
Thanks again,
Garrison
Garrison Riegel
Project Manager
Solar Service Inc
[p] 847-677-0950
[f] 847-647-9360
www.solarserviceinc.com
NABCEP Certified Solar PV and Thermal InstallerT
-Origin
metal conduit. That said
they have been known to allow certain exceptions if it meets the latest NEC
cycle (and they are in a good mood).
Thank you again for your time and knowledge. It is much appreciated.
Garrison
Garrison Riegel
Project Manager
Solar Service Inc
[p] 847-677-0950
[f] 847-647-
llest size allowed)?
Thank you in advance,
Garrison
Garrison Riegel
Project Manager
Solar Service Inc
[p] 847-677-0950
www.solarserviceinc.com <http://www.solarserviceinc.com/>
NABCEP Certified Solar PV and Thermal InstallerT
K RSS (self tapping structural screw). The combination works great and
does not require a pilot hole.
RSS:
http://www.grkfasteners.com/en/RSS_1_2_information.htm
GF1
http://ecofastensolar.com/pdf/GF1%20Cutsheets.pdf
Best,
Garrison Riegel
Project Manager
Solar Service Inc
[p] 84
Another one to check out is EternaBond Double Stick. We get it in 2" wide
rolls which fit most L-Feet perfectly.
http://www.bigrocksupply.com/store/Search.aspx?searchTerms=eternabond%20doub
le&submit=true&type=AND
Garrison Riegel
Solar Service Inc
[p] 847-677-0950
www.solars
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