Re: [RE-wrenches] Schneider Tech Support

[Vince McClellan via RE-wrenches]

Hi Michael
I appreciate the info. I'll give that a try tomorrow. Even though I haven't
used Schneider equipment much in the last few years, I still have a bunch
of systems out there with their products.


Vince McClellan

Energy Design

NABCEP PV Installation Professional

p. (541) 485-8122  f. (541) 338-8202

If you have received this email and are not the intended recipient, please
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On Mon, Oct 23, 2023 at 5:36 PM Michael Morningstar via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Vince,
> You'll want to  register with them and get the "special number". You'll
> also get the grid code password. I tried reaching them two weeks ago and
> last week and couldn't get through. Kinda bummed as Schneider has been my
> go to for several years.
>
> On Mon, Oct 23, 2023 at 5:29 PM Vince McClellan via RE-wrenches <
> re-wrenches@lists.re-wrenches.org> wrote:
>
>> Hello
>> Have any of you been in contact with tech support at Schneider? I haven't
>> worked with their equipment in several years. I'm working on repairing
>> another contractor's system, and when I tried to call tech support in the
>> middle of the day, no one answered the call. I remember several years ago
>> there was a special number to press once you were in the Schneider tech
>> support answering system, but if you followed the prompts you wouldn't
>> actually get to tech support.
>>
>> Thanks in advance to anyone who can help,
>>
>> Vince McClellan
>>
>> Energy Design
>>
>> NABCEP PV Installation Professional
>>
>> p. (541) 485-8122  f. (541) 338-8202
>>
>> If you have received this email and are not the intended recipient,
>> please delete this email. Copying or using any part, content, or attachment
>> of this email is strictly prohibited.
>>
>> ___
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>
> --
>
> Michael Morningstar
>
>
> Morningstar Electric
>
> PO Box 1494
>
> Mount Shasta, CA 96067
>
> 530-921-0560
>
> mjmornings...@gmail.com
>
>
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Re: [RE-wrenches] Schneider Tech Support

[William Miller via RE-wrenches]

Vince:



My notes indicate:  (833) 391-8640.  Wait for menu options and press 8.
It’s been a while since I called.  I am not impressed by the product line
or tech support.



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 *Vince McClellan via RE-wrenches
*Sent:* Monday, October 23, 2023 5:28 PM
*To:* RE-wrenches
*Cc:* Vince McClellan
*Subject:* [RE-wrenches] Schneider Tech Support



Hello

Have any of you been in contact with tech support at Schneider? I haven't
worked with their equipment in several years. I'm working on repairing
another contractor's system, and when I tried to call tech support in the
middle of the day, no one answered the call. I remember several years ago
there was a special number to press once you were in the Schneider tech
support answering system, but if you followed the prompts you wouldn't
actually get to tech support.



Thanks in advance to anyone who can help,


Vince McClellan

Energy Design

NABCEP PV Installation Professional

p. (541) 485-8122  f. (541) 338-8202



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Re: [RE-wrenches] Schneider Tech Support

[Michael Morningstar via RE-wrenches]

Vince,
You'll want to  register with them and get the "special number". You'll
also get the grid code password. I tried reaching them two weeks ago and
last week and couldn't get through. Kinda bummed as Schneider has been my
go to for several years.

On Mon, Oct 23, 2023 at 5:29 PM Vince McClellan via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Hello
> Have any of you been in contact with tech support at Schneider? I haven't
> worked with their equipment in several years. I'm working on repairing
> another contractor's system, and when I tried to call tech support in the
> middle of the day, no one answered the call. I remember several years ago
> there was a special number to press once you were in the Schneider tech
> support answering system, but if you followed the prompts you wouldn't
> actually get to tech support.
>
> Thanks in advance to anyone who can help,
>
> Vince McClellan
>
> Energy Design
>
> NABCEP PV Installation Professional
>
> p. (541) 485-8122  f. (541) 338-8202
>
> If you have received this email and are not the intended recipient, please
> delete this email. Copying or using any part, content, or attachment of
> this email is strictly prohibited.
>
> ___
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-- 

Michael Morningstar


Morningstar Electric

PO Box 1494

Mount Shasta, CA 96067

530-921-0560

mjmornings...@gmail.com
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[RE-wrenches] Schneider Tech Support

[Vince McClellan via RE-wrenches]

Hello
Have any of you been in contact with tech support at Schneider? I haven't
worked with their equipment in several years. I'm working on repairing
another contractor's system, and when I tried to call tech support in the
middle of the day, no one answered the call. I remember several years ago
there was a special number to press once you were in the Schneider tech
support answering system, but if you followed the prompts you wouldn't
actually get to tech support.

Thanks in advance to anyone who can help,

Vince McClellan

Energy Design

NABCEP PV Installation Professional

p. (541) 485-8122  f. (541) 338-8202

If you have received this email and are not the intended recipient, please
delete this email. Copying or using any part, content, or attachment of
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Re: [RE-wrenches] 2007 Kohler: Wrenches, can you help with parts or smarts?

[Dave Angelini Offgrid Solar via RE-wrenches]

In the dead of winter a client paid over 2K$ for the PCB. He now has 
surge protection on the lines from gen out to the XW. I did not say to 
him I told you so, but I am saying here.


Pop a midnite spd on gensets that stay connected all year. If it was 
nearby lightning, he was lucky it did not jump the transfer relay into 
the inverter electronics!


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-10-23 10:05 am, Mick Abraham via RE-wrenches wrote:

Me again, Mechanix~ 'Tis the season...for generator problems. Here's 
mine:


Kohler model # 8.5RES air cooled propane
Serial number 2159521
Spec number GM29253-GA6

This machine has delivered many off-grid running hours; I suspect a 
lightning whack took it down. The main DC battery breaker inexplicably 
tripped the same day; inverter etc. are all OK.


How many hours? "A Lot." I can't be more specific b/c the electronic 
box with the display is black. The 12v cranking battery seems to have 
adequate energy but the black box is truly "blacked out" & doesn't 
respond to the red Run button. Three glass fuses near the ADC2100 
control box all have continuity.


The physical space in the power shed accommodates this machine housing 
but I doubt if any new machine would fit as well.
That "ADC2100" control box in my photo shows several different p/n's on 
eBay & I haven't done much more sleuthing. I have only a fuzzy
picture of ours, but squinting at the p/n, ours might be GM28707. Are 
they all interchangeable?


The ideal case would be if one of the Wrenches has a "known good" 
control box even if it's used or dusty. Clients might be sad
if I persuade them to spend $1k or more for an eBay part then we put it 
all together only to find the machine still won't run.
Contact me off-list if you have a part or parts to sell, or a "value 
added" parts vendor to suggest. We're in southern Colorado.


If something else may have also been damaged, can I get suggestions as 
to the likely culprits? Finally, how far should we go if the clients
really want a new lease on life for this machine? Are there shops that 
could do an engine overhaul? Assuming that the generator
windings are OK, are there bearing replacements or other TLC items to 
address if we haul it to a shop?


I'm aware that the 2023 stationary propane machines may not have the 
"slam it out" longevity that the clients have enjoyed with this one.

Thanks in advance for any suggestions. The Wrench List is the Bomb!

Mick Abraham, Proprietor
www.abrahamsolar.com [1]

Landline: 970-731-4675
Cell phone or for text messaging: 970-946-6584
ᐧ
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Links:
--
[1] http://www.abrahamsolar.com
[2] http://members.sti.net/offgridsolar/
[3] https://offgridsolar1.com/___
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Re: [RE-wrenches] Cleaning PV mods

[Jason Szumlanski via RE-wrenches]

Mark, what you are describing is almost a daily occurrence in Florida in
the summer. It can start raining buckets in full sun. And the rainwater is
much colder than what comes out of a hose here.

There does not seem to be any real data out there - only conjecture and
anecdotes. I understand why manufacturers might put that into a manual out
of an abundance of caution, but I have never seen any real testing.

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


On Mon, Oct 23, 2023 at 1:22 PM Mark Downing via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Indeed, spraying cold water on hot modules between the hours of 10A-2P (or
> maybe 9A and 3P) is simply foolish.
> Now the argument of rain being more dangerous than a cold hose is pretty
> weak.
> If it's raining, the modules are simply not going to be hot!
> It would only be an issue if conditions went from full sun to raining
> streetcars and busses within the time period of a couple of minutes.
> --
> *From:* RE-wrenches  on behalf
> of White, Will via RE-wrenches 
> *Sent:* Monday, October 23, 2023 9:44 AM
> *To:* RE-wrenches 
> *Cc:* White, Will 
> *Subject:* Re: [RE-wrenches] Cleaning PV mods
>
>
> 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  *On
> Behalf Of *Jason Szumlanski via RE-wrenches
> *Sent:* Friday, October 20, 2023 4:47 PM
> *To:* RE-wrenches 
> *Cc:* Jason Szumlanski 
> *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 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
> 
>
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> 
>
> There are two list archives for searching. When 

Re: [RE-wrenches] Cleaning PV mods

[Mark Downing via RE-wrenches]

Indeed, spraying cold water on hot modules between the hours of 10A-2P (or 
maybe 9A and 3P) is simply foolish.
Now the argument of rain being more dangerous than a cold hose is pretty weak.
If it's raining, the modules are simply not going to be hot!
It would only be an issue if conditions went from full sun to raining 
streetcars and busses within the time period of a couple of minutes.

From: RE-wrenches  on behalf of 
White, Will via RE-wrenches 
Sent: Monday, October 23, 2023 9:44 AM
To: RE-wrenches 
Cc: White, Will 
Subject: Re: [RE-wrenches] Cleaning PV mods


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  On Behalf Of 
Jason Szumlanski via RE-wrenches
Sent: Friday, October 20, 2023 4:47 PM
To: RE-wrenches 
Cc: Jason Szumlanski 
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 
mailto: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 
mailto: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 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!”



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Re: [RE-wrenches] Cleaning PV mods

[Bryan Norkunas via RE-wrenches]

When our area experienced a lot of ash from nearby forest fires, I ended up 
purchasing a telescopic brush that big rig truckers use to wash their trucks 
and had great success.  If I recall it was around $80 and it extended 20ft and 
came with a few different attachments.  

 

Bryan @ PV-Cables

 

From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf 
Of Kirk Herander via RE-wrenches
Sent: Monday, October 23, 2023 9:02 AM
To: RE-wrenches
Cc: Kirk Herander
Subject: Re: [RE-wrenches] Cleaning PV mods

 

A customer of mine has both hot and cold water plumbed to his outdoor hose 
spigots, similar to an indoor sink, so he can clean anything outside with a 
warm to hot mix if necessary. Obviously better cleaning than cold alone.

 

On Mon, Oct 23, 2023 at 9:45 AM White, Will via RE-wrenches 
 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  On Behalf Of 
Jason Szumlanski via RE-wrenches
Sent: Friday, October 20, 2023 4:47 PM
To: RE-wrenches 
Cc: Jason Szumlanski 
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 
 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 
 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 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!”

 

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Re: [RE-wrenches] Cleaning PV mods

[Kirk Herander via RE-wrenches]

A customer of mine has both hot and cold water plumbed to his outdoor hose
spigots, similar to an indoor sink, so he can clean anything outside with a
warm to hot mix if necessary. Obviously better cleaning than cold alone.

On Mon, Oct 23, 2023 at 9:45 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  *On
> Behalf Of *Jason Szumlanski via RE-wrenches
> *Sent:* Friday, October 20, 2023 4:47 PM
> *To:* RE-wrenches 
> *Cc:* Jason Szumlanski 
> *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 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:
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> 
>
> Check out or update participant bios:
> http://www.members.re-wrenches.org
> 

Re: [RE-wrenches] Cleaning PV mods

[Peter Giroux via RE-wrenches]

Dave

 

   So funny, thanks for the smile. Have had installers tell me it is ok to walk 
on panels and I thought they were asking for trouble.

 

  We recommend a soft brush ( home depot sells one that goes on an extendable 
pole ) dawn detergent and a hose. Here in the south the pollen wreaks havoc on 
panels, just bakes on and coats the glass. Just simple cleaning and production 
#’s jump right back up.

 

Peter Giroux

ASAE

 

From: RE-wrenches  On Behalf Of Dave 
Angelini Offgrid Solar via RE-wrenches
Sent: Monday, October 23, 2023 11:29 AM
To: RE-wrenches 
Cc: Dave Angelini Offgrid Solar 
Subject: Re: [RE-wrenches] Cleaning PV mods

 

Definitely heard stories and have seen a few insurance claims for cracked 
glass. 
I have had clients send me pictures of "solar" guys walking on the panels on 
their roof.

I guess it is OK to do this if you change your business name every 5 years
Dave Angelini Offgrid Solar
"we go where powerlines don't"
      
https://offgridsolar1.com/   
e-mail  offgridso...@sti.net  
text 209 813 0060

 

On 2023-10-23 6:44 am, White, Will via RE-wrenches 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  On Behalf Of 
Jason Szumlanski via RE-wrenches
Sent: Friday, October 20, 2023 4:47 PM
To: RE-wrenches 
Cc: Jason Szumlanski 
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 
mailto: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 
mailto: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 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 

 

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Re: [RE-wrenches] Cleaning PV mods

[Dave Angelini Offgrid Solar via RE-wrenches]

Definitely heard stories and have seen a few insurance claims for 
cracked glass.
I have had clients send me pictures of "solar" guys walking on the 
panels on their roof.


I guess it is OK to do this if you change your business name every 5 
years


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [11]https://offgridsolar1.com/ [12]  [11]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-10-23 6:44 am, White, Will via RE-wrenches 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  On Behalf 
Of Jason Szumlanski via RE-wrenches

Sent: Friday, October 20, 2023 4:47 PM
To: RE-wrenches 
Cc: Jason Szumlanski 
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 
 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 
 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 OrzelGREAT SOLAR WORKS!

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

W - www. greatsolarworks.com [1] www.solarwork.com [2]

_"Responsible Technologies for Responsible People since 1988!"_

___
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--

[9]

Dave Tedeyan, P.E.
Owner | Sungineer Solar

p: he | him | his
a: 1653 Slaterville Rd. | Ithaca, NY 14850
w: www.sungineersolar.com [10]
c: (607) 270-0370

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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  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 
On Behalf Of Jason Szumlanski via RE-wrenches
Sent: Friday, October 20, 2023 4:47 PM
To: RE-wrenches 
Cc: Jason Szumlanski 
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  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  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!”
 


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-- 















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















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Re: [RE-wrenches] Cleaning PV mods

[david quattro via RE-wrenches]

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  *On
> Behalf Of *Jason Szumlanski via RE-wrenches
> *Sent:* Friday, October 20, 2023 4:47 PM
> *To:* RE-wrenches 
> *Cc:* Jason Szumlanski 
> *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 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:
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> 
>
> Check out or update participant bios:
> 

Re: [RE-wrenches] Cleaning PV mods

[White, Will via RE-wrenches]

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  On Behalf Of 
Jason Szumlanski via RE-wrenches
Sent: Friday, October 20, 2023 4:47 PM
To: RE-wrenches 
Cc: Jason Szumlanski 
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 
mailto: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 
mailto: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 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!”

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Dave Tedeyan, P.E.
Owner | Sungineer Solar
p: he | him | his
a: 1653 Slaterville Rd. | Ithaca, NY 14850
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