Cleaning PV Arrays [RE-wrenches]

[Joel Davidson]

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I used TurtleWax Zip Wax which is what I use on my car "for spot-free
cleaning." "Sudsy foam, leaves no spots, biodegradable, floats away toughest
dirt and highway grime safely without stripping the shine, works with hard
or soft water." (I do not work for Turtle Wax - and hate to wash my car.
This stuff is better than just water, mild soaps like Ivory Liquid, stronger
stuff like 409, etc.)

----- Original Message ----- 
From: "Tom Lane, Energy Conservation Services" <tom at ecs-solar.com>
To: <RE-wrenches at topica.com>
Sent: Wednesday, September 22, 2004 8:41 AM
Subject: Re: Cleaning PV Arrays [RE-wrenches]




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do not use soap detergents Windex etc when cleaning the glass only water
with plastic scouring pads  and elbow grease   conventional cleaners can
leave a film   professional window cleaners use water and little alcohol  to
speed evaporation of the water  Gator Tom
----- Original Message ----- 
From: "Dean T. Newberry" <deant at dcn.org>
To: <RE-wrenches at topica.com>
Sent: Wednesday, September 22, 2004 12:03 AM
Subject: Re: Cleaning PV Arrays [RE-wrenches]




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Thanks Bill,
I learn something everyday.
Thanks.

Do you have a faq or recommended procedure for washing modules that I
can pass on to my customers?  I don't want to off the cuff write
something up that is wrong.

cul  deant

Bill Brooks wrote:

>
>
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>Joel and Dean,
>
>I don't think it is the glass-on-glass nature of the BP-850 (Millennia)
>a-Si
>module that causes it to break. It is the fact that they used annealed
>glass, and then heat-strengthened glass to make their module. The
>heat-strengthened glass reduced the cracking failures, but in either case,
>they break in shards, not tiny pieces since they are not tempered.
>
>The reason they are not tempered is because the manufacturing process is so
>hot that it would reanneal a tempered sheet of glass so the extra expense
>of
>tempered glass is a waste of money. However, you are left with glass that
>is
>more susceptible to breakage.
>
>Bill.
>
>
>-----Original Message-----
>From: Dean T. Newberry [mailto:deant at dcn.org]
>Sent: Monday, September 20, 2004 10:40 PM
>To: RE-wrenches at topica.com
>Subject: Re: Cleaning PV Arrays [RE-wrenches]
>
>Hi Joel,
>I hadn't heard that before.
>Kyocera and Isofoton modules break like tempered glass.
>I have an Evergreen that broke like regular glass, and Evergreen tech
>support says it's tempered. I need to send it back to them for evaluation.
>
>I didn't get a look at the BP Millenium.
>
>cul  deant
>Joel Davidson wrote:
>
>
>>Hello Dean,
>>Thanks for the feedback. Glass/glass modules lose some or all of their
>>temper when they are put in the laminating oven.
>>Joel Davidson
>>
>>
>>
>
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-- 
*Quantum Energy Group*
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Dean T. Newberry
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Davis,  CA   95616
T:  (530) 758-6064
F:  (530) 758-3684
deant at dcn.org <mailto:deant at dcn.org>

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