re-sealing cracked modules [RE-wrenches]

[Doug Pratt]

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This was a fairly regular call when I worked at Real Goods. Get a sheet of
glass or lexan that'll fit snugly inside the frame lip. Seal around the
edges with a generous bead of clear silicon caulk. So long as the module
hasn't been rained on, and no moisture has gotten under the crazed glass,
it'll continue to function. But expect about 25% less power due to all the
crazed glass edges. They'll bounce a lot of light back out. I've seen some
butt ugly modules that were still making respectable power years later. If
any moisture got in, forget it. The little solder strips will start
corroding and eventually go away. 

Good luck,
Doug Pratt

-----Original Message-----
From: Jerry Caldwell [mailto:solarcowboy at yahoo.com] 
Sent: Friday, July 01, 2005 3:55 PM
To: RE-wrenches at topica.com
Subject: re-sealing cracked modules [RE-wrenches]

Wrenches,

I have a customer whose ASE double glass 300 w modules
mounted on Zomeworks trackers have been shot by a bb
gun.

The glass on two of the modules has cracked and the
customer wants to know if there is a way to re-seal
the modules to prevent moisture and corrosion from
entering the encapsulated area.

Does anyone on list know of a decent way to accomplish
this?  I know they'll never be the same, but any help
would be appreciated.

Jerry Caldwell
NABCEP Certified PV Installer
Light Energy Systems
965 Detroit Ave
Concord, CA 94518

925-680-4343 office
510-205-2798 mobile


		

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