I would guess that it was the glass and tempering not complete, or done
correctly. I worked at a glass temperaturing facility most of the sheets can
out fine, but every now and then a few would shatter while on the belt. The
temperaturing put to much stress in teh glass.
________________________________
From: "Larry Crutcher, Starlight Solar Power Systems"
<[email protected]>
To: RE-wrenches <[email protected]>
Sent: Tuesday, March 13, 2012 2:34 PM
Subject: Re: [RE-wrenches] Cracked Glass...Warranty?
In my business I see quite a few broken modules each year. As I recall, in
every instance there is a visible point where the impact occurred. Typically a
small radial pattern is around the impact point but then random patterns over
the rest on the module. Look close. Hope this helps.
Larry Crutcher
Starlight Solar Power Systems
(928) 342-9103
On Mar 13, 2012, at 12:21 PM, benn kilburn wrote:
Wrenches,
I recently inspected a system I installed in 2010, because the owner commented
that it appeared the frost wasn't melting off of one particular module as it
was from the others. Turns out the module glass is shattered. There are no
obvious (that i can see) impact points, leading to the question... Why did the
glass shatter?
I don't want to just assume, but if there is no sign of impact, I'm wondering
if this could be a warranty issue? Frame expansion/contraction due to
temperature swing maybe?
Any experiences, thoughts or advice?
Module is a Sanyo HIT N215A01
Thanks,
benn kilburn
Construction Electrician (NOC7241) Solar Photovoltaic Systems Certified
Certificate # 0007S
DayStar Renewable Energy Inc.
[email protected]
780-906-7807
HAVE A SUNNY DAY
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