If you used rail and the nuts were too tight there is potential for the glass to break with no real sign due to the glass actually flexing too much.
David Lauzon Northern Arizona Wind and Sun Phone-928-526-8017 / 800-383-0195 Fax-928-527-0729 Website-http://www.solar-electric.com <http://www.solar-electric.com/> <http://www.solar-electric.com/> Description: Description: Signiture pic From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Larry Crutcher, Starlight Solar Power Systems Sent: Tuesday, March 13, 2012 12:35 PM To: RE-wrenches 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. b...@daystarsolar.ca 780-906-7807 HAVE A SUNNY DAY
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