Batteryless inverter recommendation [RE-wrenches]
Mark Frye
markf at berkeleysolar.com
Tue Feb 26 12:31:07 PST 2008
Joel,
Such needs have not arisen to date on our installations.
A point of interest, the California initiative warranty only applies to the
extent that the systems must maintain 15% of rated power output.
If there is a big hole in the roof and water is running into the living room
that is of no concern of the CSI so long as the system is still producing
the rated power (my interpretation, backed by conversations with PG&E
staff). You are still liable under contacting law for negligence, but I
don't think that would go towards rust on the paint.
Mark Frye
Berkeley Solar Electric Systems
271 Vistamont Dr
Grass Valley CA 95945
(530) 401-8024
www.berkeleysolar.com
-----Original Message-----
From: Joel Davidson [mailto:joel.davidson at sbcglobal.net]
Sent: Tuesday, February 26, 2008 12:22 PM
To: RE-wrenches at topica.com
Subject: Re: Batteryless inverter recommendation [RE-wrenches]
In addition to internal corrosion, enclosures rust in salt air. A United
Solar carport has been at the Santa Monica Civic Auditorium for over 10
years. The installation is a few blocks from the ocean with buildings and
streets in between, but the gray painted enclosures (disconnect switches and
Omnion inverters) are rusted on the windward sides. At the Neutrogena
factory near LAX, the gray painted enclosures are further from the ocean and
in an underground parking structure, but they are also beginning to rust. I
don't recall seeing rust on inverters and enclosures in Germany. Is rust a
problem in your area?
The California incentive program requires a 10-year turnkey warranty.
Customers expect their PV systems to shine like a new car (they cost about
the same). PV systems are like other outdoor equipment (HVAC) and require
regular inspection and maintenance. Are contractors sanding and touch-up
painting inverter and enclosures?
Joel Davidson
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