I sure would like to have a final definitive answer on this. For years we were installing Kohler 8.5 kW units as they were easy for any inverter to start and stop with a simple relay, and their output was easy for the local Kohler dealer to re-configure for 100% output at 120 VAC. All they ever
I just called Kohler for my own curiosity and spoke with the service tech. that
I have dealt with for 15 years.
He said-
The 8.5 RMY was reconfigurable if it had the ADC21 controller, but doing so
voided the warranty, 3600 RMP air cooled.
The new 8.5 ,12, 18 KW RES are not
The Kohler mobile 10ERG (ADC2100 controller) is another option,
although not UL listed for a stationary application. See Backwoods
Solar description.
Thirsty Lake Solar
Jeff Wongstrom
NABCEP Certified Solar Installer
406-889-5324
thirstylakesolar
Wes you have a great point.
Using PSF for a solar array can be a little misleading. With your
example with 3.3 psf and a worse case down force wind load of 29 psf we exert a
total of 32.3 psf on the 300 ft2 array for 9690lbs total, or 323lbs per
attachment. This may not seem bad
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