Generator stuff [RE-wrenches]

[Drake Chamberlin]

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>
>Run screaming from the showroom now! I had 3 systems which used that same 
>Generac unit and all 3 had frequent and annoying "glitches" . They ranged 
>from auto start unreliability, to waveform problems to over regulation of 
>the voltage.

Yikes!  I am involved in a solar backup job with an existing Generac 15 KW 
Guardian on a 200 Amp automatic transfer switch.  I need to use it to feed 
a Trace SW 4024 (with GTI), although the inverter is not going to sell back 
any power.

The generator guy who maintains (but did not sell) this unit believes that 
there should be no problems. The unit will continue to have its grid 
connection for the battery charging and the clock (which counts the ac 
cycles).  Although he no longer sells Generac, he says he sold four units 
that have been installed with PV systems in Colorado, of which he has heard 
no complaints.

I know that Generac will not honor its warranty for systems that are off 
the grid.  I wonder if part of the problem is that the unit needs a grid 
connection for reliability.

In a related question,  has anyone had any experience with the Kohler 15 
RYG, which replaces the old 12 KW Kohler?  Both are 1800 RPM, and the 15 
RYG is less expensive then the 12 KW unit.

Thanks,

Drake

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