[RE-wrenches] Generator and AC coupling on a Sol-Ark

[Dave Tedeyan]

Hi All,

I am planning on using a Sol-Ark for the first time for adding battery
backup to an existing system. It is Enphase, so clearly it will be AC
coupled, and there is a whole house generator. When I talked to Sol-Ark
about it, they recommended putting the generator on a time of use schedule
to not allow it to come on during the day so that we don't run into the
issue of the solar backfeeding the generator.

I was wondering though if anyone has just used a contactor to cut out the
solar when the generator turns on? Something like Outback's GS-AC-Gen-Kit,
although in this case I will need something rated for just over 30A. This
seems like a better way to allow the generator to run at any time it is
needed, especially if it is a gloomy, snowy, winter day.

Cheers,
Dave

-- 
*Dave Tedeyan, PE*
[image: Sungineer Solar]
1653 Slaterville Road, Ithaca, NY 14850
Cell: 607-288-2898
www.sungineersolar.com
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