60 amp contactor [RE-wrenches]

William Miller wrmiller at charter.net
Sun Sep 23 10:53:43 PDT 2007


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Friends:

Can someone provide a block diagram of these systems?

Thanks,

William Miller

At 09:44 AM 9/23/2007, you wrote:

>Hello Wrenches,
>
>Thanks for all the help with finding transfer switches.
>
>We understand that many installers use transfer switches on Sunny Boy -
>Sunny Island systems in order to bypass the AC coupling when the system
>is connected to the grid, and only AC couple when the the grid is down,
>so the solar can charge batteries.
>
>Can anyone comment on what problems have occurred when the relay is not
>used, so that the Sunny Boys sell to the grid through the internal
>transfer relays in the Sunny Islands?
>
>Thanks,
>
>Drake


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