grounding SHW collectors? [RE-wrenches]

[Glenn Burt]

In the manual for the AET differential controller (Eagle-1) I see this 
nugget:

COLLECTOR GROUNDING- The Solar collector panel array “must be GROUNDED’ 
directly to an earth ground line . This is necessary
to prevent damage from nearby lightening strikes which induce very 
“DAMAGING” high voltages in all nearby ungrounded metallic surfaces.

-Glenn
Renewable Power Systems, LLC
Averill Park, NY


Nicholas Ponzio wrote:
> 
> I always forget to send in plain text. Here it is again:
> 
> 
> Local inspector is wondering whether my flat plate collectors should
> be grounded. This installation happens to be on a metal roof. Anybody
> else come across this yet and how did it pan out?
> 
> Thanks,
> -Nik



-Glenn  -KA2DTH
Technical Specialist
Renewable Power Systems
Averill Park, NY


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