grounding SHW collectors? [RE-wrenches]

[Tom Lane]

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This is an interesting subject ---  when metal pipe copper or galvanized 
pipe was use for all the household plumbing i.e. the copper pipe was 
grounded at the electric water heater etc.--now plastic pipe  cpvc pvc pex 
and other plastic pipe is used throughout the home--- solar piping is 99% 
copper or brass pipe and fittings to and from the thermal 
collectors---grounding of metal aluminum framewalls might start to become 
code ???  ---  however exterior sensor wire will pickup the corona discharge 
of a nearby lightening stride and ruin the senor rooftop and usually the 
controller and often the storage sensor similar to what happen to antenna 
wire for TVs   thinking out loud gator tom   ps moving to tokyo japan soon 
anyone know much about solar thermal there give me a call or e-mail
----- Original Message ----- 
From: "Darryl Thayer" <daryl_solar at yahoo.com>
To: <RE-wrenches at topica.com>
Sent: Monday, July 14, 2008 4:36 PM
Subject: Re: grounding SHW collectors? [RE-wrenches]


>
> HI Nick
> I have had controllers distroyed in electrical storms.  I do not know why 
> the water/andtfreeze pipes did not protect the controllers.  I have had 
> better success when I ground the panels.  So now I run a ground wire from 
> the frames to the copper and then the copper to a ground electrode system. 
> I have not had a fried controller since.
> DT
>
>
> --- On Mon, 7/14/08, Nicholas Ponzio <nponzio at buildingenergyus.com> wrote:
>
>> From: Nicholas Ponzio <nponzio at buildingenergyus.com>
>> Subject: grounding SHW collectors? [RE-wrenches]
>> To: "re-wrenches" <RE-wrenches at topica.com>
>> Date: Monday, July 14, 2008, 11:40 AM
>> 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
>>
>>
>>
>
>
>
>
>
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