Lightning damage to SW inverters [RE-wrenches]

[matthew tritt]

You guys must have some bad electrical storms in your area(s). We've been
putting in the Sinwaves since serial #s 0000006 and 0000007 and have yet to
have any lightning related damage. We also install Delta arrestors at the
array, and the controller with all the required grounding and Never ever run
a ground from array to control or DC disconnect box.

Matt
----- Original Message -----
From: "Jeff Yago" <jryago at earthlink.net>
To: <RE-wrenches at topica.com>
Sent: Sunday, September 22, 2002 8:38 PM
Subject: RE: Lightning damage to SW inverters [RE-wrenches]


>
> We had the same problem until we changed our install process. We no longer
> use the chassis ground on any of the Trace/Xantrex inverters, and we have
> had
> no more problems with lightning strikes taking out inverters. I know this
is
> against code but it seems to work.
>
> ANSWER - Two of the inverters installed by others that were fried did not
> have the inverter ground connected, and the C-40's were not damaged.  My
> point is that it does not seem to make any difference if it is grounded or
> not, or has lightning arresters or not.  The repair station I send them to
> said they are currently "swamped" with lightning damaged SW inverters.
>
>
> I've had some really
> bad ones, and have never went beyond about $500.  Maybe you are sending
them
> to the wrong repairman?
>
> ANSWER - We send them to an authorized Trace repair station in New Jersey.
> They were the only ones that would even return my calls as the others were
> "too busy".
>
>
> I think there is more here than first appears.
>
> Jeff Yago
>
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