[RE-wrenches] Unusual problem with SMA TL inverter on metal roof
Marco Mangelsdorf
marco at pvthawaii.com
Fri Mar 14 09:55:44 PDT 2014
Probably not.
From: re-wrenches-bounces at lists.re-wrenches.org
[mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of RE Ellison
Sent: Friday, March 14, 2014 1:24 AM
To: 'RE-wrenches'
Subject: Re: [RE-wrenches] Unusual problem with SMA TL inverter on metal
roof
Is the metal roof grounded? Just a fast thought.
bob
From: re-wrenches-bounces at lists.re-wrenches.org
[mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Marco
Mangelsdorf
Sent: Thursday, March 13, 2014 10:31 PM
To: 'RE-wrenches'
Subject: [RE-wrenches] Unusual problem with SMA TL inverter on metal roof
Friends,
We have run across an odd technical problem at our commercial install at a
laundromat on our island. Attached is the description of the issue from
SMA. We don't know much except that we are switch out the TL inverters to
the old style US inverters because SMA has no fix for the phantom ground
tripping. The issue is beyond our feeble understanding.
Any observations to share?
Thanks,
marco
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