[RE-wrenches] Unusual problem with SMA TL inverter on metal roof

[Marco Mangelsdorf]

Yes, SPR 327s.

 

marco

 

From: re-wrenches-bounces at lists.re-wrenches.org
[mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Gregory
Seelhorst
Sent: Thursday, March 13, 2014 9:21 PM
To: RE-wrenches
Subject: Re: [RE-wrenches] Unusual problem with SMA TL inverter on metal
roof

 

Marco

What is the make and model of the modules?   SPR-327s perhaps?

Greg

On Mar 14, 2014 4:53 AM, "Marco Mangelsdorf" <marco at pvthawaii.com> wrote:

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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