With SMA's assistance, we're replacing the two 10 kW TLs with non-TL SB US inverters.
marco _____ From: [email protected] [[email protected]] on behalf of August Goers [[email protected]] Sent: Tuesday, March 25, 2014 8:41 PM To: RE-wrenches Subject: Re: [RE-wrenches] Unusual problem with SMA TL inverter on metal roof Hi Marco, Did you ever make any progress on this issue? We're having an interesting issue with one of the new Sunny Tri-Power inverters (a 24 kW unit in this case) where we get an error "residual current too high." We've only done a little troubleshooting so far but I don't think we have a ground fault. Best, August Luminalt From: [email protected] [mailto:[email protected]] On Behalf Of Marco Mangelsdorf Sent: Friday, March 14, 2014 9:56 AM To: 'RE-wrenches' Subject: Re: [RE-wrenches] Unusual problem with SMA TL inverter on metal roof Probably not. From: [email protected] [mailto:[email protected]] 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: [email protected] [mailto:[email protected]] 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 _____ No virus found in this message. Checked by AVG - www.avg.com Version: 2014.0.4336 / Virus Database: 3722/7186 - Release Date: 03/12/14 _____ No virus found in this message. Checked by AVG - www.avg.com Version: 2014.0.4336 / Virus Database: 3722/7186 - Release Date: 03/12/14
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