<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
{font-family:"Arial Black";
panose-1:2 11 10 4 2 1 2 2 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
{mso-style-priority:99;
mso-style-link:"Balloon Text Char";
margin:0in;
margin-bottom:.0001pt;
font-size:8.0pt;
font-family:"Tahoma","sans-serif";}
span.BalloonTextChar
{mso-style-name:"Balloon Text Char";
mso-style-priority:99;
mso-style-link:"Balloon Text";
font-family:"Tahoma","sans-serif";}
p.msochpdefault, li.msochpdefault, div.msochpdefault
{mso-style-name:msochpdefault;
mso-margin-top-alt:auto;
margin-right:0in;
mso-margin-bottom-alt:auto;
margin-left:0in;
font-size:10.0pt;
font-family:"Times New Roman","serif";}
span.balloontextchar0
{mso-style-name:balloontextchar;
font-family:"Tahoma","sans-serif";}
span.emailstyle19
{mso-style-name:emailstyle19;
font-family:"Calibri","sans-serif";
color:windowtext;}
span.emailstyle20
{mso-style-name:emailstyle20;
font-family:"Calibri","sans-serif";
color:#1F497D;}
span.emailstyle21
{mso-style-name:emailstyle21;
font-family:"Calibri","sans-serif";
color:#1F497D;}
span.emailstyle22
{mso-style-name:emailstyle22;
font-family:"Calibri","sans-serif";
color:#1F497D;}
span.emailstyle23
{mso-style-name:emailstyle23;
font-family:"Arial Black","sans-serif";
color:black;}
span.emailstyle24
{mso-style-name:emailstyle24;
font-family:"Calibri","sans-serif";
color:#1F497D;}
span.emailstyle25
{mso-style-name:emailstyle25;
font-family:"Calibri","sans-serif";
color:#44546A;}
span.EmailStyle28
{mso-style-type:personal;
font-family:"Calibri","sans-serif";
color:#44546A;}
span.EmailStyle29
{mso-style-type:personal;
font-family:"Calibri","sans-serif";
color:#1F497D;}
span.EmailStyle30
{mso-style-type:personal;
font-family:"Calibri","sans-serif";
color:#1F497D;}
span.EmailStyle31
{mso-style-type:personal;
font-family:"Calibri","sans-serif";
color:#1F497D;}
span.EmailStyle32
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>With SMA’s assistance, we’re replacing the two 10 kW TLs with non-TL SB US inverters.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>marco<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div><div><div class=MsoNormal align=center style='text-align:center'><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:black'><hr size=2 width="100%" align=center></span></div><div id=divRpF295909><p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a> [<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>] on behalf of August Goers [<a href="mailto:august@luminalt.com">august@luminalt.com</a>]<br><b>Sent:</b> Tuesday, March 25, 2014 8:41 PM<br><b>To:</b> RE-wrenches<br><b>Subject:</b> Re: [RE-wrenches] Unusual problem with SMA TL inverter on metal roof</span><o:p></o:p></p></div><div><div><p class=MsoNormal><span style='color:#44546A'>Hi Marco,</span><o:p></o:p></p><p class=MsoNormal><span style='color:#44546A'> </span><o:p></o:p></p><p class=MsoNormal><span style='color:#44546A'>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. </span><o:p></o:p></p><p class=MsoNormal><span style='color:#44546A'> </span><o:p></o:p></p><p class=MsoNormal><span style='color:#44546A'>Best,</span><o:p></o:p></p><p class=MsoNormal><span style='color:#44546A'> </span><o:p></o:p></p><p class=MsoNormal><span style='color:#44546A'>August</span><o:p></o:p></p><p class=MsoNormal><span style='color:#44546A'> </span><o:p></o:p></p><p class=MsoNormal><span style='color:#44546A'>Luminalt</span><o:p></o:p></p><p class=MsoNormal><span style='color:#44546A'> </span><o:p></o:p></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a> [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>Marco Mangelsdorf<br><b>Sent:</b> Friday, March 14, 2014 9:56 AM<br><b>To:</b> 'RE-wrenches'<br><b>Subject:</b> Re: [RE-wrenches] Unusual problem with SMA TL inverter on metal roof</span><o:p></o:p></p></div></div><p class=MsoNormal><span style='color:black'> </span><o:p></o:p></p><p class=MsoNormal><span style='color:#1F497D'>Probably not.</span><o:p></o:p></p><p class=MsoNormal><span style='color:#1F497D'> </span><o:p></o:p></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a> [<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">mailto:re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>RE Ellison<br><b>Sent:</b> Friday, March 14, 2014 1:24 AM<br><b>To:</b> 'RE-wrenches'<br><b>Subject:</b> Re: [RE-wrenches] Unusual problem with SMA TL inverter on metal roof</span><o:p></o:p></p></div></div><p class=MsoNormal><span style='color:black'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:18.0pt;font-family:"Arial Black","sans-serif";color:black'>Is the metal roof grounded? Just a fast thought.</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:18.0pt;font-family:"Arial Black","sans-serif";color:black'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:18.0pt;font-family:"Arial Black","sans-serif";color:black'>bob</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:18.0pt;font-family:"Arial Black","sans-serif";color:black'> </span><o:p></o:p></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a> [<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">mailto:re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>Marco Mangelsdorf<br><b>Sent:</b> Thursday, March 13, 2014 10:31 PM<br><b>To:</b> 'RE-wrenches'<br><b>Subject:</b> [RE-wrenches] Unusual problem with SMA TL inverter on metal roof</span><o:p></o:p></p></div></div><p class=MsoNormal><span style='color:black'> </span><o:p></o:p></p><p class=MsoNormal><span style='color:black'>Friends,</span><o:p></o:p></p><p class=MsoNormal><span style='color:black'> </span><o:p></o:p></p><p class=MsoNormal><span style='color:black'>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. </span><o:p></o:p></p><p class=MsoNormal><span style='color:black'> </span><o:p></o:p></p><p class=MsoNormal><span style='color:black'>Any observations to share?</span><o:p></o:p></p><p class=MsoNormal><span style='color:black'> </span><o:p></o:p></p><p class=MsoNormal><span style='color:black'>Thanks,</span><o:p></o:p></p><p class=MsoNormal><span style='color:black'> </span><o:p></o:p></p><p class=MsoNormal><span style='color:black'>marco</span><o:p></o:p></p><p class=MsoNormal><span style='color:black'> </span><o:p></o:p></p><div class=MsoNormal align=center style='text-align:center'><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:black'><hr size=1 width="100%" noshade style='color:#ACA899' align=center></span></div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:black'>No virus found in this message.<br>Checked by AVG - <a href="http://www.avg.com" target="_blank">www.avg.com</a><br>Version: 2014.0.4336 / Virus Database: 3722/7186 - Release Date: 03/12/14</span><o:p></o:p></p><div class=MsoNormal align=center style='text-align:center'><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:black'><hr size=1 width="100%" noshade style='color:#A7A6AA' align=center></span></div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:black'>No virus found in this message.<br>Checked by AVG - <a href="http://www.avg.com" target="_blank">www.avg.com</a><br>Version: 2014.0.4336 / Virus Database: 3722/7186 - Release Date: 03/12/14</span><o:p></o:p></p></div></div></div></div></div></div></body></html>