<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Oh boy.<div class="">Which BP models. </div><div class="">I mean those things have had lots of trouble.</div><div class=""><br class=""></div><div class="">jay</div><div class="">peltz power<br class=""><div><blockquote type="cite" class=""><div class="">On Jul 22, 2016, at 8:23 AM, August Goers <<a href="mailto:august@luminalt.com" class="">august@luminalt.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="WordSection1" style="page: WordSection1; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="color: rgb(31, 73, 125);" class="">Glen,</span></div><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="color: rgb(31, 73, 125);" class=""> </span></p><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="color: rgb(31, 73, 125);" class="">It’s interesting you mention that you’re having AFCI issues with new TL inverters and old modules. We are too. We have a particular system with BP modules where we’re trying to figure out if we have a warranty claim situation. We’ve cleaned up all the DC-side wiring and still the Sunny Boy is tripping with AFCI errors. We think it is either corroded traces in the modules or perhaps bypass diode issues in the module j-boxes. More to come.</span></div><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="color: rgb(31, 73, 125);" class=""> </span></p><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="color: rgb(31, 73, 125);" class="">August</span></div><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="color: rgb(31, 73, 125);" class=""> </span></p><div class=""><div style="border-style: solid none none; border-top-color: rgb(181, 196, 223); border-top-width: 1pt; padding: 3pt 0in 0in;" class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><b class=""><span style="font-size: 10pt; font-family: Tahoma, sans-serif;" class="">From:</span></b><span style="font-size: 10pt; font-family: Tahoma, sans-serif;" class=""><span class="Apple-converted-space"> </span>RE-wrenches [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" style="color: purple; text-decoration: underline;" class="">re-wrenches-bounces@lists.re-wrenches.org</a>]<span class="Apple-converted-space"> </span><b class="">On Behalf Of<span class="Apple-converted-space"> </span></b>Glenn Burt<br class=""><b class="">Sent:</b><span class="Apple-converted-space"> </span>Friday, July 22, 2016 5:08 AM<br class=""><b class="">To:</b><span class="Apple-converted-space"> </span>RE-wrenches<br class=""><b class="">Subject:</b><span class="Apple-converted-space"> </span>Re: [RE-wrenches] Replacing grounded inverters</span></div></div></div><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> </p><div class=""><div class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">If you read some of the proposed changes for the 2017 NEC, it is looking life there will be no problem replacing isolated inverters with non-isolated versions. In fact the proposed wording seems to allow either USE, or PV wire to be used with non-isolated inverters explicitly going forward.<br class="">It made me feel better about doing recent replacements.<br class="">I'm having more trouble with the TL inverters and AFCI issues on older systems, however.</div></div></div><div class=""><div class="MsoNormal" align="center" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; text-align: center;"><span style="font-size: 12pt; font-family: 'Times New Roman', serif;" class=""><hr size="2" width="100%" align="center" class=""></span></div><p class="MsoNormal" style="margin: 0in 0in 12pt; font-size: 11pt; font-family: Calibri, sans-serif;"><b class="">From:<span class="Apple-converted-space"> </span></b><a href="mailto:Gary@SYVSolar.com" style="color: purple; text-decoration: underline;" class="">Gary at Santa Ynez Valley Solar</a><span style="font-size: 12pt; font-family: 'Times New Roman', serif;" class=""><br class=""></span><b class="">Sent:<span class="Apple-converted-space"> </span></b>7/21/2016 21:43<span style="font-size: 12pt; font-family: 'Times New Roman', serif;" class=""><br class=""></span><b class="">To:<span class="Apple-converted-space"> </span></b><a href="mailto:re-wrenches@lists.re-wrenches.org" style="color: purple; text-decoration: underline;" class="">re-wrenches@lists.re-wrenches.org</a><span style="font-size: 12pt; font-family: 'Times New Roman', serif;" class=""><br class=""></span><b class="">Subject:<span class="Apple-converted-space"> </span></b>[RE-wrenches] Replacing grounded inverters<span style="font-size: 12pt; font-family: 'Times New Roman', serif;" class=""></span></p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: 'Gotham Book';" class="">We are all facing having to replace the old transformer based inverters when they run out. Really difficult to find replacements. Against code to replace with transformer less ones. I wonder if a DC/DC transformer could be installed just ahead of the transformer less inverter for isolation purposes? Not clear on the concept.</span></div><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 10pt; font-family: 'Gotham Book';" class=""> </span></p><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 10pt; font-family: 'Gotham Book';" class=""> </span></p><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: 'Gotham Book';" class="">Gary</span></div><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 10pt; font-family: 'Gotham Book';" class=""> </span></p><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 10pt; font-family: 'Gotham Book';" class=""> </span></p><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: 'Gotham Book';" class="">Gary Gordon</span></div><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 4pt; font-family: 'Gotham Book';" class=""> </span></p><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: 'Gotham Book';" class=""> <span class="Apple-converted-space"> </span><object border="0" width="115" height="39" id="Picture_x0020_1" alt="cid:image001.jpg@01D06621.23813A90" class="" data="cid:image001.jpg@01D1E37E.6CF62470" type="application/x-apple-msg-attachment"></object></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: 'Gotham Book';" class=""> <span class="Apple-converted-space"> </span></span><span style="" class=""><a href="http://www.syvsolar.com/" style="color: purple; text-decoration: underline;" class=""><span style="font-size: 10pt; font-family: 'Gotham Book';" class="">www.SYVSolar.com</span></a></span><span style="font-size: 10pt; font-family: 'Gotham Book';" class=""></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: 'Gotham Book';" class=""> <span class="Apple-converted-space"> </span>PO Box 688<span class="Apple-converted-space"> </span></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: 'Gotham Book';" class=""> <span class="Apple-converted-space"> </span>Santa Ynez, CA 93460</span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: 'Gotham Book';" class=""> <span class="Apple-converted-space"> </span>805 688-1213</span></div><div style="margin: 0in 0in 0.0001pt; 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