<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr"></div><div dir="ltr">The older versions of the SW didnt have the GTI plug or need it. </div><div dir="ltr"><br></div><div dir="ltr">What I find curious is what was said about the lineman that they measured current. </div><div dir="ltr">If the lines were off, no way that inverter could power it up or even the transformer. </div><div dir="ltr"><br></div><div dir="ltr">I’d recommend checking current just to confirm what’s going on. </div><div dir="ltr"><br></div><div dir="ltr">Jay</div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br><blockquote type="cite">On Dec 19, 2022, at 9:18 AM, Steve Higgins via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div dir="ltr">Great Point, Todd... Todd is correct. Wire the Utility to the AC2 Input (Generator), and it won't be able to sell at all. <div><br></div><div>Steve Higgins. </div><div><br></div><div><div><br></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Dec 19, 2022 at 8:14 AM Todd Cory via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><font face="georgia" size="5"><p style="margin:0px;padding:0px;font-family:georgia;font-size:18pt">If the grid is wired to AC2, then the inverter can charge off off that source but not sell to it.<br><br>Todd</p>
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<p style="margin:0px;padding:0px;font-family:georgia;font-size:18pt"><br><br>On Monday, December 19, 2022 7:50am, "Tump via RE-wrenches" <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>> said:<br><br></p>
<div id="m_1644681392841628585SafeStyles1671466351">I have neve heard that but I would connect the utility to the AC1 input as the window is quite narrow then the grid. The GTI was a piss poor way for trace to regulate “sell” current would ramp up & back down all day long. NOT necessary. BUT then again that old duffer; SH probably has more brain cells left then I do. <br>
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<div>On Dec 19, 2022, at 10:27 AM, Chad Waits via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>> wrote:</div>
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<div>I thought the SW needed a <a href="https://www.altestore.com/store/media/pdfs/xantrex/Grid%20Tie%20Interface%20(GTI)%20Data%20Sheet.pdf" target="_blank">Grid Tie Interface (GTI)</a> to keep current from leaking out to the grid even if you didn;t want to sell to them...</div>
<div><span style="font-family:tahoma,sans-serif">Chad Waits<br>President - Net Zero Solar<br></span></div>
<div><span style="font-family:tahoma,sans-serif">945 W. Silverlake, Tucson, AZ 85713</span></div>
<div><span style="font-family:tahoma,sans-serif">Cell: (520) 270-4873</span></div>
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<div class="gmail_attr" dir="ltr">On Mon, Dec 19, 2022 at 8:21 AM David Palumbo via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>> wrote:</div>
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<p class="MsoNormal" style="margin:0px;padding:0px;font-family:georgia;font-size:18pt"><span style="font-size:10pt;font-family:Helvetica,sans-serif">Wrenches,</span></p>
<p class="MsoNormal" style="margin:0px;padding:0px;font-family:georgia;font-size:18pt"><span style="font-size:10pt;font-family:Helvetica,sans-serif"> </span></p>
<p class="MsoNormal" style="margin:0px;padding:0px;font-family:georgia;font-size:18pt"><span style="font-size:10pt;font-family:Helvetica,sans-serif">I have been retired from doing solar installs for 10 years now and I am reaching out for help as to recommending a solution to an old do-it-yourself customers question.</span></p>
<p class="MsoNormal" style="margin:0px;padding:0px;font-family:georgia;font-size:18pt"><span style="font-size:10pt;font-family:Helvetica,sans-serif">His solar system that was formerly off-grid and is now using grid power instead of a back up generator. </span></p>
<p class="MsoNormal" style="margin:0px;padding:0px;font-family:georgia;font-size:18pt"><span style="font-size:10pt;font-family:Helvetica,sans-serif">He had/has no intention of doing a net-metered system. Just trying to reduce dependance on a fossil fuel genset during our mostly sunless Vermont winters. </span></p>
<p class="MsoNormal" style="margin:0px;padding:0px;font-family:georgia;font-size:18pt"><span style="font-size:10pt;font-family:Helvetica,sans-serif"> </span></p>
<p class="MsoNormal" style="margin:0px;padding:0px;font-family:georgia;font-size:18pt"><span style="font-size:10pt;font-family:Helvetica,sans-serif">He says that he brought in power a few years ago to run their expanding maple sugaring operation located next to their house. At that time they ran a 115Vac circuit (grid power) over to their house and connected grid power into AC Hot In terminal #! in their Trace SW 2512. This is correct as I see terminal #2 is labeled for generator power. </span></p>
<p class="MsoNormal" style="margin:0px;padding:0px;font-family:georgia;font-size:18pt"><span style="font-size:10pt;font-family:Helvetica,sans-serif">He has the Trace programmed for float mode not sell mode.</span></p>
<p class="MsoNormal" style="margin:0px;padding:0px;font-family:georgia;font-size:18pt"><span style="font-size:10pt;font-family:Helvetica,sans-serif"> </span></p>
<p class="MsoNormal" style="margin:0px;padding:0px;font-family:georgia;font-size:18pt"><span style="font-size:10pt;font-family:Helvetica,sans-serif">Their local utility was working on the line nearby on the main road and noticed a small amount of current flowing into the grid and figured out where it was coming from. The utility did not immediately shut him down. Just told him to correct the problem. He is asking me for advice.</span></p>
<p class="MsoNormal" style="margin:0px;padding:0px;font-family:georgia;font-size:18pt"><span style="font-size:10pt;font-family:Helvetica,sans-serif"> </span></p>
<p class="MsoNormal" style="margin:0px;padding:0px;font-family:georgia;font-size:18pt"><span style="font-size:10pt;font-family:Helvetica,sans-serif">My first inclination is to separate the grid power completely from the inverter power and to feed both power sources into a double pole double throw transfer switch. What other options should be considered. </span></p>
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<p class="MsoNormal" style="margin:0px;padding:0px;font-family:georgia;font-size:18pt"><span style="font-size:10pt;font-family:Helvetica,sans-serif">Thanks in advance and happy holidays,</span></p>
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<p class="MsoNormal" style="margin:0px;padding:0px;font-family:georgia;font-size:18pt"><span style="font-size:10pt;font-family:Helvetica,sans-serif">Dave Palumbo</span></p>
<p class="MsoNormal" style="margin:0px;padding:0px;font-family:georgia;font-size:18pt"><span style="font-size:10pt;font-family:Helvetica,sans-serif">Formerly > Independent Power & Light</span></p>
<p class="MsoNormal" style="margin:0px;padding:0px;font-family:georgia;font-size:18pt"><span style="font-size:10pt;font-family:Helvetica,sans-serif">Hyde Park, VT</span></p>
<p class="MsoNormal" style="margin:0px;padding:0px;font-family:georgia;font-size:18pt"><span style="font-size:10pt;font-family:Helvetica,sans-serif">802-371-8678 voice or text</span></p>
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<div style="overflow-wrap: break-word;"><span style="font-family:"Times New Roman";font-size:12px"><strong><a>Tump</a><a href="mailto:3391@gmail.com" target="_blank">3391@gmail.com</a></strong> <a><strong>www.SWNL.net</strong></a></span>
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