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<DIV><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I concur with William’s recommendations and would add a couple of things.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Only use stainless steel hardware for all battery connections.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Wire brush connection surfaces prior to mating.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Use corrosion inhibiting grease on all fittings after making them (to seal out air).<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Lastly, It is a good idea to use stainless Belleville washers (cupped spring washers) in current carrying connections.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Bolt head, washer, Battery terminal, washer, Belleville washer, locknut.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The spring washer maintains clamping force as the connection expands and contracts (thermally).<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>They are very common place in high current bus bar connections but I rarely see them used on batteries.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Best Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>John Berdner<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>General Manager, North America<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>SolarEdge Technologies, Inc.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>3347 Gateway Boulevard, Fremont CA 94538 USA </span><b><i><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#C00000'>(*Please note of our new address.)</span></i></b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><br>T: 510.498.3200, X 747<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>M: 530.277.4894 <o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></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"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> re-wrenches-bounces@lists.re-wrenches.org [mailto:re-wrenches-bounces@lists.re-wrenches.org] <b>On Behalf Of </b>William Miller<br><b>Sent:</b> Monday, March 25, 2013 12:41 PM<br><b>To:</b> RE-wrenches<br><b>Subject:</b> Re: [RE-wrenches] GSCM-mini with Honda EM5000SX<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Eric:<br><br>The generator-based charging may impose higher currents into the batteries than either PV charging or inverter consumption, triggering the problem. <br><br>Melted battery terminals are not uncommon. You must have washers under your bolt heads with lead flanges. Otherwise the bolt heads sink into the lead, loosening connections. All mating surfaces need to be newly wired brushed just before assembly. Battery connections need to be re-torqued annually.<br><br>William Miller<br><br>At 09:40 AM 3/25/2013, you wrote:<br><br><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Larry,<br></span> <br><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Thanks for your reply. For some reason the schematic I received from the tech at Atkinson did not show any wires being connected to pins 9 & 10 and as I'm a literalist I did not make those connections. After I received your (and other) feedback I connected gen power to those pins and the AGS seemed to function fine. Within 2 days the customer called me back saying his genny was shutting off after 20 mins of runtime. I told him to disconnect or reprogram one system component at a time to find the fault source. Before a fault source was determined, he observed that two batteries in his bank were experiencing the "battery terminals melting into the battery casing" (as was texted to me by the customer). I have no idea how a GSCM interface would cause or allow an overcurrent fault at the batteries but the timing of the installation seems to indicate that the AGS is at fault. Ever heard of this before?<br></span> <br><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Eric Stikes<br>SunHarvest Solar<br></span> <br><br><o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal>We install solar pool pumps quite frequently here in the Caribbean. We use Sunpumps - excellent company, great support. Email Joe Lines joe@<a href="mailto:joe@sunpumps.com">sunpumps.com</a> for design assistance, he is very helpful.<br><br><br>On Wed, Feb 20, 2013 at 1:02 PM, William Korthof <<a href="mailto:wkorthof@gmail.com">wkorthof@gmail.com</a>> wrote:<br><br><o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>A few questions. <br><br>I have a customer who really wants a solar-direct pool pump for his home. Medium size in-ground pool and I'd like the pump to be strong enough to lift to the solar pool panels (12 ft lift above pool level). I'd like to offer him hardware that is at least one notch above experimental beta-test. I remember the SunCentric from several years ago, but not sure how durable that turned out, and I was having trouble a vendor for it now. Any suggestions for today with some favorable track record? Or suggestions on what to avoid? <br><span style='color:#888888'><br>William Korthof<br>Sustainable Solutions Partners<br><br></span><br>_______________________________________________<br>List sponsored by Home Power magazine<br><br>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br><br>Options & settings:<br><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br>List-Archive: <a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a><br><br>List rules & etiquette:<br><a href="http://www.re-wrenches.org/etiquette.htm">www.re-wrenches.org/etiquette.htm</a><br><br>Check out participant bios:<br><a href="http://www.members.re-wrenches.org">www.members.re-wrenches.org</a><o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'><br><br><br>-- <br>Chris Mason <br>President, Comet Systems Ltd<br><a href="http://www.cometenergysystems.com">www.cometenergysystems.com</a><br>Cell: 264.235.5670<br>Skype: netconcepts<o:p></o:p></p><div align=center class=MsoNormal style='text-align:center'><hr align=center size=2 width="100%"></div><p class=MsoNormal><br>_______________________________________________<br>List sponsored by Home Power magazine<br><br>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br><br>Options & settings:<br><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br>List-Archive: <a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a><br><br>List rules & etiquette:<br><a href="http://www.re-wrenches.org/etiquette.htm">www.re-wrenches.org/etiquette.htm</a><br><br>Check out participant bios:<br><a href="http://www.members.re-wrenches.org">www.members.re-wrenches.org</a><o:p></o:p></p></blockquote><p class=MsoNormal style='margin-bottom:12.0pt'><EM4000SX_MINI-01.PDF>_______________________________________________<br>List sponsored by Home Power magazine<br><br>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br><br>Change email address & settings:<br><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br>List-Archive: <a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a><br><br>List rules & etiquette:<br><a href="http://www.re-wrenches.org/etiquette.htm">www.re-wrenches.org/etiquette.htm</a><br><br>Check out participant bios:<br><a href="http://www.members.re-wrenches.org">www.members.re-wrenches.org</a><br><br><o:p></o:p></p><div align=center class=MsoNormal style='text-align:center'><hr align=center size=2 width="100%"></div><p class=MsoNormal>_______________________________________________<br>List sponsored by Home Power magazine<br><br>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br><br>Change email address & settings:<br><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br>List-Archive: <a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a><br><br>List rules & etiquette:<br><a href="http://www.re-wrenches.org/etiquette.htm">www.re-wrenches.org/etiquette.htm</a><br><br>Check out participant bios:<br><a href="http://www.members.re-wrenches.org/">www.members.re-wrenches.org</a><o:p></o:p></p><p class=MsoNormal>_______________________________________________<br>List sponsored by Home Power magazine<br><br>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br><br>Change email address & settings:<br><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br>List-Archive: <a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a><br><br>List rules & etiquette:<br><a href="http://www.re-wrenches.org/etiquette.htm">www.re-wrenches.org/etiquette.htm</a><br><br>Check out participant bios:<br><a href="http://www.members.re-wrenches.org/">www.members.re-wrenches.org</a><o:p></o:p></p><p>Miller Solar<br>Voice :805-438-5600<br>email: <a href="mailto:william@millersolar.com">william@millersolar.com</a><br><a href="http://millersolar.com/">http://millersolar.com<br></a>License No. C-10-773985<o:p></o:p></p></div></DIV>
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