<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">HI William B,<div class=""><br class=""></div><div class="">That is a good point. &nbsp;And even beyond the potential CC damage, since your now potentially powering the inverter it could actually stay alive ( I\u2019ve seen this happen ) or it can cause a voltage spike from the CC which can damage the &nbsp;inverter which I\u201dve also seen.</div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">I don\u2019t know what that section of the code is trying to do, but its doing it extremely &nbsp;poorly.</div><div class=""><br class=""></div><div class="">jay</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Jan 28, 2023, at 3:32 PM, William Bryce via RE-wrenches &lt;<a href="mailto:re-wrenches@lists.re-wrenches.org" class="">re-wrenches@lists.re-wrenches.org</a>&gt; wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">All<div class=""><br class=""></div><div class="">One thing that no one is talking about is what happens to the MPPT charge controllers when the Battery Disconnect&nbsp;trips when the charge controllers are under full load.&nbsp;</div><div class="">Many will blow up. Try turning off the battery breaker on a SolaArk&nbsp; when the charge controllers are maxed, and see if you get lucky.</div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Jan 28, 2023 at 3:27 PM William Miller via RE-wrenches &lt;<a href="mailto:re-wrenches@lists.re-wrenches.org" class="">re-wrenches@lists.re-wrenches.org</a>&gt; wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="msg-1017373149271638466"><div lang="EN-US" class=""><div class="m_-1017373149271638466WordSection1"><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">Jeremy:</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">Thanks for posting the code references for those that had never looked them up.</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">Chris:</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">What do you mean by \u201c</span><span style="font-size:13.5pt" class="">a disconnect for AC wiring, not specific to which or both panel types\u201d</span><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">?</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">All:</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">Code references are handy when receiving edicts from building officials, but not required, IMHO, for two reasons:&nbsp; The contractor should already be versed in the codes and, building departments can mandate their own requirements above and beyond the code.</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">It may seem redundant to require an AC disconnect for premise wiring as well as a DC battery disconnect.&nbsp; In most cases if you disconnect the inverter from the batteries the AC power goes off.&nbsp; However if the generator is running at the time, some battery inverters can operate when disconnected from batteries.&nbsp; So to completely de-energize all components of an off-grid home you need to disconnect the generator and the battery leads.</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">In this case the home is required to have fire sprinklers.&nbsp; There is pressure pump to provide flow to these fire sprinklers-- said pump being powered by the inverter/battery system.&nbsp; I am going to apply for a waiver to remove the DC disconnect requirement on the grounds that the pressure pump is essential fire suppression equipment.&nbsp; Instead I will propose to supply an AC disconnect (meeting all requirements for accessibility and marking) that will disconnect all premise wiring except the pressure pump.&nbsp; </span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">By the way, I will of course be trying to apply the logic that the voltage specification is for nominal battery voltage and this project having a nominal 48 volt bank does not require the battery disconnect.</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">I will let the group know what response I receive.&nbsp; Regardless of how this works in this jurisdiction, I think these are both valid arguments worth trying in any jurisdiction requiring the battery disconnect.&nbsp; Some officials are amenable to dialog and negotiation and some are less so.</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">William Miller</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><div class=""><p class="MsoNormal"><span style="font-family:Arial,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">Miller Solar</span></p><p class="MsoNormal"><span style="font-family:Arial,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">17395 Oak Road, Atascadero, CA 93422</span></p><p class="MsoNormal"><span style="font-family:Arial,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">805-438-5600</span></p><p class="MsoNormal"><span style="font-family:Arial,&quot;sans-serif&quot;;color:rgb(31,73,125)" class=""><a href="http://www.millersolar.com/" target="_blank" class=""><span style="color:blue" class="">www.millersolar.com</span></a></span></p><p class="MsoNormal"><span style="font-family:Arial,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">CA Lic. 773985</span></p><div class=""><span style="font-size:11pt;font-family:Calibri,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div></div><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><div class=""><div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(181,196,223);padding:3pt 0in 0in" class=""><p class="MsoNormal"><b class=""><span style="font-size:10pt;font-family:Tahoma,&quot;sans-serif&quot;" class="">From:</span></b><span style="font-size:10pt;font-family:Tahoma,&quot;sans-serif&quot;" class=""> RE-wrenches [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank" class="">re-wrenches-bounces@lists.re-wrenches.org</a>] <b class="">On Behalf Of </b>Jeremy Rodriguez via RE-wrenches<br class=""><b class="">Sent:</b> Saturday, January 28, 2023 10:12 AM<br class=""><b class="">To:</b> <a href="mailto:cwarfel@entech-engineering.com" target="_blank" class="">cwarfel@entech-engineering.com</a>; RE-wrenches<br class=""><b class="">Cc:</b> Jeremy Rodriguez<br class=""><b class="">Subject:</b> Re: [RE-wrenches] Remote battery disconnects</span></p></div></div><div class="">&nbsp;<br class="webkit-block-placeholder"></div><div class=""><p class="MsoNormal"><span style="font-family:Tahoma,&quot;sans-serif&quot;" class="">\ufeff</span></p></div><div class=""><p class=""><strong class=""><span style="color:blue" class="">2020 Code Language:</span></strong><span style="" class=""></span></p><p class=""><em class=""><b class=""><span style="" class="">480.7 DC Disconnect Methods.</span></b></em><span style="" class=""></span></p><p class=""><em class=""><b class=""><span style="" class="">(A) Disconnecting Means.</span></b></em><span class="m_-1017373149271638466contentpasted1"><b class=""><i class=""><span style="" class="">&nbsp;</span></i></b></span><em class=""><span style="" class="">A disconnecting means shall be provided for all ungrounded conductors derived from a stationary battery system with a voltage over 60 volts dc. A disconnecting means shall be readily accessible and located within sight of the battery system.</span></em><span style="" class=""></span></p><p class=""><em class=""><b class=""><span style="background-color: rgb(204, 204, 204);" class="">N</span></b></em><span class="m_-1017373149271638466contentpasted1"><b class=""><i class=""><span style="" class="">&nbsp;</span></i></b></span><em class=""><b class=""><span style="" class="">(B) Emergency Disconnect.</span></b></em><span class="m_-1017373149271638466contentpasted1"><b class=""><i class=""><span style="" class="">&nbsp;</span></i></b></span><em class=""><span style="" class="">For one-family and two-family dwellings, a disconnecting means or its remote control for a stationary battery system shall be located at a readily accessible location outside the building for emergency use. The disconnect shall be labeled \u201cEMERGENCY DISCONNECT\u201d.</span></em><span style="" class=""></span></p><p class=""><span class="m_-1017373149271638466contentpasted1"><b class=""><i class=""><span style="background-color: rgb(204, 204, 204);" class="">N</span><span style="" class="">&nbsp;</span></i></b></span><em class=""><b class=""><span style="" class="">(C) Disconnection of Series Battery Circuits.</span></b></em><span class="m_-1017373149271638466contentpasted1"><b class=""><i class=""><span style="" class="">&nbsp;</span></i></b></span><em class=""><span style="" class="">Battery circuits exceeding 240 volts dc nominal between conductors or to ground and subject to field servicing shall have provisions to disconnect the series-connected strings into segments not exceeding 240 volts dc nominal for maintenance by qualified persons. Non-load-break bolted or plug-in disconnects shall be permitted.</span></em><span style="" class=""></span></p><div class="">&nbsp;<br class="webkit-block-placeholder"></div><div id="m_-1017373149271638466AppleMailSignature" class=""><p class="MsoNormal">Jeremy Rodriguez&nbsp; </p><div class=""><p class="MsoNormal">Solar Installation / Design</p></div><div class=""><div class=""><p class="MsoNormal">All Solar, Inc. </p><div class=""><p class="MsoNormal">1453 M St.&nbsp;</p><div class=""><p class="MsoNormal">Penrose Colorado 81240</p></div><div class=""><div class="">&nbsp;<br class="webkit-block-placeholder"></div></div><div class=""><p class="MsoNormal">Sent by Jeremy's iPhone. Sorry for typos and shorthand.&nbsp;</p></div></div></div></div></div><div class=""><p class="MsoNormal"><br class=""><br class=""></p><p class="MsoNormal" style="margin-bottom:12pt">On Jan 28, 2023, at 7:28 AM, Christopher Warfel via RE-wrenches &lt;<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank" class="">re-wrenches@lists.re-wrenches.org</a>&gt; wrote:</p></div><blockquote style="margin-top:5pt;margin-bottom:5pt" class=""><div class=""><p class="MsoNormal"><span style="font-family:Tahoma,&quot;sans-serif&quot;" class="">\ufeff</span> </p><p class=""><span style="font-size:13.5pt" class="">Seems confusing that the AHJ is requiring a disconnect for AC wiring, not specific to which or both panel types, and then a dc disconnect with no code reference.&nbsp; Was trying to convey a reasonable, safe approach.&nbsp; A lot of bad information from fire department solar consultants making a lot of money fear mongering, which has led to this type of situation.&nbsp; Chris</span></p><div class=""><p class="MsoNormal">On 1/27/2023 3:35 PM, William Miller via RE-wrenches wrote:</p></div><blockquote style="margin-top:5pt;margin-bottom:5pt" class=""><div class=""><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">Glenn:</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">As I wrote, a DC disconnect is required.&nbsp; Here is an excerpt from the Q&amp;A with the building official:</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="m_-1017373149271638466xmsolistparagraph" style="margin-left:0.5in;background:white"><span class="m_-1017373149271638466contentpasted0"><span style="font-size:11pt;font-family:Calibri,&quot;sans-serif&quot;;color:rgb(36,36,36);background:white" class="">4.</span></span><span class="m_-1017373149271638466contentpasted0"><span style="font-size:7pt;font-family:Calibri,&quot;sans-serif&quot;;color:rgb(36,36,36);background:white" class="">&nbsp;&nbsp;&nbsp;</span></span><span class="m_-1017373149271638466contentpasted0"><span style="font-size:11pt;font-family:Calibri,&quot;sans-serif&quot;;color:rgb(36,36,36);background:white" class="">Will you be requiring an external disconnect to disconnect the AC output of the inverter system from premise wiring?</span></span><span style="font-size:11pt;font-family:Calibri,&quot;sans-serif&quot;" class=""></span></p><p class="m_-1017373149271638466xmsolistparagraph" style="margin-left:0.5in;background:white"><span class="m_-1017373149271638466contentpasted0"><span style="font-size:11pt;font-family:Calibri,&quot;sans-serif&quot;;color:rgb(200,38,19);background:white" class="">Yes, as required per 230.85</span></span><span style="font-size:11pt;font-family:Calibri,&quot;sans-serif&quot;" class=""></span></p><p class="m_-1017373149271638466xmsolistparagraph" style="margin-left:0.5in;background:white"><span class="m_-1017373149271638466contentpasted0"><span style="font-size:11pt;font-family:Calibri,&quot;sans-serif&quot;;color:rgb(36,36,36);background:white" class="">5.</span></span><span class="m_-1017373149271638466contentpasted0"><span style="font-size:7pt;font-family:Calibri,&quot;sans-serif&quot;;color:rgb(36,36,36);background:white" class="">&nbsp;&nbsp;&nbsp;</span></span><span class="m_-1017373149271638466contentpasted0"><span style="font-size:11pt;font-family:Calibri,&quot;sans-serif&quot;;color:rgb(36,36,36);background:white" class="">Will you be requiring an external disconnect to disconnect batteries from the inverters?</span></span><span style="font-size:11pt;font-family:Calibri,&quot;sans-serif&quot;" class=""></span></p><p class="m_-1017373149271638466xmsolistparagraph" style="margin-left:0.5in;background:white"><span class="m_-1017373149271638466contentpasted0"><span style="font-size:11pt;font-family:Calibri,&quot;sans-serif&quot;;color:rgb(200,38,19);background:white" class="">Yes</span></span><span style="font-size:11pt;font-family:Calibri,&quot;sans-serif&quot;" class=""></span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">If the DC disconnect was not required I would not be wasting everyone\u2019s time with my post.&nbsp; I try to be careful about that, researching on my own before posting and trying to make my questions very clear.&nbsp; I also try not to embarrass myself with dumb questions, but that does happen occasionally\u2026</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">William</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><div class=""><p class="MsoNormal"><span style="font-family:Arial,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">Miller Solar</span></p><p class="MsoNormal"><span style="font-family:Arial,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">17395 Oak Road, Atascadero, CA 93422</span></p><p class="MsoNormal"><span style="font-family:Arial,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">805-438-5600</span></p><p class="MsoNormal"><span style="font-family:Arial,&quot;sans-serif&quot;;color:rgb(31,73,125)" class=""><a href="http://www.millersolar.com/" target="_blank" class="">www.millersolar.com</a></span></p><p class="MsoNormal"><span style="font-family:Arial,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">CA Lic. 773985</span></p><div class=""><span style="font-size:11pt;font-family:Calibri,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div></div><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;;color:rgb(31,73,125)" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><div class=""><div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(181,196,223);padding:3pt 0in 0in" class=""><p class="MsoNormal"><b class=""><span style="font-size:10pt;font-family:Tahoma,&quot;sans-serif&quot;" class="">From:</span></b><span style="font-size:10pt;font-family:Tahoma,&quot;sans-serif&quot;" class=""> RE-wrenches [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank" class="">re-wrenches-bounces@lists.re-wrenches.org</a>] <b class="">On Behalf Of </b>Glenn Burt via RE-wrenches<br class=""><b class="">Sent:</b> Friday, January 27, 2023 11:46 AM<br class=""><b class="">To:</b> William Miller via RE-wrenches<br class=""><b class="">Cc:</b> Glenn Burt<br class=""><b class="">Subject:</b> Re: [RE-wrenches] Remote battery disconnects</span></p></div></div><div class="">&nbsp;<br class="webkit-block-placeholder"></div><div class=""><div class=""><p class="MsoNormal"><span style="font-size:10pt" class="">Does the AHJ really want the batteries disconnected from conductors, or does he really just want the inverters to stop operating and producing AC within the house?</span></p></div><div class=""><p class="MsoNormal"><span style="font-size:10pt" class="">Obviously there is a big difference here and it may be changing as the code evolves.</span></p></div><div class=""><div class=""><span style="font-size:10pt" class="">&nbsp;</span><br class="webkit-block-placeholder"></div></div><div class=""><div class=""><p class="MsoNormal"><span style="font-size:10pt" class="">-Glenn</span></p></div><div class=""><p class="MsoNormal"><span style="font-size:10pt" class="">Sent from my 'smart'phone, so please excuse typos and spelling errors.</span></p></div></div></div><div class=""><div id="m_-1017373149271638466LGEmailHeader" class=""><div class=""><div class=""><span style="font-size:10pt" class="">&nbsp;</span><br class="webkit-block-placeholder"></div></div><div class=""><p class="MsoNormal"><span style="font-size:10pt" class="">------ Original message------</span></p></div><div class=""><p class="MsoNormal"><b class=""><span style="font-size:10pt" class="">From: </span></b><span style="font-size:10pt" class="">William Miller via RE-wrenches</span></p></div><div class=""><p class="MsoNormal"><b class=""><span style="font-size:10pt" class="">Date: </span></b><span style="font-size:10pt" class="">Fri, Jan 27, 2023 2:26 PM</span></p></div><div class=""><p class="MsoNormal"><b class=""><span style="font-size:10pt" class="">To: </span></b><span style="font-size:10pt" class="">RE-wrenches;</span></p></div><div class=""><p class="MsoNormal"><b class=""><span style="font-size:10pt" class="">Cc: </span></b><span style="font-size:10pt" class="">William Miller;</span></p></div><div class=""><p class="MsoNormal"><b class=""><span style="font-size:10pt" class="">Subject:</span></b><span style="font-size:10pt" class="">[RE-wrenches] Remote battery disconnects</span></p></div><div class=""><div class=""><span style="font-size:10pt" class="">&nbsp;</span><br class="webkit-block-placeholder"></div></div></div><div class=""><div class=""><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;" class="">Friends:</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;" class="">We have a large-ish residential off-grid system install coming up.&nbsp; The AHJ has said they will require a remote battery disconnect.&nbsp; I suspect there will be fire sprinkler controls and a pressure pump that would become inoperable if this system were engaged.&nbsp; In this case we will apply for a waiver.</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;" class="">The last time this was discussed here as far as I can find was October of 2020.&nbsp; At that time no one suggested any specific battery disconnect equipment.&nbsp; </span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;" class="">To further clarify my needs:&nbsp; There will be 4 or 5 Radian 8048 inverters (5 or 6 4/0 battery circuits, ~350A each) and two 175 amp PV recombiner outputs.&nbsp; That is 6 poles of high amperage DC disconnects.&nbsp; &nbsp;&nbsp;</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;" class="">The battery array will be either a UnigyII VRLA or a lithium of a brand yet to be determined.&nbsp; In the case of lithium we will look for a system that can remotely enable a BMS shutdown.&nbsp; In the case of a VRLA lead-acid, we will not have that luxury.</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;" class="">I have done some considerable research and have not found viable, high amperage, remotely activated shutdown equipment.</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;" class="">I am wondering what hardware others may be using to achieve remote battery disconnecting in these types of cases..</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Verdana,&quot;sans-serif&quot;" class="">William</span></p><div class=""><span style="font-family:Verdana,&quot;sans-serif&quot;" class="">&nbsp;</span><br class="webkit-block-placeholder"></div><p class="MsoNormal"><span style="font-family:Arial,&quot;sans-serif&quot;" class="">Miller Solar</span></p><p class="MsoNormal"><span style="font-family:Arial,&quot;sans-serif&quot;" class="">17395 Oak Road, Atascadero, CA 93422</span></p><p class="MsoNormal"><span style="font-family:Arial,&quot;sans-serif&quot;" class=""><a href="tel:805-438-5600" target="_blank" class="">805-438-5600</a></span></p><p class="MsoNormal"><span style="font-family:Arial,&quot;sans-serif&quot;" class=""><a href="http://www.millersolar.com/" target="_blank" class="">www.millersolar.com</a></span></p><p class="MsoNormal"><span style="font-family:Arial,&quot;sans-serif&quot;" class="">CA Lic. 773985</span></p><div class="">&nbsp;<br class="webkit-block-placeholder"></div><div class="">&nbsp;<br class="webkit-block-placeholder"></div></div></div></div></div><p class="MsoNormal" style="margin-right:1in;margin-left:1in;margin-bottom:0.0001pt"><br class=""><br class=""></p></blockquote></div></blockquote></div></div></div>
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