<div dir="auto">Dave <div dir="auto"> Its a good idea to think of batteries the same way you do PV Modules. Any time you have more then two strings they get individual fuse protection, this is also good for diagnoses purpuses too.</div><div dir="auto">The current installation has no protection, safety and l would change it.</div><div dir="auto">As far as operation goes it works but thats not a exceptable reason to leave it that way is. </div><div dir="auto">Jerry</div><div dir="auto"><br></div></div><br><div class="gmail_quote"><div dir="ltr">On Mon, Jul 23, 2018, 6:56 AM Dave Tedeyan <<a href="mailto:dtedeyan@taitem.com">dtedeyan@taitem.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">
<span style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Since we are on the topic of bad battery practices...</span><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">I may be fixing up a system that was both designed and installed very poorly.</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">They have a 24V Outback VFXR inverter, and ten 12V AGM batteries wired into</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">5 parallel strings. I know that is a bad idea, but since they already have the </div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">equipment, are there any safety issues by re-using this equipment? It is for a </div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">grid tie battery backup system that will remain in float most of the time. I assume </div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">that the batteries will not last particularly long, but is there any harm in using them</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">and then just getting new batteries once they fail?</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">Stringing is shown in the attached picture.</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">Cheers, </div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">Dave</div>
<br clear="all"><div><div class="m_-476407063005569640gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><br></div><div><b><font face="arial, helvetica, sans-serif">--</font></b></div><div><b><font face="arial, helvetica, sans-serif"><br></font></b></div><div><b><font face="arial, helvetica, sans-serif">Dave Tedeyan</font><br></b></div><div><b>Senior Engineer</b></div><div><br></div><div><b>Taitem Engineering, PC</b></div><div>10 Verizon Lane, Lansing, NY 14882</div><div><font color="#000000">Voice: <a value="+16072771118" rel="noreferrer">(607) 930-3481 x6</a></font></div><div><a href="http://www.taitem.com/" target="_blank" rel="noreferrer"><font color="#000000">www.taitem.com</font></a></div></div></div></div></div></div></div></div>
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