<div dir="ltr">Hi Bill,<div><br></div><div>Are all your voltages calibrated? Mate, Flexmax, FM80? Where are you reading the voltages? </div><div><br></div><div>Does it work OK manually?</div><div><br></div><div><br></div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Thu, Jan 2, 2025 at 12:08 PM Jay 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"><div dir="auto"><div dir="ltr"></div><div dir="ltr">Simpliphy has a very high voltage LVD. </div><div dir="ltr">And the older OB can’t be programmed to those voltages </div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br><blockquote type="cite">On Jan 2, 2025, at 10:04 AM, Tyrone Houck via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div dir="auto"><div>Forgive my ignorance but why won't the vfx lbco work for lithium?</div><div><br></div><div><br> </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jan 2, 2025, 8:19 AM Bill Battagin via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">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">I am trying to use the "low battery disconnect" in aux mode in a newly <br>
installed OB FM80 CC for Li battery low voltage protection. I can't use <br>
the 19 year old OB VFX inverters for obvious reasons. The plan is to run <br>
the 12 volt output from the aux output to a NC relay to open it at 50 <br>
VDC of the bank of SimpliPhi 3.8M batteries. 50 VDC is SimpliPhi's <br>
recommendation for LVD. The "output" of the relay would be connected to <br>
the VFX's ON-OFF landings of that little green terminal block in the AC <br>
side of the inverter and just act as a simple switch for the inverter to <br>
turn it off to save the batteries.<br>
<br>
I'm using one of my newer FM80's as a test run and have <br>
programmed the voltages in Low Battery Disconnect mode and then put it <br>
in auto mode. However, as the CC goes below the voltage set point, the <br>
AUX output does not turn on (time set for 5 seconds), as evidence in the <br>
CC's home screen and by checking for 12V at the AUX terminal block.<br>
<br>
Any ideas of what I'm missing here to make this work? I <br>
know the other solution, thousands of $$ for new inverters which would <br>
be great but these folks have already invested quite a chuck on array <br>
replacement and charge controllers.<br>
<br>
Thanks for any experience with this.<br>
<br>
Bill<br>
<br>
Feather River Solar Electric<br>
Bill Battagin, owner<br>
4291 Nelson St. (Shipping)<br>
<a href="https://www.google.com/maps/search/5575+Genesee+Rd?entry=gmail&source=g" target="_blank">5575 Genesee Rd</a>. (USPS, UPS)<br>
Taylorsville, CA 95983<br>
530-284-7849, 258-1641(cell)<br>
CA. C10 Lic # 874049<br>
Solar Powered since 1982<br>
Home of the Sunny Side Up<br>
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</blockquote></div><div><br clear="all"></div><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div><br></div><div><font color="#305A78" face="'times new roman', serif"><br></font></div><div><br></div>Mac Lewis<br><br><span style="font-family:"Times New Roman";font-size:medium;color:rgb(255,153,0)"><b><font face="Arial, Helvetica, sans-serif" size="3"><p align="left"><font color="#000000" face="Verdana, Arial, Helvetica, sans-serif"><span style="font-size:small"><span style="font-family:arial;font-weight:normal;color:rgb(48,90,120)"><font face="'times new roman', serif">"Yo solo sé que no sé nada." </font><span style="font-weight:700;color:rgb(104,104,104)"><font face="'times new roman', serif">-Sócrates</font></span></span></span></font></p></font></b></span></div>