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    <p>Hi Chris;</p>
    <p>That's not for the eVault.  Other Wrenches have mentioned using a
      pet heating pad with a 120 vac plug in thermostat.  I'm going to
      try that, I'll report back to the list what I find. <br>
    </p>
    <p>Secondly, I am having issues figuring out how to do the closed
      loop coms.  The Fortress instructions contradict themselves on how
      to even make up the proper CANbus cable, as apparently MODbus is
      not stable anymore, after the latest Solark firmware upgrades. 
      I'm about to just apply the KISSbus,  which is to blow off the
      closed loop com all together, and <i><b>K</b>eep <b>I</b>t <b>S</b>imple
        <b>S#@$%</b></i>!, otherwise known as No Coms at all.  <br>
    </p>
    <p>I've screwed with Com stuff since the 90s, but usually been
      disappointed, to downright horrified with the final results. 
      Somebody explain to me like a 2 year old again, why closed loop is
      so much better?  Think off grid, where reliability is 10 times
      more important than squeezing an extra 5% capacity out of the
      battery.... Notes in the online instructions such as "<i>Failure
        to properly upgrade the firmware may cause the battery to stop
        working!",  </i> are not making we want to push ahead with
      closed loop either.<br>
    </p>
    <p>Ray<br>
    </p>
    <div class="moz-cite-prefix">On 2/9/2023 11:01 AM, Chris Schaefer
      via RE-wrenches wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAFOvL0Y5uSXeXeiKSYk94VYLC_xJJeG7SDdcfjBATLCTa0n29w@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">Ray,
        <div><br>
        </div>
        <div>I'd suggest reaching out to the Fortress techie's as they
          just introduced a heater product for their enclosure products.
          While I don't believe they have a unit specif to the eVault
          but you should be able to make it work.</div>
        <div><br>
        </div>
        <div>Christopher</div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Wed, Feb 8, 2023 at 6:43 PM
          Jerry Shafer via RE-wrenches <<a
            href="mailto:re-wrenches@lists.re-wrenches.org"
            moz-do-not-send="true" class="moz-txt-link-freetext">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">Pet heater have worked for me, I air gap a
            sealed heater box under the battery, thermostat inside the
            top of the battery.  It's slow and low power but does the
            trick
            <div dir="auto">Fun times</div>
          </div>
          <br>
          <div class="gmail_quote">
            <div dir="ltr" class="gmail_attr">On Wed, Feb 8, 2023, 3:05
              PM Ray Walters via RE-wrenches <<a
                href="mailto:re-wrenches@lists.re-wrenches.org"
                target="_blank" moz-do-not-send="true"
                class="moz-txt-link-freetext">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">Hi All;<br>
              <br>
              I have a fresh Fortress Evault installation with a Solark
              inverter.  The <br>
              batteries are indoors in the center of the house, but the
              customer is <br>
              not there full time, so the battery is unfortunately going
              below <br>
              freezing.  What are the best options for setting up a
              heating system for <br>
              the E Vault?<br>
              <br>
              Here are ideas that I have not tried, but am considering:<br>
              1) add a 240 v, 1000 w baseboard heater in the room near
              the battery <br>
              that is wired to only run off the generator.  Run the
              generator until <br>
              the heat comes up, and then hopefully after 30 minutes,
              the battery <br>
              would begin accepting a charge.<br>
              <br>
              2) Add an 120 vac heating blanket under the evault that
              would be wired <br>
              to a thermostat, but also have a relay control from the PV
              system, so <br>
              that the heater would only operate when the sun was out,
              and the battery <br>
              was below 50F.   I don't quite know how to set this up
              with the Solark's <br>
              load controls.<br>
              <br>
              I've considered some DC options, but they don't make much
              sense, since <br>
              the inverter has to be on to charge from PV anyway.<br>
              <br>
              The long term plan is for the client to finish the
              insulation, and sheet <br>
              rock, and add a gas wall heater in there as needed.<br>
              <br>
              Thanks,<br>
              <br>
              Ray Walters<br>
              Remote Solar<br>
              in the Colorado mountain cold.....<br>
              <br>
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      -- <br>
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                  <p style="text-align:center"><span
                      style="font-size:10pt;color:rgb(31,73,125)"><font
                        face="Arial, sans-serif">Chris Schaefer’s<br>
                      </font></span><a
                      href="http:www.solarandwindfx.com"
                      style="font-size:12.8px" target="_blank"
                      moz-do-not-send="true"><img
src="http://www.solarandwindfx.com/wp-content/uploads/2015/01/Solar-Wind-FX-Logo.png"
                        style="color: rgb(31, 73, 125); font-family:
                        Arial, sans-serif; font-size: 10pt;"
                        moz-do-not-send="true" width="200" height="40"></a><br>
                    <i><span
                        style="font-family:Arial,sans-serif;color:rgb(31,73,125)"><span
                          style="font-size:9pt">Tel/Fax
                          585-229-2083 or Cell 585-748-1870 </span><span
                          style="font-size:12px"><br>
                        </span></span></i><i style="font-size:12.8px"><span
                        style="font-size:10pt"><font color="#1f497d"><font
                            face="Arial, sans-serif">5115
                            South Hill Road ~ Canandaigua New York 14424<br>
                          </font></font></span></i><i
                      style="font-size:12.8px"><span
style="font-size:10pt;font-family:Arial,"sans-serif";color:rgb(31,73,125)"><a
                          href="http://www.solarandwindfx.com"
                          target="_blank" moz-do-not-send="true"><span
                            style="color:blue">www.solarandwindfx.com</span></a>
                        ~ E-mail: <span style="color:blue"><a
                            href="mailto:chris@solarandwindfx.com"
                            target="_blank" moz-do-not-send="true"
                            class="moz-txt-link-freetext">chris@solarandwindfx.com</a></span></span></i></p>
                  <p style="text-align:center"><i><span
style="font-size:10pt;font-family:Arial,"sans-serif";color:rgb(31,73,125)"><img
src="http://solarandwindfx.com/wp-content/uploads/2015/01/certs.jpg"
                          moz-do-not-send="true" width="200" height="56"><br>
                      </span></i></p>
                  <p style="text-align:center"><span
style="font-size:10pt;font-family:Arial,"sans-serif";color:black">Thomas
                      Jefferson,
                      the author of our great Constitution, once said,
                      "democracy" will
                      cease to exist when you take away from those who
                      are willing to work and give
                      to those who would not."</span><span
style="font-size:10pt;font-family:Arial,"sans-serif";color:rgb(31,73,125)"></span></p>
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