<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    <p>usually it is the difference between an energy loss and an energy
      gain.<br>
    </p>
    <br>
    <div class="moz-cite-prefix">On 08/23/2017 13:20, Farnaz Gholamali
      via TRNSYS-users wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:1246283239.585077.1503512415282@mail.yahoo.com">
      <div style="color:#000; background-color:#fff; font-family:times
        new roman, new york, times, serif;font-size:13px">
        <div id="yui_3_16_0_ym19_1_1503512112509_2461">Hi dear trnsys
          users</div>
        <div id="yui_3_16_0_ym19_1_1503512112509_2461"><br>
        </div>
        <div id="yui_3_16_0_ym19_1_1503512112509_2461">I'm using type 50
          PVT collector. Does any body knows what is the reason of
          flactuation of useful energy rate between negative and
          positive results?</div>
        <div id="yui_3_16_0_ym19_1_1503512112509_2461"><br>
        </div>
        <div id="yui_3_16_0_ym19_1_1503512112509_2461">thank you</div>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
TRNSYS-users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:TRNSYS-users@lists.onebuilding.org">TRNSYS-users@lists.onebuilding.org</a>
<a class="moz-txt-link-freetext" href="http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org">http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org</a>
</pre>
    </blockquote>
    <br>
    <pre class="moz-signature" cols="72">-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI  53703 USA

P:+1.608.274.2577
F:+1.608.278.1475
<a class="moz-txt-link-abbreviated" href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a>

<a class="moz-txt-link-freetext" href="http://www.tess-inc.com">http://www.tess-inc.com</a>
<a class="moz-txt-link-freetext" href="http://www.trnsys.com">http://www.trnsys.com</a></pre>
  </body>
</html>