<div dir="ltr"><div dir="ltr">Hey Nick,<div><br></div><div>In the updated version of eQUEST, most of the descriptions have been replaced by curves - a more transparent approach, imo.</div><div><br></div><div>So, the first field defines the curve. The second field defines that you are indeed using the curve. This is likely because one method predating the other as you suggest.</div><div><br></div><div>If you select anything else in the lower field, even "variable speed", it will use one of the historical curves from eQUEST, instead of the default VAV curve. BTW - the default variable speed curve is different than if you select "Variable Speed"!<br><br>Thanks to your help Nick, and going through almost every new keyword, I will be going over some of these things in an upcoming 3 hour workshop. <a href="http://energy-models.com/content/equest-doe23-webinar">http://energy-models.com/content/equest-doe23-webinar</a><br><br>Best,<br><br>Bob</div><div>Simulate.Energy<br>Energy-models.com</div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Feb 28, 2020 at 8:56 AM Nicholas Caton via Equest-users <<a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.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">





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<p class="MsoNormal">eQuest wizards, if specifying a VAV, will generate systems using a library curve and the following 2 lines:
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<p class="MsoNormal" style="margin-left:0.5in">FAN-CONTROL = FAN-EIR-FPLR<u></u><u></u></p>
<p class="MsoNormal" style="margin-left:0.5in">FAN-EIR_FPLR = “Variable Speed Drive FPLR”<u></u><u></u></p>
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<p class="MsoNormal">Looks like this in the interface:<u></u><u></u></p>
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<p class="MsoNormal">Is there a practical reason this approach is taken in lieu of FAN-CONTROL = SPEED?  Does one input option perhaps predate the other?  Do these approaches result in different effective curves to describe net fan/motor/VSD effects as a function
 of flow?  Do these approaches perhaps interact differently in the presence of a MIN-FAN-RATIO?<u></u><u></u></p>
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<p class="MsoNormal">I am being lazy here – but if someone has a slow afternoon, some of these open questions would be easy enough to quantify with a dummy model and some custom hourlies =).<u></u><u></u></p>
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<p class="MsoNormal">~Nick<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><b><span style="font-family:Arial,sans-serif;color:rgb(58,122,70)">Nick Caton, P.E., BEMP</span></b><span style="color:rgb(58,122,70)"><u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:9pt;font-family:Arial,sans-serif;color:rgb(98,100,105)">  Senior Energy Engineer<u></u><u></u></span></p>
<p class="MsoNormal" style="text-indent:4.5pt"><span style="font-size:9pt;font-family:Arial,sans-serif;color:rgb(98,100,105)">  Energy and Sustainability Services</span><span style="font-size:9pt;font-family:Arial,sans-serif;color:rgb(31,73,125)"><br>
</span><span style="font-size:9pt;font-family:Arial,sans-serif;color:rgb(98,100,105)">  Energy Performance Contracting
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<p class="MsoNormal"><span style="font-size:9pt;font-family:Arial,sans-serif;color:rgb(98,100,105)">913 . 564 . 6361<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:Arial,sans-serif;color:rgb(98,100,105)">785 . 410 . 3317<u></u><u></u></span></p>
<p class="MsoNormal"><u><span style="font-size:9pt;font-family:Arial,sans-serif;color:rgb(98,100,105)"><a href="mailto:nicholas.caton@se.com" target="_blank"><span style="font-family:Calibri,sans-serif;color:rgb(98,100,105)">nicholas.caton@se.com</span></a></span></u><span style="font-size:9pt;color:rgb(31,73,125)"><u></u><u></u></span></p>
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<p class="MsoNormal" align="right" style="text-align:right"><span style="font-size:9pt;font-family:Arial,sans-serif;color:rgb(98,100,105)">15200 Santa Fe Trail Drive<br>
Suite 204<br>
Lenexa, KS 66219<br>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><font face="georgia, serif" style="color:rgb(136,136,136);font-size:12.8px"><span style="font-size:12.8px"><b>The Energy Simulation Academy</b></span></font><div style="color:rgb(136,136,136);font-size:12.8px;font-family:Arial,Helvetica,sans-serif"><a href="http://simulate.energy/" style="color:rgb(17,85,204)" target="_blank"><img src="https://docs.google.com/uc?export=download&id=1HlkgKdB26cSbEQN-U6d4hm8Zg-jrpCyg&revid=0B1vD4jOXrCvQVGdobk9laElydW5hYU0wUVphVUUyRlUyZFZZPQ" width="200" height="131"></a></div><div style="color:rgb(136,136,136);font-size:12.8px;font-family:Arial,Helvetica,sans-serif"><a href="http://simulate.energy/" style="color:rgb(17,85,204)" target="_blank">Simulate.Energy</a></div><div style="color:rgb(136,136,136);font-size:12.8px;font-family:Arial,Helvetica,sans-serif">Follow us on <a href="https://www.linkedin.com/in/the-energy-simulation-academy-tesa-42584b16b/" target="_blank">Linkedin</a> and <a href="https://www.facebook.com/groups/245943612664667/?ref=bookmarks" target="_blank">Facebook</a></div><div style="font-family:Arial,Helvetica,sans-serif"><br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div><div hspace="streak-pt-mark" style="max-height:1px"><img alt="" style="width:0px;max-height:0px;overflow:hidden" src="https://mailfoogae.appspot.com/t?sender=aaW5mb0BlbmVyZ3ktbW9kZWxzLmNvbQ%3D%3D&type=zerocontent&guid=bb49e03e-fec9-4dc7-9f95-3213377cca69"><font color="#ffffff" size="1">ᐧ</font></div>