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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D">Varkie,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D">Which version of eQUEST are you using? If it's a new version then you should be able to model it as a chiller. See attached documentation - pg 68 (73 of the
PDF)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="text-autospace:none"><b><span style="font-size:9.0pt;
font-family:"Arial","sans-serif";color:gray">Vikram Sami</span></b><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray">, LEED AP<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.0pt;
font-family:"Arial","sans-serif";color:gray">Sustainable Design Analyst<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.0pt;
font-family:"Arial","sans-serif";color:gray">1382 Peachtree St. NE, Atlanta, GA 30309<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.0pt;
font-family:"Arial","sans-serif";color:gray">t: 404-443-7462 f:
</span><span lang="ES" style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray">404.892.5823 </span><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray"> e: vikram.sami@perkinswill.com
</span><span style="font-size:11.0pt;font-family:
"Calibri","sans-serif";color:#1F497D"><a href="http://www.perkinswill.com/"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray;text-decoration:
none">www.perkinswill.com</span></a></span><span style="font-size:9.0pt;
font-family:"Arial","sans-serif";color:gray"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:3.0pt;text-autospace:none"><b><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray">Perkins+Will.</span></b><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray">
</span><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#ADD425">Ideas + buildings that honor the broader goals of society</span><span style="font-size:
9.0pt;font-family:"Arial","sans-serif";color:green"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> equest-users-bounces@lists.onebuilding.org [mailto:equest-users-bounces@lists.onebuilding.org]
<b>On Behalf Of </b>Varkie C Thomas<br>
<b>Sent:</b> Monday, June 28, 2010 1:08 PM<br>
<b>To:</b> Varkie C Thomas<br>
<b>Cc:</b> Sethi, Amarpreet; equest-users@lists.onebuilding.org; Jonathan Smith<br>
<b>Subject:</b> Re: [Equest-users] Waterside Economizer<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">I am having a hard time getting
</span><span style="font-family:"Arial Unicode MS","sans-serif"">�</span><span style="font-family:"Calibri","sans-serif"">Chiller Type = Waterside Economizer</span><span style="font-family:"Arial Unicode MS","sans-serif"">�</span><span style="font-family:"Calibri","sans-serif"">
to work in eQ. I received 2 messages recommending this as the solution. I have 2 more saying that they have not been able
</span><span style="font-family:"Calibri","sans-serif"">to model WSE in eQ. Please let me know if it is not supposed to work.
<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">Unlike DOE2.1E this is the only minimum input required in eQ. In this project during WSE operation we require a Clg-Twr leaving temp (Plate & Frame HX entering temp) of 42F so that the CHW
temp leaving the HX is 44F or 46F. The eQ default is 85F. Even with this default and
</span><span style="font-family:"Arial Unicode MS","sans-serif"">�</span><span style="font-family:"Calibri","sans-serif"">Chiller Type = Waterside Economizer</span><span style="font-family:"Arial Unicode MS","sans-serif"">�</span><span style="font-family:"Calibri","sans-serif"">
I get the error message </span><span style="font-family:"Arial Unicode MS","sans-serif"">�</span><span style="font-family:"Calibri","sans-serif"">Condenser Water Loop has Zero Design Flow</span><span style="font-family:"Arial Unicode MS","sans-serif"">�</span><span style="font-family:"Calibri","sans-serif"">.</span><span style="font-family:
"Calibri","sans-serif""><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">Unlike DOE2.1E there is no way of attaching a schedule for WSE operation. I have attached eQ input-output
</span><span style="font-family:"Arial Unicode MS","sans-serif"">�</span><span style="font-family:"Calibri","sans-serif"">Without-WSE-1</span><span style="font-family:"Arial Unicode MS","sans-serif"">�</span><span style="font-family:"Calibri","sans-serif"">
and </span><span style="font-family:
"Arial Unicode MS","sans-serif"">�</span><span style="font-family:"Calibri","sans-serif"">With-WSE-2</span><span style="font-family:"Arial Unicode MS","sans-serif"">�</span><span style="font-family:"Calibri","sans-serif"">;
DOE2.1E definitions of WSE commands and keywords; a sample DOE2.1E plant section input showing WSE; a schematic of Plate & Frame HX; and my eQ input for WSE and the re</span><span style="font-family:"Calibri","sans-serif"">sulting error message. The attached
project is dummy to test eQ for WSE.<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">Has anyone modeled WSE with eQ? WSE works with DOE2.1E commands and keywords. Does Waterside Economizer work with EnergyPlus (this project is also going to be modeled with E+ using Design-Builder
interface for building and systems), TRACE or HAP</span><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">Varkie</span><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <span style="font-family:"Calibri","sans-serif""><o:p></o:p></span></p>
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