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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I believe that the best way to model a VRF system in eQUEST is
to create an air to air heat pump system. You can create custom performance
curves so the model does not penalize you as much when the temperature decreases.
You will not be utilizing VRFs energy sharing capabilities but you should be
close depending on the building’s diversity.<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>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Good luck,<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>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Otto<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>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<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"'> Lopez, Phylroy
[mailto:Phylroy.Lopez@stantec.com] <br>
<b>Sent:</b> Monday, May 10, 2010 12:21 PM<br>
<b>To:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> [Equest-users] VRF in eQuest<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Has anybody done a VRF system in eQuest? Or know of any resources
that would detail how to do this? <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>I want to make sure I am not rebuilding the wheel here. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";
color:black'>Phylroy Lopez B.Eng LEED A.P.</span></b><span style='font-size:
9.0pt;font-family:"Arial","sans-serif";color:black'><br>
Sustainable Building Specialist<br>
Stantec<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";
color:gray'>1100 - 111 Dunsmuir Street<br>
Vancouver BC V6B 6A3<br>
Ph: (604) 696-8337<br>
Fx: (604) 696-8100<o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:13.0pt;font-family:"Arial Narrow","sans-serif";
color:blue'><a href="http://www.stantec.com"><b><span style='color:#993333;
text-decoration:none'>stantec</span></b><span style='color:#003F6E;text-decoration:
none'>.com</span></a> <o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";
color:black'> <o:p></o:p></span></p>
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<div>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";
color:black'>The content of this email is the confidential property of Stantec
and should not be copied, modified, retransmitted, or used for any purpose except
with Stantec's written authorization. If you are not the intended recipient,
please delete all copies and notify us immediately.<o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";
color:black'><o:p> </o:p></span></p>
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<p class=MsoNormal><span style='font-size:13.5pt;font-family:Webdings;
color:#008040'>ü</span><span style='color:blue'> </span><span
style='font-size:10.0pt;font-family:"Arial Narrow","sans-serif";color:#008040'>Please
consider the environment before printing this email.</span><span
style='color:blue'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";
color:black'> </span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'><o:p></o:p></span></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<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>Rob Hudson<br>
<b>Sent:</b> Thursday, May 06, 2010 1:16 PM<br>
<b>To:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> [Equest-users] Reheat/preheat/heating help<o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I have a constant volume VAV system with a preheat coil, no
heating coil, and reheat box at the terminal. The preheat is steam and
the reheat is hot water. I am looking for verification on the way i set
this up in the model. I set the heating capacity to 0 on the system level
and entered in a preheat coil under the preheat/baseboard tab. Also under
the preheat tab, i entered my capacity and leaving air temp (50deg). On
the coil cap/control tab i have entered my zone entering max supply temp = 87
deg, thats the temp i want the reheats to go up to. Then under each
separate VAV zone, i entered the reheat capacity under the Maximum Heating
Rate. <br>
<br>
Let me know if i confused anyone or need to send pictures or files.<br>
<br>
-- <br>
Rob Hudson<o:p></o:p></p>
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