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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I know this has been addressed previously, but for heating only spaces you can treat them as heating only spaces as long as you cite addendum “DN” in your documentation.
Check the ASHRAE website for specifics but in short this allows for heating only spaces that are served by unit heaters or unit ventilators (system 10 and 11). I think it makes more sense to treat the spaces in this manner than in adding cooling to both proposed
and baseline where it does not exist otherwise.<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"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Brendan Hall, PE, LEED AP
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Engineer, Mechanical<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>David Griffin<br>
<b>Sent:</b> Monday, November 18, 2013 10:19 AM<br>
<b>To:</b> 'Simge Andolsun'; equest-users@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] Modeling Zones with Unit heaters as per ASHRAE 90.1. Appendix G<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#17365D">Simge,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#17365D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#17365D">In the past, I’ve just altered the cooling schedule for the space, so it never goes into cooling mode. Then I model the space per ASHRAE 90.1 Appendix G.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#17365D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#17365D">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#17365D"><o:p> </o:p></span></b></p>
<p class="MsoNormal" style="margin-left:4.5pt"><b><span style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#17365D">David W. Griffin II<o:p></o:p></span></b></p>
<p class="MsoNormal" style="margin-left:4.5pt"><span style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#17365D">Energy Analyst<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:4.5pt"><span style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#17365D"><a href="mailto:dgriffin@etcgrp.com">dgriffin@etcgrp.com</a><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""> Simge Andolsun [<a href="mailto:simgeandolsun@gmail.com">mailto:simgeandolsun@gmail.com</a>]
<br>
<b>Sent:</b> Friday, November 15, 2013 4:05 PM<br>
<b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> [Equest-users] Modeling Zones with Unit heaters as per ASHRAE 90.1. Appendix G<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">ASHRAE 90.1. Appendix G says that, even if a zone is heating only in the actual building, a cooling system identical to that in the baseline system should be modeled in the as-built model with intermittent fan operation to meet the loads.
I have seen projects with zones that have only unit heaters with no cooling air supply. eQuest does not allow for modeling of any cooling system in a zone with a unit heater. What would be your approach to solving this problem?
<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">I would appreciate it very much if you could help me with this question.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Thank you very much in advance for your suggestions,<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Best Regards,<o:p></o:p></p>
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<p class="MsoNormal">Simge Andolsun, PhD.<o:p></o:p></p>
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