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<p class="MsoNormal">Hey John!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">One way to skin the cat: Under the Airside Systems tab (SYSTEM inputs), you can assign an optional cooling availability and/or heating availability schedule to limit/control the availability of either heating or cooling, independent of
the fan schedule.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I don$B!G(Bt think this is generally limited to DX/heatpump systems – you can use the same inputs to control heating/cooling coil availability in a hydronic system as well (which would allow for something like a hydronic loop to keep circulating
but have specific systems stop drawing on the associated loop).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hope that$B!G(Bs helpful!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">~Nick<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#3A7A46">Nick Caton, P.E. (US), BEMP</span></b><b><span style="font-family:"Arial",sans-serif;color:#3A7A46"><o:p></o:p></span></b></p>
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<p class="MsoNormal" align="right" style="text-align:right"><b><span lang="JA" style="font-size:12.0pt;font-family:"Yu Gothic",sans-serif;color:#3A7A46">$B%K%C%/(B</span></b><b><span lang="JA" style="font-size:12.0pt;color:#3A7A46">
</span></b><b><span lang="JA" style="font-size:12.0pt;font-family:"Yu Gothic",sans-serif;color:#3A7A46">$B%1!<%H%s(B</span></b><b><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#3A7A46">, P.E. (US), BEMP</span></b><span style="font-size:9.0pt;color:#626469"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:150%"><span style="font-size:9.0pt;line-height:150%;font-family:"Arial",sans-serif;color:#626469">Senior Energy Engineer</span><span style="font-size:9.0pt;line-height:150%;font-family:"Arial",sans-serif;color:#1F497D"><br>
</span><span style="font-size:9.0pt;line-height:150%;font-family:"Arial",sans-serif;color:#626469">Energy Manager, Yokota Airbase
<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:150%"><span style="font-size:9.0pt;line-height:150%;font-family:"Arial",sans-serif;color:#626469">ESS - Energy & Sustainability Services</span><o:p></o:p></p>
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<p class="MsoNormal" style="line-height:150%"><span style="font-size:9.0pt;line-height:150%;font-family:"Arial",sans-serif;color:#57B069">M JP</span><span style="font-size:9.0pt;line-height:150%;font-family:"Arial",sans-serif;color:#1F497D"><br>
</span><span style="font-size:9.0pt;line-height:150%;font-family:"Arial",sans-serif;color:#57B069">M US</span><span style="font-size:9.0pt;line-height:150%;font-family:"Arial",sans-serif;color:#1F497D"><br>
</span><span style="font-size:9.0pt;line-height:150%;font-family:"Arial",sans-serif;color:#57B069">DSN</span><o:p></o:p></p>
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<p class="MsoNormal" style="line-height:150%"><span style="font-size:9.0pt;line-height:150%;font-family:"Arial",sans-serif;color:#626469">+81 . 070 . 3366 . 3317</span><o:p></o:p></p>
<p class="MsoNormal" style="line-height:150%"><span style="font-size:9.0pt;line-height:150%;font-family:"Arial",sans-serif;color:#626469">+1 . 785 . 410 . 3317</span><o:p></o:p></p>
<p class="MsoNormal" style="line-height:150%"><span style="font-size:9.0pt;line-height:150%;font-family:"Arial",sans-serif;color:#626469"> 315 . 225 . 1672</span><o:p></o:p></p>
<p class="MsoNormal"><a href="mailto:nicholas.caton@se.com"><span style="font-size:9.0pt">nicholas.caton@se.com</span></a><o:p></o:p></p>
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ESS - </span><span lang="JA" style="font-size:9.0pt;font-family:"Yu Gothic",sans-serif;color:#626469">$B%(%J%8!<;}B32DG=@-%5!<%S%9(B</span><o:p></o:p></p>
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<span style="font-size:6.0pt;font-family:"Arial",sans-serif;color:#626469">Internal</span><o:p></o:p></p>
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<p class="MsoNormal"><b>From:</b> Equest-users <equest-users-bounces@lists.onebuilding.org>
<b>On Behalf Of </b>John Aulbach via Equest-users<br>
<b>Sent:</b> Tuesday, June 14, 2022 12:11 PM<br>
<b>To:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> [Equest-users] Shutting off DX cooling in winter<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p><span style="color:red">[External email: Use caution with links and attachments]</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Verdana",sans-serif">I know i asked this question before, but I have misplaced the answer. And i do not believe it was a thermostat control.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Verdana",sans-serif">If i want to keep the heating going in a DX VAV system in the winter and shut down cooling, how would this be done?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Verdana",sans-serif">The fan must keep going but the DX compressor must stop.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Verdana",sans-serif">In a chilled water system, you can shut off the pump. But no pump exists in a DX system.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Verdana",sans-serif">Thanks in advance.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Verdana",sans-serif">John R. Aulbach, PE<o:p></o:p></span></p>
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