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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">If (and only if) your system type happens to be fan coil (FC) then thermal zone variable 39 gives you the return air absolute humidity ratio for the fan coil. But for other systems it either gives
the coil leaving temp or 0. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><img width="453" height="187" style="width:4.7187in;height:1.9479in" id="Picture_x0020_1" src="cid:image004.png@01D981D5.32ED9B30"></span><span style="mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Beyond that, I believe you are limited to the system return air absolute humidity ratio.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">From absolute humidity and temperature, I have had good success with the excel psych add-in for psychrometric calculations.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Would love to hear a better answer.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:8.0pt;line-height:106%"><span style="font-size:10.0pt;line-height:106%;font-family:"Arial",sans-serif;color:#006298">Brian</span><span style="font-size:10.0pt;line-height:106%;font-family:"Arial",sans-serif;color:#3D3935"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Equest-users <equest-users-bounces@lists.onebuilding.org>
<b>On Behalf Of </b>Omer Moltay via Equest-users<br>
<b>Sent:</b> Monday, May 8, 2023 5:19 PM<br>
<b>To:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> [Equest-users] Relative Humidity for Spaces<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"><strong><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black">CAUTION: This message originated from outside Smith + Andersen</span></strong><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black"><o:p></o:p></span></p>
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<p>Dear All,<o:p></o:p></p>
<p>Is there a way to get RH values for indoor spaces output in hourly reports in eQuest for thermal comfort evaluation?<o:p></o:p></p>
<p>Thank you in advance,<o:p></o:p></p>
<p>Ömer Moltay, LEED AP BD+C, ASHRAE BEMP, ASHRAE CPMP <br>
Mimta EcoYapi, LEED Proven Provider <br>
Hekimsuyu Cad. 559. Sk. <br>
No:39 34255 Kucukkoy Istanbul Turkey <br>
Tel: 90-212-617-2296 <br>
Fax: 90-212-617-2297 <br>
Mobile: 90-533-957-1394 <br>
<a href="https://protect-ca.mimecast.com/s/AnYHCNLwJPtmYpgH4lGOa">www.eco-yapi.com</a><o:p></o:p></p>
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