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<p class="MsoNormal">John <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">It often seems that reality was not the prime mover in the design of eQuest.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I could name several other system types that have similar limitations. 
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Maybe it would not be interesting if we didn’t have to come up with cleaver work arounds.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt;color:#339545">Melissa Crowe, BEMP, LEED AP</span></b><o:p></o:p></p>
<p class="MsoNormal" style="line-height:150%"><span style="color:#241E21">Sr Mechanical/Energy Engineer</span><o:p></o:p></p>
<p class="MsoNormal" style="line-height:150%"><a href="https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.cmta.com%2F&data=05%7C01%7CMCrowe%40cmta.com%7Cee9dc156e1f248123f2808da29e84448%7C7bb63ee7a3e14d75b5a56f9549f171a3%7C0%7C0%7C637868374796753279%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=gn955gOnIqvl6WsiUQEJ1mSVzguQnJKsZbrH4ZyxJI8%3D&reserved=0"><span style="color:windowtext;text-decoration:none"><img border="0" width="143" height="42" style="width:1.4895in;height:.4375in" id="Picture_x0020_17" src="cid:image001.png@01D88014.B035B280"></span></a><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#241E21">161 Worcester Road, Suite 305</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#241E21">Framingham, MA 01701</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#241E21">O: 508.647.9200 </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#241E21">C: 978-204-2559</span><o:p></o:p></p>
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<p class="MsoNormal"><b>From:</b> John Aulbach <jra_sac@yahoo.com> <br>
<b>Sent:</b> Tuesday, June 14, 2022 5:28 PM<br>
<b>To:</b> David Eldridge <deldridge@grummanbutkus.com>; equest-users@lists.onebuilding.org; Melissa Crowe <MCrowe@cmta.com>; Chetan Kadakia <kadakia.energy@gmail.com><br>
<b>Subject:</b> Re: [Equest-users] Dual Duct with package Cooling<o:p></o:p></p>
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<strong><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:red">EXTERNAL SENDER:
</span></strong><span style="font-size:10.0pt;color:black">This email originated outside of CMTA. Do not click links or open attachments unless you know the sender and know the content is safe.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Verdana",sans-serif">Thank you. Melissa, I think you hit the nail on the head. I am AMAZED that eQuest cannot formally do DX dual duct. Those systems certainly DO exist. Just never noticed the
 omission before in the program.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">On Tuesday, June 14, 2022, 02:14:35 PM PDT, Melissa Crowe <<a href="mailto:mcrowe@cmta.com">mcrowe@cmta.com</a>> wrote:
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<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">I replied too fast the multi zone is only DX will not allow CHW.<o:p></o:p></span></p>
<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> <o:p></o:p></span></p>
<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">However this is not thermally equivalent to Dual Duct where you can cool one zone while heating the other with out reheating.<o:p></o:p></span></p>
<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> <o:p></o:p></span></p>
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<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> <o:p></o:p></span></p>
<p class="yiv8616268074msonormal"><b><span style="font-size:12.0pt;font-family:"Helvetica",sans-serif;color:#339545">Melissa Crowe, BEMP, LEED AP</span></b><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
<p class="yiv8616268074msonormal" style="line-height:150%"><span style="font-size:10.0pt;line-height:150%;font-family:"Helvetica",sans-serif;color:#241E21">Sr Mechanical/Energy Engineer</span><span style="font-size:10.0pt;line-height:150%;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
<p class="yiv8616268074msonormal" style="line-height:150%"><a href="https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.cmta.com%2F&data=05%7C01%7CMCrowe%40cmta.com%7Ca9f2cc4792cc48e9213008da4e4cc39c%7C7bb63ee7a3e14d75b5a56f9549f171a3%7C0%7C0%7C637908388859876151%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=OB8P4ERz8Cjz285CTEEwkWFCCMsALqj67lUqptp5%2Ba4%3D&reserved=0" target="_blank"><span style="font-size:10.0pt;line-height:150%;font-family:"Helvetica",sans-serif;color:windowtext;text-decoration:none"><img border="0" width="143" height="42" style="width:1.4895in;height:.4375in" id="yiv8616268074_x005f_x0000_i1032" src="cid:image001.png@01D88014.B035B280"></span></a><span style="font-size:10.0pt;line-height:150%;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#241E21">161 Worcester Road, Suite 305</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#241E21">Framingham, MA 01701</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#241E21">O: 508.647.9200
</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
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<p class="yiv8616268074msonormal"><b><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">From:</span></b><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> David Eldridge <<a href="mailto:DEldridge@grummanbutkus.com">DEldridge@grummanbutkus.com</a>>
<br>
<b>Sent:</b> Tuesday, June 14, 2022 5:06 PM<br>
<b>To:</b> Melissa Crowe <<a href="mailto:MCrowe@cmta.com">MCrowe@cmta.com</a>>; John Aulbach <<a href="mailto:jra_sac@yahoo.com">jra_sac@yahoo.com</a>>;
<a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> RE: [Equest-users] Dual Duct with package Cooling<o:p></o:p></span></p>
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<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> <o:p></o:p></span></p>
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<span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#212121">You don't often get email from
<a href="mailto:deldridge@grummanbutkus.com" target="_blank">deldridge@grummanbutkus.com</a>.
<a href="https://aka.ms/LearnAboutSenderIdentification" target="_blank">Learn why this is important</a></span><o:p></o:p></p>
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<p class="yiv8616268074msonormal" style="line-height:12.0pt;background:#FFDB58"><strong><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:red">EXTERNAL SENDER:
</span></strong><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black">This email originated outside of CMTA. Do not click links or open attachments unless you know the sender and know the content is safe.</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
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<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">Does it let you pick DX for the multizone AHU type?<o:p></o:p></span></p>
<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> <o:p></o:p></span></p>
<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">David<o:p></o:p></span></p>
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<p class="yiv8616268074msonormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#26282A"> </span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
<p class="yiv8616268074msonormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#26282A"> </span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
<p class="yiv8616268074msonormal"><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#1F497D">David S. Eldridge, Jr.</span></b><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#244061">, P</span></b><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#1F497D">.</span></b><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#244061">E</span></b><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#1F497D">.</span></b><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#244061">,
 BEMP, BEAP, HBDP, GGF/A</span></b><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
<p class="yiv8616268074msonormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#365F91">Direct: (847) 316-92</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#1F497D">24</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#365F91">
 | Mobile: (</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#1F497D">773</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#365F91">)
</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#1F497D">490</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#365F91">-</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#1F497D">5038</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
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<p class="yiv8616268074msonormal"><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#244061">Grumman|Butkus Associates</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:#365F91">| 820 Davis Street, Suite 300 | Evanston, IL 60201</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
<p class="yiv8616268074msonormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:gray">Energy Efficiency Consultants and Sustainable Design Engineers</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
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<p class="yiv8616268074msonormal"><b><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">From:</span></b><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> Equest-users <<a href="mailto:equest-users-bounces@lists.onebuilding.org" target="_blank">equest-users-bounces@lists.onebuilding.org</a>>
<b>On Behalf Of </b>Melissa Crowe via Equest-users<br>
<b>Sent:</b> Tuesday, June 14, 2022 3:19 PM<br>
<b>To:</b> John Aulbach <<a href="mailto:jra_sac@yahoo.com" target="_blank">jra_sac@yahoo.com</a>>;
<a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Equest-users] Dual Duct with package Cooling<o:p></o:p></span></p>
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<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> <o:p></o:p></span></p>
<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">Hi John<o:p></o:p></span></p>
<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> <o:p></o:p></span></p>
<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">If by packaged Cooing you mean Air Cooled DX then, how about trying:
<o:p></o:p></span></p>
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<li class="yiv8616268074msolistparagraph" style="color:#26282A;mso-list:l0 level1 lfo1">
<span style="font-size:10.0pt;font-family:"Helvetica",sans-serif">Dual Duct system w. CHW
<o:p></o:p></span></li><li class="yiv8616268074msolistparagraph" style="color:#26282A;mso-list:l0 level1 lfo1">
<span style="font-size:10.0pt;font-family:"Helvetica",sans-serif">“Chiller” =  Air cooled with appropriate compressor type (recip or scroll) and count<o:p></o:p></span></li><li class="yiv8616268074msolistparagraph" style="color:#26282A;mso-list:l0 level1 lfo1">
<span style="font-size:10.0pt;font-family:"Helvetica",sans-serif">Pump power = 0<o:p></o:p></span></li><li class="yiv8616268074msolistparagraph" style="color:#26282A;mso-list:l0 level1 lfo1">
<span style="font-size:10.0pt;font-family:"Helvetica",sans-serif">CHW supply temperature = ~ DX evaporator T<o:p></o:p></span></li></ul>
<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> <o:p></o:p></span></p>
<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">Good luck<o:p></o:p></span></p>
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<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> <o:p></o:p></span></p>
<p class="yiv8616268074msonormal"><b><span style="font-size:12.0pt;font-family:"Helvetica",sans-serif;color:#339545">Melissa Crowe, BEMP, LEED AP</span></b><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
<p class="yiv8616268074msonormal" style="line-height:150%"><span style="font-size:10.0pt;line-height:150%;font-family:"Helvetica",sans-serif;color:#241E21">Sr Mechanical/Energy Engineer</span><span style="font-size:10.0pt;line-height:150%;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
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<p class="yiv8616268074msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#241E21">161 Worcester Road, Suite 305</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
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<p class="yiv8616268074msonormal"><b><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">From:</span></b><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> John Aulbach <<a href="mailto:jra_sac@yahoo.com" target="_blank">jra_sac@yahoo.com</a>>
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<b>Sent:</b> Tuesday, June 14, 2022 1:54 PM<br>
<b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> [Equest-users] Dual Duct with package Cooling<o:p></o:p></span></p>
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<p class="yiv8616268074msonormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#26282A">A friend of mine asked me about such a system. I looked it up, and lo and behold, eQuest doesn't this as a system.</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
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<p class="yiv8616268074msonormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#26282A">Is there any equivalent system that can dynamically mimic this?</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
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<p class="yiv8616268074msonormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#26282A">Thanks,</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
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<p class="yiv8616268074msonormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#26282A">John R. Aulbach, PE</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p></o:p></span></p>
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