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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Vicki,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Luckily, in my case there is no economizer for those systems. The heat pumps were serving IT and Electrical rooms with no opportunity to bring in outdoor air.
<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>
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<p class="MsoNormal"><b><span style="font-size:6.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:FR"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR">Christopher R. Jones</span></b><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR">,
P.Eng.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR">Technical Specialist<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR">Sustainability & Energy<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><img width="78" height="37" id="_x0000_i1027" src="cid:image001.png@01D3A577.681B57B0"></span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR">T +1 416-644-0252<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR">2300 Yonge Street, Suite 2300<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR">Toronto, ON M4P 1E4 Canada</span><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR"><br>
<br>
</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:EN-CA"><a href="wsp.com"><span style="color:#0563C1">wsp.com</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><u><span lang="EN-CA" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:blue;mso-fareast-language:EN-CA"><o:p><span style="text-decoration:none"> </span></o:p></span></u></p>
<p class="MsoNormal" style="text-autospace:none"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#7F7F7F;mso-fareast-language:FR"><o:p> </o:p></span></b></p>
<p class="MsoNormal" style="text-autospace:none"><i><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#6EA900;mso-fareast-language:FR">Please consider the environment before printing...<o:p></o:p></span></i></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Rybl, Vicki [mailto:vrybl@RDKEngineers.com]
<br>
<b>Sent:</b> Wednesday, February 14, 2018 9:11 AM<br>
<b>To:</b> Jones, Christopher <Christopher.r.Jones@wsp.com>; John Aulbach <jra_sac@yahoo.com><br>
<b>Cc:</b> equest-users@onebuilding.org<br>
<b>Subject:</b> RE: [Equest-users] System 4 - PSZHP Unmet Hours<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:"Calibri",sans-serif">Thanks Chris – how did you deal with economizer inputs for the PTHP system?</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">John – weather file is attached.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:8.0pt;font-family:"Tahoma",sans-serif;color:black">Vicki Rybl, LEED AP BD+C, Fitwel Ambassador</span></b><span style="font-size:8.0pt;font-family:"Tahoma",sans-serif;color:black"> | Energy Engineer |</span><span style="font-size:8.0pt;font-family:"Tahoma",sans-serif;color:#006298">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><a href="http://www.nv5.com/"><b><span style="font-size:8.0pt;font-family:"Tahoma",sans-serif;color:#006298;text-decoration:none">RDK Engineers, An NV5 Company</span></b></a></span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Tahoma",sans-serif;color:black">70 Fargo Street, Suite 800 | Boston, MA 02210 | P: 857.221.5943 | F: 617.345.4226
</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Tahoma",sans-serif;color:#006298"><a href="http://www.nv5.com/contact-us/electronic-communications-disclaimer/"><span style="color:#006298">Electronic Communications Disclaimer</span></a></span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Jones, Christopher [<a href="mailto:Christopher.r.Jones@wsp.com">mailto:Christopher.r.Jones@wsp.com</a>]
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<b>Sent:</b> Wednesday, February 14, 2018 8:14 AM<br>
<b>To:</b> John Aulbach <<a href="mailto:jra_sac@yahoo.com">jra_sac@yahoo.com</a>>; Rybl, Vicki <<a href="mailto:vrybl@RDKEngineers.com">vrybl@RDKEngineers.com</a>><br>
<b>Cc:</b> <a href="mailto:equest-users@onebuilding.org">equest-users@onebuilding.org</a><br>
<b>Subject:</b> RE: [Equest-users] System 4 - PSZHP Unmet Hours</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I had the same problem with the PSZ HP system using 3.65.7173. I eventually gave up and switched to PTAC HP and the under heated hours disappeared.
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<p class="MsoNormal"><b><span style="font-size:6.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:FR"> </span></b><o:p></o:p></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR">Christopher R. Jones</span></b><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR">,
P.Eng.</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR">Technical Specialist</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR">Sustainability & Energy</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR">T +1 416-644-0252</span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR">Toronto, ON M4P 1E4 Canada</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:EN-CA"><a href="wsp.com"><span style="color:#0563C1">wsp.com</span></a></span><o:p></o:p></p>
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<p class="MsoNormal" style="text-autospace:none"><i><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#6EA900;mso-fareast-language:FR">Please consider the environment before printing...</span></i><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Equest-users [<a href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>John Aulbach via Equest-users<br>
<b>Sent:</b> Tuesday, February 13, 2018 3:38 PM<br>
<b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a>; Rybl, Vicki <<a href="mailto:vrybl@RDKEngineers.com">vrybl@RDKEngineers.com</a>><br>
<b>Subject:</b> Re: [Equest-users] System 4 - PSZHP Unmet Hours</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Verdana",sans-serif">Would you please send us your weather file also. I cannot seem to get it to download.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Verdana",sans-serif">Thanks.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Verdana",sans-serif">John</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">On Tuesday, February 13, 2018, 12:27:43 PM PST, Rybl, Vicki via Equest-users <<a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a>>
wrote: </span><o:p></o:p></p>
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<p class="yiv7722425323msonormal"><span style="font-size:11.0pt;font-family:"Helvetica",sans-serif;color:#26282A">Here are the model files.</span><o:p></o:p></p>
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<p class="yiv7722425323msonormal"><b><span style="font-size:8.0pt;font-family:"Helvetica",sans-serif;color:#26282A">Vicki Rybl, LEED AP BD+C, Fitwel Ambassador</span></b><span style="font-size:8.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> | Energy
Engineer | </span><span style="font-size:11.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><a href="http://www.nv5.com/" target="_blank"><b><span style="font-size:8.0pt">RDK Engineers, An NV5 Company</span></b></a></span><o:p></o:p></p>
<p class="yiv7722425323msonormal"><span style="font-size:8.0pt;font-family:"Helvetica",sans-serif;color:#26282A">70 Fargo Street, Suite 800 | Boston, MA 02210 | P: 857.221.5943 | F: 617.345.4226
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<p class="yiv7722425323msonormal"><span style="font-size:8.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><a href="http://www.nv5.com/contact-us/electronic-communications-disclaimer/" target="_blank"><span style="color:#006298">Electronic Communications
Disclaimer</span></a></span><o:p></o:p></p>
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<p class="yiv7722425323msonormal"><b><span style="font-size:11.0pt;font-family:"Helvetica",sans-serif;color:#26282A">From:</span></b><span style="font-size:11.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> Equest-users [<a href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>John Aulbach via Equest-users<br>
<b>Sent:</b> Tuesday, February 13, 2018 1:54 PM<br>
<b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Equest-users] System 4 - PSZHP Unmet Hours</span><o:p></o:p></p>
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<p class="yiv7722425323msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">Vicki:</span><o:p></o:p></p>
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<p class="yiv7722425323msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">Would you kindly send the Group your .INP and .PD2 files, so we can help you?</span><o:p></o:p></p>
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<p class="yiv7722425323msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">John R. Aulbach, PE</span><o:p></o:p></p>
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<p class="yiv7722425323msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">On Tuesday, February 13, 2018, 10:34:27 AM PST, Rybl, Vicki via Equest-users <<a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a>>
wrote: </span><o:p></o:p></p>
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<p class="yiv7722425323msonormal6"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">eQuesters:</span><o:p></o:p></p>
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<p class="yiv7722425323msonormal6"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">We’re working on a 90.1-2007 baseline model with System 4: PSZ-HP. It’s modeled as a Packaged Single Zone system with DX cooling and Heat Pump
heat. Unmet hours in all zones are through the roof, around 6,000. We’ve gone through all our usual methods to mitigate unmet hours to no avail (zone entering temp, schedules, total airflow, zone heat source, feels like we’ve changed every input available?).</span><o:p></o:p></p>
<p class="yiv7722425323msonormal6"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> </span><o:p></o:p></p>
<p class="yiv7722425323msonormal6"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">If the heat source is switched to electric or furnace, the unmet hours disappear. In addition, the design is a VRF system that’s being modeled
as a PSZ heat pump and has no unmet hours.</span><o:p></o:p></p>
<p class="yiv7722425323msonormal6"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> </span><o:p></o:p></p>
<p class="yiv7722425323msonormal6"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">Has anyone run into this issue? What are we missing?</span><o:p></o:p></p>
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<p class="yiv7722425323msonormal6"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">Any insight is appreciated.</span><o:p></o:p></p>
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<p class="yiv7722425323msonormal6"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> </span><o:p></o:p></p>
<p class="yiv7722425323msonormal6"><b><span style="font-size:8.0pt;font-family:"Helvetica",sans-serif;color:#26282A">Vicki Rybl, LEED AP BD+C, Fitwel Ambassador</span></b><span style="font-size:8.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> | Energy
Engineer | </span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><a href="http://www.nv5.com/" target="_blank"><b><span style="font-size:8.0pt;color:#006298;text-decoration:none">RDK Engineers, An NV5 Company</span></b></a></span><o:p></o:p></p>
<p class="yiv7722425323msonormal6"><span style="font-size:8.0pt;font-family:"Helvetica",sans-serif;color:#26282A">70 Fargo Street, Suite 800 | Boston, MA 02210 | P: 857.221.5943 | F: 617.345.4226
</span><o:p></o:p></p>
<p class="yiv7722425323msonormal6"><span style="font-size:8.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> </span><o:p></o:p></p>
<p class="yiv7722425323msonormal6"><span style="font-size:8.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><a href="http://www.nv5.com/contact-us/electronic-communications-disclaimer/" target="_blank"><span style="color:#006298">Electronic Communications
Disclaimer</span></a></span><o:p></o:p></p>
<p class="yiv7722425323msonormal6"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> </span><o:p></o:p></p>
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