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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">In the past, I defined the custom schedule for VAV min. flow schedule, trying to closely capture the occupancy pattern. However, this is for energy saving
project, not for LEED.<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">Best regards,<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"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Eric Yang, P.E. CEM.
</span></b><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">LEED AP®<o:p></o:p></span></b></p>
<p class="MsoNormal" style="mso-margin-top-alt:5.0pt;margin-right:0in;margin-bottom:5.0pt;margin-left:0in">
<b><span style="font-size:9.0pt;font-family:"Calibri","sans-serif";color:#1F497D">ASHRAE HBDP CPMP CEAP</span></b><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">Federal Group</span><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">
<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">NORESCO<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">2750 Prosperity Avenue, Suite 130
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">Fairfax, Va, 22031<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">Phone 703.846.9700 ex 25 | Cell 202-802-1849 | eyang@noresco.com<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a href="www.noresco.com"><span style="font-size:10.0pt;font-family:"Times New Roman","serif";color:#807F83;text-decoration:none">www.noresco.com</span></a></span><span style="font-size:9.0pt;font-family:"Calibri","sans-serif";color:#807F83"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:8.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:9.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">Confidentiality Note:<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">Dissemination, distribution or copying of this e-mail or the information herein by anyone other than the intended recipient, or an employee or agent of a system
responsible for delivering the message to the intended recipient, is prohibited. If you are not the intended recipient, please inform the sender and delete all copies.<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:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> John Aulbach via Equest-users [mailto:equest-users@lists.onebuilding.org]
<br>
<b>Sent:</b> Thursday, March 16, 2017 12:30 PM<br>
<b>To:</b> Michael Mantai; Manuela Mengue; 'equest-users@lists.onebuilding.org'<br>
<b>Subject:</b> Re: [Equest-users] HVAC Occupancy Sensors<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"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif"">Too early in the morning for deep thinking.Wait for Nick Caton for best answer.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif"">One can manipulate airflow (and outdoor air) by hour for one's purpose. How much energy savings is questionable.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif"">If you have a VAV system, airflow will automatically reduce when load reduces. Might be the best way to simulate it, even if you have no VAV. Just keep people and lighting
at same level, until an unoccupied period happens.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif"">John<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif"">On Thursday, March 16, 2017, 9:00:21 AM PDT, Michael Mantai <<a href="mailto:mmantai@systemworcx.com">mmantai@systemworcx.com</a>> wrote:<o:p></o:p></span></p>
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<p class="yiv2216308810msonormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">I’ve never tried to account for this in a model, although we’ve had several projects connect HVAC to occupancy sensors. I’m wondering if you could adjust the
zone min. airflow setpoint to the lower unoccupied setpoint for 10% of the occupied hours, to kind of match the 10% reduction in LPD per Appendix G. If the zone temperature setpoint is also reset based on the occupancy sensor, it seems like you could also
adjust the temperature setpoint schedules in eQuest to the lower/higher unoccupied settings for 10% of the occupied hours. My guess is this would have negligible effect on energy savings, but maybe not.</span><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
<p class="yiv2216308810msonormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
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<p class="yiv2216308810msonormal"><b><span style="font-size:13.5pt;font-family:"Calibri","sans-serif";color:black">From:
</span></b><span style="font-size:13.5pt;font-family:"Calibri","sans-serif";color:black">Equest-users <<a href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a>> on behalf of Manuela Mengue via Equest-users <<a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a>><br>
<b>Reply-To: </b>Manuela Mengue <<a href="mailto:mmengue@dagherengineering.com">mmengue@dagherengineering.com</a>><br>
<b>Date: </b>Thursday, March 16, 2017 at 10:59 AM<br>
<b>To: </b>John Aulbach <<a href="mailto:jra_sac@yahoo.com">jra_sac@yahoo.com</a>>, "'equest-users@lists.onebuilding.org'" <<a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a>><br>
<b>Subject: </b>Re: [Equest-users] HVAC Occupancy Sensors</span><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
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<p class="yiv2216308810msonormal"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""> <o:p></o:p></span></p>
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<p class="yiv2216308810msonormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">John,</span><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
<p class="yiv2216308810msonormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
<p class="yiv2216308810msonormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">See Appendix G – Table G3.2 (2) Occupancy sensor for Non-24h and <5000 ft2.</span><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
<p class="yiv2216308810msonormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
<p class="yiv2216308810msonormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">My question pertained to the HVAC component which achieves additional savings for installing occupancy sensors.</span><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
<p class="yiv2216308810msonormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
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<p class="yiv2216308810msonormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Best regards,</span><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
<p class="yiv2216308810msonormal" style="background:white"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif""> </span><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
<p class="yiv2216308810msonormal" style="background:white"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif"">Manuela Mengue</span><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
<p class="yiv2216308810msonormal" style="background:white"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif"">Design Engineer</span><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
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<p class="yiv2216308810msonormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
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<p class="yiv2216308810msonormal"><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""> John Aulbach [<a href="mailto:jra_sac@yahoo.com">mailto:jra_sac@yahoo.com</a>]
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<b>Sent:</b> Thursday, March 16, 2017 10:38 AM<br>
<b>To:</b> Manuela Mengue <<a href="mailto:mmengue@dagherengineering.com">mmengue@dagherengineering.com</a>>; 'equest-users@lists.onebuilding.org' <<a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a>><br>
<b>Subject:</b> Re: [Equest-users] HVAC Occupancy Sensors</span><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
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<p class="yiv2216308810msonormal"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""> <o:p></o:p></span></p>
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<p class="yiv2216308810msonormal"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif"">Somewhere, in the mysteries of space, I have always been told to use 15% less lighting for the proposed case for occupancy sensors. I am unsure of the source.
ASHRAE ??<o:p></o:p></span></p>
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<p class="yiv2216308810msonormal"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""> <o:p></o:p></span></p>
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<p class="yiv2216308810msonormal"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif"">John R. Aulbach, PE<o:p></o:p></span></p>
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<p class="yiv2216308810msonormal"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""> <o:p></o:p></span></p>
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<p class="yiv2216308810msonormal"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif"">On Thursday, March 16, 2017, 6:02:34 AM PDT, Manuela Mengue via Equest-users <<a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a>>
wrote:<o:p></o:p></span></p>
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<p class="yiv2216308810msonormal3"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif";color:black">Hi all,</span><span style="font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
<p class="yiv2216308810msonormal3"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif";color:black"> </span><span style="font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
<p class="yiv2216308810msonormal3"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif";color:black">Has anyone succeeded to model HVAC occupancy sensors in eQuest? In this project, supply air from AHU units feed into VAV boxes in classrooms. The
VAV boxes modulate airflow in accordance to occupancy sensor readings. The ASHRAE Table G3.2 allows us to take credit for lighting controls, however, I could not find guidance on HVAC occupancy sensors for energy models. My first approach would be to adjust
occupancy levels in Proposed (how?), but this raises another question: doesn’t LEED require to use the same schedules in Proposed and Baseline?</span><span style="font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
<p class="yiv2216308810msonormal3"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif";color:black"> </span><span style="font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
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<p class="yiv2216308810msonormal3" style="background:white"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif";color:black">Thanks in advance for your suggestions,</span><span style="font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
<p class="yiv2216308810msonormal3" style="background:white"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"> </span><span style="font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
<p class="yiv2216308810msonormal3" style="background:white"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Manuela Mengue</span><span style="font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
<p class="yiv2216308810msonormal3" style="background:white"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Design Engineer</span><span style="font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
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<p class="yiv2216308810msonormal3"><span style="font-size:13.5pt;font-family:"Verdana","sans-serif""> </span><span style="font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
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