<html><head></head><body><div style="font-family:verdana, helvetica, sans-serif;font-size:medium;"><div><div>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 ??</div></div><div><br></div><div>John R. Aulbach, PE</div><div><br></div><div id="yahoo_quoted_0322054808" class="yahoo_quoted"><div>On Thursday, March 16, 2017, 6:02:34 AM PDT, Manuela Mengue via Equest-users <equest-users@lists.onebuilding.org> wrote:</div><div><div id="yiv0859404471"><html xmlns="http://www.w3.org/TR/REC-html40">
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<p class="yiv0859404471MsoNormal"><span style="color:black;">Hi all,</span></p>
<p class="yiv0859404471MsoNormal"><span style="color:black;"> </span></p>
<p class="yiv0859404471MsoNormal"><span style="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></p>
<p class="yiv0859404471MsoNormal"><span style="color:black;"> </span></p>
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<p class="yiv0859404471MsoNormal" style="background:white;"><span style="color:black;">Thanks in advance for your suggestions,</span></p>
<p class="yiv0859404471MsoNormal" style="background:white;"><span style="font-size:10.0pt;color:black;"> </span></p>
<p class="yiv0859404471MsoNormal" style="background:white;"><span style="font-size:10.0pt;color:black;">Manuela Mengue</span><span style="font-size:20.0pt;color:black;"></span></p>
<p class="yiv0859404471MsoNormal" style="background:white;"><span style="font-size:10.0pt;color:black;">Design Engineer</span></p>
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<p class="yiv0859404471MsoNormal"> </p>
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