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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">A quick thought: REHEAT-DELTA-T is a zonal input that has specifically caught me and others multiple times for systems with reheat. It’s something that isn’t
optional for some systems, and doesn’t have a default coming out of the wizards so you have to physically enter something (I typically right-click and enter stuff like this as a user-defined default – blue text – more in the archives if you’re interested).
If you leave the inputs blank the reheat won’t engage.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><br>
If it’s not that, efficiencies are relatively easy to check. I would scan your reheat and preheat inputs (if applicable) next: Right-click and review the DOES2 help entries under heat, reheat, and preheat (at the zones) for any inputs you’ve allowed to default/leave
blank – you might just need to fill in one more box ;).<br>
<br>
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">~Nick<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><img width="119" height="37" id="Picture_x0020_1" src="cid:image001.jpg@01CCFC7B.E845D790" alt="cid:489575314@22072009-0ABB"></span><b><span style="font-size:11.0pt;font-family:"Stylus BT","sans-serif";color:#2D4D5E"><o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Stylus BT","sans-serif";color:#2D4D5E"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-family:"Stylus BT","sans-serif";color:#2D4D5E">NICK CATON, P.E.</span></b><b><span style="font-family:"Stylus BT","sans-serif";color:#2D4D5E"><o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Calibri","sans-serif";color:#CC9900">SENIOR ENGINEER<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Calibri","sans-serif";color:#CC9900"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">Smith & Boucher Engineers</span><span style="font-size:7.5pt;color:#CC9900"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">25501 west valley parkway, suite 200<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">olathe, ks 66061<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">direct 913.344.0036<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">fax 913.345.0617<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.smithboucher.com" title="blocked::www.smithboucher.com"><span style="font-size:10.0pt">www.smithboucher.com</span></a></span><u><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:blue">
</span></u><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"><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""> bldg-sim-bounces@lists.onebuilding.org [mailto:bldg-sim-bounces@lists.onebuilding.org]
<b>On Behalf Of </b>CleanTech Analytics<br>
<b>Sent:</b> Wednesday, March 07, 2012 3:50 PM<br>
<b>To:</b> Morgan Heater<br>
<b>Cc:</b> bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Bldg-sim] EQUEST QUESTION<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#336666">You might want to take the online eQuest course from </span>
<a href="http://energy-models.com/training/equest/course-objectives">http://energy-models.com/training/equest/course-objectives</a> <o:p></o:p></p>
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<p class="MsoNormal">I found it to be very helpful when learning eQuest.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">I would guess your issue is occupancy differences, or deep in the HVAC system like Morgan suggests..<o:p></o:p></p>
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<p class="MsoNormal">On Wed, Mar 7, 2012 at 1:13 PM, Morgan Heater <<a href="mailto:morgan@ecotope.com">morgan@ecotope.com</a>> wrote:<o:p></o:p></p>
<p class="MsoNormal">I would take a look at your unmet load hours in the perimeter spaces. If<br>
they're high it's likely that you have a heating air flow rate or supply<br>
air temperature issue.<br>
<br>
<br>
Morgan Heater, P.E.<br>
BEMP, LEED AP<br>
<a href="mailto:morgan@ecotope.com">morgan@ecotope.com</a><br>
<a href="tel:206-322-3753%20ext%20209">206-322-3753 ext 209</a><o:p></o:p></p>
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<p class="MsoNormal"><br>
-----Original Message-----<br>
From: <a href="mailto:bldg-sim-bounces@lists.onebuilding.org">bldg-sim-bounces@lists.onebuilding.org</a><br>
[mailto:<a href="mailto:bldg-sim-bounces@lists.onebuilding.org">bldg-sim-bounces@lists.onebuilding.org</a>] On Behalf Of RobertWichert<br>
Sent: Wednesday, March 07, 2012 12:28 PM<br>
To: <a href="mailto:bldg-sim@lists.onebuilding.org">bldg-sim@lists.onebuilding.org</a><br>
Subject: [Bldg-sim] EQUEST QUESTION<br>
<br>
I am trying to learn E-Quest and I am trying to model a building that I<br>
have already modeled with Energy Pro. The gas usage from E-Quest is<br>
very very low compared to both actual and Energy Pro. It is a hot water<br>
reheat VAV system with a boiler and a water cooled condenser. The<br>
actual gas use is 17891 Therms, from the bills. Energy Pro predicts<br>
17600 Therms. E-Quest predicts 580 Therms. This makes no sense to me,<br>
but it is clearly my error. I have gone over the inputs several times.<br>
<br>
Is there anything that occurs to anybody that would make gas usage that<br>
far off?<br>
<br>
Electrical from E-Quest is 453 MWh. Electrical from Energy Pro is 422<br>
MWh. Electrical actual is 543 MWh. The building has lots of<br>
unaccounted-for process equipment, so I'm not so worried about being low<br>
on electrical. It's not too far off. But the gas use is just way too<br>
low. Hot water is showing up at 3 Therms a month.<br>
<br>
<br>
This is the first model I have done with E-Quest, so I apologize for<br>
even asking. It's obviously something stupid that I have done.<br>
<br>
<br>
--<br>
Robert Wichert P.Eng. LEED AP<br>
<a href="tel:%2B1%20916%20966%209060">+1 916 966 9060</a><br>
FAX <a href="tel:%2B1%20916%20966%209068">+1 916 966 9068</a><br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">-- <o:p></o:p></p>
<p class="MsoNormal"><i><span style="font-family:"Verdana","sans-serif";color:#999999">Jeremiah D. Crossett</span></i><o:p></o:p></p>
<p class="MsoNormal"><i><span style="font-family:"Verdana","sans-serif";color:#999999">CleanTech Analytics</span></i><o:p></o:p></p>
<p class="MsoNormal"><i><span style="font-family:"Verdana","sans-serif";color:#999999">503-688-8951</span></i><o:p></o:p></p>
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<p class="MsoNormal" align="center" style="text-align:center"><o:p> </o:p></p>
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<p align="center" style="margin:0in;margin-bottom:.0001pt;text-align:center"><i><span style="font-size:8.5pt;font-family:"Droid Serif","serif";color:#CCCCCC;background:white">This document may contain valuable information proprietary to CleanTech Analytics
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