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<p class=MsoNormal><span style='color:#1F497D'>Good afternoon Amber,<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>The warnings of "cooling (or
heating ) may be undersized" are very common (and often meaningless) warnings
in eQuest, and the reviewers are aware of this. <o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>If the T24 compliance forms say that
the building complies, then there is no need to worry about these warnings.
<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>If using ASHRAE compliance, as
long as the unmet load hours are below 300 for each building, again, there is
no need to worry. If there are excessive unmet load hours, only then
should you go back in and manually increase the capacity of the appropriate
coil as allowed in G3.1.2.2.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>A word of caution:
Increasing the coil capacity should only be employed as a last resort for
reducing the unmet load hours. It is important to understand why the
unmet load hours are showing up. There are many sources of error in
eQuest which result in unmet load hours which cannot be corrected just by
increasing the coil capacity. Often, mis-matched schedules are the source
of unmet load hours and increased coil sizes do not reduce the number of unmet
load hours.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>A couple examples:<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>1. The temperature
schedule setting is set to the occupied temperature of 75F, but the fan is
scheduled off that hour<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>2. The temperature
schedule gradually increases the tstat setting to mimic optimum start, but the
OA schedule has full OA coming in during that optimum start.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>I hope this helps.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Regards,<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";
color:#76923C'>Sheila Sagerer<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";
color:#76923C'>Energy Engineer, EIT, LEED AP<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";
color:#76923C'>Energy Opportunities, Inc, a 7group company<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";
color:#76923C'>Phone: 717-880-9069<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";
color:#76923C'>www.sevengroup.com<o:p></o:p></span></p>
</div>
<p class=MsoNormal><span style='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"'>
equest-users-bounces@lists.onebuilding.org
[mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Amber
Welsh<br>
<b>Sent:</b> Friday, August 27, 2010 1:58 PM<br>
<b>To:</b> EQUEST<br>
<b>Subject:</b> [Equest-users] LEED submission and warnings<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Hi all,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I am preparing a model showing T-24 compliance that will
also be submitted for LEED. The model passes T-24. However, I have
about 10 warnings saying some systems may have undersized cooling and some have
undersized heating. As long as it complies, do the warnings matter?
Will someone reviewer make me go back and try and change system sizing to get
rid of warning? Thank you!!<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.5pt;
color:black'>Amber Welsh, P.E. </span></b><b><span style='font-size:10.5pt;
color:#D9D9D9'>|</span></b><b><span style='font-size:10.5pt;color:black'> </span></b><b><span
style='font-size:10.5pt;color:#A6A6A6'>Associate</span></b><b><span
style='font-size:10.5pt;color:#1F497D'><br>
</span></b><b><span style='font-size:10.0pt;color:#A6A6A6'>LEED® Accredited
Professional<o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:8.5pt;color:black'> <br>
397 5th Street NE,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:8.5pt;color:black'>Atlanta, GA 30308 <br>
(v) 404.810.9020<br>
(c) 678.488.1967<br>
</span><a href="http://timmonsdesigneng.com/"><span style='font-size:8.5pt;
color:red'>timmonsdesigneng.com</span></a><span style='font-size:8.5pt;
font-family:"Arial","sans-serif";color:black'> </span><span style='font-size:
8.5pt;color:black'><o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
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