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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>All,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I am modeling a portion of a 100% outside air lab in a type
5A climate zone. The area is below ground/has interior walls so there is no
fenestration. The system has two chilled water air handling units and VAV boxes
with zone reheat. The two AHU’s run 24/7 at a constant CFM because the
supply air is driven by a required air change rate per room type. <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>My problem is:<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:1.0in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>- I have too
many unmet cooling hours when allowing e-Quest to auto-size the cooling coil
capacity of the air handling units<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Diagnosis:<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:1.25in;text-indent:-.25in;mso-list:l1 level1 lfo2'><![if !supportLists]><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><span
style='mso-list:Ignore'>-<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>The delta T of the cooling coil
never gets above 7 degrees F any day of the summer.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:1.25in;text-indent:-.25in;mso-list:l1 level1 lfo2'><![if !supportLists]><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><span
style='mso-list:Ignore'>-<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>e-Quest severely undersized the
cooling coils from a design day. (I have calculated the design day cooling load
by hand)<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:1.25in;text-indent:-.25in;mso-list:l1 level1 lfo2'><![if !supportLists]><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><span
style='mso-list:Ignore'>-<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>No warnings in the Sim report<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I have tried troubleshooting the system for a couple of days
but am unable to find the reason e-Quest is under sizing the cooling coil
capacity. I have attached the .inp file. Any suggestion are greatly
appreciated.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thank you,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Brad<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=1 color=gray face=Arial><span style='font-size:8.0pt;font-family:Arial;
color:gray'>Brad Huff, E.I.T., Mechanical Engineer</span></font><font
size=1 color=navy face=Arial><span style='font-size:8.0pt;font-family:Arial;
color:navy'> </span></font><strong><b><font size=1 color=navy
face="Times New Roman"><span style='font-size:8.0pt;color:navy'>I </span></font></b></strong><strong><b><font
size=1 face="Times New Roman"><span style='font-size:8.0pt'>BVH Integrated
Services<font color=navy><span style='color:navy'> </span></font><font
color=black><span style='color:black'>I </span></font></span></font></b></strong><font
size=1 color=gray face=Arial><span style='font-size:8.0pt;font-family:Arial;
color:gray'>860.286.9171 tel </span></font><strong><b><font size=1 color=black
face="Times New Roman"><span style='font-size:8.0pt;color:black'>I</span></font></b></strong><strong><b><font
size=1 color=gray face="Times New Roman"><span style='font-size:8.0pt;
color:gray'> </span></font></b></strong><font size=1 color=gray face=Arial><span
style='font-size:8.0pt;font-family:Arial;color:gray'>860.242.0236 fax </span></font><strong><b><font
size=1 color=black face="Times New Roman"><span style='font-size:8.0pt;
color:black'>I</span></font></b></strong><strong><b><font size=1 color=gray
face="Times New Roman"><span style='font-size:8.0pt;color:gray'> </span></font></b></strong><font
size=1 color=gray face=Arial><span style='font-size:8.0pt;font-family:Arial;
color:gray'>50 Griffin Road South, Bloomfield CT 06002 </span></font><b><font
size=1 color=black face=Arial><span style='font-size:8.0pt;font-family:Arial;
color:black;font-weight:bold'>I </span></font></b><font color=navy><span
style='color:navy'><a href="blocked::www.bvhis.com"
title="blocked::www.bvhis.com"><b><font size=1 face=Arial
title="blocked::www.bvhis.com"><span title="blocked::www.bvhis.com"><span
style='font-size:8.0pt;font-family:Arial;font-weight:bold'>www.bvhis.com</span></span></font></b></a></span></font><font
color="#c00000"><span style='color:#C00000'> </span></font><font
color=navy><span style='color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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