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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Ben,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Yes, first thing you should do is establish
a deadband between heating and cooling (such as using 70F heating thermostat
and 75F cooling). Even 70F heating, 72F cooling would perform better in the
model than say, 71F heating and cooling. If the museum really does have only one
temperature setpoint, there are probably controls that lock out cooling during
certain months of the year (or based on OA temperature), or maybe you have a
combination of heating-only and cooling-only systems with well-established
zones. One way to model the controls is to modify your heating and cooling
thermostat schedules so that cooling months/weeks/days have a lower heating setpoint
and heating periods have a higher cooling setpoint. Another way is to use a
system COOLING-SCHEDULE.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Regards,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Bill<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><st1:place w:st="on"><st1:City w:st="on"><b
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"Franklin Gothic Medium Cond";color:black;font-weight:bold;mso-bidi-font-weight:
normal;mso-no-proof:yes'>William</span></font></b></st1:City><b
style='mso-bidi-font-weight:normal'><font size=2 color=black
face="Franklin Gothic Medium Cond"><span style='font-size:10.0pt;font-family:
"Franklin Gothic Medium Cond";color:black;font-weight:bold;mso-bidi-font-weight:
normal;mso-no-proof:yes'> <st1:State w:st="on">Bishop</st1:State>, <st1:State
w:st="on">PE</st1:State></span></font></b></st1:place><b style='mso-bidi-font-weight:
normal'><font size=2 color=black face="Franklin Gothic Medium Cond"><span
style='font-size:10.0pt;font-family:"Franklin Gothic Medium Cond";color:black;
font-weight:bold;mso-bidi-font-weight:normal;mso-no-proof:yes'>, BEMP, LEED<sup>®</sup>
AP </span></font></b><b style='mso-bidi-font-weight:normal'><font size=2
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face="Franklin Gothic Medium Cond"><span style='font-size:10.0pt;font-family:
"Franklin Gothic Medium Cond";color:black;font-weight:bold;mso-bidi-font-weight:
normal;mso-no-proof:yes'> </span></font></b><b style='mso-bidi-font-weight:
normal'><font size=2 color=black face="Franklin Gothic Medium Cond"><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:"Franklin Gothic Medium Cond";
color:black;font-weight:bold;mso-bidi-font-weight:normal;mso-no-proof:yes'>Pathfinder
Engineers & Architects LLP</span></font></b><b><font size=2 color=black
face="Franklin Gothic Medium Cond"><span style='font-size:10.0pt;font-family:
"Franklin Gothic Medium Cond";color:black;font-weight:bold;mso-no-proof:yes'><o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
9.0pt;font-family:Arial;color:black;mso-no-proof:yes'>Mechanical Engineer<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
5.0pt;font-family:Arial;color:black;mso-no-proof:yes'><o:p> </o:p></span></font></p>
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absolute;z-index:-1;margin-left:367px;margin-top:17px;width:60px;height:58px'><img
width=60 height=58 src="cid:image001.jpg@01CBF928.E8712B90" v:shapes="_x0000_s1026"></span><![endif]><st1:Street
w:st="on"><font size=1 color=navy face=Arial><span style='font-size:9.0pt;
font-family:Arial;color:navy;mso-no-proof:yes'>134 South Fitzhugh Street</span></font></st1:Street><font
size=1 color=navy><span style='font-size:9.0pt;color:navy;mso-no-proof:yes'><span
style='mso-tab-count:2'> </span></span></font><st1:City
w:st="on"><font size=1 color=navy face=Arial><span style='font-size:9.0pt;
font-family:Arial;color:navy;mso-no-proof:yes'>Rochester</span></font></st1:City><font
size=1 color=navy face=Arial><span style='font-size:9.0pt;font-family:Arial;
color:navy;mso-no-proof:yes'>, <st1:State w:st="on">NY</st1:State> <st1:PostalCode
w:st="on">14608</st1:PostalCode></span></font><font size=1 color=navy><span
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</span></font><font size=1 color=navy face=Arial><span style='font-size:9.0pt;
font-family:Arial;color:navy;mso-no-proof:yes'>T: (585) 325-6004 </span></font><font
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color:black;mso-no-proof:yes'>Ext. 114</span></font><font color=navy><span
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size=1 color=navy face=Arial><span style='font-size:9.0pt;font-family:Arial;
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font-family:Arial;color:black;mso-no-proof:yes'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
9.0pt;font-family:Arial;color:black;mso-no-proof:yes'><a
href="mailto:wbishop@pathfinder-ea.com">wbishop@pathfinder-ea.com</a><span
style='mso-tab-count:1'> </span></span></font><font
size=1 color=black face=Arial><span style='font-size:9.0pt;mso-bidi-font-size:
12.0pt;font-family:Arial;color:black;mso-no-proof:yes'><a
href="http://www.pathfinder-ea.com/">www.pathfinder-ea.com</a><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=5 color=green face=Webdings><span
style='font-size:18.0pt;font-family:Webdings;mso-bidi-font-family:Webdings;
color:green;mso-no-proof:yes'>P</span></font><font color=green><span
style='color:green;mso-no-proof:yes'><span
style='mso-spacerun:yes'> </span></span></font><font size=1
color=green><span style='font-size:7.5pt;color:green;mso-no-proof:yes'>Sustainability
– the forest AND the trees.</span></font><font size=5 color=green
face=Webdings><span style='font-size:18.0pt;font-family:Webdings;mso-bidi-font-family:
Webdings;color:green;mso-no-proof:yes'> P<span style='mso-tab-count:1'> </span></span></font><font
color=green><span style='color:green'><o:p></o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> equest-users-bounces@lists.onebuilding.org
[mailto:equest-users-bounces@lists.onebuilding.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Dombrowski, Ben<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, April 12, 2011 2:43
PM<br>
<b><span style='font-weight:bold'>To:</span></b>
equest-users@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> [Equest-users]
Overcooling</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I am working on an existing museum with both constant
volume and variable volume system. I have modeled in the cooling coil capacity
for the ahus and on about half of the units it says the cooling coil capacity
is not large enough. I know that the coils are large enough since
the building is properly cooled. Also overall the system is cooling a
lot more than the bills are saying. Could a problem be that my heating and
cooling temperature set point is the same? Any ideas would be great.</span></font><o:p></o:p></p>
</div>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><strong><b><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>Ben Dombrowski, EI</span></font></b></strong><o:p></o:p></p>
<p class=MsoNormal style='margin-bottom:6.0pt'><strong><b><font size=1
color=navy face=Arial><span style='font-size:7.5pt;font-family:Arial;
color:navy'>Mechanical Engineer Intern</span></font></b></strong><b><font
size=1 color=navy face=Arial><span style='font-size:7.5pt;font-family:Arial;
color:navy;font-weight:bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal><b><font size=4 color="#004b96" face=Candara><span
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color:#004B96;font-weight:bold'><img border=0 width=88 height=13
id="_x0000_i1025" src="cid:image002.jpg@01CBF928.E8712B90"
u1:shapes="_x0000_i1025"></span></font></b><font size=2 color="#004b96"
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:#004B96'><span
style='mso-spacerun:yes'> </span>l Global Buildings <st1:place w:st="on"><u2:place>North
America</st1:place></span></font></u2:place><o:p></o:p></p>
<p class=MsoNormal><u2:Street><u2:address><st1:Street w:st="on"><st1:address
w:st="on"><font size=2 color="#64696e" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#64696E'>111 Corning Road Suite 200</span></font></st1:address></st1:Street></u2:address></u2:Street><font
size=2 color="#64696e" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#64696E'> l <st1:place w:st="on"><st1:City w:st="on"><u2:place><u2:City>Cary</st1:City></u2:City>,
<st1:State w:st="on"><u2:State>NC</st1:State></st1:place></u2:State></u2:place>
l 27518</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color="#64696e" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#64696E'>Office 919.859.5751
l Fax 919.783.5882 </span></font><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'><br>
<font color="#004b96"><span style='color:#004B96'><a
href="blocked::mailto:Ben.Dombrowski@jacobs.com"
title="blocked::mailto:Ben.Dombrowski@jacobs.com
mailto:Ben.Dombrowski@jacobs.com
blocked::mailto:Kevin.Becker@jacobs.com">Ben.Dombrowski@jacobs.com</a></span></font></span></font><o:p></o:p></p>
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