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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'>Look at SV-A report to see if there is a
"main" heating coil (Top rows, HEATING CAPACITY KBTU/HR > 0 if
DOE-2 has simulated it), not just a preheat coil. (PH coils don't control to
reset schedule, etc.)<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>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>In addition to setting a "heating
source"<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>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Somewhere, wiz, detailed, text, whatever,
you gotta either:<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'>Set "HEAT-SET-T" (in
"Detailed" menu: system, heating, heating "Hot Deck Max Leaving
Temp" on right side, blank by default) to a number greater than
MIN-SUPPLY-T ; i.e. 60-65F<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'>OR <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'>Manually input the central coil heating
capacity, text = HEATING-CAPACITY (menu, same system heating page as above, "Heating
Capacity")<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>
<div>
<p class=MsoNormal><font size=2 color=navy face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:navy'>--</span></font><font
color=navy><span style='color:navy'><o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 color=navy face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:navy'>Fred W. Porter,
B.S., LEED A.P.<br>
Senior Engineer<br>
Architectural Energy Corp.<br>
<br>
<o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 color=navy face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:navy'> </span></font><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font>
</p>
</div>
<div>
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face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<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'> Aulbach, John
[mailto:jaulbach@nexant.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, August 22, 2007
12:29 PM<br>
<b><span style='font-weight:bold'>To:</span></b> BLDG-SIM@gard.com<br>
<b><span style='font-weight:bold'>Subject:</span></b> [BLDG-SIM] eQUEST-System
no heating</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>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>I am going to take a stab at this one. In
eQuest, a VAV system is a Terminal System. Therefore, in the Wizard, the zone
level is where all heating and/or reheating is done (and developed). You have
to force a primary heating source to occur, but this doesn't appear in the
Wizard mode, apparently..</span></font><o:p></o:p>
</p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>Have you input a Reheat-Delta-T? The
temperature of 55 DegF + 40 DegF = 95 DegF heating supply temp.</span></font><o:p></o:p>
</p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>I also do NOT find the ability to
create a pre heat coil in the Wizard. I have done it, but am quite sure this
was input in the Detailed Interface Mode. There are MANY eQuest features that
become available (like more SYSTEM-TYPES) in the Detailed Mode.</span></font><o:p></o:p>
</p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>Once you have "cookie cuttered"
your building in the Wizards, switch to the Detailed Mode. There you will find
your preheat coil.</span></font><o:p></o:p>
</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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face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabIndex=-1>
</span></font></div>
<p class=MsoNormal style='margin-bottom:12.0pt'><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'>
BLDG-SIM@gard.com [mailto:BLDG-SIM@gard.com] <b><span style='font-weight:bold'>On
Behalf Of </span></b>Zhen Tian<br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, August 22, 2007
9:49 AM<br>
<b><span style='font-weight:bold'>To:</span></b> BLDG-SIM@gard.com<br>
<b><span style='font-weight:bold'>Subject:</span></b> [BLDG-SIM] eQUEST-System
no heating</span></font><o:p></o:p>
</p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Dear All,<o:p></o:p></span></font>
</p>
</div>
<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>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>I experienced an issue when I use eQUEST. I model a building in cold
climate with VAV system. In the wizard mode, I found the system heat source is
"not installed". But when I change to electricity, I found the
heating enery use for system heating is zero. I also tried other options,
always found that the system heat source is useless. I found that all the
heating goes the zone level. Based on my understanding, this should not be the
real case.<o:p></o:p></span></font>
</p>
</div>
<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>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>I set the air supply temperature as constant as 55F (around 13 degree
C), zone entering max air tem as 95F. Enen I set the zone entering max air tem
as 86 (30 C). The system heating coil still has no load.<o:p></o:p></span></font>
</p>
</div>
<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>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Has anyone experience the same problem before and know to to solve this
problem?<o:p></o:p></span></font>
</p>
</div>
<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>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Thanks a lot.<o:p></o:p></span></font>
</p>
</div>
<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>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Regards,<o:p></o:p></span></font>
</p>
</div>
<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>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>David<o:p></o:p></span></font>
</p>
</div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=1 width="100%" align=center>
</span></font></div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
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<pre><font size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font>
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