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<P><FONT size=2>Under Primary System < Heating < Coil Cap / Control, you
will see "Hot Deck Max Leaving Temp". This will specify the temperature of the
air leavint the hot deck. From the eQUEST help file for Heat-Set-T:<BR><BR>"For
variable-volume systems, specifying HEAT-SET-T enables a main air-handler
heating coil; the value in this case is the maximum temperature off of this
coil. For single duct systems (VAVS, PVAVS and PIU), the default is MIN-SUPPLY-T
(indicating no central heating coil).<BR><BR>On occasion, you may not want the
control point of the hot deck to be equal to MAX-SUPPLY-T. A variable-volume
system has the potential of supplying 100% outside air (and therefore cold air)
to the zone VAV box. Preheat will raise the supply temperature up to PREHEAT-T,
but only the main heating coil can hold a constant supply air temperature or the
modified temperature of a WARMEST or RESET controller. Use of HEAT-SET-T for
systems SZRH and PSZ is discouraged because it simply overrides the maximum
leaving air temperature specified by MAX-SUPPLY-T."</FONT></P>
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<P><BR><BR><BR><BR><BR>-----Original Message-----<BR>From:
bldg-sim-bounces@lists.onebuilding.org<BR>[<A
href="mailto:bldg-sim-bounces@lists.onebuilding.org">mailto:bldg-sim-bounces@lists.onebuilding.org</A>]On
Behalf Of Bruno Lee<BR>Sent: Wednesday, March 19, 2008 9:17 AM<BR>To:
bldg-sim@lists.onebuilding.org<BR>Subject: [Bldg-sim] eQuest - Temp of air
leaving heat coil<BR><BR><BR>Hi All,<BR><BR>I am new to eQuest, and am using
version 3.60 (build 5200).<BR><BR>I have a question regarding the Hourly Reports
Entry : Temp of air <BR>leaving heat coil - hot deck temp (deg F) (under
HVAC system).<BR><BR>Disregard of the building locations, building
configurations (single <BR>zone, multi-zones), system type (CAV, VAV), the
"Temp of air leaving <BR>heat coil" is always very cold, and even colder
than "Temp of air <BR>entering coil" during winter heating season. However,
at the same time <BR>"Total central heat coil output (Btu/hr)" indicates
there is heat <BR>output, just that it is not reflected in the "Temp of air
leaving heat <BR>coil".<BR><BR>I would appreciate any advices. Thanks in
advance.<BR><BR>Bruno Lee<BR>M.S. Student<BR>Department of Architectural
Engineering<BR>Penn State
University<BR>brunolee@psu.edu<BR><BR><BR><BR>_______________________________________________<BR>Bldg-sim
mailing list<BR><A
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