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<DIV><SPAN class=473472720-29092006><FONT face=Arial color=#0000ff
size=2>Matt,</FONT></SPAN></DIV>
<DIV><SPAN class=473472720-29092006><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=473472720-29092006><FONT face=Arial color=#0000ff size=2>You
should use the PVVT system type in order to model water source heat pumps that
have OA capabilities. This system type allows you to use OA heat recovery,
specify two speed or staged volume compressors and generally do all the things
you cannot do with a packaged water source heat pump. The default fan
speed control is variable speed so you may want to set that
to constant speed and set the MIN-FAN-RATIO to 1.
</FONT></SPAN></DIV>
<DIV><SPAN class=473472720-29092006><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=473472720-29092006><FONT face=Arial color=#0000ff size=2>This
system type behaves like a packaged single zone system in that you can attach
multiple zones but the system is only controlled by a single control
zone. This is in contrast to the water source HP system type
which is strictly a single zone system type. If you specify multiple zones
under a single WSHP system eQuest simulates each zone with its own heat
pump.</FONT></SPAN></DIV>
<DIV><SPAN class=473472720-29092006><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=473472720-29092006><FONT face=Arial color=#0000ff
size=2>Mike</FONT></SPAN></DIV>
<DIV><SPAN class=473472720-29092006><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=473472720-29092006><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=473472720-29092006></SPAN><SPAN lang=en-us><B><FONT face=Arial
size=2>Michael Tillou, PE<BR><SPAN
class=473472720-29092006>ETC</SPAN> Group, Inc.<BR>PO Box 7, Williamstown,
MA 01267<BR>ph. (413) 458-9870 fx. (413)
458-9875<BR>www.etcgrp.com</FONT><BR></DIV></B></SPAN>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV></DIV>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><FONT
face=Tahoma size=2>-----Original Message-----<BR><B>From:</B>
BLDG-SIM@GARD.COM [mailto:BLDG-SIM@GARD.COM] <B>On Behalf Of </B>Matthew
Dubrovich<BR><B>Sent:</B> Thursday, September 28, 2006 2:47 PM<BR><B>To:</B>
BLDG-SIM@GARD.COM<BR><B>Subject:</B> [BLDG-SIM] Dummy Zone for dedicated OA
units<BR><BR></FONT></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Another question on
this topic…<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">eQuest allows the OA
for, say, a heat pump, to come from a dedicated OA unit. What is the
best way to model this system when the OA unit has heat recovery on it?
Assigning it to a dummy zone will not allow for any heat recovery since there
are no loads in the zone. Another way would be to add heat recovery and
OA to each individual unit and not simulate the dedicated unit. However,
eQuest does not allow WL Heat Pump systems to utilize energy recovery.
Another option may be to change the individual system type to Packaged Single
Zone with a heat pump for heating and cooling then set up each to use heat
recovery. <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Thanks for any
ideas.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<P class=MsoNormal><B><I><FONT face="BankGothic Md BT" color=navy size=3><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 12pt; COLOR: navy; FONT-STYLE: italic; FONT-FAMILY: 'BankGothic Md BT'">Matt
Dubrovich<o:p></o:p></SPAN></FONT></I></B></P>
<P class=MsoNormal><B><I><FONT face="BankGothic Md BT" color=navy size=3><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 12pt; COLOR: navy; FONT-STYLE: italic; FONT-FAMILY: 'BankGothic Md BT'"><o:p> </o:p></SPAN></FONT></I></B></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">EMC Engineers,
Inc.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><A href="http://www.emcengineers.com/"><FONT
face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">www.emcengineers.com</SPAN></FONT></A><U><FONT
color=blue><SPAN
style="COLOR: blue"><o:p></o:p></SPAN></FONT></U></SPAN></FONT></P>
<P class=MsoNormal
style="MARGIN-BOTTOM: 5pt; MARGIN-LEFT: 0in; MARGIN-RIGHT: 0in; mso-margin-top-alt: 5.0pt"><B><FONT
face=Arial color=navy size=3><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 12pt; COLOR: navy; FONT-FAMILY: Arial">Making
buildings work. </SPAN></FONT></B><B><FONT face=Arial color=red><SPAN
style="FONT-WEIGHT: bold; COLOR: red; FONT-FAMILY: Arial">Better.</SPAN></FONT><FONT
color=red><SPAN style="COLOR: red"><o:p></o:p></SPAN></FONT></B></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Direct: (303)
974-1217</SPAN></FONT><FONT color=navy><SPAN
style="COLOR: navy"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">(303)
974-1200</SPAN></FONT><FONT color=navy><SPAN
style="COLOR: navy"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">(303) 974-1239
(fax)<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal
style="MARGIN-BOTTOM: 5pt; MARGIN-LEFT: 0in; MARGIN-RIGHT: 0in; mso-margin-top-alt: 5.0pt"><FONT
face="Times New Roman" color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy">Confidentiality Notice: This message and
any materials attached are confidential, and are intended solely for the use
of the addressee. If you are not the intended recipient, be advised that
unauthorized use, disclosure, copying, or distribution is strictly prohibited.
If you received this message in error please notify the sender and destroy
your copy immediately. <o:p></o:p></SPAN></FONT></P></DIV>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT
face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">
<HR tabIndex=-1 align=center width="100%" SIZE=2>
</SPAN></FONT></DIV>
<P class=MsoNormal><B><FONT face=Tahoma size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">From:</SPAN></FONT></B><FONT
face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">
BLDG-SIM@GARD.COM [mailto:BLDG-SIM@GARD.COM] <B><SPAN
style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Tupper, Kendra<BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Friday, September 22, 2006 4:22
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] Dummy Zone for dedicated OA
units</SPAN></FONT><o:p></o:p></P></DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Scott,<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">You can designate a
small portion of the building to be a dummy zone, or you can make the zone
float off in space away from the building. The important thing is that
the dummy zone has no loads (zero people, lights equipment, adiabatic exterior
surfaces, etc.).<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Kendra<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<P><B><FONT face=Arial color=#333333 size=3><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 12pt; COLOR: #333333; FONT-FAMILY: Arial">Kendra
Tupper</SPAN></FONT></B><FONT color=navy><SPAN style="COLOR: navy">
<BR></SPAN></FONT><I><FONT face=Arial color=gray><SPAN
style="COLOR: gray; FONT-STYLE: italic; FONT-FAMILY: Arial">LEED®
AP</SPAN></FONT></I><FONT color=navy><SPAN style="COLOR: navy">
<BR></SPAN></FONT><B><FONT face=Arial color=#333333><SPAN
style="FONT-WEIGHT: bold; COLOR: #333333; FONT-FAMILY: Arial">FLACK</SPAN></FONT><FONT
color=navy><SPAN style="COLOR: navy"> </SPAN></FONT></B><B><FONT face=Arial
color=#969696><SPAN
style="FONT-WEIGHT: bold; COLOR: #969696; FONT-FAMILY: Arial">+</SPAN></FONT></B><B><FONT
face=Arial color=#333333><SPAN
style="FONT-WEIGHT: bold; COLOR: #333333; FONT-FAMILY: Arial">
KURTZ</SPAN></FONT></B><FONT color=navy><SPAN style="COLOR: navy">
<BR></SPAN></FONT><st1:address w:st="on"><st1:Street w:st="on"><FONT
face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">405 Howard
St.</SPAN></FONT></st1:Street><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"> <st1:City
w:st="on">San Francisco</st1:City>, <st1:State w:st="on">CA</st1:State>
<st1:PostalCode
w:st="on">94105</st1:PostalCode></SPAN></FONT></st1:address><FONT
color=navy><SPAN style="COLOR: navy"> <BR></SPAN></FONT><FONT face=Arial
color=gray size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: gray; FONT-FAMILY: Arial">Direct</SPAN></FONT><FONT
face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">
(415) 402-5840</SPAN></FONT><FONT color=navy><SPAN style="COLOR: navy">
<BR></SPAN></FONT><FONT face=Arial color=gray size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: gray; FONT-FAMILY: Arial">Email </SPAN></FONT><U><FONT
color=navy><SPAN style="COLOR: navy"> </SPAN></FONT></U><FONT color=navy><SPAN
style="COLOR: navy"><A href="mailto:kendra.tupper@sf.fk.com%20"><FONT
face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">kendra.tupper@sf.fk.com</SPAN></FONT></A>
</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT
face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">
<HR tabIndex=-1 align=center width="100%" SIZE=2>
</SPAN></FONT></DIV>
<P class=MsoNormal><B><FONT face=Tahoma size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">From:</SPAN></FONT></B><FONT
face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">
<st1:PersonName w:st="on">BLDG-SIM@GARD.COM</st1:PersonName>
[mailto:<st1:PersonName w:st="on">BLDG-SIM@GARD.COM</st1:PersonName>] <B><SPAN
style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Scott Runyon<BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Friday, September 22, 2006 1:04
PM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> <st1:PersonName
w:st="on">BLDG-SIM@GARD.COM</st1:PersonName><BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> [BLDG-SIM] Dummy Zone for
dedicated OA units</SPAN></FONT><o:p></o:p></P></DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Verdana size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana">I’ve read before that to
correctly model a dedicated outdoor air unit, one should assign it to a dummy
zone.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Verdana size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Verdana size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana">How do I go about creating a
Dummy zone for an outside air handler?<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Verdana size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Verdana size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana">Do I just make a small portion
of the building its own zone and assign this OA unit to
it?<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Verdana size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Verdana size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana">Thanks for all your help. Any
other suggestionss with OA units would be
appreciated.<o:p></o:p></SPAN></FONT></P>
<P style="MARGIN-BOTTOM: 12pt"><st1:PersonName w:st="on"><FONT face=Verdana
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Runyon</SPAN></FONT></st1:PersonName><FONT face=Verdana size=2><SPAN
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