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<DIV dir=ltr align=left><SPAN class=585444414-22062007><FONT face=Arial
color=#0000ff size=2>It sounds like you were modeling the chiller plant in one
of the Wizards. You'll need to switch to Detailed Data Edit (under the Mode
menu). You'll then be able to model your plant, specifying different chiller
sizes and types (you'll also get access to more chiller options in the Detailed
Data Edit Mode. When in the Detailed Data Edit Mode, you can right-click on
entry fields and select Item Help to see what the DOE-2.2 manual says about the
variable or topic (for example, the EIR or electric input ratio is the inverse
of the COP at rated or design conditions, depending on how you set the
SPECIFIED-AT variable).</FONT></SPAN></DIV>
<DIV> </DIV><!-- Converted from text/rtf format -->
<P><SPAN lang=en-us><FONT face=Arial size=2>Mark Nieman, PE, CEM</FONT></SPAN>
<BR><SPAN lang=en-us><FONT face=Arial size=2>Sr. Energy Engineer</FONT></SPAN>
<BR><SPAN lang=en-us><FONT face=Arial size=2>McKinstry Essention</FONT></SPAN>
<BR><SPAN lang=en-us><FONT face=Arial size=1>Direct: (206)
832-8152</FONT></SPAN> <BR><SPAN lang=en-us><FONT face=Arial size=1>Cell: (206)
510-4760</FONT></SPAN> <BR><SPAN lang=en-us><FONT face=Arial size=1>FAX: (206)
832-8552</FONT></SPAN> <BR><SPAN lang=en-us><FONT face=Arial size=1><A
href="http://www.mckinstry.com/">http://www.mckinstry.com</A></FONT></SPAN>
<BR><SPAN lang=en-us><I><FONT face=Arial size=1>"For The Life Of Your
Building"</FONT></I></SPAN> </P>
<DIV> </DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> BLDG-SIM@gard.com
[mailto:BLDG-SIM@gard.com] <B>On Behalf Of </B>Sachin Jamadagni<BR><B>Sent:</B>
Friday, June 22, 2007 7:22 AM<BR><B>To:</B> BLDG-SIM@gard.com<BR><B>Subject:</B>
[BLDG-SIM] chiller plant optimization<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">We are looking to model a complex
chiller plant which has six chillers of different sizes. I started to model the
building in e-quest and noticed that we can model only two sizes and types of
chillers, i.e. we can model three screw compressor chillers of 1000 tons and
three centrifugal hermetic chillers of 800 tons, but we can not model six
chillers of different sizes or types. I was wondering whether there is any way
to tweak e-quest to make this model work.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">If it’s difficult or impractical to
model this in e-quest, which building software would you recommend to achieve
this? Our main goal here is to optimize the chiller plant by running different
scenarios, different chiller sequencing, different supply temperatures,
retrofitting chillers by installing VFD’s etc...<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Thanks &
Regards,</SPAN></FONT><o:p></o:p></P>
<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 size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Sachin<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P></DIV><PRE>
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