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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'>David,<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'>Tried that. The program ignores the 0
pump power input and calculates the required power, even with actual flow and
head input. PS-C report still shows pump energy consumption by the
heating water loop pump.<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'>FYI I’m using eQuest ver 3-61e.
Do later or earlier versions allow this 0 kW workaround?<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'>Steven<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=3 color=navy face="Bookman Old Style"><span
style='font-size:12.0pt;font-family:"Bookman Old Style";color:navy'>Steven
Savich</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="Bookman Old Style"><span
style='font-size:10.0pt;font-family:"Bookman Old Style";color:navy'>Systems
West Engineers</span></font><font color=navy><span style='color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><st1:Street w:st="on"><st1:address w:st="on"><font size=2
color=navy face="Bookman Old Style"><span style='font-size:10.0pt;font-family:
"Bookman Old Style";color:navy'>411 High Street</span></font></st1:address></st1:Street><font
color=navy><span style='color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><st1:place w:st="on"><st1:City w:st="on"><font size=2
color=navy face="Bookman Old Style"><span style='font-size:10.0pt;font-family:
"Bookman Old Style";color:navy'>Eugene</span></font></st1:City><font size=2
color=navy face="Bookman Old Style"><span style='font-size:10.0pt;font-family:
"Bookman Old Style";color:navy'>, <st1:State w:st="on">OR</st1:State> <st1:PostalCode
w:st="on">97401-2427</st1:PostalCode></span></font></st1:place><font
color=navy><span style='color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face="Bookman Old Style"><span
style='font-size:10.0pt;font-family:"Bookman Old Style";color:navy'>(541)
342-7210</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="Bookman Old Style"><span
style='font-size:10.0pt;font-family:"Bookman Old Style";color:navy'>(541)
342-7220 (fax)</span></font><o:p></o:p></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'> David S Eldridge
[mailto:DSE@grummanbutkus.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, October 14, 2008
9:09 AM<br>
<b><span style='font-weight:bold'>To:</span></b> 'Steven Savich'<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [Equest-users] Steam
loop pumping energy</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=3 color=black face="Times New Roman"><span
style='font-size:12.0pt;color:black'>You can use the actual flow and head so
the program doesn’t crash, but enter a pump power of 0 kW.
“Magic” pump motors.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt;color:black'><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>Steven Savich<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, October 14, 2008
10:52 AM<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] Steam loop
pumping energy<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>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>All,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I’m modeling a university campus building with heat
provided by central plant steam boilers, providing 15# steam. I’ve
done this by eliminating boilers in the model and attaching a steam meter to
the hot water loop.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>My problem is with pumping energy. Equest requires
that a pump be attached to the hot water loop, but the actual installation has
gravity return condensate. How do I zero out the pumping energy? I
have set pump head = 0, but this gives me pages of error reports. Any
other methods?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Steven<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Bookman Old Style"><span
style='font-size:12.0pt;font-family:"Bookman Old Style"'>Steven Savich</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 face="Bookman Old Style"><span
style='font-size:10.0pt;font-family:"Bookman Old Style"'>Systems West Engineers</span></font><o:p></o:p></p>
<p class=MsoNormal><st1:Street w:st="on"><st1:address w:st="on"><font size=2
face="Bookman Old Style"><span style='font-size:10.0pt;font-family:"Bookman Old Style"'>411
High Street</span></font></st1:address></st1:Street><o:p></o:p></p>
<p class=MsoNormal><st1:place w:st="on"><st1:City w:st="on"><font size=2
face="Bookman Old Style"><span style='font-size:10.0pt;font-family:"Bookman Old Style"'>Eugene</span></font></st1:City><font
size=2 face="Bookman Old Style"><span style='font-size:10.0pt;font-family:
"Bookman Old Style"'>, <st1:State w:st="on">OR</st1:State> <st1:PostalCode
w:st="on">97401-2427</st1:PostalCode></span></font></st1:place><o:p></o:p></p>
<p class=MsoNormal><font size=2 face="Bookman Old Style"><span
style='font-size:10.0pt;font-family:"Bookman Old Style"'>(541) 342-7210</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 face="Bookman Old Style"><span
style='font-size:10.0pt;font-family:"Bookman Old Style"'>(541) 342-7220 (fax)</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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