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<DIV dir=ltr align=left><SPAN class=229251020-26082009><FONT face=Arial
color=#0000ff size=2>What is your preheat coil design leaving air temp, right
now you have it set to the default 45°F and with the reheat only providing a
30°F and the supply flow locked in your heating air temp can only be 75°F.
</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=229251020-26082009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=229251020-26082009><FONT face=Arial
color=#0000ff size=2>soooo... Q = CFM * 1.085 * Delta T</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=229251020-26082009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=229251020-26082009><FONT face=Arial
color=#0000ff size=2>You have it so both the cfm and delta T are set, therefore
your Q is limit to those parameters. You can either increase the
preheat LAT so you get a greater delta T or remove the design CFM supply
flow you have entered.</FONT></SPAN></DIV>
<DIV> </DIV>
<DIV style="FONT-SIZE: 9pt; FONT-FAMILY: Arial" align=left><B>Timothy Howe, MS,
LEED® AP</B><BR>Mechanical Engineer<BR>Stantec<BR><FONT color=gray>2060
Brighton-Henrietta Town Line Road<BR>Rochester NY
14623-2792<BR>Ph: (585) 413-5347<BR>Fx: (585)
272-1814<BR>Cell: (585) 330-8681<BR></FONT></DIV>
<DIV style="FONT-SIZE: 13pt; FONT-FAMILY: Arial Narrow" align=left><A
style="TEXT-DECORATION: none" href="http://www.stantec.com/"><B><FONT
color=#993333>stantec</FONT></B><FONT color=#003f6e>.com</FONT></FONT></A>
</DIV>
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<DIV style="FONT-SIZE: 9pt; FONT-FAMILY: Arial" align=left>The content of this
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authorization. If you are not the intended recipient, please delete all copies
and notify us immediately.</DIV>
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style="FONT-SIZE: 13.5pt; COLOR: #008040; FONT-FAMILY: Webdings">ü</SPAN> <SPAN
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<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> Brett M. West [mailto:bwest@rmf.com]
<BR><B>Sent:</B> Wednesday, August 26, 2009 4:05 PM<BR><B>To:</B> Howe, Timothy;
equest-users@lists.onebuilding.org<BR><B>Subject:</B> RE: [Equest-users] VAV
system unmet hours<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><SPAN style="FONT-SIZE: 12pt; COLOR: blue">Sorry. Here is the
correct inp file.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 12pt; COLOR: blue"><o:p> </o:p></SPAN></P>
<DIV>
<P class=MsoNormal><B><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">Brett M.
West</SPAN></B><SPAN
style="FONT-SIZE: 12pt; COLOR: blue; FONT-FAMILY: 'Times New Roman','serif'"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">Design
Engineer-Mechanical</SPAN><SPAN
style="FONT-SIZE: 12pt; COLOR: blue; FONT-FAMILY: 'Times New Roman','serif'"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 12pt; COLOR: blue; FONT-FAMILY: 'Times New Roman','serif'"> <o:p></o:p></SPAN></P>
<P class=MsoNormal><B><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">RMF
Engineering, Inc.</SPAN></B><SPAN
style="FONT-SIZE: 12pt; COLOR: blue; FONT-FAMILY: 'Times New Roman','serif'"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">T:
843-971-9639 ext. 1499</SPAN><SPAN
style="FONT-SIZE: 12pt; COLOR: blue; FONT-FAMILY: 'Times New Roman','serif'"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">F:
843-971-9641</SPAN><SPAN
style="FONT-SIZE: 12pt; COLOR: blue; FONT-FAMILY: 'Times New Roman','serif'"><o:p></o:p></SPAN></P></DIV>
<P class=MsoNormal><SPAN
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href="mailto:bwest@rmf.com"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">bwest@rmf.com</SPAN></A></SPAN><SPAN
style="FONT-SIZE: 12pt; COLOR: blue"><o:p></o:p></SPAN></P>
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<P class=MsoNormal><B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'">From:</SPAN></B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'"> Howe, Timothy
[mailto:Timothy.Howe@stantec.com] <BR><B>Sent:</B> Wednesday, August 26, 2009
3:59 PM<BR><B>To:</B> Brett M. West;
equest-users@lists.onebuilding.org<BR><B>Subject:</B> RE: [Equest-users] VAV
system unmet hours<o:p></o:p></SPAN></P></DIV></DIV>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">Wrong
.inp file. send out the one without "- Baseline Design" after your file
name</SPAN><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"><o:p></o:p></SPAN></P>
<DIV>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"> <o:p></o:p></SPAN></P></DIV>
<P class=MsoNormal><B><SPAN
style="FONT-SIZE: 9pt; FONT-FAMILY: 'Arial','sans-serif'">Timothy Howe, MS,
LEED® AP</SPAN></B><SPAN
style="FONT-SIZE: 9pt; FONT-FAMILY: 'Arial','sans-serif'"><BR>Mechanical
Engineer<BR>Stantec<BR><SPAN style="COLOR: gray">2060 Brighton-Henrietta Town
Line Road<BR>Rochester NY 14623-2792<BR>Ph: (585)
413-5347<BR>Fx: (585) 272-1814<BR>Cell: (585)
330-8681</SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 13pt; FONT-FAMILY: 'Arial Narrow','sans-serif'"><A
href="http://www.stantec.com/"><B><SPAN
style="COLOR: #993333; TEXT-DECORATION: none">stantec</SPAN></B><SPAN
style="COLOR: #003f6e; TEXT-DECORATION: none">.com</SPAN></A>
<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 9pt; FONT-FAMILY: 'Arial','sans-serif'"> <o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 9pt; FONT-FAMILY: 'Arial','sans-serif'">The content of this
email is the confidential property of Stantec and should not be copied,
modified, retransmitted, or used for any purpose except with Stantec's written
authorization. If you are not the intended recipient, please delete all copies
and notify us immediately.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'"> <o:p></o:p></SPAN></P>
<DIV>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 13.5pt; COLOR: #008040; FONT-FAMILY: Webdings">ü</SPAN><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"> </SPAN><SPAN
lang=EN-GB
style="FONT-SIZE: 10pt; COLOR: #008040; FONT-FAMILY: 'Arial Narrow','sans-serif'">Please
consider the environment before printing this email.</SPAN><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"><o:p></o:p></SPAN></P></DIV>
<DIV>
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style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"> <o:p></o:p></SPAN></P></DIV>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"><o:p> </o:p></SPAN></P>
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<P class=MsoNormal style="MARGIN-BOTTOM: 12pt"><B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'">From:</SPAN></B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'">
equest-users-bounces@lists.onebuilding.org
[mailto:equest-users-bounces@lists.onebuilding.org] <B>On Behalf Of </B>Brett M.
West<BR><B>Sent:</B> Wednesday, August 26, 2009 3:55 PM<BR><B>To:</B>
equest-users@lists.onebuilding.org<BR><B>Subject:</B> [Equest-users] VAV system
unmet hours</SPAN><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-SIZE: 12pt">I am modeling a system which
consists of rooftop AHU’s that serve multiple VAV boxes in a classroom/office
building. The AHU’s are served by chilled water and hot water loops for
conditioning. The problem I am having is that the systems are coming up in the
SS-R report as having large amounts of unmet hours. Even if I try to manually
add heating to the systems there is no affect on the hours. I have attached the
pd2 and inp files. Any suggestions would be appreciated.
Thanks<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">Brett M.
West</SPAN></B><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">Design
Engineer-Mechanical</SPAN><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"> <o:p></o:p></SPAN></P>
<P class=MsoNormal><B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">RMF Engineering,
Inc.</SPAN></B><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">T: 843-971-9639 ext.
1499</SPAN><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">F:
843-971-9641</SPAN><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"><A
href="mailto:bwest@rmf.com"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">bwest@rmf.com</SPAN></A></SPAN><o:p></o:p></P></DIV></BODY></HTML>