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<DIV><FONT size=2 face=Arial>Thanks, I will give this a try</FONT></DIV>
<BLOCKQUOTE
style="BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px"
dir=ltr>
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><B>From:</B>
<A title=JEvans@sustaineng.com href="mailto:JEvans@sustaineng.com">Jon
Evans</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=panderson@jpengineer.com
href="mailto:panderson@jpengineer.com">W. Peter Anderson</A> ; <A
title=equest-users@lists.onebuilding.org
href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Thursday, June 25, 2009 3:10
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> RE: [Equest-users]
[equest-users]</DIV>
<DIV><BR></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">W.
Peter,<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">Check your zone
airflows – if too low, it will take quite a bit of heat from the coil to
change the space temperature. 1 cfm/SF of supply air is typical for many
building types and spaces with standard ventilation
requirements.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">Check your reheat
deltaT – this delta plus your preheat coil in your air handler need to be
higher than your space setpoint<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">Check your zone
supply air temperature – I think eQuest defaults to 95; I would bump this up
to 105.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">If you have
simplified the zoning of the building you may want to break these problem
spaces up into smaller zones.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">You can also override
your zone coil capacities, but should coordinate this with the mechanical
designer to ensure that your modeling is realistic (for example you have
simplified and combined several zones; make sure that the coil capacity is at
least the summation of all these zones).<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">Good
luck.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<P style="MARGIN: 0in 0in 0pt"><FONT color=navy size=2
face="Times New Roman"><SPAN style="COLOR: navy; FONT-SIZE: 10pt">Jon Evans,
PE, LEED AP<o:p></o:p></SPAN></FONT></P>
<P style="MARGIN: 0in 0in 0pt"><FONT color=navy size=3
face="Times New Roman"><SPAN
style="COLOR: navy; FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P style="MARGIN: 0in 0in 0pt"><FONT color=navy size=2
face="Times New Roman"><SPAN style="COLOR: navy; FONT-SIZE: 10pt">Sustainable
Engineering Group LLC</SPAN></FONT><FONT color=navy><SPAN
style="COLOR: navy"><o:p></o:p></SPAN></FONT></P>
<P style="MARGIN: 0in 0in 0pt"><st1:Street w:st="on"><st1:address
w:st="on"><FONT color=navy size=2 face="Times New Roman"><SPAN
style="COLOR: navy; FONT-SIZE: 10pt">431 Charmany Drive Suite
102</SPAN></FONT></st1:address></st1:Street><FONT color=navy size=2><SPAN
style="COLOR: navy; FONT-SIZE: 10pt"><o:p></o:p></SPAN></FONT></P>
<P style="MARGIN: 0in 0in 0pt"><st1:place w:st="on"><st1:City w:st="on"><FONT
color=navy size=2 face="Times New Roman"><SPAN
style="COLOR: navy; FONT-SIZE: 10pt">Madison</SPAN></FONT></st1:City><FONT
color=navy size=2><SPAN style="COLOR: navy; FONT-SIZE: 10pt">, <st1:State
w:st="on">WI</st1:State> <st1:PostalCode
w:st="on">53719</st1:PostalCode></SPAN></FONT></st1:place><FONT color=navy
size=2><SPAN
style="COLOR: navy; FONT-SIZE: 10pt"><o:p></o:p></SPAN></FONT></P>
<P style="MARGIN: 0in 0in 0pt"><FONT color=navy size=3
face="Times New Roman"><SPAN
style="COLOR: navy; FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P style="MARGIN: 0in 0in 0pt"><FONT color=navy size=2
face="Times New Roman"><SPAN style="COLOR: navy; FONT-SIZE: 10pt">Tel: (608)
231 9664 x 13<o:p></o:p></SPAN></FONT></P>
<P style="MARGIN: 0in 0in 0pt"><FONT color=navy size=2
face="Times New Roman"><SPAN style="COLOR: navy; FONT-SIZE: 10pt">Fax: (608)
231 9665<o:p></o:p></SPAN></FONT></P>
<P style="MARGIN: 0in 0in 0pt"><FONT color=navy size=2
face="Times New Roman"><SPAN style="COLOR: navy; FONT-SIZE: 10pt">E-mail:
jevans@sustaineng.com<o:p></o:p></SPAN></FONT></P>
<P style="MARGIN: 0in 0in 0pt"><FONT color=navy size=2
face="Times New Roman"><SPAN style="COLOR: navy; FONT-SIZE: 10pt">Web:
</SPAN></FONT><FONT color=navy><SPAN style="COLOR: navy"><A
href="www.sustaineng.com"><FONT size=2><SPAN
style="FONT-SIZE: 10pt">www.sustaineng.com</SPAN></FONT></A><o:p></o:p></SPAN></FONT></P></DIV>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<DIV style="TEXT-ALIGN: center" class=MsoNormal align=center><FONT size=3
face="Times New Roman"><SPAN style="FONT-SIZE: 12pt">
<HR tabIndex=-1 align=center SIZE=2 width="100%">
</SPAN></FONT></DIV>
<P class=MsoNormal><B><FONT size=2 face=Tahoma><SPAN
style="FONT-FAMILY: Tahoma; FONT-SIZE: 10pt; FONT-WEIGHT: bold">From:</SPAN></FONT></B><FONT
size=2 face=Tahoma><SPAN style="FONT-FAMILY: Tahoma; FONT-SIZE: 10pt"> W.
Peter Anderson [mailto:panderson@jpengineer.com] <BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Thursday, June 25, 2009 9:00
AM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> <st1:PersonName
w:st="on">equest-users@lists.onebuilding.org</st1:PersonName><BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> [Equest-users]
[equest-users]</SPAN></FONT><o:p></o:p></P></DIV>
<P class=MsoNormal><FONT size=3 face="Times New Roman"><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Greetings-</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">I have set up PVAV systems with
hot water coils. I am getting error messages (See Below) for each of my
systems. On the LS-S reports, heating capacity for unit and zones is
zero, but I do have hot water coils and a boiler loop,
etc.</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT size=3 face="Times New Roman"><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">See below,
</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Thansk,</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">W. Peter Anderson, P.E<BR>JP
Engineering<BR><st1:Street w:st="on"><st1:address w:st="on">41 Mechanic
Street</st1:address></st1:Street><BR><st1:place w:st="on"><st1:City
w:st="on">Windsor</st1:City>, <st1:State w:st="on">CT</st1:State>
<st1:PostalCode w:st="on">06095</st1:PostalCode></st1:place><BR>Ph:
860/688-5223<BR>Fax: 860/688-5269 </SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT size=3 face="Times New Roman"><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT size=3 face="Times New Roman"><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">**WARNING**********************************************************************</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">ZONE EL1 NE Perim Zn (G.NE2)
</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">might have insufficient heating
capability.</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Check that the SYSTEM or ZONE
HEATING-CAPACITY plus this</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">ZONEs BASEBOARD-RATING is adequate
to maintain the ZONE</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">specified DESIGN-HEAT-T for the
calculated peak ZONE load</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">(see LS-A or LS-B for the ZONE
peak load.)</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">SYSTEM HVAC-1
</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">which supplies the above listed
ZONE, has a design heating</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">coil exit temperature,
HEAT-SET-T,(plus any zone reheat)</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">below its MAX-SUPPLY-T or the ZONE
DESIGN-HEAT-T, which</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">might account for the insufficient
heating capability.</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">**WARNING**********************************************************************</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">ZONE EL4 East Perim Zn (G.E2)
</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">might have insufficient heating
capability.</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Check that the SYSTEM or ZONE
HEATING-CAPACITY plus this</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">ZONEs BASEBOARD-RATING is adequate
to maintain the ZONE</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">specified DESIGN-HEAT-T for the
calculated peak ZONE load</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">(see LS-A or LS-B for the ZONE
peak load.)</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">SYSTEM HVAC-1
</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">which supplies the above listed
ZONE, has a design heating</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">coil exit temperature,
HEAT-SET-T,(plus any zone reheat)</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">below its MAX-SUPPLY-T or the ZONE
DESIGN-HEAT-T, which</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">might account for the insufficient
heating capability.</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">**WARNING**********************************************************************</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">PREHEAT/HEATING-CAPACITY in SYSTEM
HVAC-1 </SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">is too low to provide the
requested supply temperature for</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">the calculated mixed air
temperature using total ZONE loads</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">(on LS-A/B) and SYSTEM design
parameters, plus outside air</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">conditions (on LS-C), and
specified capacities & air flows.</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Requested temperature is 55.00
calculated is -3.14</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Check HEATING-CAPACITY,
HEAT-SET-T, PRE-HEAT-T, MAX-SUPPLY-T,</SPAN></FONT><o:p></o:p></P>
<P><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">DESIGN-HEAT-T, and ZONE loads for
consistency.</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT size=3 face="Times New Roman"><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV></DIV></BLOCKQUOTE></BODY></HTML>