<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML xmlns="http://www.w3.org/TR/REC-html40" xmlns:v =
"urn:schemas-microsoft-com:vml" xmlns:o =
"urn:schemas-microsoft-com:office:office" xmlns:w =
"urn:schemas-microsoft-com:office:word" xmlns:st1 =
"urn:schemas-microsoft-com:office:smarttags"><HEAD>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<META content="MSHTML 6.00.2900.2963" name=GENERATOR><!--[if !mso]>
<STYLE>v\:* {
BEHAVIOR: url(#default#VML)
}
o\:* {
BEHAVIOR: url(#default#VML)
}
w\:* {
BEHAVIOR: url(#default#VML)
}
.shape {
BEHAVIOR: url(#default#VML)
}
</STYLE>
<![endif]--><o:SmartTagType name="PostalCode"
namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagType><o:SmartTagType
name="State"
namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagType><o:SmartTagType
name="place"
namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagType><o:SmartTagType
name="City"
namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagType><o:SmartTagType
name="Street"
namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagType><o:SmartTagType
name="address"
namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagType><!--[if !mso]>
<STYLE>st1\:* {
BEHAVIOR: url(#default#ieooui)
}
</STYLE>
<![endif]-->
<STYLE>@font-face {
font-family: Tahoma;
}
@font-face {
font-family: Verdana;
}
@font-face {
font-family: Arial Narrow;
}
@font-face {
font-family: Franklin Gothic Demi;
}
@page Section1 {size: 8.5in 11.0in; margin: 1.0in 1.25in 1.0in 1.25in; }
P.MsoNormal {
FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"
}
LI.MsoNormal {
FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"
}
DIV.MsoNormal {
FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"
}
A:link {
COLOR: blue; TEXT-DECORATION: underline
}
SPAN.MsoHyperlink {
COLOR: blue; TEXT-DECORATION: underline
}
A:visited {
COLOR: purple; TEXT-DECORATION: underline
}
SPAN.MsoHyperlinkFollowed {
COLOR: purple; TEXT-DECORATION: underline
}
SPAN.EmailStyle17 {
COLOR: windowtext; FONT-FAMILY: Arial; mso-style-type: personal
}
SPAN.EmailStyle18 {
COLOR: navy; FONT-FAMILY: Arial; mso-style-type: personal
}
SPAN.EmailStyle19 {
COLOR: navy; FONT-FAMILY: Arial; mso-style-type: personal-reply
}
DIV.Section1 {
page: Section1
}
</STYLE>
<!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></HEAD>
<BODY lang=EN-US vLink=purple link=blue>
<DIV dir=ltr align=left><SPAN class=513425916-22052008><FONT face=Arial
color=#0000ff size=2>Robby:</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=513425916-22052008><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=513425916-22052008><FONT face=Arial
color=#0000ff size=2>Try putting in more heat exchanger capacity in the ground.
Morning warm-ups are always a "bear" anyway.</FONT></SPAN></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-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <B>On Behalf Of </B>Robby
Oylear<BR><B>Sent:</B> Thursday, May 22, 2008 9:36 AM<BR><B>To:</B>
bldg-sim@onebuilding.org<BR><B>Subject:</B> Re: [Bldg-sim] eQUEST GSHP Unmet
Load Hours<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">I’ve never used an
optimum start schedule before. I tried inputting the -999 flag in the
schedule but without much luck. It reduced the number of load hours from
around 1100 total to 800, but did not eliminate the problem. So far I’ve
found that increasing max zone entering temperature and increasing the supply
cfm lowers the unmet load hours, but I’m afraid of increasing the energy use
unnecessarily. I’ve got the same building using a different system to meet
all of its unmet load hours with similar CFM and btu-h
heating/sf.<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><FONT face="Franklin Gothic Demi" color=navy size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: navy; FONT-FAMILY: 'Franklin Gothic Demi'">Robby
Oylear</SPAN></FONT><FONT face="Franklin Gothic Demi" color=navy size=2><SPAN
style="FONT-SIZE: 11pt; COLOR: navy; FONT-FAMILY: 'Franklin Gothic Demi'"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><I><FONT face="Times New Roman" color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-STYLE: italic">Mechanical
Engineer<o:p></o:p></SPAN></FONT></I></P>
<P class=MsoNormal><FONT face="Times New Roman" color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy">direct:
206.788.4571<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy">cell: 206.354.2721</SPAN></FONT><FONT
color=navy><SPAN style="COLOR: navy"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-BOTTOM: 3pt"><FONT face=Arial color=navy
size=1><SPAN style="FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Arial"><A
title=blocked::http://www.rushingco.com/ href="http://www.rushingco.com"><FONT
color=navy><SPAN style="COLOR: navy; TEXT-DECORATION: none"><SPAN
title=blocked::http://www.rushingco.com/>www.rushingco.com</SPAN></SPAN></FONT></A></SPAN></FONT><FONT
face=Arial size=1><SPAN
style="FONT-SIZE: 8pt; FONT-FAMILY: Arial"><o:p></o:p></SPAN></FONT></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"> Eric Yang
[mailto:Eric.Yang@smithgroup.com] <BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Thursday, May 22, 2008 8:17
AM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> Robby Oylear;
bldg-sim@onebuilding.org<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> RE: [Bldg-sim] eQUEST GSHP Unmet
Load Hours</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">Maybe you can input or
modify optimum start schedule. <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>
<DIV>
<DIV>
<DIV>
<DIV>
<P class=MsoNormal><B><FONT face=Verdana color=#5f5f5f size=1><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; COLOR: #5f5f5f; FONT-FAMILY: Verdana">Eric
Yang <o:p></o:p></SPAN></FONT></B></P>
<P class=MsoNormal><B><FONT face=Verdana color=#5f5f5f size=1><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; COLOR: #5f5f5f; FONT-FAMILY: Verdana">Mechanical
Engineer Group</SPAN></FONT></B><FONT face=Verdana color=navy size=1><SPAN
style="FONT-SIZE: 6pt; COLOR: navy; FONT-FAMILY: Verdana"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Verdana color=#5f5f5f size=1><SPAN
style="FONT-SIZE: 7pt; COLOR: #5f5f5f; FONT-FAMILY: Verdana">LEED AP,
C.E.M<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Verdana color=#5f5f5f size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: #5f5f5f; FONT-FAMILY: Verdana">…………………………………………………… <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Verdana color=navy size=1><SPAN
style="FONT-SIZE: 6pt; COLOR: navy; FONT-FAMILY: Verdana"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><B><FONT face=Verdana color=#5f5f5f size=1><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; COLOR: #5f5f5f; FONT-FAMILY: Verdana">SmithGroup</SPAN></FONT></B><FONT
face=Verdana color=navy size=1><SPAN
style="FONT-SIZE: 6pt; COLOR: navy; FONT-FAMILY: Verdana"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><st1:Street w:st="on"><st1:address w:st="on"><FONT
face=Verdana color=black size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: black; FONT-FAMILY: Verdana">1850 K Street NW,
Suite 250</SPAN></FONT></st1:address></st1:Street><FONT face=Verdana color=black
size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: black; FONT-FAMILY: Verdana"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><st1:place w:st="on"><st1:City w:st="on"><FONT face=Verdana
color=black size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: black; FONT-FAMILY: Verdana">Washington</SPAN></FONT></st1:City><FONT
face=Verdana color=black size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: black; FONT-FAMILY: Verdana">, <st1:State
w:st="on">D.C.</st1:State> <st1:PostalCode
w:st="on">20006</st1:PostalCode></SPAN></FONT></st1:place><FONT face=Verdana
color=navy size=1><SPAN
style="FONT-SIZE: 6pt; COLOR: navy; FONT-FAMILY: Verdana"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><B><FONT face=Verdana color=gray size=1><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; COLOR: gray; FONT-FAMILY: Verdana">D</SPAN></FONT></B><FONT
face=Verdana color=gray size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: gray; FONT-FAMILY: Verdana"> 2 0 2 . 9 7 4 .
4 5 5 5<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><B><FONT face=Verdana color=gray size=1><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; COLOR: gray; FONT-FAMILY: Verdana">F</SPAN></FONT></B><FONT
face=Verdana color=gray size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: gray; FONT-FAMILY: Verdana"> 7 3 4 . 7 8 0 .
8 6 7 1</SPAN></FONT><FONT face="Arial Narrow" color=gray size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: gray; FONT-FAMILY: 'Arial Narrow'"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Verdana color=navy size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Verdana; LETTER-SPACING: 1pt"><A
href="mailto:eric.yang@smithgroup.com"><FONT color=#5f5f5f><SPAN
style="COLOR: #5f5f5f">eric.yang@smithgroup.com</SPAN></FONT></A><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=Verdana color=red size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: red; FONT-FAMILY: Verdana">“</SPAN></FONT><FONT
face=Verdana color=navy size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Verdana"><A
href="http://www.bdcnetwork.com/article/CA6440632.html"><FONT color=red><SPAN
style="COLOR: red">One of the Best AEC Firms to Work
For</SPAN></FONT></A></SPAN></FONT><FONT face=Verdana color=red size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: red; FONT-FAMILY: Verdana">”</SPAN></FONT><FONT
face=Verdana color=navy size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Verdana"><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=Verdana color=gray size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: gray; FONT-FAMILY: Verdana">Building Design +
Construction Magazine, May 2007 </SPAN></FONT><FONT face=Verdana color=navy
size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Verdana"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Verdana color=#5f5f5f size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: #5f5f5f; FONT-FAMILY: Verdana">See how we do it.
</SPAN></FONT><FONT face=Verdana color=#ff6600 size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: #ff6600; FONT-FAMILY: Verdana">/</SPAN></FONT><FONT
face=Verdana color=navy size=1><SPAN
style="FONT-SIZE: 6pt; COLOR: navy; FONT-FAMILY: Verdana"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" color=navy size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: navy"><A title=http://www.smithgroup.com/
href="http://www.smithgroup.com/"><FONT face=Verdana color=#ff6600 size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: #ff6600; FONT-FAMILY: Verdana"><SPAN
title=http://www.smithgroup.com/>www.smithgroup.com</SPAN></SPAN></FONT></A><o:p></o:p></SPAN></FONT></P></DIV></DIV></DIV></DIV></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-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <B><SPAN
style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Robby Oylear<BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Thursday, May 22, 2008 11:13
AM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B>
bldg-sim@onebuilding.org<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> [Bldg-sim] eQUEST GSHP Unmet Load
Hours</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 size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Hi
everyone,<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">I’m trying to model a ground source
heat pump system in eQUEST using a Water Loop Heat Pump system attached to a
ground source heat exchanger. The system seems to work fine during
occupied hour but it just can’t meet morning warm-up loads. I’m doing a
systems energy analysis for our local energy code compliance and there is a
mandatory night setback of 55 °F from 70 °F in heating. During winter
months the system doesn’t seem to be able to jump from 55 °F to 70 °F space
temperature in less than 1-2 hours. I’ve double checked the fan schedules
and the system is allowed to come on during this time.
<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">Does anyone have any suggestions for
getting the system to meet these unmet load hours?
<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="Franklin Gothic Demi" size=3><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Franklin Gothic Demi'">Robby
Oylear</SPAN></FONT><FONT face="Franklin Gothic Demi" size=2><SPAN
style="FONT-SIZE: 11pt; FONT-FAMILY: 'Franklin Gothic Demi'"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><I><FONT face="Times New Roman" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-STYLE: italic">Mechanical
Engineer<o:p></o:p></SPAN></FONT></I></P>
<P class=MsoNormal><FONT face="Times New Roman" size=2><SPAN
style="FONT-SIZE: 10pt">direct: 206.788.4571<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=2><SPAN
style="FONT-SIZE: 10pt">cell: 206.354.2721</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal style="MARGIN-BOTTOM: 3pt"><FONT face=Arial size=1><SPAN
style="FONT-SIZE: 8pt; FONT-FAMILY: Arial"><A
title=blocked::http://www.rushingco.com/ href="http://www.rushingco.com"><FONT
color=black><SPAN style="COLOR: windowtext; TEXT-DECORATION: none"><SPAN
title=blocked::http://www.rushingco.com/>www.rushingco.com</SPAN></SPAN></FONT></A><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-BOTTOM: 3pt"><FONT face=Arial size=1><SPAN
style="FONT-SIZE: 8pt; FONT-FAMILY: Arial"><IMG id=_x0000_i1025 height=41
src="cid:513425916@22052008-14C5" width=95
border=0><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></BODY></HTML>