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<DIV><FONT color=#000080 size=2 face=Verdana>
<DIV><FONT color=#000080 size=2 face=Verdana>Hi Rob Hudson,</FONT></DIV>
<DIV><FONT
color=#000080> First
thanks for your reply. I followed you advice that set the snap temp to 120,
and there is no heating load, I made it .</FONT></DIV>
<DIV><FONT
color=#000080> But
for the DOAS system ,as you said that the dummy space <FONT
color=#000000>doesn't need to have walls or loads,I created a new
floor</FONT> named dummy floor using a box with 1ft width ,1ft depth and
1ft floor-floor.Then in the dummy floor ,I created a child space named
dummy space with box-shaped,1ft width ,1ft depth. After this ,I created a new
HVAC system named DOAS system , that is SZRH.Here is the problem:the DOAS
system's "control zone" dose't include the dummy space defined ealier,as
the chart showed below, So I have to cancel. </FONT></DIV>
<DIV><FONT color=#000080 size=2 face=Verdana><IMG src="cid:__0@Foxmail.net"
width=321 height=225></FONT></DIV>
<DIV><FONT color=#c0c0c0 size=2 face=Verdana>2010-04-20 </FONT></DIV><FONT
color=#000080 size=2 face=Verdana>
<DIV>
<HR style="WIDTH: 100px" align=left color=#b5c4df SIZE=1>
</DIV>
<DIV>The simulation can't run ,then I checked the building description，it
turned out as the chart showed below:</DIV>
<DIV> <IMG src="cid:__1@Foxmail.net" width=546 height=502></DIV>
<DIV>I do know that I have misunderstood the method definfying the dummy space
，what is the correct one？<SPAN style="COLOR: #1f497d">I’ve attached my INP
and PD2 files.</SPAN></DIV></FONT></FONT></DIV>
<DIV><FONT color=#000080 size=2 face=Verdana></FONT> </DIV>
<DIV><FONT color=#000080 size=2 face=Verdana></FONT> </DIV>
<DIV><FONT color=#c0c0c0 size=2 face=Verdana>2010-04-21 </FONT></DIV><FONT
color=#000080 size=2 face=Verdana>
<HR style="WIDTH: 100px" align=left color=#b5c4df SIZE=1>
</FONT>
<DIV><FONT color=#c0c0c0 size=2 face=Verdana><SPAN>tsea2005</SPAN> </FONT></DIV>
<HR color=#b5c4df SIZE=1>
<DIV><FONT size=2 face=Verdana><STRONG>发件人：</STRONG> Rob Hudson </FONT></DIV>
<DIV><FONT size=2 face=Verdana><STRONG>发送时间：</STRONG> 2010-04-19 22:07:20
</FONT></DIV>
<DIV><FONT size=2 face=Verdana><STRONG>收件人：</STRONG> Grando, John </FONT></DIV>
<DIV><FONT size=2 face=Verdana><STRONG>抄送：</STRONG> tsea2005;
equest-users@lists.onebuilding.org </FONT></DIV>
<DIV><FONT size=2 face=Verdana><STRONG>主题：</STRONG> Re: [Equest-users] How to
turn off hot water loop and how to make aFCU+DOAS system simulation
</FONT></DIV>
<DIV><FONT size=2 face=Verdana></FONT> </DIV>
<DIV><FONT size=2 face=Verdana>you can keep the heating and hot water in the
model, and simply use "non heating" thermostat schedules that will allow the
space to be satisfied without turning on the hot water coils. also in the
hot water loop there is a snap temperature. set this to 120 or something
high and the boilers and attached equipment will never turn on.
<BR><BR>also for the DOAS system with FCU equipment. i have done exactly
that and gotten good results. Start by setting all your FCU systems to
have OA-FROM-SYSTEM to the DOAS system and make sure that the DOAS system is
attached to a "dummy space." this space doesn't need to have walls or
loads, just 1sqft of space and the correct thermostat schedules and it should
work just fine.<BR><BR>
<DIV class=gmail_quote>2010/4/19 Grando, John <SPAN dir=ltr><<A
href="mailto:JGrando@cosentini.com">JGrando@cosentini.com</A>></SPAN><BR>
<BLOCKQUOTE
style="BORDER-LEFT: rgb(204,204,204) 1px solid; MARGIN: 0pt 0pt 0pt 0.8ex; PADDING-LEFT: 1ex"
class=gmail_quote>
<DIV style="MARGIN: 10px; FONT-FAMILY: verdana; FONT-SIZE: 10pt">
<DIV dir=ltr align=left><SPAN><FONT face=verdana>You can just select it as it
is and then remove it in Detailed edit or set the heating level to something
extremely low (55F).</FONT></SPAN></DIV>
<DIV> </DIV>
<P><SPAN lang=en-us><FONT face=Arial></FONT></SPAN><BR><SPAN
lang=en-us><B><FONT color=#0000ff face=Arial>John Grando</FONT><FONT
face=Arial> </FONT><FONT color=#0000ff face=Arial>LEED AP</FONT><FONT
face=Arial>| </FONT><FONT color=#808080 face=Arial>Mechanical
Engineer</FONT><BR></B></SPAN><BR><SPAN lang=en-us><FONT
face=Arial> </FONT></SPAN> </P>
<DIV> </DIV><BR>
<DIV dir=ltr lang=en-us align=left>
<HR>
<FONT face=Tahoma><B>From:</B> tsea2005 [mailto:<A
href="mailto:tsea2005@163.com" target=_blank>tsea2005@163.com</A>]
<BR><B>Sent:</B> Saturday, April 17, 2010 2:56 AM
<DIV class=im><BR><B>To:</B> <A
href="mailto:equest-users@lists.onebuilding.org"
target=_blank>equest-users@lists.onebuilding.org</A><BR></DIV><B>Subject:</B>
[Equest-users] How to turn off hot water loop and how to make a FCU+DOAS
system simulation<BR></FONT><BR></DIV>
<DIV>
<DIV></DIV>
<DIV class=h5>
<DIV></DIV>
<DIV><FONT face=Verdana></FONT> </DIV>
<DIV><FONT face=Verdana>Hi all:</FONT></DIV>
<DIV> I am simulating a building which
dosen't need heating via FCU,but in eQuest's air-side
system,there is the 4-pipe Fan coils with HW heat. <IMG
src="cid:__2@Foxmail.net"> I don't need heating so how can i
turn off the heat water loop in detailed interface mode？</DIV>
<DIV> </DIV>
<DIV> Another question is HOw to service the
whole building with both FCU and DOAS?</DIV>
<DIV> </DIV>
<DIV>Thank you so much!</DIV>
<DIV align=left><FONT color=#c0c0c0 face=Verdana>2010-04-17 </FONT></DIV><FONT
face=Verdana>
<HR style="MIN-HEIGHT: 2px; WIDTH: 122px" align=left SIZE=2>
<DIV><FONT color=#c0c0c0 face=Verdana><SPAN>tsea2005</SPAN>
</FONT></DIV></FONT><BR clear=all></DIV></DIV>NOTICE OF CONFIDENTIALITY This
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</DIV><BR>_______________________________________________<BR>Equest-users
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clear=all><BR>-- <BR>Rob Hudson<BR></FONT></DIV></BODY></HTML>