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<DIV><SPAN class=543091215-28102008><FONT face=Arial color=#0000ff size=2>I'm
wondering whether the Mixed Air Reset will really be implemented in the
real system? How big difference the air temperature control strategy will
make?</FONT></SPAN></DIV>
<DIV><SPAN class=543091215-28102008><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=543091215-28102008><FONT face=Arial color=#0000ff
size=2>Xiaobing</FONT></SPAN></DIV>
<BLOCKQUOTE>
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B>
bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org]<B>On Behalf Of </B>eric
wang<BR><B>Sent:</B> Tuesday, October 28, 2008 10:06 AM<BR><B>To:</B>
bldg-sim@lists.onebuilding.org; Kingsley, Michael L.<BR><B>Subject:</B> Re:
[Bldg-sim] ERV with increasing cooling load<BR><BR></FONT></DIV>
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<DIV>Hi,</DIV>
<DIV> </DIV>
<DIV>Thanks a lot for all your replies. I changed the following settings
and solved the problem.</DIV>
<DIV> </DIV>
<DIV>Control Sequences Operation: when minimum OA </DIV>
<DIV>Make air temperature cotrol: Mixed Air Reset</DIV>
<DIV> </DIV>
<DIV>Best,</DIV>
<DIV> </DIV>
<DIV>Shaojie<BR><BR>--- On <B>Tue, 10/28/08, Kingsley, Michael L.
<I><MICHAEL.L.KINGSLEY@saic.com></I></B> wrote:<BR></DIV>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: rgb(16,16,255) 2px solid">From:
Kingsley, Michael L. <MICHAEL.L.KINGSLEY@saic.com><BR>Subject:
RE: [Bldg-sim] ERV with increasing cooling load<BR>To:
shaojieworld2006@yahoo.com, bldg-sim@lists.onebuilding.org<BR>Date:
Tuesday, October 28, 2008, 8:09 AM<BR><BR><PRE>Shaojie,
Check to make sure that you are not recovering heat during hours that
you can be using the economizer. Choose the Control Sequences:
Operation: "When Minimum OA" so that the heat recovery device will
only
operate when you cannot benefit from free cooling.
Mike
Michael L. Kingsley, PhD, PE, LEED AP
Senior Engineer/ Project Manager
SAIC
6390 Fly Road
East Syracuse, New York 13057
Phone: (315) 437-1869 x205
Cell: (315) 373-4081
Fax: (315) 437-1866
Email: kingsleym@saic.com
-----Original Message-----
From: bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] On Behalf Of eric wang
Sent: Monday, October 27, 2008 11:32 PM
To: bldg-sim@lists.onebuilding.org
Subject: [Bldg-sim] ERV with increasing cooling load
Hi,
I model a PSZ system with exhaust air heat recovery. I set the static
pressures of supply/exhaust fans as zero in ERV tab. Therefore, the fan
energy is the same with or without ERV. However, there is an increasing
cooling load in the cooling model. I changed the hourly report and
didn't find the reason. Any suggestions are highly appreciated.
Thanks
Shaojie
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