<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><DIV>Rohini:</DIV>
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<DIV>Doesn't an economizer on a real world double duct system throw air down BOTH ducts, saving cooling but increasing heating?<BR><BR>--- On <B>Wed, 4/8/09, Brahme, Rohini UTRC <I><BrahmeR@utrc.utc.com></I></B> wrote:<BR></DIV>
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: rgb(16,16,255) 2px solid"><BR>From: Brahme, Rohini UTRC <BrahmeR@utrc.utc.com><BR>Subject: [Equest-users] Economizer with dual-duct dual fan<BR>To: equest-users@lists.onebuilding.org<BR>Date: Wednesday, April 8, 2009, 9:38 AM<BR><BR>
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<P class=MsoNormal><SPAN style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri', 'sans-serif'">Does the economizer (based on temperature control) work with a DD-DF system in equest. Comparison between fixed and OA-temp economizer options do not show any change in energy consumption.</SPAN></DIV>
<P class=MsoNormal><SPAN style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri', 'sans-serif'">Thanks</SPAN></DIV>
<P class=MsoNormal><SPAN style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri', 'sans-serif'">-Rohini</SPAN></DIV>
<P class=MsoNormal><SPAN style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri', 'sans-serif'"> </SPAN></DIV>
<P class=MsoNormal><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Calibri', 'sans-serif'"> </SPAN></DIV></DIV></DIV><BR>-----Inline Attachment Follows-----<BR><BR>
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