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<DIV><FONT face=Verdana size=2><SPAN class=383033702-23122009>I set the minimum
OSA in all zones to zero, with no economizer my annual energy is 836,000 kWh
annually.</SPAN></FONT></DIV>
<DIV><FONT face=Verdana size=2><SPAN
class=383033702-23122009></SPAN></FONT> </DIV>
<DIV><FONT face=Verdana size=2><SPAN class=383033702-23122009>With the
economizer selected the kWh went up to 844,000 kWh annually.</SPAN></FONT></DIV>
<DIV><FONT face=Verdana size=2><SPAN
class=383033702-23122009></SPAN></FONT> </DIV>
<DIV><FONT face=Verdana size=2><SPAN class=383033702-23122009>Climate is CZ06
and the area is a Basement. in the detailed reports the difference in
temperature between outside and inside is -10+ and there is no OSA flow at
all.</SPAN></FONT></DIV>
<DIV><FONT face=Verdana size=2><SPAN
class=383033702-23122009></SPAN></FONT> </DIV>
<DIV><FONT face=Verdana size=2><SPAN class=383033702-23122009>no matter what i
do I cannot get any benfit from economizer</SPAN></FONT></DIV>
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PE, <SPAN class=SpellE>CxA</SPAN></SPAN></SPAN><SPAN
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Engineering, Inc.</SPAN></B></SPAN><SPAN
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style="FONT-SIZE: 8.5pt; COLOR: black; FONT-FAMILY: Verdana; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Arial">5000
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<st1:State w:st="on">CA</st1:State> <st1:PostalCode
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