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<DIV><SPAN class=948323222-31052005><FONT face=Arial size=2>I followed the
method suggested earlier to model the heat recovery system (Renee's email). I
set the ERV type to 'enthalpy wheel', with the make up air temp ctrl set to
mixed air reset & capacity control to ' trim economizer's (the design
engineer suggested this was the closest to the designed system).
</FONT></SPAN></DIV>
<DIV><SPAN class=948323222-31052005><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=948323222-31052005><FONT face=Arial size=2>The overall savings
shown were minute, with a penalty shown on the electric side in fans (this I had
foreseen from additional static pressure needed to drive the air through
the enthalpy wheel) & space cooling (this was surprising - especially
since the base system had humidity controlled at 50%). The space heating was the
only thing which showed considerable savings.</FONT></SPAN></DIV>
<DIV><SPAN class=948323222-31052005><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=948323222-31052005><FONT face=Arial size=2>Am I missing
something, or does this mean that the system (a Semco ERV unit) is probably
not great for this climate (Asheville, NC). </FONT></SPAN></DIV>
<DIV><SPAN class=948323222-31052005><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=948323222-31052005><FONT face=Arial size=2>I would appreciate
any insight into this</FONT></SPAN></DIV>
<DIV><SPAN class=948323222-31052005><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=948323222-31052005><FONT face=Arial
size=2>Thanks</FONT></SPAN></DIV>
<DIV><SPAN class=948323222-31052005><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=948323222-31052005><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=948323222-31052005></SPAN><FONT face=Garamond><STRONG>Vikram
Sami,</STRONG> LEED AP</FONT><B></B> <BR><FONT face=Garamond>Direct Phone
404-253-1466 | Direct Fax 404-253-1366</FONT> </DIV>
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