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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>In Addendum ac there is an adjustment for
energy recovery for the Baseline. This addendum hasn’t been adopted yet
but it should be soon.<o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font>
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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Ellen Franconi, Ph.D.<br>
Energy Analysis Group Manager<br>
Architectural Energy Corporation <br>
2540 Frontier Avenue, Suite 201 <br>
Boulder, CO 80301 <br>
303-444-4149 <br>
303-444-4304 fax <br>
<a href="http://www.archenergy.com">http://www.archenergy.com</a></span></font><o:p></o:p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Michael Andelman
[mailto:mike@andelmanlelek.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Friday, June 08, 2007 1:21
PM<br>
<b><span style='font-weight:bold'>To:</span></b> BLDG-SIM@gard.com<br>
<b><span style='font-weight:bold'>Subject:</span></b> [BLDG-SIM] 90.1 Appendix
G fan power</span></font><o:p></o:p>
</p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font>
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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>ASHRAE 90.1 2004 Appendix G has pressure credits for
filters, but not for energy recovery devices.<o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thus, it would appear that any situation where energy
recovery is required, the as designed fan system is at a disadvantage since the
baseline fan bhp is calculated without any pressure credit, but the as design
system is sized to include the pressure drop through the energy recovery device.
I’ve looked for interpretations on this, but could not find any.
Does anyone know of a ruling on this?<o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font>
</p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks,<o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Mike<o:p></o:p></span></font>
</p>
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12.0pt'><br>
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