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<p class=MsoNormal>I have two air-cooled chillers that I’m using to
charge an ice thermal storage system at night. I have entered the EIR
that equest calculated with the EER based on the chillers’ normal
operating conditions (44 degree CHWST). Now, the model with ice storage
is using about 46% less energy for space cooling, which is way too low. They
should be pretty close to the same.. <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Does anybody have experience with this? I’m
thinking that equest isn’t derating my chillers while they’re
making ice (should be ~35% decrease in efficiency). I will probably have
to get the chiller efficiencies at ice-making conditions and add 2 more
chillers into equest at these conditions to charge my ice storage, and just
allow the other chillers to run during the day. Can anybody confirm this
or provide any other tips?<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Thanks,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Greg
Collins</span></b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><br>
</span><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Design
Engineer / Energy Analyst<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Mechanical
Department</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><br>
</span><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>LEED®
Accredited Professional</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><br>
<br>
</span><a href="http://www.glumac.com/"><span style='font-size:12.0pt;
font-family:"Times New Roman","serif";color:blue;text-decoration:none'><img
border=0 width=343 height=41 id="Picture_x0020_1"
src="cid:image001.gif@01CACA92.3500C7C0"
alt="http://www.glumac.com/glumacsig.gif"></span></a><span style='font-size:
12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'>18200
Von Karman Ave., Suite 100</span><span style='font-size:12.0pt;font-family:
"Times New Roman","serif"'><br>
</span><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'>Irvine,
CA 92612</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><br>
</span><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'>T.
949.833.8190 F. 949.833.0252<br>
<br>
</span><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:#333333'>Thinking. Inside the building.</span></b><span style='font-size:
9.0pt;font-family:"Arial","sans-serif"'><br>
</span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:#333333'><a href="http://www.glumac.com/"><span style='color:blue'>www.glumac.com</span></a></span><span
style='font-size:12.0pt;font-family:"Times New Roman","serif"'> </span><o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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