<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:arial, helvetica, sans-serif;font-size:10pt"><DIV>To eQuest users,</DIV>
<DIV> </DIV>
<DIV>Only EIR is required for the chiller efficiency input.</DIV>
<DIV>This can be converted easily to COP from which most of the manufacturers specify this on their cut sheets/catalogues to get the EIR.</DIV>
<DIV>Questions are:</DIV>
<DIV> </DIV>
<DIV>1. What is this COP/EIR input in eQuest?</DIV>
<DIV> Is this for Full Load or Partial Load?</DIV>
<DIV> </DIV>
<DIV>2. Chiller COP list in ASHRAE 90.1 are for part loads, right?</DIV>
<DIV> So where and how can we get the ASHRAE 90.1 full load efficiency?</DIV>
<DIV> </DIV>
<DIV>3. If these ASHRAE 90.1 lists are for PART LOAD, how can we properly model the baseline efficiency for LEED Submission?</DIV>
<DIV> Are there any other way of using the ASHRAE Table other than referring to flow per TR, Chilled Water & Condenser Water condition?</DIV>
<DIV> Using NPLV/IPLV only, shall we interpolate from the ASHRAE 90.1 Table to get the Part Load COP since ASHRAE Table specifies Part Load COPs?</DIV>
<DIV> We should model the chillers at the same condition right? and that will be ARI Condition.</DIV>
<DIV> </DIV>
<DIV>4. Does anybody know how to convert the ASHRAE Chiller's ARI Condition listed in ASHRAE 90.1 to our weather condition here in Dubai?</DIV>
<DIV> Or is there a formula in converting the ARI Condition to the local weather where the project will be built?</DIV>
<DIV> </DIV>
<DIV>Any related help from their own experience will be helpful.</DIV>
<DIV>Thanks in advance</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>Reniel</DIV>
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