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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>John,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>If the only parameter Rohini enters into the program is the full-load EIR – which he said is the same for both chillers – how will eQuest know to bend the curves differently for the two chiller options. It is my understanding that program would use the same chiller efficiency curves for both machines even though their IPLVs are different.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>In order to overcome this issue, are you saying Rohini should get chiller performance data from each of the manufacturers and enter his own custom curves? I recall there was a discussion on that topic a few months back.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>James Waechter Jr., P.E., CEM, LEED A.P.<br>Energy Engineer – Rocky Mountain Region<br>p 303 215 4062 | m 727 686 3248<o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>McKinstry</span></b><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><br>Consulting | Construction | Energy | Facility Services<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><a href="http://www.mckinstry.com/"><span style='color:windowtext'>www.mckinstry.com</span></a> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> equest-users-bounces@lists.onebuilding.org [mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>John Aulbach<br><b>Sent:</b> Friday, February 25, 2011 9:41 AM<br><b>To:</b> R B; eQUEST Users List<br><b>Subject:</b> Re: [Equest-users] using IPLV in eQuest<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Rohini:<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>Won't happen. IPLV is a number which has one equation and 4 unknowns. Actually, three unknowns as you know the 100% point. You need a manufacturer's curve run at 85F constant condenser water temperature. Let eQuest do the curve bending after that. ARI curve won't work right.<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-family:"Calibri","sans-serif";color:#1F497D'>John R. Aulbach, PE, CEM<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri","sans-serif";color:#1F497D'>Senior Energy Engineer<o:p></o:p></span></p><div><div class=MsoNormal><span style='font-family:"Calibri","sans-serif";color:#17365D'><hr size=2 width="30%" noshade style='color:#17365D' align=left></span></div></div><p class=MsoNormal><b><span style='font-family:"Calibri","sans-serif";font-variant:small-caps;color:navy'>Partner</span></b><b><span style='font-family:"Calibri","sans-serif";font-variant:small-caps;color:green'> </span></b><b><span style='font-family:"Calibri","sans-serif";font-variant:small-caps;color:#006600'>Energy</span></b><b><span style='font-family:"Calibri","sans-serif";font-variant:small-caps;color:navy'><o:p></o:p></span></b></p><p class=MsoNormal><span style='font-family:"Calibri","sans-serif";color:#1F497D'>1990 E. Grand Avenue, El Segundo, CA 90245<br>W: 888-826-1216, X254| D: 310-765-7295 | F: 310-817-2745<o:p></o:p></span></p><p class=MsoNormal><a href="http://www.ptrenergy.com/"><span style='font-family:"Calibri","sans-serif";color:purple'>www.ptrenergy.com</span></a><span style='font-family:"Calibri","sans-serif";color:#1F497D'> </span><a href="mailto:%7C%20jaulbach@ptrenergy.com"><span style='font-family:"Calibri","sans-serif"'>| jaulbach@ptrenergy.com</span></a><span style='color:#1F497D'><o:p></o:p></span></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><div class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><hr size=1 width="100%" align=center></span></div><p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> R B <slv3sat@gmail.com><br><b>To:</b> eQUEST Users List <equest-users@lists.onebuilding.org><br><b>Sent:</b> Fri, February 25, 2011 7:25:18 AM<br><b>Subject:</b> [Equest-users] using IPLV in eQuest</span><o:p></o:p></p><div><p class=MsoNormal>Hi All, <o:p></o:p></p></div><div><p class=MsoNormal>I would like to compare two screw chillers with same full load kW/ton and different IPLV kW/ton. I am using the full load number for the EIR. Where can the IPLV number be used? Is there some way to scale the performance curves to reflect different IPLV's?<o:p></o:p></p></div><div><p class=MsoNormal>-Rohini<o:p></o:p></p></div></div></div></div><p class=MsoNormal><o:p> </o:p></p></div><br>This email is the property of McKinstry or one of its affiliates and may contain confidential and/or privileged information. If you are not the intended recipient or have received this e-mail in error please notify the sender immediately and delete this e-mail.
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