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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:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Attached is a small paper describing the process to convert EER to EIR that I received during an eQUEST training class.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>As to the reports, SV-A lists EIR for DX equipment in the upper right. Power demand for supply and return fans is also listed. Report SS-H shows Heat pump compressor + condenser electric or electric reheat and Unitary equipment compressor + condenser electric energy in the right four columns. SS-P shows the monthly compressor energy use.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Franklin Gothic Book","sans-serif";color:#1F497D'>Mark Nieman, PE, CEM | McKinstry | Sr. Energy Engineer</span><span style='color:#1F497D'> <br></span><span style='font-size:10.0pt;font-family:"Franklin Gothic Book","sans-serif";color:#1F497D'>d 206.832.8152 | m 206.510.4760 | f 206.832.8552</span><span style='color:#1F497D'> <br></span><span style='font-size:10.0pt;font-family:"Franklin Gothic Book","sans-serif";color:#474747'>FOR THE</span><b><span style='color:#1F497D'> </span></b><b><span style='font-size:10.0pt;font-family:"Franklin Gothic Book","sans-serif";color:#365F91'>LIFE</span></b><span style='font-size:10.0pt;font-family:"Franklin Gothic Book","sans-serif";color:#474747'> OF YOUR BUILDING</span><span style='color:#1F497D'> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><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"'> Arunabha Sau [mailto:runabha@gmail.com] <br><b>Sent:</b> Friday, June 24, 2011 4:23 PM<br><b>To:</b> equest-users@lists.onebuilding.org; Mark Nieman; Nick Caton; Paul Riemer<br><b>Subject:</b> EIR to EER<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif"'>Howdy all,</span><o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif"'>How to calculated EER? It's redundant, I know. There was several post regarding this, but if anybody post some link to some valid document, it would be highly appreciated.</span><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif"'>For few posts, I've found (in blue texts) is here. Can you guys please tell me how to find Condenser & Compressor Fan Watts from output report? Please help.</span><o:p></o:p></p></div><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:13.5pt;font-family:"Courier New";color:#3366FF'>~~~~~~~~~</span></span><o:p></o:p></p></div><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:13.5pt;font-family:"Courier New";color:#3366FF'>From: Paul Riemer [mailto:<a href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org">Paul.Riemer at dunhameng.com</a>] </span></span><span class=apple-style-span><span style='font-size:13.5pt;font-family:"Courier New"'>I do not recall where I found this but obviously I attribute it to the above</span></span><span class=apple-style-span><span style='font-size:13.5pt'><o:p></o:p></span></span></p><pre><o:p> </o:p></pre><pre><span class=apple-style-span><span style='color:#3366FF'>Sent: Wednesday, August 13, 2008 3:13 PM<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>To: 'Robby Oylear'; <a href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org">equest-users at lists.onebuilding.org</a><o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>Subject: RE: [Equest-users] Wizard DX EER Correction<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'> <o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>I thought Andrew said this mostly well but maybe equations would help.<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'> <o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>EER = (Cooling Output Btu/hr ) / (Supply Fan W + Compressor W + Condenser<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>Fan W)<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'> <o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>COP = Output / Input and is unitless <o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'> <o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>EIR = 1/COP (so it is also unitless) = (Compressor Input + Condenser Input)<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>/ (Cooling Output)<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'> <o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>So hopefully you see that EIR does not include supply fan energy. All fan<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>energy is modeled in DOE-2 based on the separate fan energy inputs and<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>assumptions. Of course ASHRAE 90.1-2004 Section 6 and Appendix G including<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>amendments prescribe baseline fan power limits and part load performance.<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'> <o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>I believe the Standard Test Procedure for determining the EER rating<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>includes a prescribed external static pressure but exactly what portion of<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>the total unit electric energy is due to the supply fan would vary a little<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>from unit to unit based on type of fan, internal static losses, etc.<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'> <o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>So the eQUEST WIZARD is removing an assumed standard fan component from the<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>entered EER and doing a units conversion to determine a cooling efficiency<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>(EIR) for DOE-2.<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'> <o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>I have in my files: <o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'> <o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>EIR = (1/EER-0.012167)/((1/3.413)+ 0.012167)<o:p></o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'><o:p> </o:p></span></span></pre><pre><span class=apple-style-span><span style='color:#3366FF'>EIR = (1/SEER*0.778+1.4)-0.012167)/((1/3.413)+ 0.012167)</span><o:p></o:p></span></pre><pre><span class=apple-style-span><o:p> </o:p></span></pre><pre><span class=apple-style-span> </span><o:p></o:p></pre><pre style='white-space:pre-wrap'><span style='color:#3366FF'>eQUEST development team. I do apologize if it is out of date,<o:p></o:p></span></pre><pre><span style='color:#3366FF'>misinterpreted, or mistyped.<o:p></o:p></span></pre><pre><span style='color:#3366FF'><o:p> </o:p></span></pre><pre><span style='color:#3366FF'> <o:p></o:p></span></pre><pre><span style='color:#3366FF'><o:p> </o:p></span></pre><pre><span style='color:#3366FF'>I encourage digging deep through the program, its help files, and the<o:p></o:p></span></pre><pre><span style='color:#3366FF'>various archives and also attending a training session like the Energy<o:p></o:p></span></pre><pre><span style='color:#3366FF'>Center of Wisconsin's with Marlin Addison.<o:p></o:p></span></pre><pre><span style='color:#3366FF'><o:p> </o:p></span></pre><pre><span style='color:#3366FF'> <o:p></o:p></span></pre><pre><span style='color:#3366FF'><o:p> </o:p></span></pre><pre><span style='color:#3366FF'>Paul Riemer</span><o:p></o:p></pre><pre style='white-space:pre-wrap'><o:p> </o:p></pre><pre style='white-space:pre-wrap'><span class=apple-style-span><span style='font-size:13.5pt;color:#3366FF'>~~~~~~~~~</span></span><o:p></o:p></pre><pre style='white-space:pre-wrap'><span style='font-family:"Tahoma","sans-serif"'>Once again, I appreciate your help.<o:p></o:p></span></pre><pre><o:p> </o:p></pre><pre style='white-space:pre-wrap'><span style='font-family:"Tahoma","sans-serif"'>Much thanks,</span><o:p></o:p></pre><pre style='white-space:pre-wrap'><span style='font-family:"Tahoma","sans-serif"'>Aru</span><o:p></o:p></pre><div><p class=MsoNormal><span style='font-size:13.5pt'><o:p> </o:p></span></p></div></div></div><br>This email is the property of McKinstry or one of its affiliates and may contain confidential and/or privileged information. 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