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<p class="MsoNormal">Hi Juan,<o:p></o:p></p>
<p class="MsoNormal">The EIR is the efficiency at rated conditions. The EER is full-load efficiency of VRF and other cooling systems, so it should be used to calculate the EIR (=3.413/EER). The Integrated Energy Efficiency Ratio (IEER) represents part-load
performance. There is no input for IEER in eQUEST. It has to be accounted for using the system performance curves and other system keywords. It’s not easy to customize all the inputs needed to reflect the part-load performance of a system. The intent of the
default DOE-2 inputs and performance curves is to approximate part-load performance for typical systems, but there is always an need to gather manufacturer performance data and improve/supplement the default curves and inputs.<o:p></o:p></p>
<p class="MsoNormal">The default DOE-2 values for EIR should always be overwritten with user inputs whenever you know the actual equipment efficiency or you if you are trying to represent a baseline or code-minimum condition. For chillers, if you enter a value
for KW/TON, the EIR is automatically corrected.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards,<o:p></o:p></p>
<p class="MsoNormal">~Bill<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Franklin Gothic Medium",sans-serif;color:black">William Bishop, PE, BEMP, BEAP, CEM, LEED AP<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black">Senior Energy Engineer<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:3.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></b></p>
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</v:shapetype><v:shape id="Picture_x0020_4" o:spid="_x0000_s1026" type="#_x0000_t75" alt="Pathfinder-EA-logo-2" style='position:absolute;margin-left:0;margin-top:63.6pt;width:68.45pt;height:43.9pt;z-index:-251657216;visibility:visible;mso-wrap-style:square;mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt;mso-wrap-distance-top:0;mso-wrap-distance-right:9pt;mso-wrap-distance-bottom:0;mso-position-horizontal:left;mso-position-horizontal-relative:text;mso-position-vertical:absolute;mso-position-vertical-relative:text;mso-width-percent:0;mso-height-percent:0;mso-width-relative:page;mso-height-relative:page'>
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</v:shape><![endif]--><![if !vml]><img width="91" height="59" style="width:.9479in;height:.6145in" src="cid:image006.jpg@01D4E31E.978C8600" align="left" hspace="12" alt="Pathfinder-EA-logo-2" v:shapes="Picture_x0020_4"><![endif]><b><i><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#002060">T:
(585) 698-1956</span></i></b><b><i><span style="color:#002060"> </span>
</i></b><span style="color:#1F497D"> </span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#1F497D">F: (585) 325-6005<o:p></o:p></span></p>
<p class="MsoNormal"><a href="mailto:wbishop@pathfinder-ea.com"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:blue">bbishop@pathfinder-ea.com</span></a><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black"> </span><a href="http://www.pathfinder-ea.com/"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:blue">www.pathfinder-ea.com</span></a><span style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#1F497D">134 South Fitzhugh Street<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#1F497D">Rochester, NY 14608 <img border="0" width="26" height="23" style="width:.2708in;height:.2395in" id="Picture_x0020_1" src="cid:image005.png@01D4E31A.33487B30">
</span><i><span style="font-size:7.0pt;font-family:"Verdana",sans-serif;color:#00B0F0">Ask me why Carbon Fee & Dividend may be right for you.</span></i><span style="color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Equest-users <equest-users-bounces@lists.onebuilding.org>
<b>On Behalf Of </b>Juan Carlos Sanabria Fallas via Equest-users<br>
<b>Sent:</b> Monday, March 25, 2019 11:06 AM<br>
<b>To:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> [Equest-users] EIR<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">Hi, I have a question about EIR modeling.
<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">When I’m modeling the cooling unitary power and I load curves the curves to approximate VRF system(llike Mitsubishi guideline), I have to model with EER or IEER?<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">Another question I have is when you have a chiller equipment efficiency, you have to correct EIR?<br>
<br>
Best Regards,<br>
<br>
</span></i><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#5F6369;mso-fareast-language:ES-CR">Juan Carlos Sanabria<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#5F6369;mso-fareast-language:ES-CR">Sustainability Department<b>
</b>Project Engineer<b><o:p></o:p></b></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#5F6369;mso-fareast-language:ES-CR">Main: +506 2243-1000<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#5F6369;mso-fareast-language:ES-CR">Direct: +506 2243-1069<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#5F6369;mso-fareast-language:ES-CR"><a href="mailto:juan.sanabria.fallas@jci.com">juan.sanabria.fallas@jci.com</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="ES-CR" style="color:#1F497D;mso-fareast-language:ES-CR"><a href="http://www.johnsoncontrols.com/"><span style="color:black;mso-fareast-language:ES-US">www.johnsoncontrols.com</span></a></span><span lang="ES-CR" style="color:#5F6369;mso-fareast-language:ES-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ES-CO" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#5F6369;mso-fareast-language:ES-CR">Parque Empresarial Forum 1, Edificio H, Piso 2
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