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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'>Note that 90.1 2013 finally supplied the “official” formulas for extracting fan power from EER, SEER, COP47, and HSPF ratings. The resulting EIR is slighting different compared to the eQUEST formulas discussed below that many of us have been using – for example, the ASHRAE equations account for system capacity, resulting in varying EIR depending on system size. <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 style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>For Baseline HVAC Systems 1,<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>2, 3, 4, 5, and 6, calculate the minimum COP</span><i><span style='font-size:8.0pt;font-family:"TimesNewRomanPS-ItalicMT","serif"'>nfcooling </span></i><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>and<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>COP</span><i><span style='font-size:8.0pt;font-family:"TimesNewRomanPS-ItalicMT","serif"'>nfheating </span></i><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>using the equation for the applicable performance<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>rating as indicated in Tables 6.8.1-1 through 6.8.1-4.<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>Where a full- and part-load efficiency rating is provided in<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>Tables 6.8.1-1 through 6.8.1-4, the full-load equation below<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>shall be used:<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>COP</span><i><span style='font-size:8.0pt;font-family:"TimesNewRomanPS-ItalicMT","serif"'>nfcooling </span></i><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>= 7.84E-8 × EER × </span><i><span style='font-size:10.0pt;font-family:"TimesNewRomanPS-ItalicMT","serif"'>Q </span></i><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>+ 0.338 × EER<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>COP</span><i><span style='font-size:8.0pt;font-family:"TimesNewRomanPS-ItalicMT","serif"'>nfcooling </span></i><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>= –0.0076 × SEER</span><span style='font-size:8.0pt;font-family:"TimesNewRomanPSMT","serif"'>2 </span><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>+ 0.3796 × SEER<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>COP</span><i><span style='font-size:8.0pt;font-family:"TimesNewRomanPS-ItalicMT","serif"'>nfheating </span></i><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>= 1.48E-7 × COP</span><i><span style='font-size:8.0pt;font-family:"TimesNewRomanPS-ItalicMT","serif"'>47 </span></i><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>× </span><i><span style='font-size:10.0pt;font-family:"TimesNewRomanPS-ItalicMT","serif"'>Q </span></i><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>+ 1.062 × COP</span><i><span style='font-size:8.0pt;font-family:"TimesNewRomanPS-ItalicMT","serif"'>47<o:p></o:p></span></i></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>(applies to heat-pump heating efficiency only)<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>COP</span><i><span style='font-size:8.0pt;font-family:"TimesNewRomanPS-ItalicMT","serif"'>nfheating </span></i><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>= –0.0296 × HSPF</span><span style='font-size:8.0pt;font-family:"TimesNewRomanPSMT","serif"'>2 </span><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>+ 0.7134 × HSPF<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>where COP</span><i><span style='font-size:8.0pt;font-family:"TimesNewRomanPS-ItalicMT","serif"'>nfcooling </span></i><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>and COP</span><i><span style='font-size:8.0pt;font-family:"TimesNewRomanPS-ItalicMT","serif"'>nfheating </span></i><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>are the packaged HVAC<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>equipment cooling and heating energy efficiency, respectively,<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>to be used in the baseline building, which excludes<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>supply fan power, and </span><i><span style='font-size:10.0pt;font-family:"TimesNewRomanPS-ItalicMT","serif"'>Q </span></i><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>is the AHRI-rated cooling capacity<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>in Btu/h.<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>EER, SEER, COP, and HSPF shall be at AHRI test conditions.<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>Fan energy shall be modeled separately according to<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"TimesNewRomanPSMT","serif"'>Section G3.1.2.10.</span><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'> <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><b><span style='font-size:11.0pt;font-family:"Verdana","sans-serif";color:#666666'>Maria Karpman </span></b><span style='font-size:11.0pt;font-family:"Verdana","sans-serif";color:#666666'>LEED AP, BEMP, CEM</span><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:"Verdana","sans-serif";color:#666666'>________________</span><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:"Verdana","sans-serif";color:#666666'>Karpman Consulting<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:#666666'><a href="http://www.karpmanconsulting.net/"><span style='color:blue'>www.karpmanconsulting.net</span></a> </span><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:#666666'>Phone </span><span style='font-size:7.5pt;font-family:"Helvetica","sans-serif";color:#666666;background:white'>860.430.1909 </span><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:7.5pt;font-family:"Arial","sans-serif";color:#666666'>41C New London Turnpike</span><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:7.5pt;font-family:"Arial","sans-serif";color:#666666'>Glastonbury, CT 06033</span><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'><o:p> </o:p></span></p><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 [mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Elizabeth Gillmor<br><b>Sent:</b> Tuesday, June 09, 2015 11:32 AM<br><b>To:</b> Jones, Christopher<br><b>Cc:</b> equest<br><b>Subject:</b> Re: [Equest-users] Indoor fan separation at ARI<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Chris you are right, the unit labels should have been W/cfm not kW. Thanks for the catch! <o:p></o:p></p><div><p class=MsoNormal><img border=0 width=523 height=64 id="_x0000_i1025" src="cid:image005.png@01D0A365.BA646370" alt="Inline image 2"><o:p></o:p></p></div></div><div><p class=MsoNormal><br clear=all><o:p></o:p></p><div><div><div><div><div><div><div><div><div><p class=MsoNormal><b>Elizabeth Gillmor </b><b><span style='font-size:7.5pt'>PE, LC, LEED AP</span></b><o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><b><span style='font-size:18.0pt;font-family:"Arial","sans-serif";color:#38761D;background:white'>e n e r g e t i c s </span></b><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#38761D'>consulting engineers, llc</span></b><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;color:#666666;background:white'><a href="http://energetics-eng.com" target="_blank">energetics-eng.com</a></span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:#666666;background:white'>c 303.619.0091</span><o:p></o:p></p></div></div></div></div></div></div></div></div></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Tue, Jun 9, 2015 at 8:49 AM, Jones, Christopher <<a href="mailto:Christopher.r.Jones@wspgroup.com" target="_blank">Christopher.r.Jones@wspgroup.com</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Just checking but 0.365 kW/cfm seems pretty high. That is 356 W/cfm. The DOE2.2 default is 0.0006 kW/cfm, 0.6 W/cfm for the PSZ system</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><img border=0 width=108 height=43 id="_x0000_i1026" src="cid:image006.png@01D0A365.BA646370" alt="cid:image003.png@01D09C46.E75BA0D0"></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1C467A'>Christopher Jones,</span></b><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'> </span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>P.Eng.<i> <br></i></span><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Senior Engineer</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'> </span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>WSP Canada Inc.</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>2300 Yonge Street, Suite 2300</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Toronto, ON M4P 1E4</span><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#595959'><br></span><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>T <a href="tel:%2B1%20416-644-4226" target="_blank">+1 416-644-4226</a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>F <a href="tel:%2B1%20416-487-9766" target="_blank">+1 416-487-9766</a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>C <a href="tel:%2B1%20416-697-0065" target="_blank">+1 416-697-0065</a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><a href="http://www.wspgroup.com/" target="_blank">www.wspgroup.com</a> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><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 [mailto:<a href="mailto:equest-users-bounces@lists.onebuilding.org" target="_blank">equest-users-bounces@lists.onebuilding.org</a>] <b>On Behalf Of </b>Elizabeth Gillmor<br><b>Sent:</b> Tuesday, June 09, 2015 10:09 AM<br><b>To:</b> Omar ElRawy<br><b>Cc:</b> equest<br><b>Subject:</b> Re: [Equest-users] Indoor fan separation at ARI</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I seem to get this comment frequently so I have it all typed out as a stock LEED comment response. The advice you received is correct. You can use the following formulas for fan power and EIR:<o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif"'>kW/cfm = BHP / 0.746 * Fan Motor Efficiency (<----from Appendix G)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif"'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif"'>BHP = CFM * 0.0013 + Pressure Drop Adjustment</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif"'>The baseline EIR is then calculated with fan energy modeled separately, using the following formula (same as what eQuest uses in Wizard mode):</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif"'><img border=0 width=310 height=49 id="_x0000_i1027" src="cid:image007.png@01D0A365.BA646370" alt="Inline image 1"></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif"'>Where ARI Fan Power = fan power at rated ARI conditions (W/Btuh), and CAP = total cooling capacity (Btuh). At rated ARI conditions, the supply fan is rated at 0.365 kW/cfm and 400 cfm/ton, such that:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif"'><img border=0 width=465 height=62 id="_x0000_i1028" src="cid:image008.png@01D0A365.BA646370" alt="Inline image 2"></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif"'>When normalizing the cooling capacity, the formula is:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif"'><img border=0 width=501 height=77 id="_x0000_i1029" src="cid:image009.png@01D0A365.BA646370" alt="Inline image 3"></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif"'>When applied to a baseline EER=9.5, the resulting EIR=0.3051. The eQuest wizard will also do this for you correctly, but usually at LEED submittal time we are all well past the wizard phase, so the formulas above are handy to have. </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif"'>Good luck!</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif"'>Elizabeth</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal align=center style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-align:center'> <o:p></o:p></p></div></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><br clear=all><o:p></o:p></p><div><div><div><div><div><div><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b>Elizabeth Gillmor </b><b><span style='font-size:7.5pt'>PE, LC, LEED AP</span></b><o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:18.0pt;font-family:"Arial","sans-serif";color:#38761D;background:white'>e n e r g e t i c s </span></b><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#38761D'>consulting engineers, llc</span></b><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;color:#666666;background:white'><a href="http://energetics-eng.com" target="_blank">energetics-eng.com</a></span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#666666;background:white'>c <a href="tel:303.619.0091" target="_blank">303.619.0091</a></span><o:p></o:p></p></div></div></div></div></div></div></div></div></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On Tue, Jun 9, 2015 at 3:26 AM, Omar ElRawy <<a href="mailto:omaroelrawy@gmail.com" target="_blank">omaroelrawy@gmail.com</a>> wrote:<o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-align:justify'><b><span style='font-family:"Arial","sans-serif";color:black'>Dear all,</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-align:justify'><b><span style='font-family:"Arial","sans-serif";color:black'> I've got the following reply for a psz system in the baseline case during preliminary LEED design submittal:</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-align:justify'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-align:justify'><b><span style='font-family:"Arial","sans-serif";color:black'>"</span></b><b><span style='font-family:"Arial","sans-serif";color:#38761D'>N</span></b><span style='font-family:"Arial","sans-serif";color:#38761D'>ote that section G3.1.2.1 requires that where efficiency ratings, such as EER and COP, include fan energy, the descriptor shall be broken down into its components so that supply fan energy can be modeled separately. Because the efficiency ratings are calculated at ARI-rated conditions, the fans should also be broken out at ARI-rated conditions. Most simulation software programs have the capability to perform this step automatically. Provide documentation showing that this calculation has been performed by the software automatically or provide calculations consistent with the ASHRAE 90.1-2007 User’s Manual showing that the calculation has been performed at ARI-rated conditions</span><span style='font-family:"Arial","sans-serif";color:black'>."</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-align:justify'> <o:p></o:p></p><p style='margin:0in;margin-bottom:.0001pt;vertical-align:baseline;outline:0px;background-image:initial;background-repeat:initial'><span style='font-family:"Arial","sans-serif";color:black'>What I did is that I referred to eQuest library, and documented the following paragraph to the reviewer:</span><o:p></o:p></p><p style='margin:0in;margin-bottom:.0001pt;vertical-align:baseline;outline:0px;background-image:initial;background-repeat:initial'><span style='font-family:"Arial","sans-serif";color:black'>"</span><span style='font-family:"Arial","sans-serif";color:#783F04'>COOLING-EIR:<br>The Electric Input Ratio (EIR), or 1/(Coefficient of Performance), for the cooling unit at ARI rated conditions..... This EIR is at ARI rated conditions, i.e., without correction for different temperature or part load. Note: If you include fan electric energy consumption in your value of COOLING-EIR, then you should set SUPPLY-KW/FLOW to zero. Otherwise, the supply fan electrical energy will be double counted........ Imbedding the fan energy into the COOLING-EIR is valid only if the fan is constant volume and INDOOR-FAN-MODE = INTERMITTENT; i.e. the fan cycles on/off with the compressor. If the fan runs continuously during occupied hours, or the fan is variable volume, then the fan energy cannot be included in the COOLING-EIR (or HEATING-EIR).</span><span style='font-family:"Arial","sans-serif";color:black'>"</span><o:p></o:p></p><p style='margin:0in;margin-bottom:.0001pt;vertical-align:baseline;outline:0px;background-image:initial;background-repeat:initial'><span style='font-family:"Arial","sans-serif";color:black'>And I did set fan kw/cfm to zero, intermittent, and constant volume, but I've got the SV-A report reporting zero kw power demand, and zero fan (kw) for the system and its zones.</span><o:p></o:p></p><p style='margin:0in;margin-bottom:.0001pt;vertical-align:baseline;outline:0px;background-image:initial;background-repeat:initial'><u><span style='font-family:"Arial","sans-serif";color:black'>Then I got an advice stating that:</span></u><o:p></o:p></p><p style='margin:0in;margin-bottom:.0001pt;vertical-align:baseline;outline:0px;background-image:initial;background-repeat:initial'><span style='font-family:"Arial","sans-serif";color:black'>"You should do what the reviewer mentions, divide the indoor fan from the efficiency rating at ARI-rated conditions and model it separately; this way you will be able to report the appropriate fan power"</span><o:p></o:p></p><p style='margin:0in;margin-bottom:.0001pt;vertical-align:baseline;outline:0px;background-image:initial;background-repeat:initial'><span style='font-family:"Arial","sans-serif";color:black'>My question is:<b> where do I separately input the indoor fan power (kw), and what value should it be?, knowing that this is a baseline case that do not refer to an actual design.</b></span><o:p></o:p></p><p style='margin:0in;margin-bottom:.0001pt;vertical-align:baseline;outline:0px;background-image:initial;background-repeat:initial'><span style='font-family:"Arial","sans-serif";color:black'>Thanks,</span><o:p></o:p></p><div><div><div><div><div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt;margin-top:0px!important;margin-bottom:0px!important'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:9.5pt;font-family:"Arial","sans-serif";color:#222222'>Omar ElRawy, LEED AP BD+C</span></b><o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:9.5pt;font-family:"Arial","sans-serif";color:#222222'>LEED Project Manager</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:9.5pt;font-family:"Arial","sans-serif";color:#222222'>EA Sustainable Building Consultants</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:9.5pt;font-family:"Arial","sans-serif";color:#222222'><a href="http://www.ea-buildingconsultants.com/" target="_blank">http://www.ea-buildingconsultants.com</a></span><o:p></o:p></p></div></blockquote></div></div></div></div></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><br>_______________________________________________<br>Equest-users mailing list<br><a href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org" target="_blank">http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org</a><br>To unsubscribe from this mailing list send a blank message to <a href="mailto:EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG" target="_blank">EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG</a><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div><div class=MsoNormal align=center style='text-align:center'><hr size=2 width="100%" align=center></div><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:gray'><br>You are receiving this communication because you are listed as a current WSP contact. 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