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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello – I cannot seem to reconcile the demand and consumption (together) of a 20 yr old, 4 story office building with a dysfunctional AC-only RTU and 36 VAV’s with electric reheat coils. I can get the peak demand curves close, but the consequence is a significant reduction in kWh consumption and visa versa. Any help is appreciated. Files and reconciliation curves attached. Thank you!!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Background:<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>OSA dampers are closed continually<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Compressors are cycling on for 4-5 min, then off for 2-3 min, then back on, this goes on 24/7 with a 1 hr shutdown at midnight<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>SF & RF’s running 23/7 (1 hr shutdown at midnight)<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>SF, RF and relief fans are all on VFD’s; relief fan did not activate during 2 weeks of data logging<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>I modeled building zones, but only 1 re-heat – did not model 36 VAV’s separately (would this create the peak demand problem?) thinking the thermal difference would be negligible<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'>Jim Fowler, PE, CEA<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'>Ph: ++206-954-3614<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#7F7F7F'><img width=238 height=45 id="Picture_x0020_1" src="cid:image002.jpg@01CDD23F.95C87F50" alt="GEA logo cropped "><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'>Benchmarking and Energy Audits of<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'>Municipal, Industrial and Commerical Buildings<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'><a href="http://www.globalenergyaudits.com/"><span style='color:#7F7F7F'>www.globalenergyaudits.com</span></a></span><u><span style='color:#7F7F7F'><o:p></o:p></span></u></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>