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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:"Arial","sans-serif";color:#1F497D'>A follow up question to this, has anyone been successful in controlling the max CFM out of a unit with seasonal schedules. For example, a system can produce 15000 CFM during the winter but 30000 CFM during the summer? This would help me with the modeling of these supplemental supply fans that serve the warehouse space as they only operate during the summer. My strategy would be to schedule this extra CFM during the summer, though I am still trying to figure out how to properly model the actual energy usage since the fan power from the make up units differ from the supply fans…<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><b><span style='font-size:14.0pt;color:#C75B12'>William Mak, LEED Green Associate</span></b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'><br></span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black'>Mechanical Design Engineer</span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black'><br></span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'><br></span><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#C75B12'>EPSTEIN</span></b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'><br></span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black'>Architecture<br>Interiors<br>Engineering<br>Construction<br><br>600 West Fulton Street<br>Chicago, Illinois 60661-1259<br><br>D: (312) 429-8116<br>F: (312) 559-1217<br>E:</span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#0070C0'> <a href="mailto:wmak@epsteinglobal.com">wmak@epsteinglobal.com</a></span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black'><br>W:</span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#C75B12'> <a href="http://www.epsteinglobal.com/"><span style='color:#C75B12'>www.epsteinglobal.com</span></a></span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black'><br><br></span><span style='font-size:10.0pt;font-family:Webdings;color:#00B050'>þ</span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black'> Epstein is a firm believer in sustainability. We ask that you please consider the environment before printing this e-mail.<o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><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"'> Will Mak <br><b>Sent:</b> Wednesday, January 19, 2011 10:43 AM<br><b>To:</b> 'equest-users@lists.onebuilding.org'<br><b>Subject:</b> warehouse supplemental supply fans<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Hello all,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I am working on an energy model for a warehouse in Dallas, TX. The design intent of the warehouse area required 1 air change per hour during the summer. The fans are suppose to operate simultaneously as makeup units that serve the warehouse. Therefore, 10 make up air units and 10 supply fans serve the warehouse area to meet this air change requirement. Modeling the makeup air units can be done by eQuest but I am curious how I should incorporate the supplement supply fans?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Thanks!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:14.0pt;color:#C75B12'>William Mak, LEED Green Associate</span></b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'><br></span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black'>Mechanical Design Engineer</span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black'><br></span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'><br></span><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#C75B12'>EPSTEIN</span></b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'><br></span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black'>Architecture<br>Interiors<br>Engineering<br>Construction<br><br>600 West Fulton Street<br>Chicago, Illinois 60661-1259<br><br>D: (312) 429-8116<br>F: (312) 559-1217<br>E:</span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#0070C0'> <a href="mailto:wmak@epsteinglobal.com">wmak@epsteinglobal.com</a></span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black'><br>W:</span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#C75B12'> <a href="http://www.epsteinglobal.com/"><span style='color:#C75B12'>www.epsteinglobal.com</span></a></span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black'><br><br></span><span style='font-size:10.0pt;font-family:Webdings;color:#00B050'>þ</span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black'> Epstein is a firm believer in sustainability. We ask that you please consider the environment before printing this e-mail.<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>