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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='color:#1F497D'>Sorry, 35F should read 25F <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-family:"Corbel","sans-serif";color:#1F497D'>Joe Fleming </span></b><span style='font-family:"Corbel","sans-serif";color:#1F497D'>|<b> </b>PE, LEED AP BD+C, BEMP<o:p></o:p></span></p><p class=MsoNormal><i><span style='font-family:"Corbel","sans-serif";color:#1F497D'>Commissioning Agent / Energy Modeler </span></i><span style='font-family:"Corbel","sans-serif";color:#1F497D'>| </span><b><span style='font-family:"Corbel","sans-serif";color:#5B960C'>The Spinnaker Group</span></b><i><span style='font-family:"Corbel","sans-serif";color:#1F497D'><o:p></o:p></span></i></p><p class=MsoNormal><b><span style='font-family:"Corbel","sans-serif";color:#1F497D'>561.602.3132 |</span></b><b><span style='font-family:"Corbel","sans-serif";color:#7F7F7F'> </span></b><b><span style='font-family:"Corbel","sans-serif";color:#1F497D'><a href="mailto:joe@thespinnakergroupinc.com">joe@thespinnakergroupinc.com</a></span></b><span style='font-family:"Corbel","sans-serif";color:#7F7F7F'> <o:p></o:p></span></p></div><p class=MsoNormal><span style='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"'> hap-users-bounces@lists.onebuilding.org [mailto:hap-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Joe Fleming<br><b>Sent:</b> Tuesday, August 13, 2013 5:30 PM<br><b>To:</b> 'Matthew Scott'; hap-users@lists.onebuilding.org<br><b>Subject:</b> Re: [Hap-users] Simulating an exhaust fan to cool a transformer room<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:#1F497D'>Hi Matthew, <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I have not been 100% successful in doing this through a system. <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Instead I do the following;<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Set up a space with the proper load components from the transformer and building skin and then give it an infiltration rate that is equal to the airflow of my exhaust fan. <o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Then that space gets assigned to a system with no cooling or heating. <o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>From there obtain a design report for the Hourly Zone Loads for the space. This gives a temp at every hour for each month, 288 total temps. <o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Scan this for any hours where the temperature is below the EF to T-stat design set-point by some range. <o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Any hours that are below this set-point by a certain “range” get multiplied by the number of days in that month and subtracted from 8760 hours. <o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>For the “range” mentioned above I remove the infiltration load from the space and re-run the design report for the Hourly Zone Loads. The temperature difference between the OA Temp and Zone Temp of this new run, with no infiltration, is my allowable “range”. If Zone Temp is 105F and OA temp is 80F then my range is 35F. So any hours in the first run, (the run with infiltration), 35F below my desired set-point are assumed to not need fan operation. <o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Remember to schedule the transformer load properly otherwise all hours will be hot.<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>At the end there will be some number of hours less than 8760 that gets multiplied by the fan bhp and added to the Building Misc. Energy tab of the Building Properties.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>That’s the best I have come up with. Hopefully it helps!<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Regards<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-family:"Corbel","sans-serif";color:#1F497D'>Joe Fleming </span></b><span style='font-family:"Corbel","sans-serif";color:#1F497D'>|<b> </b>PE, LEED AP BD+C, BEMP<o:p></o:p></span></p><p class=MsoNormal><i><span style='font-family:"Corbel","sans-serif";color:#1F497D'>Commissioning Agent / Energy Modeler </span></i><span style='font-family:"Corbel","sans-serif";color:#1F497D'>| </span><b><span style='font-family:"Corbel","sans-serif";color:#5B960C'>The Spinnaker Group</span></b><i><span style='font-family:"Corbel","sans-serif";color:#1F497D'><o:p></o:p></span></i></p><p class=MsoNormal><b><span style='font-family:"Corbel","sans-serif";color:#1F497D'>561.602.3132 |</span></b><b><span style='font-family:"Corbel","sans-serif";color:#7F7F7F'> </span></b><b><span style='font-family:"Corbel","sans-serif";color:#1F497D'><a href="mailto:joe@thespinnakergroupinc.com">joe@thespinnakergroupinc.com</a></span></b><span style='font-family:"Corbel","sans-serif";color:#7F7F7F'> <o:p></o:p></span></p></div><p class=MsoNormal><span style='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"'> <a href="mailto:hap-users-bounces@lists.onebuilding.org">hap-users-bounces@lists.onebuilding.org</a> [<a href="mailto:hap-users-bounces@lists.onebuilding.org">mailto:hap-users-bounces@lists.onebuilding.org</a>] <b>On Behalf Of </b>Matthew Scott<br><b>Sent:</b> Tuesday, August 13, 2013 2:48 PM<br><b>To:</b> <a href="mailto:hap-users@lists.onebuilding.org">hap-users@lists.onebuilding.org</a><br><b>Subject:</b> [Hap-users] Simulating an exhaust fan to cool a transformer room<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Has anyone had any luck simulating the use of an exhaust fan drawing fresh air through a louver to cool a transformer room?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:Magneto'>Matt Scott<o:p></o:p></span></p><p class=MsoNormal>N.E. Fisher & Associates, Inc.<o:p></o:p></p><p class=MsoNormal>329 East Second St, 2<sup>nd </sup>Flr<o:p></o:p></p><p class=MsoNormal>Boyertown, PA 19512<o:p></o:p></p><p class=MsoNormal>e: <a href="mailto:mscott@nefisher.com">mscott@nefisher.com</a><o:p></o:p></p><p class=MsoNormal>p: 610-369-3190<o:p></o:p></p><p class=MsoNormal>f: 610-369-3194<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>