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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'><o:p> </o:p></span></p><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"'> Nirupama Laskminarasimhan [mailto:nirupama@lightec.net] <br><b>Sent:</b> Friday, March 02, 2012 3:44 PM<br><b>To:</b> equest-users@lists.onebuilding.org<br><b>Cc:</b> Jodie Lucci; James Michael Grady<br><b>Subject:</b> Modeling cabinet/unit heaters<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m modeling a school building with unit heaters and cabinet heaters. There is a central boiler serving these heaters. The rest of the school has fin-tube radiation all along its exterior walls. I’m trying to create thermal zones to match the interior space types (classrooms, corridors, etc.). But for classrooms with 2 unit heaters, I’m not sure how a system could be created- <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Can I create a forced air hot water heater that runs on the hot water loop, and specify the BHP of the motor and the cfm’s the fan handles?<o:p></o:p></p><p class=MsoListParagraph> OR<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Baseboards with MBH capacities running on the hot water loop + w/sf on the misc. loads to compensate for the fan electricity consumption?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>If I went ahead with option 1, I would account for the systems, but I do not understand if the heating capacity in MBH for the unit heaters comes from the boiler? (based on the boiler’s capacity)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>If I went ahead with modeling unit heaters as baseboards with misc. electric load, wouldn’t I run into ventilation issues, as I’m not accounting for the cfm’s of air moved by the fans in these heaters?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Also, can someone tell me how a thermal zone on eQuest behaves? Do the walls of the zone represent the “vertical walls” in the building interior?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thank you.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Nirupama<o:p></o:p></p></div></body></html>