<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns:p="urn:schemas-microsoft-com:office:powerpoint" xmlns:a="urn:schemas-microsoft-com:office:access" xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882" xmlns:s="uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882" xmlns:rs="urn:schemas-microsoft-com:rowset" xmlns:z="#RowsetSchema" xmlns:b="urn:schemas-microsoft-com:office:publisher" xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet" xmlns:c="urn:schemas-microsoft-com:office:component:spreadsheet" xmlns:odc="urn:schemas-microsoft-com:office:odc" xmlns:oa="urn:schemas-microsoft-com:office:activation" xmlns:html="http://www.w3.org/TR/REC-html40" xmlns:q="http://schemas.xmlsoap.org/soap/envelope/" xmlns:rtc="http://microsoft.com/officenet/conferencing" xmlns:D="DAV:" xmlns:Repl="http://schemas.microsoft.com/repl/" xmlns:mt="http://schemas.microsoft.com/sharepoint/soap/meetings/" xmlns:x2="http://schemas.microsoft.com/office/excel/2003/xml" xmlns:ppda="http://www.passport.com/NameSpace.xsd" xmlns:ois="http://schemas.microsoft.com/sharepoint/soap/ois/" xmlns:dir="http://schemas.microsoft.com/sharepoint/soap/directory/" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:dsp="http://schemas.microsoft.com/sharepoint/dsp" xmlns:udc="http://schemas.microsoft.com/data/udc" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:sub="http://schemas.microsoft.com/sharepoint/soap/2002/1/alerts/" xmlns:ec="http://www.w3.org/2001/04/xmlenc#" xmlns:sp="http://schemas.microsoft.com/sharepoint/" xmlns:sps="http://schemas.microsoft.com/sharepoint/soap/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:udcs="http://schemas.microsoft.com/data/udc/soap" xmlns:udcxf="http://schemas.microsoft.com/data/udc/xmlfile" xmlns:udcp2p="http://schemas.microsoft.com/data/udc/parttopart" xmlns:wf="http://schemas.microsoft.com/sharepoint/soap/workflow/" xmlns:dsss="http://schemas.microsoft.com/office/2006/digsig-setup" xmlns:dssi="http://schemas.microsoft.com/office/2006/digsig" xmlns:mdssi="http://schemas.openxmlformats.org/package/2006/digital-signature" xmlns:mver="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns:mrels="http://schemas.openxmlformats.org/package/2006/relationships" xmlns:spwp="http://microsoft.com/sharepoint/webpartpages" xmlns:ex12t="http://schemas.microsoft.com/exchange/services/2006/types" xmlns:ex12m="http://schemas.microsoft.com/exchange/services/2006/messages" xmlns:pptsl="http://schemas.microsoft.com/sharepoint/soap/SlideLibrary/" xmlns:spsl="http://microsoft.com/webservices/SharePointPortalServer/PublishedLinksService" xmlns:Z="urn:schemas-microsoft-com:" xmlns:st="" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
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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:black'>Hello,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>I’m attempting to model a PIU system with series boxes, and I’m using the ZONE-FANS-ONLY keyword to simulate night cycling for heating temperature control. In winter months, the hourly reports make sense with zone fans and coils operating to condition the space, but in summer months, the system remains off and temperatures rise above the unoccupied setpoint (way above over the weekend when the system is “off”). Is there a way to use this keyword such that only zone fans operate in the winter but all fans (and cooling) operate in the summer to maintain unoccupied setpoints? <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>In reality the entire system would cycle on in the summer during unoccupied hours since cooling is required, but in winter the zone fans would be adequate by themselves.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Thanks in advance for your responses,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><div><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%'><tr><td style='padding:2.25pt 2.25pt 2.25pt 2.25pt'><p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#6A747C'>Matt Edwards, PE, LEED AP BD+C</span></b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#6A747C'><br>Green Integration Group<o:p></o:p></span></p></td></tr><tr><td colspan=4 style='padding:2.25pt 2.25pt 2.25pt 2.25pt'><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:black'><img width=260 height=52 id="_x0000_i1025" src="cid:image001.gif@01CC3D73.94F3F0D0"></span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:black'><o:p></o:p></span></p></td></tr><tr><td style='padding:2.25pt 2.25pt 2.25pt 2.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#6A747C'>274 Summer Street | Boston, MA 02210<o:p></o:p></span></p></td><td style='padding:2.25pt 2.25pt 2.25pt 2.25pt'></td><td style='padding:2.25pt 2.25pt 2.25pt 2.25pt'></td><td style='padding:2.25pt 2.25pt 2.25pt 2.25pt'></td></tr><tr><td style='padding:2.25pt 2.25pt 2.25pt 2.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#6A747C'>T 617.956.4826 | F 617.423.7401 <o:p></o:p></span></p></td><td style='padding:2.25pt 2.25pt 2.25pt 2.25pt'></td><td style='padding:2.25pt 2.25pt 2.25pt 2.25pt'></td><td style='padding:2.25pt 2.25pt 2.25pt 2.25pt'></td></tr><tr><td style='padding:2.25pt 2.25pt 2.25pt 2.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#9FCF67'>www.vanderweil.com <o:p></o:p></span></p></td><td style='padding:2.25pt 2.25pt 2.25pt 2.25pt'></td><td style='padding:2.25pt 2.25pt 2.25pt 2.25pt'></td><td style='padding:2.25pt 2.25pt 2.25pt 2.25pt'></td></tr></table></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>