<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:m="http://schemas.microsoft.com/office/2004/12/omml" 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)"><style><!--
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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:windowtext'>I would like to use the atrium option in the DD Wizard to distinguish between zones that have plenums and those that don’t. All of the zones are in a single shell. i.e. I have a shell with zones that have plenums and zones that don’t. <o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:windowtext'>When you select the </span><span style='color:black'>multi-level space (atrium) option, it asks for the loads in the lower portion of the zone. I have assumed that I should make all the values equal to 100% since all of the loads will be in the conditioned space. <o:p></o:p></span></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:black'>Am I incorrectly using the atrium option? <o:p></o:p></span></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:black'>Thank you!<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><div><div><p class=MsoNormal><b><span style='font-size:9.0pt;color:black'>Mark Craig</span></b><span style='color:black'><o:p></o:p></span></p></div></div></div></body></html>