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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi, everyone:<o:p></o:p></p><p class=MsoNormal>This is a question puzzled me for a long time,  what's the meaning of "packaged" in the air condition system?<o:p></o:p></p><p class=MsoNormal>ASHRAE 90.1 appendix G shows 8 types of the different HVAC systems in the table G 3.1.1 B(see the illustration below), but I can’t make the difference between the 8<sup>th</sup> form others.<o:p></o:p></p><p class=MsoNormal>What should I do in the simulation if a HVAC system is “packaged”? And what about the “unpackaged” ?  You can see that this is the only different between item 7 & 8 .<o:p></o:p></p><p class=MsoNormal><img width=768 height=307 id="_x56fe__x7247__x0020_1" src="cid:image003.jpg@01CC786B.80811A00"><o:p></o:p></p><p class=MsoNormal>Anyone who kindly gives tips will be appreciated.<o:p></o:p></p><p class=MsoNormal>Best wishes from Joey in China.<o:p></o:p></p></div></body></html>