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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:"Times New Roman","serif";color:#1F497D'>Hello all,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";color:#1F497D'>I am attempting to model a VRV heat recovery (~120,000 Btuh) system and am running into the road block of performance and capacity curves based on entering WB temp, OA DB temp, and compressor RPM.  I am using a PVVT air source system with a variable speed compressor as a surrogate.  I tried leaving the default curves but ended up getting results which appeared far too small.  Would anyone who has successfully modelled one of these systems be willing to share what they used for curve coefficients or the information I would need to find my own?  <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";color:#1F497D'>Thanks for the help,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";color:#1F497D'>Alex<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";color:navy'>Alexander Mednick</span><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'><br><span style='color:navy'>Associate Energy Engineer<br></span><b><span style='color:blue'>NORESCO</span></b><br><u><span style='color:blue'><a href="mailto:amednick@noresco.com">amednick@noresco.com</a></span></u><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>