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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:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Praveen,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The Treatment of District or Campus Thermal Energy in LEED V2 document has an exception for defining downstream equipment for cases like yours where the LEED project building houses the DES (p. 7 of 29). The chillers and other CHW equipment are considered “downstream equipment” for several of the EA prereqs and credits. The actual project chillers will need to comply with the mandatory measures of ASHRAE 90.1, which includes minimum chiller efficiency per 6.4.1.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Bill<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><img width=486 height=116 id="Picture_x0020_1" src="cid:image001.jpg@01CC81A8.ACAAB820" alt="Senior Energy Engineer"><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><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"'> equest-users-bounces@lists.onebuilding.org [mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Praveen Jain<br><b>Sent:</b> Sunday, October 02, 2011 11:20 AM<br><b>To:</b> equest-users@lists.onebuilding.org<br><b>Subject:</b> [Equest-users] DES Option I related question<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Dear All<br><br><br>In one of my project, chillers are in my project boundary and supplying chilled water outside the project boundary also.<br>Since thermal energy transport across LEED project boundary, have to choose District Energy System option for simulation.<br>I have chosen option I as project would not achieve more than three points, I want to know that<b> is there any minimum efficiency requirement for chillers for this case?</b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>As per option I, only chilled water meter is required and there is no need of modelling actual chillers and also efficiency of chillers will not alter savings in project as uniform rate is used in both base and proposed case.<br><br>-- <br>With Thanks and Regards,<br>Praveen K. Jain<br>Roorkee<o:p></o:p></p></div></body></html>