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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>So if I have a building cooling load in the winter, but no HVAC cooling load, the ventilation and economizer are probably handling the load, and that’s why there is no HVAC load (or coil load essentially)?<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>In other words, the hourly HVAC blocks are more specific to mechanical heating and cooling, and not necessarily load removed via the whole system operation.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><table class=MsoNormalTable border=0 cellpadding=0 width=184 style='width:138.25pt'><tr><td width=169 valign=top style='width:126.9pt;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:10.0pt;color:#660000;text-transform:uppercase'>Lyle Keck</span></b><b><span style='font-size:9.0pt;color:#333333'> </span></b><span style='font-size:9.0pt;color:#333333'><br></span><span style='font-size:10.0pt;color:#333333;text-transform:uppercase'>SustainablE Systems Analyst</span><span style='font-size:9.0pt;color:#333333'><o:p></o:p></span></p></td><td width=9 valign=top style='width:6.85pt;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:9.0pt;color:#333333'> <o:p></o:p></span></p></td></tr></table><p class=MsoNormal><span style='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='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='color:#1F497D'><o:p> </o:p></span></p><div><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";color:windowtext'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> Brian Fountain [mailto:bfountain@greensim.com] <br><b>Sent:</b> Friday, July 22, 2011 11:31 AM<br><b>To:</b> Lyle Keck<br><b>Subject:</b> Re: [Equest-users] BLDG-HVAC vs. BLDG-LOADS<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Loads are run first and take envelope and internal gains into effect (see LS-C for the complete list). System (HVAC) runs next and adds outdoor air for ventilation which as you described has a significant impact on the building energy use.<br><br>On 7/22/2011 2:20 PM, Lyle Keck wrote: <o:p></o:p></p><p class=MsoNormal>Can anyone speak to the different hourly load outputs for variable type Building-HVAC vs. variable type Building-LOADS?<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>When I pull the hourly block results out for both, I find the ‘building heat load (sensible)’ and ‘building heat load (latent)’ from the Building-LOADS report to be very different from the ‘building heat load (coils+losses&gains)’ from the Building-HVAC. The same is true for the cooling loads.<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>There are also a significant amount of hours where one report will say ‘0’ cool or heat load, and the other report will have a load value. <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>I am trying to create a HVAC load profile, so I am assuming using the Building-HVAC load outputs would be more appropriate. <o:p></o:p></p><p class=MsoNormal>I would like to know why the values are different though, are there additional variables that the HVAC subprogram does not take into account?<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Thanks in advance! <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><table class=MsoNormalTable border=0 cellpadding=0 width=184 style='width:138.25pt'><tr><td width=169 valign=top style='width:126.9pt;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:10.0pt;color:#660000;text-transform:uppercase'>Lyle Keck</span></b><b><span style='font-size:9.0pt;color:#333333'> </span></b><span style='font-size:9.0pt;color:#333333'><br></span><span style='font-size:10.0pt;color:#333333;text-transform:uppercase'>SustainablE Systems Analyst</span><o:p></o:p></p></td><td width=9 valign=top style='width:6.85pt;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:9.0pt;color:#333333'> </span><o:p></o:p></p></td></tr></table><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><br><br><br><o:p></o:p></span></p><pre>_______________________________________________<o:p></o:p></pre><pre>Equest-users mailing list<o:p></o:p></pre><pre><a href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org">http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org</a><o:p></o:p></pre><pre>To unsubscribe from this mailing list send a blank message to <a href="mailto:EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG">EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG</a><o:p></o:p></pre><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><br><br><br><o:p></o:p></span></p><p class=avgcert>No virus found in this message.<br>Checked by AVG - <a href="http://www.avg.com">www.avg.com</a><br>Version: 10.0.1390 / Virus Database: 1518/3781 - Release Date: 07/22/11<o:p></o:p></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p></div></body></html>