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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'>Is there any way to find loads based on the setpoint temperature, not on the design temperature?<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'>Or – if I made the design temperature equal to the setpoint temperature, would the loads change correspondingly?<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"'> Brian Gregory [mailto:bgregory@dynamix-ltd.com] <br><b>Sent:</b> Thursday, January 27, 2011 4:59 PM<br><b>To:</b> Morrison, Andrew<br><b>Cc:</b> equest-users@lists.onebuilding.org<br><b>Subject:</b> Re: [Equest-users] HVAC Loads output question<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>It is my understanding that the loads are calculated based on the "Indoor Design Temperature" and not the setpoint temperature. You can generate hourly reports using the "Space" blocks in the hourly report blocks however you would need to make a separate block for each space. <o:p></o:p></p><div><p class=MsoNormal>On Thu, Jan 27, 2011 at 4:47 PM, Morrison, Andrew <<a href="mailto:amorrison@haleyaldrich.com">amorrison@haleyaldrich.com</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'>Brian, </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'>Thanks for that input. I have a follow-up question: I looked at the LS-B report and it has a note that says “The above loads are calculated assuming a constant indoor space temperature.” Is this temperature equal to the setpoint temperature of the space?</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'>Also, is there a counterpart to this report that outputs hourly values?</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'>Thanks</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'>Drew</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p><div style='border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0in 0in 0in;border-color:-moz-use-text-color -moz-use-text-color'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:10.0pt'>From:</span></b><span style='font-size:10.0pt'> Brian Gregory [mailto:<a href="mailto:bgregory@dynamix-ltd.com" target="_blank">bgregory@dynamix-ltd.com</a>] <br><b>Sent:</b> Thursday, January 27, 2011 4:24 PM<br><b>To:</b> Morrison, Andrew<br><b>Cc:</b> <a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a><br><b>Subject:</b> Re: [Equest-users] HVAC Loads output question</span><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'>Drew,<br><br>I typically use the "LS-B Peak Load Components" report from the sim-output file for loads. <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On Thu, Jan 27, 2011 at 1:34 PM, Morrison, Andrew <<a href="mailto:amorrison@haleyaldrich.com" target="_blank">amorrison@haleyaldrich.com</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi,<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I’m modeling a 1940s-era apartment building for a geothermal retrofit. The current heating system consists of hot-water radiators supplied by gas-fired boilers. Cooling is supplied by window air conditioning units in each apartment. The ultimate objective is to generate building space heating and cooling loads to size a heat pump and ground heat exchanger – by space heating and cooling loads, I mean the total heat which has to be added or removed by the HVAC system to maintain all conditioned spaces at their set points.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Currently I’m generating hourly loads from the Building HVAC hourly report block using variables 1 & 2, entitled “Building cool load (coils + losses&gains)” and “Building heat load (coils + losses&gains)”. Are these the right variables to use, or do I need to look somewhere else?<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thanks,<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Drew Morrison<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Engineer<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b>Haley & Aldrich, Inc.</b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>8899 Gander Creek Drive<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Miamisburg, OH 45342-5432<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Office: 937.530.1431<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Cell: 937.307.2223<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a href="http://amorrison@haleyaldrich.com" target="_blank">amorrison@haleyaldrich.com</a><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><br>_______________________________________________<br>Equest-users mailing list<br><a href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org" target="_blank">http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org</a><br>To unsubscribe from this mailing list send a blank message to <a href="mailto:EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG" target="_blank">EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG</a><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><br><br clear=all><br>-- <o:p></o:p></p><p><b><span style='font-size:22.0pt;color:#C00000'>Dynamix</span></b><o:p></o:p></p><p><b><span style='color:black'>Engineering Ltd</span></b><o:p></o:p></p><p><b><span style='font-size:13.0pt;color:black'>Brian Gregory</span></b><o:p></o:p></p><p><b><span style='color:black'>Mechanical Engineer </span></b><o:p></o:p></p><p><span style='font-size:10.0pt;color:black'>855 Grandview Ave., 3rd Floor Columbus, OH 43215 </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:10.0pt;color:#215868'>614-443-1178 ext. 278 </span></b><b><span style='font-size:10.0pt;color:#76923C'><a href="http://www.dynamix-ltd.com/" target="_blank"><span style='color:#76923C'>www.dynamix-ltd.com</span></a></span></b><o:p></o:p></p></div></div></div><p class=MsoNormal><br><br clear=all><br>-- <o:p></o:p></p><p><b><span style='font-size:22.0pt;color:#C00000'>Dynamix</span></b><o:p></o:p></p><p><b><span style='color:black'>Engineering Ltd</span></b><o:p></o:p></p><p><b><span style='font-size:13.0pt;color:black'>Brian Gregory</span></b><o:p></o:p></p><p><b><span style='color:black'>Mechanical Engineer </span></b><o:p></o:p></p><p><span style='font-size:10.0pt;color:black'>855 Grandview Ave., 3rd Floor Columbus, OH 43215 </span><o:p></o:p></p><p class=MsoNormal><b><span style='font-size:10.0pt;color:#215868'>614-443-1178 ext. 278 </span></b><b><span style='font-size:10.0pt;color:#76923C'><a href="http://www.dynamix-ltd.com/" target="_blank"><span style='color:#76923C'>www.dynamix-ltd.com</span></a></span></b><o:p></o:p></p></div></body></html>