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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='color:#1F497D'>How do I model (for LEED) the fan power of the proposed design of a building that has 3 large air handlers (145,000 cfm each) all looping together? Do I put the combined HP of (180*3=540) 540 HP?<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#1F497D'>-Jason<o:p></o:p></span></p></div><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"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> trace-users-bounces@lists.onebuilding.org [mailto:trace-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Hintz, Scott Fredrick. (KSC-ISC-4011)[URS Federal Technical Services, Inc.]<br><b>Sent:</b> Tuesday, November 01, 2011 5:54 AM<br><b>To:</b> trace-users@lists.onebuilding.org<br><b>Subject:</b> Re: [Trace-users] Max Room dry bulb to high<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoPlainText>Leandro,<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Also make sure your internal loads are <u>not</u> using the "Cooling Only - Design" schedule as this will result in people, lights, and misc loads being in spaces 24 hours a day, 7 days a week. Combine this with systems and ventilation you may schedule off at night and you may see space temperatures rise.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Scott<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>-----Original Message-----<br>From: Bob Vogt [mailto:BVogt@luckett-farley.com] <br>Sent: Monday, October 31, 2011 7:39 AM<br>To: trace-users@lists.onebuilding.org<br>Subject: Re: [Trace-users] Max Room dry bulb to high<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Leandro,<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>The problem could be the system type. If you are using a single zone (SZ) type system, Trace will use the heating supply air dry bulb from the worst case room. You can identify the room by temporarily changing the system to terminal reheat (TRH)and find the room with the high supply air temperature. Sometimes it could be janitor closet or other space with low cooling air flow but higher heating loads. Increase air flow or review the results to adjust your heating supply air temperature.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Bob<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>-----Original Message-----<o:p></o:p></p><p class=MsoPlainText>From: trace-users-bounces@lists.onebuilding.org [mailto:trace-users-bounces@lists.onebuilding.org] On Behalf Of trace-users-request@lists.onebuilding.org<o:p></o:p></p><p class=MsoPlainText>Sent: Friday, October 28, 2011 4:39 PM<o:p></o:p></p><p class=MsoPlainText>To: trace-users@lists.onebuilding.org<o:p></o:p></p><p class=MsoPlainText>Subject: Trace-users Digest, Vol 37, Issue 2<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Send Trace-users mailing list submissions to<o:p></o:p></p><p class=MsoPlainText> <a href="mailto:trace-users@lists.onebuilding.org">trace-users@lists.onebuilding.org</a><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>To subscribe or unsubscribe via the World Wide Web, visit<o:p></o:p></p><p class=MsoPlainText> <a href="http://lists.onebuilding.org/listinfo.cgi/trace-users-onebuilding.org">http://lists.onebuilding.org/listinfo.cgi/trace-users-onebuilding.org</a><o:p></o:p></p><p class=MsoPlainText>or, via email, send a message with subject or body 'help' to<o:p></o:p></p><p class=MsoPlainText> <a href="mailto:trace-users-request@lists.onebuilding.org">trace-users-request@lists.onebuilding.org</a><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>You can reach the person managing the list at<o:p></o:p></p><p class=MsoPlainText> <a href="mailto:trace-users-owner@lists.onebuilding.org">trace-users-owner@lists.onebuilding.org</a><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>When replying, please edit your Subject line so it is more specific than "Re: Contents of Trace-users digest..."<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Today's Topics:<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText> 1. Max Room dry bulb to high (Leandro Lopes)<o:p></o:p></p><p class=MsoPlainText> 2. Re: Max Room dry bulb to high (Scott Parker)<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>----------------------------------------------------------------------<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Message: 1<o:p></o:p></p><p class=MsoPlainText>Date: Fri, 28 Oct 2011 08:50:05 +0100<o:p></o:p></p><p class=MsoPlainText>From: Leandro Lopes <o.leandro.lopes@gmail.com><o:p></o:p></p><p class=MsoPlainText>To: trace-users@lists.onebuilding.org<o:p></o:p></p><p class=MsoPlainText>Subject: [Trace-users] Max Room dry bulb to high<o:p></o:p></p><p class=MsoPlainText>Message-ID:<o:p></o:p></p><p class=MsoPlainText> <CADyL48ZLo7xJU+9Up9H-wcKi+3KcTRn3Puwu0zEqoM8PyPuwtw@mail.gmail.com><o:p></o:p></p><p class=MsoPlainText>Content-Type: text/plain; charset="windows-1252"<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Hello,<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>I'm having trouble understanding why my temperatures in winter are so high.What happens, is that they start at 20?C and go up to 55 ?C ( It?s crazy).<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>My system consists in heating during winter months (no cooling available), and cooling in summer period.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Can someone help me, how can i control my temperature to 20?C in Winter period.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Could this happen because of the internal loads...<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Best regards,<o:p></o:p></p><p class=MsoPlainText>-- <o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Atenciosamente:<o:p></o:p></p><p class=MsoPlainText>Eng?: Leandro Lopes<o:p></o:p></p><p class=MsoPlainText>*Tel: **965771706*<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>N?o imprima este e-mail. A natureza agradece ;-) <<a href="http://infomancie.wordpress.com/2008/06/02/please-dont-print-this-e-mail-unless-you-really-need-to/">http://infomancie.wordpress.com/2008/06/02/please-dont-print-this-e-mail-unless-you-really-need-to/</a>><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Please don?t print this e-mail unless you really need to!<<a href="http://infomancie.wordpress.com/2008/06/02/please-dont-print-this-e-mail-unless-you-really-need-to/">http://infomancie.wordpress.com/2008/06/02/please-dont-print-this-e-mail-unless-you-really-need-to/</a>><o:p></o:p></p><p class=MsoPlainText>-------------- next part --------------<o:p></o:p></p><p class=MsoPlainText>An HTML attachment was scrubbed...<o:p></o:p></p><p class=MsoPlainText>URL: <<a href="http://lists.onebuilding.org/pipermail/trace-users-onebuilding.org/attachments/20111028/854d561b/attachment.html">http://lists.onebuilding.org/pipermail/trace-users-onebuilding.org/attachments/20111028/854d561b/attachment.html</a>><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>------------------------------<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Message: 2<o:p></o:p></p><p class=MsoPlainText>Date: Fri, 28 Oct 2011 07:51:23 -0500<o:p></o:p></p><p class=MsoPlainText>From: Scott Parker <sparker@aeieng.com><o:p></o:p></p><p class=MsoPlainText>To: Leandro Lopes <o.leandro.lopes@gmail.com>,<o:p></o:p></p><p class=MsoPlainText> "trace-users@lists.onebuilding.org"<o:p></o:p></p><p class=MsoPlainText> <trace-users@lists.onebuilding.org><o:p></o:p></p><p class=MsoPlainText>Subject: Re: [Trace-users] Max Room dry bulb to high<o:p></o:p></p><p class=MsoPlainText>Message-ID:<o:p></o:p></p><p class=MsoPlainText> <23DA30AA4022B04FB78CB655A32EF12C09ADFC78@aei-exswing.aeieng.lan><o:p></o:p></p><p class=MsoPlainText>Content-Type: text/plain; charset="iso-8859-1"<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Leandro,<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Not sure the problem, but since you alluded to high internal load I would check the following:<o:p></o:p></p><p class=MsoPlainText>1. Do you have correct units for internal load (e.g. W/sq meter versus W)?<o:p></o:p></p><p class=MsoPlainText>2. Are you using a thermostat schedule that may have a mistake in it?<o:p></o:p></p><p class=MsoPlainText>3. Have you set the airflow to the space rather than allowing TRACE to calculate it?<o:p></o:p></p><p class=MsoPlainText>4. Have you scheduled the cooling coil off during winter?<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Regards,<o:p></o:p></p><p class=MsoPlainText>Scott<o:p></o:p></p><p class=MsoPlainText>From: trace-users-bounces@lists.onebuilding.org [mailto:trace-users-bounces@lists.onebuilding.org] On Behalf Of Leandro Lopes<o:p></o:p></p><p class=MsoPlainText>Sent: Friday, October 28, 2011 3:50 AM<o:p></o:p></p><p class=MsoPlainText>To: trace-users@lists.onebuilding.org<o:p></o:p></p><p class=MsoPlainText>Subject: [Trace-users] Max Room dry bulb to high<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Hello,<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>I'm having trouble understanding why my temperatures in winter are so high.What happens, is that they start at 20?C and go up to 55 ?C ( It?s crazy).<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>My system consists in heating during winter months (no cooling available), and cooling in summer period.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Can someone help me, how can i control my temperature to 20?C in Winter period.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Could this happen because of the internal loads...<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Best regards,<o:p></o:p></p><p class=MsoPlainText>--<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Atenciosamente:<o:p></o:p></p><p class=MsoPlainText>Eng?: Leandro Lopes<o:p></o:p></p><p class=MsoPlainText>Tel: 965771706<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>N?o imprima este e-mail. A natureza agradece ;-) <<a href="http://infomancie.wordpress.com/2008/06/02/please-dont-print-this-e-mail-unless-you-really-need-to/">http://infomancie.wordpress.com/2008/06/02/please-dont-print-this-e-mail-unless-you-really-need-to/</a>><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Please don't print this e-mail unless you really need to!<<a href="http://infomancie.wordpress.com/2008/06/02/please-dont-print-this-e-mail-unless-you-really-need-to/">http://infomancie.wordpress.com/2008/06/02/please-dont-print-this-e-mail-unless-you-really-need-to/</a>><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>-------------- next part --------------<o:p></o:p></p><p class=MsoPlainText>An HTML attachment was scrubbed...<o:p></o:p></p><p class=MsoPlainText>URL: <<a href="http://lists.onebuilding.org/pipermail/trace-users-onebuilding.org/attachments/20111028/da54d70e/attachment-0001.htm">http://lists.onebuilding.org/pipermail/trace-users-onebuilding.org/attachments/20111028/da54d70e/attachment-0001.htm</a>><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>------------------------------<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>_______________________________________________<o:p></o:p></p><p class=MsoPlainText>Trace-users mailing list<o:p></o:p></p><p class=MsoPlainText><a href="mailto:Trace-users@lists.onebuilding.org">Trace-users@lists.onebuilding.org</a><o:p></o:p></p><p class=MsoPlainText><a href="http://lists.onebuilding.org/listinfo.cgi/trace-users-onebuilding.org">http://lists.onebuilding.org/listinfo.cgi/trace-users-onebuilding.org</a><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>End of Trace-users Digest, Vol 37, Issue 2<o:p></o:p></p><p class=MsoPlainText>******************************************<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p></div></body></html>