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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'>James -<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'>I’ve had some luck getting around this one by applying reset schedules to the chilled water loop supply temperature so the “Design CHW Temp” defined on the “Basic Specifications” tab meets the 6 degree difference requirement, and then on the “Controls” tab set up a reset schedule that will reset the temperature of the chilled water loop to what you actually want the system running at.<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'>Cheers<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Chris<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><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Chris Lowen</span></b><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Energy Analyst<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>LEED AP BD+C                                    </span><span style='color:#1F497D'><br><br></span><a href="http://www.glumac.com/"><span style='text-decoration:none'><img border=0 width=343 height=41 id="Picture_x0020_1" src="cid:image001.gif@01CCBB3A.9CB2E9D0" alt="http://www.glumac.com/glumacsig.gif"></span></a><span style='color:#1F497D'><o:p></o:p></span></p><div><div><div><div><div><div><div><div><div><div><div><div class=MsoNormal><span style='color:#1F497D'><hr size=2 width=330 style='width:247.5pt' noshade style='color:#9ACB33' align=left></span></div></div></div></div></div></div></div></div></div></div></div></div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'><img border=0 width=49 height=45 id="Picture_x0020_3" src="cid:image002.jpg@01CCBB3A.9CB2E9D0" alt="40 yr color small"></span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'>1325 - 4th Avenue, Suite 1515</span><span style='color:#1F497D'><br></span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Seattle, WA 98101</span><span style='color:#1F497D'><br></span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'>T.  206.262.1010  F. 206.262.9865<br><br></span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Thinking. Inside the building.<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><a href="http://twitter.com/GlumacEngineers" target="_blank"><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";text-decoration:none'><img border=0 width=22 height=22 id="Picture_x0020_4" src="cid:image003.png@01CCBB3A.9CB2E9D0" alt="Description: Follow Degenkolb Engineers on Twitter"></span></a><a href="http://www.linkedin.com/company/34034?trk=tyah" target="_blank"><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";text-decoration:none'><img border=0 width=22 height=22 id="Picture_x0020_5" src="cid:image004.gif@01CCBB3A.9CB2E9D0" alt="Description: Follow Degenkolb Engineers on LinkedIn"></span></a><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";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"'> equest-users-bounces@lists.onebuilding.org [mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>James Hansen<br><b>Sent:</b> Thursday, December 15, 2011 2:43 PM<br><b>To:</b> thomasv@iit.edu; Robby Oylear<br><b>Cc:</b> equest-users@lists.onebuilding.org<br><b>Subject:</b> Re: [Equest-users] CHW error message<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Does anyone know if there is a way to bypass or ignore this error?  I've worked on a few projects recently where we've been able to get close to a 46 degree LAT from an AHU with 42 degree water.  Not a big deal I guess, but it would be nice to be able to be only 4 degrees above CHW temp.<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><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Arial","sans-serif";color:teal'>GHT Limited<br></span></b><b><span style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>James Hansen, P.E., LEED AP</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><br>Senior Associate<br>1010 N. Glebe Road, Suite 200<br>Arlington, VA  22201-4749<br>703-243-1200 (office)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>703-338-5754 (cell)<br>703-276-1376 (fax)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><a href="http://www.ghtltd.com/" title="http://www.ghtltd.com/">www.ghtltd.com</a></span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";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"'> equest-users-bounces@lists.onebuilding.org [mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Varkie C Thomas<br><b>Sent:</b> Thursday, December 15, 2011 5:44 PM<br><b>To:</b> Robby Oylear<br><b>Cc:</b> equest-users@lists.onebuilding.org<br><b>Subject:</b> Re: [Equest-users] CHW error message<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>Robby: This project is being done by an architect who used DD.  I looked for the error in CHW plant and forgot to look at HVAC supply temps.  I was mistaken, the Detailed Edit does allow you to set CHWS temp but not SD and DD.  Varkie<o:p></o:p></p><p class=MsoNormal><b>----- Original Message -----</b> <o:p></o:p></p><p class=MsoNormal><b>From</b>: Robby Oylear <<a href="mailto:robbyoylear@gmail.com">robbyoylear@gmail.com</a>> <o:p></o:p></p><p class=MsoNormal><b>Date</b>: Thursday, December 15, 2011 4:29 pm <o:p></o:p></p><p class=MsoNormal><b>Subject</b>: Re: RE: [Equest-users] CHW error message <o:p></o:p></p><p class=MsoNormal>> Whoops, here's the image I meant to send with the detailed edit <br>> screen:[image: image.png] <br>> <br>> On Thu, Dec 15, 2011 at 2:29 PM, Robby Oylear <br>> <<a href="mailto:robbyoylear@gmail.com">robbyoylear@gmail.com</a>> wrote: <br>> <br>> > Varkie, <br>> > <br>> > On wizard screen 3 of 3 under "CHW Plant Equipment" the setpoint is <br>> > defined.  The default is 44 deg F. <br>> > <br>> > [image: image.png] <br>> > <br>> > In detailed edit mode this setpoint can be seen on the <br>> "Circulation Loop <br>> > Properties" screen: <br>> > [image: image.png] <br>> > <br>> > On Thu, Dec 15, 2011 at 2:22 PM, Varkie C Thomas <br>> <<a href="mailto:thomasv@iit.edu">thomasv@iit.edu</a>> wrote: <br>> > <br>> >> Kelsey, Robby, <br>> >> <br>> >> Thanks.  The supply air temp was too low.  What CHWS temp does <br>> eQUEST>> assume?  This should be an input value too, besides temp <br>> rise.>> <br>> >> Varkie <br>> >> ** <o:p></o:p></p></div></body></html>