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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>I found this thread on the Bldg-sim archive – has anything changed with regard eQuest’s ability to adequately model VRF systems? <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We have a project that was simulated with HAP, and has now changed to VRF. Has anyone successfully simulated VRF in HAP?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#F79646'>Kristin Gustafson</span></b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#F79646'> </span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'>EIT, LEED® GA </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'>Energy Analyst<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'>EYP / energy<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'>Architecture & Engineering<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'>EYP Energy </span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#F79646'>/</span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'> NanoFab East </span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#F79646'>/</span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'> 257 Fuller Rd - 1<sup>st</sup> Floor </span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#F79646'>/</span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'> Albany </span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#F79646'>/</span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'> NY 12203</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'>T 518 438 3720 </span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#F79646'>/</span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'> C 518 527 3673 </span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#F79646'>/</span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'> <a href="http://www.eypae.com"><span style='color:#7F7F7F'>eypae.com</span></a></span><span style='color:#7F7F7F'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#F79646'>/</span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#7F7F7F'> 2010 Best Firm to Work For</span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><h1>[Bldg-sim] VRF System Modeling - eQUEST<o:p></o:p></h1><p class=MsoNormal><b>Carol Gardner</b> <a href="mailto:bldg-sim%40lists.onebuilding.org?Subject=Re%3A%20%5BBldg-sim%5D%20VRF%20System%20Modeling%20-%20eQUEST&In-Reply-To=%3C48A4CF37.6070305%40spiritone.com%3E" title="[Bldg-sim] VRF System Modeling - eQUEST">gems at spiritone.com </a><br><i>Thu Aug 14 17:35:03 PDT 2008</i> <o:p></o:p></p><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo1'>Previous message: <a href="http://lists.onebuilding.org/htdig.cgi/bldg-sim-onebuilding.org/2008-August/007975.html">[Bldg-sim] VRF System Modeling - eQUEST </a><o:p></o:p></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo1'>Next message: <a href="http://lists.onebuilding.org/htdig.cgi/bldg-sim-onebuilding.org/2008-August/007979.html">[Bldg-sim] VRF System Modeling - eQUEST </a><o:p></o:p></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo1'><b>Messages sorted by:</b> <a href="http://lists.onebuilding.org/htdig.cgi/bldg-sim-onebuilding.org/2008-August/date.html#7978">[ date ]</a> <a href="http://lists.onebuilding.org/htdig.cgi/bldg-sim-onebuilding.org/2008-August/thread.html#7978">[ thread ]</a> <a href="http://lists.onebuilding.org/htdig.cgi/bldg-sim-onebuilding.org/2008-August/subject.html#7978">[ subject ]</a> <a href="http://lists.onebuilding.org/htdig.cgi/bldg-sim-onebuilding.org/2008-August/author.html#7978">[ author ]</a> <o:p></o:p></li></ul><div class=MsoNormal align=center style='text-align:center'><hr size=2 width="100%" align=center></div><pre>All,<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>Steve Gates is working with Daiken to develop the algorithms and data <o:p></o:p></pre><pre>necessary to be able to model VRFs in eQUEST. He is also developing a <o:p></o:p></pre><pre>new eQUEST platform simultaneously and more slowly called the Design Day <o:p></o:p></pre><pre>platform which will solve many of the perceived "problems" with eQUEST <o:p></o:p></pre><pre>subroutines. I do not know when the DD platform will be available but I <o:p></o:p></pre><pre>don't think it will slow him up with respect to developing the VRF <o:p></o:p></pre><pre>algorithms. They will be added to the existing eQUEST platform. These <o:p></o:p></pre><pre>algorithms will be available some time early to mid next year.<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>The EnergyPro algorithms are based on MSA data and were developed by <o:p></o:p></pre><pre>Tianzen Hong for Martin Dodd. I do not know if there is enough of a <o:p></o:p></pre><pre>difference between MSA VRFs and Daiken VRFs operation/data that would <o:p></o:p></pre><pre>make the EnergyPro tool inappropriate for use in analyzing the Daiken <o:p></o:p></pre><pre>VRFs. Someone else could answer this question. Maybe the Daiken rep <o:p></o:p></pre><pre>quoted here knows enough about it and using EnergyPro is quite appropriate.<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>Regards,<o:p></o:p></pre><pre>Carol Gardner<o:p></o:p></pre><pre><o:p> </o:p></pre><pre><o:p> </o:p></pre><pre><o:p> </o:p></pre><pre>Dan Russell wrote:<o:p></o:p></pre><pre>><i> Michael, <o:p></o:p></i></pre><pre>><i><o:p> </o:p></i></pre><pre>><i> I don't have any experience with this yet, but recognizing that it will<o:p></o:p></i></pre><pre>><i> be necessary for myself in the near future as it is for some, like<o:p></o:p></i></pre><pre>><i> yourself, already I went ahead and asked our local Daikin Rep about<o:p></o:p></i></pre><pre>><i> getting VRF routines incorporated into eQuest. The following is a<o:p></o:p></i></pre><pre>><i> response given today by the Daikin engineering department:<o:p></o:p></i></pre><pre>><i><o:p> </o:p></i></pre><pre>><i> |...EnergyPro is basically done. The VRVIII units have been added and<o:p></o:p></i></pre><pre>><i> DOE |testing has been performed to verify the results. Martyn Dodd will<o:p></o:p></i></pre><pre>><i> be at |Sawgrass to bring us all up to speed.<o:p></o:p></i></pre><pre>><i> |<o:p></o:p></i></pre><pre>><i> |eQuest as well EnergyPlus are next to tackle and we have already made<o:p></o:p></i></pre><pre>><i> |contact and started working with the software developers. The time<o:p></o:p></i></pre><pre>><i> frame |is middle to end of 2009 for both software packages. eQuest is<o:p></o:p></i></pre><pre>><i> more of a |wildcard because there are some major software changes<o:p></o:p></i></pre><pre>><i> happening on that |platform because of something called the "Design<o:p></o:p></i></pre><pre>><i> Sizing" project which is |very delayed and could end up hurting our<o:p></o:p></i></pre><pre>><i> timeline. I have found in past |that these timelines typically slip so<o:p></o:p></i></pre><pre>><i> please be wary about making any |concrete promises but you have my<o:p></o:p></i></pre><pre>><i> assurance that it is being worked on and |we will eventually (i.e.<o:p></o:p></i></pre><pre>><i> anywhere from 12 months to 30 months) have this |done.<o:p></o:p></i></pre><pre>><i> |<o:p></o:p></i></pre><pre>><i> |If this is a project with immediate LEED implications, I would explore<o:p></o:p></i></pre><pre>><i> |EnergyPro. There is a Daikin specific site on EnergyPro's domain now.<o:p></o:p></i></pre><pre>><i> |www.daikin.energysoft.com<o:p></o:p></i></pre><pre>><i> |<o:p></o:p></i></pre><pre>><i> |Sincerely,<o:p></o:p></i></pre><pre>><i> |Sherwin Khayatian<o:p></o:p></i></pre><pre>><i> |Manager, Western Region<o:p></o:p></i></pre><pre>><i> |Daikin AC (Americas), Inc.<o:p></o:p></i></pre><pre>><i> |Tel: 415-686-3165<o:p></o:p></i></pre><pre>><i> |www.daikinac.com<o:p></o:p></i></pre><pre>><i><o:p> </o:p></i></pre><pre>><i> So, at least from the Daikin side it seems that the only sure way to go<o:p></o:p></i></pre><pre>><i> at this time is with EnergyPro. I don't know of a responsive local<o:p></o:p></i></pre><pre>><i> Mitsubishi Rep in my area, but maybe someone out there can ask similar<o:p></o:p></i></pre><pre>><i> question to Mitsubishi regarding their involvement with supporting an<o:p></o:p></i></pre><pre>><i> eQuest-compatible VRF routine.<o:p></o:p></i></pre><pre>><i><o:p> </o:p></i></pre><pre>><i> Thanks,<o:p></o:p></i></pre><pre>><i><o:p> </o:p></i></pre><pre>><i> Dan Russell, EIT <o:p></o:p></i></pre><pre>><i><o:p> </o:p></i></pre><pre>><i><o:p> </o:p></i></pre><pre>><i><o:p> </o:p></i></pre><pre>><i><o:p> </o:p></i></pre><pre>><i> -----Original Message-----<o:p></o:p></i></pre><pre>><i> From: <a href="http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org">bldg-sim-bounces at lists.onebuilding.org</a><o:p></o:p></i></pre><pre>><i> [mailto:<a href="http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org">bldg-sim-bounces at lists.onebuilding.org</a>] On Behalf Of Michael<o:p></o:p></i></pre><pre>><i> Bejrowski<o:p></o:p></i></pre><pre>><i> Sent: Thursday, July 24, 2008 1:07 PM<o:p></o:p></i></pre><pre>><i> To: <a href="http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org">Bldg-sim at lists.onebuilding.org</a><o:p></o:p></i></pre><pre>><i> Subject: [Bldg-sim] VRF System Modeling - eQUEST<o:p></o:p></i></pre><pre>><i><o:p> </o:p></i></pre><pre>><i> Does anyone know about or have any experience modeling VRF systems in<o:p></o:p></i></pre><pre>><i> eQUEST? Can it be done? <o:p></o:p></i></pre><pre>><i><o:p> </o:p></i></pre><pre>><i> Does anyone know about the capability of other software packages to<o:p></o:p></i></pre><pre>><i> model VRF systems? Are any of them better than others?<o:p></o:p></i></pre><pre>><i><o:p> </o:p></i></pre><pre>><i><o:p> </o:p></i></pre><pre>><i> Thanks,<o:p></o:p></i></pre><pre>><i><o:p> </o:p></i></pre><pre>><i> Michael Bejrowski<o:p></o:p></i></pre><pre>><i> Mechanical EIT - Austin, TX<o:p></o:p></i></pre><pre>><i><o:p> </o:p></i></pre><pre>><i> _______________________________________________<o:p></o:p></i></pre><pre>><i> Bldg-sim mailing list<o:p></o:p></i></pre><pre>><i> <a href="http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org">http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org</a><o:p></o:p></i></pre><pre>><i> To unsubscribe from this mailing list send a blank message to<o:p></o:p></i></pre><pre>><i> <a href="http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org">BLDG-SIM-UNSUBSCRIBE at ONEBUILDING.ORG</a><o:p></o:p></i></pre><pre>><i> _______________________________________________<o:p></o:p></i></pre><pre>><i> Bldg-sim mailing list<o:p></o:p></i></pre><pre>><i> <a href="http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org">http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org</a><o:p></o:p></i></pre><pre>><i> To unsubscribe from this mailing list send a blank message to <a href="http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org">BLDG-SIM-UNSUBSCRIBE at ONEBUILDING.ORG</a><o:p></o:p></i></pre><pre>><i><o:p> </o:p></i></pre><pre>><i><o:p> </o:p></i></pre><pre>><i> <o:p></o:p></i></pre><pre><o:p> </o:p></pre><pre><o:p> </o:p></pre><pre><o:p> </o:p></pre><div class=MsoNormal align=center style='text-align:center'><hr size=2 width="100%" align=center></div><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo2'>Previous message: <a href="http://lists.onebuilding.org/htdig.cgi/bldg-sim-onebuilding.org/2008-August/007975.html">[Bldg-sim] VRF System Modeling - eQUEST </a><o:p></o:p></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo2'>Next message: <a href="http://lists.onebuilding.org/htdig.cgi/bldg-sim-onebuilding.org/2008-August/007979.html">[Bldg-sim] VRF System Modeling - eQUEST </a><o:p></o:p></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo2'><b>Messages sorted by:</b> <a href="http://lists.onebuilding.org/htdig.cgi/bldg-sim-onebuilding.org/2008-August/date.html#7978">[ date ]</a> <a href="http://lists.onebuilding.org/htdig.cgi/bldg-sim-onebuilding.org/2008-August/thread.html#7978">[ thread ]</a> <a href="http://lists.onebuilding.org/htdig.cgi/bldg-sim-onebuilding.org/2008-August/subject.html#7978">[ subject ]</a> <a href="http://lists.onebuilding.org/htdig.cgi/bldg-sim-onebuilding.org/2008-August/author.html#7978">[ author ]</a> <o:p></o:p></li></ul></span><div class=MsoNormal align=center style='text-align:center'><hr size=2 width="100%" align=center></div><p class=MsoNormal><a href="http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org">More information about the Bldg-sim mailing list</a><br><br><o:p></o:p></p></div></body></html>