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<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">I noticed you didn’t mention where this project is at. I would imagine that the designer knows that the evaporative coolers are really most effective in
dry climates. If it is in a humid climate, the improved EER of the evaporative cooler may make no difference. Just a thought!<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";
color:black"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";
color:black">Jeff Seger
</span></b><b><span style="font-size:9.0pt;font-family:
"Calibri","sans-serif";color:#4A9054;letter-spacing:1.2pt">EI</span></b><b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#006086"><o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";
color:black">M.E. GROUP
</span></b><b><span style="font-size:8.0pt;font-family:
"Calibri","sans-serif";color:black">/</span></b><b><span style="font-size:10.0pt;
font-family:"Calibri","sans-serif";color:black">
</span></b><b><span style="font-size:9.0pt;font-family:"Century Gothic","sans-serif";color:#006086;
letter-spacing:1.2pt">design</span></b><b><i><span style="font-size:9.0pt;
font-family:"Century Gothic","sans-serif";color:#1F497D;letter-spacing:-1.4pt">
</span></i></b><b><span style="font-size:6.5pt;font-family:"Century Gothic","sans-serif";
color:black;letter-spacing:-1.4pt">+</span></b><b><i><span style="font-size:
6.5pt;font-family:"Century Gothic","sans-serif";color:#1F497D;letter-spacing:
1.2pt">
</span></i></b><b><span style="font-size:9.0pt;font-family:"Century Gothic","sans-serif";
color:#4A9054;letter-spacing:1.2pt">green</span></b><b><span style="font-size:
10.0pt;font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";
color:black">t: 816.531.2121 x3123<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";
color:black">c: 314.623.5170<o:p></o:p></span></p>
<p class="MsoNormal"><a href="http://www.megroup.com/"><span style="font-size:
10.0pt;font-family:"Calibri","sans-serif";color:#1F497D;text-decoration:none"><img border="0" width="175" height="54" id="Picture_x0020_1" src="cid:image001.jpg@01CB54B5.3647A5B0" alt="LOGO_COMBINEDb"></span></a><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
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<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""> Guoguang Le [mailto:jamesle_tx@yahoo.com]
<br>
<b>Sent:</b> Tuesday, September 14, 2010 7:41 PM<br>
<b>To:</b> Carol Gardner<br>
<b>Cc:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] Question on eQuest Modeling DX Cooling, with Bug?<o:p></o:p></span></p>
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<p class="MsoNormal"><br>
Carol, I attched files for your review. If it is true, then eQuest has some bugs.<o:p></o:p></p>
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<p class="MsoNormal">Thanks for your time.<o:p></o:p></p>
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<p class="MsoNormal">Best regards,<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">James<br>
--- On <b>Mon, 9/13/10, Guoguang Le <i><jamesle_tx@yahoo.com></i></b> wrote:<o:p></o:p></p>
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From: Guoguang Le <jamesle_tx@yahoo.com><br>
Subject: Re: [Equest-users] Question on eQuest Modeling DX Cooling, with Bug?<br>
To: "Carol Gardner" <cmg750@gmail.com><br>
Cc: equest-users@lists.onebuilding.org<br>
Date: Monday, September 13, 2010, 7:35 PM<o:p></o:p></p>
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<p class="MsoNormal">Hi Carol,<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">I have attached two inp files, one for Air cooled condenser model with EER 9.9 and another one for Evap Cooled condenser with EER 11.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">I created these files with eQuest Wizard mode. If you move forward to detailed mode, you will find "Cooling Electric Input Ratio" is 0.2911 btu/btu in EER 9.9 model and 0.2580 btu/btu in EER 11 model.
<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">If you run simulation, the result for EER 9.9 air cooled model is $242,752 and for evap Cooled model is $243,127. (I did not change the data on "Cooling Electric Input Ratio".)<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">If I change the data in the field of "Cooling Electric Input Ratio" as 0.3444 for EER 9.9 air cooled model and 0.3100 for EER 11 evap cooled model. The result is $245,342 for EER 11 Evap cooled model and $244,726 for EER 9.9 Air Cooled
model.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">The conclusion is EER 11 evap cooled model is worse than EER 9.9 air cooled model.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Can you help figure it out?<o:p></o:p></p>
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<p class="MsoNormal">Best regards,<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">James<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">I believe that there are many Guru in the web. Thanks for your time!<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><br>
--- On <b>Sun, 9/12/10, Carol Gardner <i><cmg750@gmail.com></i></b> wrote:<o:p></o:p></p>
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From: Carol Gardner <cmg750@gmail.com><br>
Subject: Re: [Equest-users] Question on eQuest Modeling DX Cooling, with Bug?<br>
To: "Guoguang Le" <jamesle_tx@yahoo.com><br>
Cc: equest-users@lists.onebuilding.org<br>
Date: Sunday, September 12, 2010, 9:11 PM<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Not likely. Send a copy of your .inp and .pd2 files for help.<br>
<br>
Carol<o:p></o:p></p>
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<p class="MsoNormal">On Sun, Sep 12, 2010 at 6:10 PM, Guoguang Le <<a href="http://us.mc501.mail.yahoo.com/mc/compose?to=jamesle_tx@yahoo.com" target="_blank">jamesle_tx@yahoo.com</a>> wrote:<o:p></o:p></p>
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To all,<o:p></o:p></p>
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<p class="MsoNormal">I have two energy models on DX cooling for a same building, one is with air cooled and another with evaporation cooling. The EER is 9.9 for air cooled condenser and 11 for evaporation cooled condenser. The final result I got is that it
is the low cost to run air cooled condenser DX with EER 9.9 than evaporation cooled condenser DX with EER 11. I am wondering whether eQuest has bug or not. Anyone could figure it out?<o:p></o:p></p>
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<p class="MsoNormal">Best regards,<o:p></o:p></p>
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<p class="MsoNormal">James<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><br>
--- On <b>Sun, 9/12/10, <a href="http://us.mc501.mail.yahoo.com/mc/compose?to=equest-users-request@lists.onebuilding.org" target="_blank">
equest-users-request@lists.onebuilding.org</a> <i><<a href="http://us.mc501.mail.yahoo.com/mc/compose?to=equest-users-request@lists.onebuilding.org" target="_blank">equest-users-request@lists.onebuilding.org</a>></i></b> wrote:<o:p></o:p></p>
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From: <a href="http://us.mc501.mail.yahoo.com/mc/compose?to=equest-users-request@lists.onebuilding.org" target="_blank">
equest-users-request@lists.onebuilding.org</a> <<a href="http://us.mc501.mail.yahoo.com/mc/compose?to=equest-users-request@lists.onebuilding.org" target="_blank">equest-users-request@lists.onebuilding.org</a>><br>
Subject: Equest-users Digest, Vol 30, Issue 19<br>
To: <a href="http://us.mc501.mail.yahoo.com/mc/compose?to=equest-users@lists.onebuilding.org" target="_blank">
equest-users@lists.onebuilding.org</a><br>
Date: Sunday, September 12, 2010, 2:03 PM<o:p></o:p></p>
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<p class="MsoNormal">Today's Topics:<br>
<br>
1. Re: eQUEST 3.64 - Modeling Procedures Quick Reference Guide<br>
(Chris Jones)<br>
2. Re: eQUEST 3.64 - Modeling Procedures Quick Reference Guide<br>
(Brian Fountain)<o:p></o:p></p>
</div>
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<p class="MsoNormal"><br>
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<br>
-- <br>
Carol Gardner PE<o:p></o:p></p>
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