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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Rob,<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'>A DOAS won’t necessarily solve your problem because, while an
ERV can be specified, it will only see the return air of its dummy zone. You
want to assign the ERV directly to the “real” zones’ parent systems so that the
correct return air is simulated. <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'>You may want to try system types “multi-zone” or “variable air
volume” and see which one you can tweak to match the fan coils. You can assign
one zone per system and get past the multi-zone part, and you can adjust your
minimum flow ratio if the fan coils are constant volume. The biggest problem I
see is making sure you’re not cooling and reheating; VAV won’t allow you to
disable zone hot water coils. If the fan coils are variable temp, maybe see if
you can give yourself a wide berth on the cold deck leaving temp (possibly
using a supply air reset schedule). <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'>Thanks,<o:p></o:p></span></p>
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width=71 height=90 src="cid:image003.jpg@01CADD50.316930E0" v:shapes="Picture_x0020_2"></span><![endif]><b><span
style='font-size:10.0pt;font-family:"Franklin Gothic Book","sans-serif";
color:black'> DAKOTA KELLEY</span></b><span
style='font-size:10.0pt;font-family:"Franklin Gothic Book","sans-serif";
color:black'> </span><span style='font-size:8.0pt;font-family:
"Franklin Gothic Book","sans-serif";color:black'> </span><b><span
style='font-size:10.0pt;font-family:"Franklin Gothic Book","sans-serif";
color:black'><o:p></o:p></span></b></p>
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color:black'> </span><span style='font-size:
10.0pt;font-family:"Franklin Gothic Book","sans-serif";color:black'>Project
Designer<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Franklin Gothic Book","sans-serif";
color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Franklin Gothic Book","sans-serif";
color:black'> Office: 214-744-6199<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Franklin Gothic Book","sans-serif";
color:black'> Cell: 214-280-3825<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Franklin Gothic Book","sans-serif";
color:black'> Fax: 214-744-0770 <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Franklin Gothic Book","sans-serif";
color:black'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Franklin Gothic Book","sans-serif";
color:black'><a href="http://www.teliospc.com/"><span style='font-family:"Times New Roman","serif";
color:blue'>http://www.teliospc.com</span></a> 3535 Travis St. Suite
115 <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Franklin Gothic Book","sans-serif";
color:black'><a href="mailto:dakotak@teliospc.com"><span style='font-family:
"Times New Roman","serif";color:blue'>dakotak@teliospc.com</span></a> Dallas,
TX 75204 <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Franklin Gothic Book","sans-serif";
color:#3333FF'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Franklin Gothic Book","sans-serif";
color:#3333FF'>| MEP ENGINEERING </span><span style='font-size:8.0pt;
color:#3333FF'>·</span><span style='font-size:8.0pt;font-family:"Franklin Gothic Book","sans-serif";
color:#3333FF'> ENERGY MODELING </span><span style='font-size:8.0pt;color:#3333FF'>·
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color:#3333FF'>LEED CONSULTATION</span><span style='font-size:8.0pt;font-family:
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style='font-size:8.0pt;color:#3333FF'>·</span><span style='font-size:8.0pt;
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<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'><o:p> </o:p></span></p>
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color:#1F497D'><o:p> </o:p></span></p>
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<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"'> Rob Hudson
[mailto:rdh4176@gmail.com] <br>
<b>Sent:</b> Friday, April 16, 2010 7:39 AM<br>
<b>To:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> [Equest-users] Energy recovery ventilation<o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I am modeling a school building with small "unit
ventilators" that have hot water and chilled water coils, (i'm modeling as
fan coil units in equest). My problem is that these units have a small
ERV and equest doesn't allow fan coils to have them. If anyone has a
bright solution or tips that would be great. <br>
my plan as of now is to create a dummy system that will feed OA to the fan coil
units and put the ERV on this dummy system. <br>
<br>
Thanks,<br clear=all>
<br>
-- <br>
Rob Hudson<o:p></o:p></p>
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