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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The system is actually a mixed air system with 25% OA.  The zone control is a good idea but I need to set up a maximum flow instead of a minimum. Any thoughts?
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">Crina Bosch<br>
Designer, Sustainability</span><span style="color:black"><o:p></o:p></span></p>
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3135 Euclid Avenue<br>
Cleveland, OH  44115</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><br>
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</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">216.391.3700 ext 3087</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><br>
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</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">216.391.0108</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><br>
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</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:red"><a href="mailto:cbosch@karpinskieng.com">cbosch@karpinskieng.com</a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:blue"><br>
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</span><u><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:blue"><a href="http://www.karpinskieng.com" title="blocked::http://www.karpinskieng.com/
http://www.karpinskieng.com/">www.karpinskieng.com</a></span></u><span style="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""> Jeremy McClanathan [mailto:jmcclanathan@CDiengineers.com]
<br>
<b>Sent:</b> Monday, April 14, 2014 1:41 PM<br>
<b>To:</b> 'John Aulbach'; Bosch, Crina; 'equest-users@lists.onebuilding.org'<br>
<b>Subject:</b> RE: [Equest-users] Night time setback<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">If it is a recirc unit, a second option would be to use a zone min flow schedule.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Jeremy<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Myriad Web Pro";color:gray">___________________________________________</span></b><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:"Verdana","sans-serif";color:#5F5F5F">Jeremy McClanathan</span></b><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:gray">,</span><span style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:gray">
 P.E., BEMP, HFDP,</span><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:gray">
</span><span style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:gray">LEED<sup>®</sup> AP</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:9.0pt"><b><span style="font-size:8.0pt;font-family:"Verdana","sans-serif";color:#5F5F5F"><img border="0" width="98" height="15" id="Picture_x0020_8" src="cid:image001.jpg@01CF57F3.156454C0" alt="CDi_Engineers_logo_color.jpg"></span></b><b><span style="font-size:8.0pt;font-family:"Verdana","sans-serif";color:olive"><o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:gray">19203 36th Avenue W, Suite 200, Lynnwood, WA 98036</span><b><span style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:olive"><o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:gray">P 425-672-1071 | F 425-778-8769
</span><span style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p></o:p></span></p>
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</span><i><span lang="EN-GB" style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#99CC00">Please consider the environment before printing this email.</span></i><span style="font-size:11.0pt;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""> John Aulbach [<a href="mailto:jra_sac@yahoo.com">mailto:jra_sac@yahoo.com</a>]
<br>
<b>Sent:</b> Monday, April 14, 2014 10:37 AM<br>
<b>To:</b> Bosch, Crina; <a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Equest-users] Night time setback<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Helvetica","sans-serif";color:black">Crina:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica","sans-serif";color:black">If your system is 100% OSA (whicI i believe it is), you can use the MIN-FLOW-SCH to set an hourly air flow(and thus outside airflow) for your space.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Helvetica","sans-serif";color:black">John R. Aulbach, PE<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">From:</span></b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"> "Bosch, Crina" <<a href="mailto:CBosch@karpinskieng.com">CBosch@karpinskieng.com</a>><br>
<b>To:</b> "<a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a>" <<a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a>>
<br>
<b>Sent:</b> Monday, April 14, 2014 10:19 AM<br>
<b>Subject:</b> [Equest-users] Night time setback</span><span style="font-family:"Helvetica","sans-serif";color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Helvetica","sans-serif";color:black">I am running a model for an operating room.  My goal is to show the system savings for a night set back.  I am using a VAV system that is currently
 running 24/7 at 100% flow.  My goal is to show the benefit of running this system at different maximum airflow levels while maintaining constant flow during unoccupied times.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Helvetica","sans-serif";color:black">If my OR schedule is 5am to 5pm, I would like the fan to run at 20 ACH during occupied time, 10 ACH during the first 3 hours of unoccupied time, and
 6 ACH for the remaining unoccupied time.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Helvetica","sans-serif";color:black">Can I achieve this by adjusting fan schedules, or fan parameters for different occupancy settings?  Any advice that may point me in the right direction
 would be helpful.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Helvetica","sans-serif";color:black">If three different levels of fan speed are too much to ask, I would be happy with being able to run at 20 ACH during occ. And 6 ACH during unocc.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif";color:black">Crina Bosch<br>
Designer, Sustainability</span><span style="font-family:"Helvetica","sans-serif";color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:13.5pt;font-family:"Helvetica","sans-serif";color:red">karpinski<br>
</span><span style="font-size:7.5pt;font-family:"Helvetica","sans-serif";color:black">ENGINEERING</span><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif";color:black"><br>
3135 Euclid Avenue<br>
Cleveland, OH  44115</span><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif";color:#1F497D"><br>
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</span><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif";color:black">216.391.3700 ext 3087</span><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif";color:#1F497D"><br>
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</span><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif";color:black">216.391.0108</span><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif";color:#1F497D"><br>
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</span><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif";color:red"><a href="mailto:cbosch@karpinskieng.com" target="_blank">cbosch@karpinskieng.com</a></span><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif";color:blue"><br>
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_______________________________________________<br>
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To unsubscribe from this mailing list send  a blank message to <a href="mailto:EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG">
EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG</a><o:p></o:p></span></p>
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