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<div class=Section1>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>When trying to model as described below the Electric DX
selection isn’t available in the Cap/Control subtab. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Any tips as to modeling water cooled DX ACU’s with fan powered
boxes are appreciated. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Thank you.<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'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Franklin Gothic Demi","sans-serif";
color:#1F497D'>Scott Rushing, PE, LEED</span><span style='font-size:8.0pt;
font-family:"Franklin Gothic Demi","sans-serif";color:#1F497D;position:relative;
top:-2.0pt;mso-text-raise:2.0pt'>®</span><span style='font-size:11.0pt;
font-family:"Franklin Gothic Demi","sans-serif";color:#1F497D'> AP<o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Principal</span></i><i><span style='font-size:10.0pt;color:#1F497D'><o:p></o:p></span></i></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>direct: 206.285.7106<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>cell: 206.321.3300 <o:p></o:p></span></p>
<p class=MsoNormal style='margin-bottom:3.0pt'><span style='font-size:8.0pt;
font-family:"Arial","sans-serif";color:#1F497D'><a
href="http://www.rushingco.com/">www.rushingco.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"'> BLDG-SIM@gard.com
[mailto:BLDG-SIM@gard.com] <b>On Behalf Of </b>Jeff Hirsch<br>
<b>Sent:</b> Friday, August 24, 2007 7:01 AM<br>
<b>To:</b> BLDG-SIM@gard.com<br>
<b>Subject:</b> [BLDG-SIM] System 6 and High Efficiency Window<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>In
version 3.61 and earlier the eQUEST wizards do not have an option for</span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>DX
AHU with PIU zone boxes. However, in the detail mode, if a PIU system has</span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>been
defined you can open the AHU property sheet, go to the cooling tab and</span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>on
the coil Cap/Control subtab change the Cool Source from chilled water to</span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Electric
DX. You should then set to default any CHW loop connection and</span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>related
values (lower in that column on the subtab) and then you can delete</span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>the
chiller(s), cooling tower(s) and CHW loop (in that order) if no longer</span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>used.</span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>In
the next release (3.62) DX cooling for PIU AHUs will also available in the
wizards.</span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'>--- <br>
Jeff Hirsch<br>
Building Performance Analysis Software & Consulting<br>
12185 Presilla Road<br>
Camarillo, CA 93012-9243 USA<br>
phone: (805) 553-9000<br>
fax: (805) 532-2401<br>
email: <a href="Jeff.Hirsch@DOE2.com">Jeff.Hirsch@DOE2.com</a><br>
web: <a href="http://doe2.com/">http://DOE2.com</a><o:p></o:p></p>
</div>
<blockquote style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>-----
Original Message ----- <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:#E4E4E4'><b><span style='font-size:10.0pt;
font-family:"Arial","sans-serif"'>From:</span></b><span style='font-size:10.0pt;
font-family:"Arial","sans-serif"'> <a href="mailto:RGarcia@akf-eng.com"
title="RGarcia@akf-eng.com">Garcia, Robert</a> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>To:</span></b><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'> <a
href="mailto:BLDG-SIM@gard.com" title="BLDG-SIM@gard.com">BLDG-SIM@gard.com</a>
<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Sent:</span></b><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'> Thursday, August 23,
2007 9:56 AM<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Subject:</span></b><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'> [BLDG-SIM] System 6
and High Efficiency Window<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>There seems to be little reponse to the issue of modeling
System 6 of ASHRAE 90.1-2004. Has anyone been able to model a Packaged
VAV with PFP Boxes in eQUEST?</span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><em><span style='font-family:"Bookman Old Style","serif";
color:black'>Robert Garcia</span></em><span style='font-size:10.0pt;font-family:
"Arial","sans-serif";color:blue'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Century Gothic","sans-serif";
color:black'>AKF Engineers, LLP<br>
</span><span style='font-size:9.0pt;font-family:"Century Gothic","sans-serif";
color:black'>1500 Walnut Street, Suite 1400<br>
Philadelphia, PA 19102 <br>
Phone: (215) 282-2182</span><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:blue'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Century Gothic","sans-serif";
color:black'>Fax: (215) 735-6706<br>
</span><span style='font-size:10.0pt;font-family:"Century Gothic","sans-serif";
color:black'><a href="http://www.akf-engineers.com">www.akf-engineers.com</a></span><span
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:blue'><o:p></o:p></span></p>
</div>
<blockquote style='margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>
<p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>-----Original Message-----<br>
<b>From:</b> BLDG-SIM@gard.com [mailto:BLDG-SIM@gard.com] <b>On Behalf Of </b>Garcia,
Robert<br>
<b>Sent:</b> Wednesday, August 22, 2007 2:46 PM<br>
<b>To:</b> BLDG-SIM@gard.com<br>
<b>Subject:</b> [BLDG-SIM] System 6 and High Efficiency Window</span><o:p></o:p></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>I would like to discuss question number 1 as well. Appendix G
specifies that Direct Expansion be used as the cooling type for System 6.
However, the PIU system in eQuest does not allow you to use DX coils. I
have seen several archived posts on this same question that say to model a
chiller equivalent to the DX coils, but nothing further. I have redefined
the chiller performance curves accordingly with no success. Has anyone
set up this system succesfully in eQuest? </span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>In response to Questions 2 and 3, the U-value and Shading
Coefficient of the glass has significant impact on the energy savings with the
HVAC system. In addition, the visible light transmittance of the glass
directly impacts the Daylighting controls within the rooms affecting electric
usage. The selection of glass should be investigated when
determining the window-wall ratio and the resulting savings.</span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><em><span style='font-family:"Bookman Old Style","serif"'>Robert
Garcia</span></em><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Century Gothic","sans-serif"'>AKF
Engineers, LLP<br>
</span><span style='font-size:9.0pt;font-family:"Century Gothic","sans-serif"'>1500
Walnut Street, Suite 1400<br>
Philadelphia, PA 19102 <br>
Phone: (215) 282-2182</span><span style='font-size:10.0pt;
font-family:"Arial","sans-serif"'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Century Gothic","sans-serif"'>Fax:
(215) 735-6706<br>
</span><span style='font-size:10.0pt;font-family:"Century Gothic","sans-serif"'><a
href="http://www.akf-engineers.com/"><span style='color:black'>www.akf-engineers.com</span></a></span><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>-----Original Message-----<br>
<b>From:</b> BLDG-SIM@gard.com [mailto:BLDG-SIM@gard.com] <b>On Behalf Of </b>Virdi
Permana<br>
<b>Sent:</b> Wednesday, August 22, 2007 1:59 PM<br>
<b>To:</b> BLDG-SIM@gard.com<br>
<b>Subject:</b> [BLDG-SIM] System 6 and High Efficiency Window<o:p></o:p></span></p>
</div>
<blockquote style='margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Hello
All,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Quick
question on System 6: Package VAV w/PFP boxes.<o:p></o:p></span></p>
<ol style='margin-top:0in' start=1 type=1>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><span style='font-size:
10.0pt;font-family:"Arial","sans-serif"'>How do you use system 6 in
eQUEST? Do you have to use parallel PIU at the zone?</span> <span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p></o:p></span></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><span style='font-size:
10.0pt;font-family:"Arial","sans-serif"'>At what percentage of window to
wall ratio that high efficiency can star contribute significant saving?</span>
<span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p></o:p></span></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><span style='font-size:
10.0pt;font-family:"Arial","sans-serif"'>At what number is considered
significant saving?</span> <span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p></o:p></span></li>
</ol>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Any
respond is greatly appreciated.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Sincerely,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Virdiansyah
"Virdi" Permana</span><o:p></o:p></p>
<p class=MsoNormal><strong><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:green'>EMSI</span></strong><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Energy
Analyst</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>(202)
291 3102 T</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>(202)
291 3107 F</span> <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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