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The fan and pump system toolkits are here:<br>
<a class="moz-txt-link-freetext" href="http://www.cacx.org/resources/rcxtools/spreadsheet_tools.html">http://www.cacx.org/resources/rcxtools/spreadsheet_tools.html</a><br>
<br>
The BSUG presentation is here -- you may need to be a member of the
BSUG Yahoo group to access the file. It was the Sept 2009 presentation.<br>
<a class="moz-txt-link-freetext" href="http://tech.groups.yahoo.com/group/BSUG/files/">http://tech.groups.yahoo.com/group/BSUG/files/</a><br>
<br>
Paul Diglio wrote:
<blockquote cite="mid:318201.13118.qm@web83304.mail.sp1.yahoo.com"
type="cite">
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<div>Hi:<br>
<br>
Does anyone have the link that Steven mentioned?<br>
<br>
Thank you,<br>
<br>
Paul Diglio<br>
</div>
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face="Tahoma" size="2">
<hr size="1"><b><span style="font-weight: bold;">From:</span></b>
Steven Savich <a class="moz-txt-link-rfc2396E" href="mailto:ssavich@systemswestengineers.com"><ssavich@systemswestengineers.com></a><br>
<b><span style="font-weight: bold;">To:</span></b> Vikram Sami
<a class="moz-txt-link-rfc2396E" href="mailto:VSami@lasarchitect.com"><VSami@lasarchitect.com></a>; eQUEST Users List
<a class="moz-txt-link-rfc2396E" href="mailto:equest-users@lists.onebuilding.org"><equest-users@lists.onebuilding.org></a><br>
<b><span style="font-weight: bold;">Sent:</span></b> Fri, March 5,
2010 6:02:54 PM<br>
<b><span style="font-weight: bold;">Subject:</span></b> Re:
[Equest-users] More about fans<br>
</font><br>
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<p class="MsoNormal"><span style="color: rgb(31, 73, 125);">Vikram,</span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);">Reid Hart
of PECI did a
presentation on this issue for the building simulation user's group a
few
months ago, and discussed a spreadsheet tool to construct accurate DOE2
performance curves for variable flow air and water systems. I believe
the
powerpoint presentation is still archived on the BSUG yahoo site, and
the
spreadsheet is downloadable from PECI's website. I haven't tried using
this
tool yet, so I cannot vouch for its accuracy or useability.</span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);">Steven</span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"> </span></p>
<div>
<p class="MsoNormal"><span
style="font-family: "serif"; color: rgb(31, 73, 125);">Steven Savich,
LEED AP</span><span
style="font-size: 12pt; font-family: "serif"; color: rgb(31, 73, 125);"></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "serif"; color: rgb(31, 73, 125);">Systems
West Engineers</span><span style="color: rgb(31, 73, 125);"></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "serif"; color: rgb(31, 73, 125);">411
High Street</span><span style="color: rgb(31, 73, 125);"></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "serif"; color: rgb(31, 73, 125);">Eugene,
OR 97401-2427</span><span style="color: rgb(31, 73, 125);"></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "serif"; color: rgb(31, 73, 125);">(541)
342-7210</span><span style="color: rgb(31, 73, 125);"></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "serif"; color: rgb(31, 73, 125);">(541)
342-7220 (fax)</span><span style="color: rgb(31, 73, 125);"></span></p>
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<p class="MsoNormal"><b><span
style="font-size: 10pt; font-family: "sans-serif";">From:</span></b><span
style="font-size: 10pt; font-family: "sans-serif";">
<a class="moz-txt-link-abbreviated" href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a>
[<a class="moz-txt-link-freetext" href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>] <b>On Behalf Of </b>Vikram
Sami<br>
<b>Sent:</b> Friday, March 05, 2010 2:01 PM<br>
<b>To:</b> eQUEST Users List<br>
<b>Subject:</b> [Equest-users] More about fans</span></p>
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<p class="MsoNormal"> </p>
<p class="MsoNormal"><span style="color: rgb(0, 0, 180);">Same model
– different fan
question. Table G3.1.3.15 Gives you a part load performance table for
VAV fan
systems. Based on that, I created a performance curve (linear) for my
VAV fan
system that looks like this:</span></p>
<p class="MsoNormal"><span style="color: rgb(0, 0, 180);"> </span></p>
<p class="MsoNormal"><span style="color: rgb(0, 0, 180);"><img
id="Picture_x0020_1" src="cid:part1.02050501.00080705@greensim.com"
height="546" width="734"></span></p>
<p class="MsoNormal"><span style="color: rgb(0, 0, 180);"> </span></p>
<p class="MsoNormal"><span style="color: rgb(0, 0, 180);"> </span></p>
<p class="MsoNormal"><span style="color: rgb(0, 0, 180);">Problem is
when I use this as
opposed to the default curve that came out of the wizard, the fan
energy
doubles. The fan energy is still only 8% of the overall building load,
so its
not alarming. Does this mean that the default curve was way to low? Is
the
method above the way to model this performance curve?</span></p>
<p class="MsoNormal"><span style="color: rgb(0, 0, 180);"> </span></p>
<p class="MsoNormal"><span style="color: rgb(0, 0, 180);">Thanks for
your help</span></p>
<p class="MsoNormal"><span style="color: rgb(0, 0, 180);"> </span></p>
<div>
<p class="MsoNormal" style=""><b><span
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Sami,</span></b><span
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</span><span
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