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What if there are a number of different fan schedules in the
building? Do you multiply the 2% from BEPS for all systems?
What if only one zone on one system has unmet hours - how do you use the
BEPS report to calculate which zone and for how many hours?<br><br>
It seems to me that the SS-R report provides the most useful information
for determining which systems/zones are under heated/cooled.
<br><br>
In Andrew's case, I believe the reviewer is off his/hers rocker - asking
that the SS-R and BEPS report match. <br><br>
At 03:28 PM 7/6/2010, Otto Schwieterman wrote:<br>
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Andrew,<br>
<br>
I would write a narrative explaining how eQUEST calculates unmet hours.
You take the % of hours outside throttling range on your BEPS or BEPU
report and multiply it by the number of hours your fan is on (SS-E
report). <br>
<br>
The SS-R report shows room-by-room unmet hours. You should not take the
sum of these hours because 10 rooms may be unmet at 3:00-5:00 and
the BEPS report calculates this as 2 hours while the sum of the SS-R
report calculates it as 20 hours (10 rooms x 2 hours).<br>
<br>
Otto <br>
<br>
<b>From:</b> Andrew T McMurray
[<a href="mailto:amcmurray@pacollinspe.com" eudora="autourl">
mailto:amcmurray@pacollinspe.com</a>] <br>
<b>Sent:</b> Tuesday, July 06, 2010 2:17 PM<br>
<b>To:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> [Equest-users] (no subject)<br>
<br>
Hello Everyone,<br>
<br>
I am trying to finalize a building model for a LEED submission but am
having difficulty getting the BEPS report "percent of hours any
system zone outside of throttling range" to match the SS-R reports
"zone under heated" and "zone under cooled"
hours. This was a complaint from the LEED reviewer.<br>
<br>
The building has three systems and all spaces are conditioned. The
BEPS report lists hours outside of throttling range at 2% (175hrs), but
the SS-R report lists under heated and cooled hours of 280 (3.2%).
<br>
<br>
I consider myself fairly familiar with equest but am unable to get these
two numbers to match. Has anyone run into this problem in the past
or have any ideas of where I should be focusing my attention?<br>
<br>
Many Thanks,<br>
<br>
<br>
Andrew McMurray, EIT<br>
P. A. Collins PE Consulting Engineers<br>
15 West 26th Street, 5th Floor<br>
New York, NY 10010<br>
<br>
tel: 212.696.5294<br>
fax: 212.696.5295<br>
<a href="http://www.pacollinspe.com">www.pacollinspe.com</a><br><br>
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