[Bldg-sim] TRACE modeling question - Heating Only

[Bishop, Bill]

Marty,
 
I usually model heating-only systems in my proposed model as PTAC
systems for Appendix G. I use a high cooling thermostat temperature in
the proposed and baseline models to minimize cooling energy in those
spaces.
 
Regards,
Bill
 
William Bishop, EIT, BEMP, LEED(r) AP | Pathfinder Engineers &
Architects LLP
Mechanical Engineer
 
134 South Fitzhugh Street
Rochester, NY 14608
T: (585) 325-6004 Ext. 114
F: (585) 325-6005
wbishop at pathfinder-ea.com
www.pathfinder-ea.com
P May is National Bike Month. Bike to Work Day May 21st.
________________________________

From: bldg-sim-bounces at lists.onebuilding.org
[mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Fareed Syed
Sent: Tuesday, May 18, 2010 10:36 AM
To: Snarski, Marty; bldg-sim at lists.onebuilding.org
Subject: Re: [Bldg-sim] TRACE modeling question - Heating Only
 
In my past experience, I had assigned those heated only spaces to VAV
systems for the baseline model. I think that's the most appropriate way
of complying Appendix G. And this way it went through without any
comments from the reviewer.
 
Thanks,
 
Fareed
 
From: bldg-sim-bounces at lists.onebuilding.org
[mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Snarski,
Marty
Sent: Tuesday, May 18, 2010 10:34 AM
To: bldg-sim at lists.onebuilding.org
Subject: [Bldg-sim] TRACE modeling question - Heating Only
 
Hello, everyone.
 
I've got a question that I've never been clear on and figured I'd turn
to the experts (you all).
 
In appendix G, Table G3.1.1b, it's stated that all conditioned spaces
shall be modeled as being both heated and cooled, even if no cooling
systems exists, for both the proposed and baseline buildings.
 
We typically place Cabinet Unit Heaters in stairways and vestibules, and
don't worry about cooling those spaces.  So, my question is, though
TRACE has a couple "Heating only" systems options, Appendix G says that
these cannot be selected.  So, what is a common solution?  The other
systems in the building are VAV, so, can those spaces just be grouped on
to there?
 
Thanks for any advice you'd have!
 
 
Martin Snarski   LEED(r) AP 
Mechanical Engineer 

SHWGROUP 
 
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