[Bldg-sim] How have you approached...

[Nick Caton]

I have a precedent question for everyone... this is not a "how to"
procedural question for any particular software, but to simply feel out
what has worked for others in the past:

 

Here's a quick description of the situation at-hand:  a VAV terminal
unit with a "normal" minimum damper position (say, 30%) is tied by relay
to the space occupancy sensor, which also controls the lights.  Upon
sensing space vacancy, the minimum airflow damper position is reset to
0% (airflow is permitted to stop, provided thermostat temperature set
point is satisfied).  Upon sensing occupancy, the preset minimum damper
position is restored.

 

For LEED/USGBC-reviewed energy models, can anyone relate success in
modeling this or a similar energy-saving behavior in the proposed model,
distinct from the baseline?  If so, what approach did you use to model
this behavior and/or quantify the energy savings? 

 

I was discussing the possibilities with some colleagues and have a few
ideas for approaches that might all be justifiable, ranging from simple
(and quick) to complex (and time-consuming).  

 

There are likely multiple "right" answers here, but I am hoping to
identify some precedent to understand what we can anticipate the LEED
reviewership will accept.  

 

Thanks in advance!

 

~Nick

 

 

 

NICK CATON, P.E.

SENIOR ENGINEER

 

Smith & Boucher Engineers

25501 west valley parkway, suite 200

olathe, ks 66061

direct 913.344.0036

fax 913.345.0617

www.smithboucher.com 

 

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