[Bldg-sim] 90.1 VAV Baseline

[Demba Ndiaye]

Mike, 

Section G3.1.3.13 calls for a minimum of 0.4 cfm/ft2 of floor area
served. Use this number as your minimum flow.

______________
Demba Ndiaye
> -----Original Message-----
> From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-
> bounces at lists.onebuilding.org] On Behalf Of Tobias, Mike
> Sent: Thursday, July 31, 2008 3:42 PM
> To: bldg-sim at lists.onebuilding.org
> Subject: [Bldg-sim] 90.1 VAV Baseline
> 
> My baseline system is System 5: Packaged VAV w/ reheat, but 90.1
doesn't
> specify the minimum airflow percentage and I'm not sure what to use.
> Equest defaults the min VAV airflow at 40% in core zones and 30% in
> perimeter zones.  Increasing this number to 100% (cv) nearly doubles
the
> heating energy.  Since this is such a sensitive number, it's accuracy
is
> critical, what do you think I should use?
> 
> -Mike
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