[Bldg-sim] 90.1 VAV Baseline

Carol Gardner gems at spiritone.com
Thu Jul 31 14:31:05 PDT 2008


Mike,

I believe this is specified in Appendix G.

Carol

Tobias, Mike wrote:
> 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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