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Re: [EnergyPlus_Support] Pressure as a control variable

Set the pressure in the fan object. The dampers will modulate flow to 
maintain the zone temperature, Fan power will vary based on the 
variation in flow rate.

ooikoonbeng2004 wrote:
>
> Hello,
>
> i would like to ask why air pressure is not an available control
> variable.
>
> i have a system where the main duct pressure is maintained constant by
> a Variable speed fan. Dampers, before the subducts for each of the 4
> floors, maintain the supply pressure to VAVHeatandCool diffusers no
> reheat, about 20 units per floor.
>
> i am not sure how to model such a system and appreciate any help.
>
> regards to all,
> ooi
>
>  

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