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[EnergyPlus_Support] Re: Ventilation Requirements per ASHRAE 90.1 Appendix G with a DOAS system

Each zone is hardwired using DesignSpecification:OutdoorAir object using "Flow/Area" values.

Curtis

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Vinay Devanathan <vinay.devanathan@...> wrote:
>
> You could hardwire the same OA cfm for each zone to what it is in the
> design case.
> 
> On Tue, Apr 3, 2012 at 11:55 AM, curtisjclark <cjcfromslc@...> wrote:
> 
> > **
> >
> >
> > We are using a DOAS system which delivers 100% outdoor air to the space.
> > In the Baseline model (appendix G), it is a VAV system which delivers mixed
> > outdoor air with return air.
> >
> > To meet the requirements of ASHRAE 62.1 in the Baseline model, I used the
> > Ventilation Rate Procedure calculation method to determine the minimum
> > outdoor air by using the Controller:MechanicalVentilation object with the
> > same ventilation rates as in the DOAS system.
> >
> > The report for "Controller:OutdoorAir" shows the two system have same
> > Minimum Outdoor Air Flow Rate. However, the report "Minimum Outdoor Air
> > During Occupied Hours" shows a 84% reduction in outdoor air.
> >
> > Have I meet the requirements of Appendix G3.1.2.6 for ventilation?
> >
> >  
> >
> 
> 
> 
> -- 
> Vinay Dev
>



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