[EnergyPlus_Support] Re: AHU air temperature control

["brainwt" <deukwookim@xxxxxxxx>]

Thank you very much.

I'll try it!

Deuk-Woo Kim

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Richard Raustad <RRaustad@...> wrote:
>
> Look at:
> 
> SetpointManager:SingleZone:Heating,
> SetpointManager:SingleZone:Cooling,
> 
> You could use the heating SP manager to place a set point at the heating 
> coil outlet node, and the cooling SP manager for a cooling coil.
> 
> On 4/30/2012 6:41 AM, brainwt wrote:
> > Dear all,
> >
> > Can E+ provide air temperature control logic of AHUs according to the zone load profiles?
> >
> > For example,
> > - Discharged air temperature is set to 35 deg. if children zones demand heating.
> > - Discharged air temperature is set to 16 deg. if children zones demand cooling.
> >
> > Generally, the interior zones have cooling load all year-round thus heating coil is not considered in air terminal unit. But in very cold winter day, the heating demand can occur in the interior zone in the case of the all glass curtain-wall building. In this case the discharged air temperature should be set up to 35~40 deg. to satisfy zone heating demand.
> >
> > As far as I understand it, it seems that E+ does not support that functions. The central supply air temperature is controlled by SetpointManager:Schedule as fixed value (of course, reset air temperature schedules could be applied but it is not the case of the aforementioned control logic).
> >
> > I am aware of EMS capability which can support this, but the coding task is tiresome. I just want to use basic control functions.
> >
> > Any comment would be appreciated.
> >
> > Deuk-Woo Kim
> >
> >
> >
> >
> > ------------------------------------
> >
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> 
> -- 
> Richard A. Raustad
> Senior Research Engineer
> Florida Solar Energy Center
> University of Central Florida
> 1679 Clearlake Road
> Cocoa, FL  32922-5703
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> 
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>




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