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Re: [EnergyPlus_Support] Re: PTHP serving two Zones
You have already this, but PTHP and PTAC are single-zone equipment
models. You will have to use air loop equipment for your application.
The 2 you list are acceptable.
careym.cosmaj wrote:
>
> Answering my own questions for the benefit of anyone else who reads
> this .... talking to myself, am I mad yet?
>
> > Is this E+'s way of telling me that it does not know what the division
> > of airflow should be?
>
> The division of airflow is done within the DIRECT AIR objects
>
> > Can I use a PTHP to serve multiple zones?
>
> I dont believe so as there is no way of telling a
> PACKAGEDTERMINAL:HEATPUMP:AIRTOAIR which zone temperature to control
> from, while a UNITARYSYSTEM:HEATPUMP:AIRTOAIR can be told which zone
> to use.
>
> > How should I be defining (without autosizing) how much air goes into
> > each zone?
>
> DIRECT AIR objects
>
> > Is there a more simplistic example than 5ZoneAutoDXVAV.idf to consult?
>
> HeatPump.idf is a great start and UnitarySystem:HeatPump:AirToAir in
> Input Ouput Ref is very insightful, pp 818, 823 and 824.
>
>
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Richard A. Raustad
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