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Re: [EnergyPlus_Support] Unitary heat pump: Air to Air
Check the eio file for sizing of the PTHP.
The DX heating coil is probably sized sufficient to meet the load.
If the DX heating coil is not operating, check the Minimum Outdoor
Dry-Bulb Temperature for Compressor Operation input in the PTHP object
and see if that is causing the DX heating coil to not operate
If the DX heating coil is operating, check the Total Heating Capacity
Function of Temperature Curve to make sure it represents the
manufacturers performance data.
Rashmi Sonal wrote:
>
>
> Hi,
>
>
>
> I am modelling a building in Boston with packaged terminal heat pumps.
>
> The default option to size the heatpump is based on zone cooling load
> and there is a supplemental electric heating coil along with heatpump
> heating coil.
>
>
>
> The rooms are way below set point if I turn off the supplemental
> heating coil. Is there a way I can size the heatpump based on zone
> heating load ?
>
>
>
> Thanks in advance,
>
> Sonal
>
>
>
> Rashmi Sonal, LEED AP
>
> Environmental Designer
> Computational and Simulation Analysis (CoSA)
> www.burohappold.com <http://www.burohappold.com>
>
> Tel: (+1) 212 616 0285
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