Re: [EnergyPlus_Support] how to model PTAC with two-speed fan

[Don Shirey <shirey@xxxxxxxxxxxx>]

Actually, this won't work if you really want a two-speed supply air 
fan.  It will only work for a single air flow rate in cooling.

Don Shirey wrote:

> To model a PTAC, I suggest using the window air conditioner object 
> along with baseboard heating.  See objects:
>
> AIR CONDITIONER:WINDOW:CYCLING
> BASEBOARD HEATER:ELECTRIC:CONVECTIVE
>
> and example file:
>
> WindACAuto.idf (although this example file uses Baseboard 
> Heater:WATER:Convective).
>
> A specific PTAC object/model is scheduled to be added to EnergyPlus as 
> part of the next release (October 2007).
>
>
> w_jiang78 wrote:
>
>> Through the documentation, I found EnergyPlus models PTHP, but not 
>> PTAC, and there is only one option for heating (DX coil heating). 
>> Would it be appropriate to use unit ventilator to model a PTAC.
>>
>> Thanks.
>>
>> Ashley 
>>
>>
>> The primary EnergyPlus web site is found at:
>> http://www.energyplus.gov
>>
>> The group web site is:
>> http://groups.yahoo.com/group/EnergyPlus_Support/
>>
>> Attachments are not allowed -- please post any files to the 
>> appropriate folder in the Files area of the Support Web Site.
>>
>> EnergyPlus Documentation is searchable.  Open EPlusMainMenu.pdf under 
>> the Documentation link and press the "search" button.
>>
>> Yahoo! Groups Links
>>
>>
>>



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Attachments are not allowed -- please post any files to the appropriate folder in the Files area of the Support Web Site.

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