Re: [EnergyPlus_Support] VAV single duct reheat

["Michael J. Witte" <mjwitte@xxxxxxxx>]

Li:

What you describe is functionally what the VAVSingleDuctReheat.idf 
is.  To eliminate the hot water loop, change the reheat coils to be 
electric or gas.  To eliminate the chilled water loop, you would have 
to use a DX cooling coil.  This would require two objects,  
DXSystem:AirLoop and COIL:DX:CoolingBypassFactorEmpirical.  You will 
not need the cooling coil controller but you will still need the set 
point manager to specify the setpoint leaving the cooling coil.

Mike



On 12 Feb 2003, at 21:43, zl21e zl21e@xxxxxxxxx wrote:

> Hello, Everybody,
> I need to simulate a system like this:
> First, the supply air is cooled at 60F, then it is sent to several
> rooms.  For each room, if the room needs heating, the flow rate of the
> supply air for that room is controlled at min. flow rate, and the
> reheat coil for that room works to heat the supply air to meet the
> requirment. If the room needs cooling, the reheat coil does not work. 
> The flow rate of the supply air increases to meet the requirment.   At
> the same time, some rooms may need heating and the others may need
> cooling.
> 
> I have found the example files of VAVSingleDuctReheat.idf and 
> s1r3DD.idf.  I think the system I need to simulate is similar to those
> in the two files.  However, I do not need to simulate the details of
> the chilled water loop and hot water loop as shown in the two files. 
> Is it possible to simplify those parts in the simulation?
> 
> Thank you!
> 
> Sincerely,
> Li Zhang
> Department of Mechanical Engineering
> Iowa State University
> Ames, IA 50010
> 
> 
> 
> 
> 
> 
> 
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