RE: Re: [EnergyPlus_Support] Re: Modelling Ductless Mini Split Heat Pumps

[<ecedemir3@xxxxxxxxx>]

Hello everybody,

i have a model with thirteen zone, and each zone has its own ductless split system only for heating. This VRF system (where there is 
one outdoor condensing unit and multiple indoor units) is not suitable for my model. Also every zone has different number of hours per day to use the heating unit (I have the schedule for time periods). 
So i would like to model a ductless split system air conditioner for each zone. I have used ``Unitheater`` with electricity example file but the electricity for heating was exteremely low. 
Could you please help me about this subject?
Ece Demir 



---In EnergyPlus_Support@xxxxxxxxxxxxxxx, <energyplus_support@xxxxxxxxxxxxxxx> wrote:

Mr. Richard,
Yes, thank you.
I read your report on the VRF system modeling.  It has been of great help.
Regards,
Nikhil
Subject: Re: [EnergyPlus_Support] Re: Modelling Ductless Mini Split Heat Pumps


 This has already been answered?

Use the VRF system! (e.g., ZoneHVAC:TerminalUnit:VariableRefrigerantFlow, etc.)

> On 5/18/2012 10:19 AM, Nikhil Sehgal wrote:
> Hello,
> Can anyone help me with the query from trailing mail. I want to model Duct-less mini split heat pumps. (Preferable with a variable speed compressor). Is there any reasonable approximate way of doing this is in EP?
> Thanks,
Nikhil Sehgal
---
Building Energy Efficiency Group
Fraunhofer Center for Sustainable Energy
Cambridge, USA
> From: Nikhil Sehgal <mailto:nickus_1986@...><nickus_1986@...>
> To: <mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx>"EnergyPlus_Support@xxxxxxxxxxxxxxx" <mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx><EnergyPlus_Support@xxxxxxxxxxxxxxx>
> Sent: Wednesday, 16 May 2012 8:29 PM
> Subject: Modelling Ductless Mini Split Heat Pumps
> 
> Hello,
> Is there a way to model duct less mini split heat pumps in EnergyPLus? The refrigeration case does not connect to any fan coil type unit and there is no other option where compressor and condenser can be placed separately. Is there any way around this?
> Thanks,
Nikhil Sehgal
> ---
Building Energy Efficiency Group
Fraunhofer Center for Sustainable Energy
Cambridge, USA
> 


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