[Bldg-sim] Regarding VRV designing in Energy Plus.....

[Graham Carter & Megan Lyall]

I would check the part load performance below 50% load and ensure you  
are happy with what the default curves assume as I believe these  
curves FSEC developed may extrapolate from >50% PLR manufacturer's  
data.  There is a question whether the units cycle or continue to turn  
down, but in either case the curve we believe is not representative.   
Very tough to get part load data from manufacturer's.  Has anyone else  
overcome the limitations of manufacturer's data.  The efficiencies  
promise a lot for small commercial and multi-unit residential  
buildings yet we have relatively such poor base data ...
Regards,
Graham

On 20/08/2012, at 12:08 AM, Bereket Nigusse wrote:

> Sheelam,
>
> You may use the variable refrigerant flow (VRF, VRV) example file  
> that comes with the EnergyPlus install. This example demonstrates  
> the use of five terminal units (Indoor Coils) connected to a single  
> outdoor unit; each zone served with one terminal unit. Currently,  
> EnergyPlus has a heat pump VRF system, i.e., it runs in either  
> cooling-only or  heating-only mode. For further information refer to  
> the EnergyPlus documentations.
>
> VariableRefrigerantFlow_5Zone.idf
>
> The VRF HVAC model is available in V7.0 and 7.1 EnergyPlus versions  
> only.
>
> Bereket Nigusse
> Florida Solar Energy Center
>
> --- On Sun, 8/19/12, Sheelam Khare <sheelamkhare26 at gmail.com> wrote:
>
> From: Sheelam Khare <sheelamkhare26 at gmail.com>
> Subject: [Bldg-sim] Regarding VRV designing in Energy Plus.....
> To: Bldg-sim at lists.onebuilding.org
> Date: Sunday, August 19, 2012, 5:02 AM
>
> Hello All..
> I am working on the Educational Institute Building project using  
> Energy plus simulation software. In this, I am trying to apply VRV  
> system at the building .
> Please suggest me how to design the VRV system in Energy plus  
> software.
>
> Sheelam Khare.....
>
> -----Inline Attachment Follows-----
>
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