Re: [EnergyPlus_Support] Speed Compressor

["Jim Dirkes jim@xxxxxxxxxxxxxxxxxxxxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx>]

Xavier,

I think that all VRF compressors are variable speed. Whether they are or not, however, the performance is always reflected by the various curves associated with the VRF. 

Find good information on part-load power and capacity from the manufacturer, then make curves which reflect that performance.

DesignBuilder has an Excel template called "VRF Curve Generation Utilities"

on their website which is free to all; you may find that helpful.

On Thu, May 26, 2016 at 1:53 PM, ademilson xavier ademilsonxavier@xxxxxxxxxxxx [EnergyPlus_Support] <EnergyPlus_Support@xxxxxxxxxxxxxxx> wrote:

 

Dear all;

Do you know if there is any performance curve where I would be able to vary the speed compressor into VRF Template IDF ?

Thank you in advance for your help!

Regards;

Xavier.

--

James V Dirkes II, PE, BEMP, LEED AP
CEO/President
The Building Performance Team Inc.
1631 Acacia Dr, GR, Mi 49504

Direct: 616.450.8653
jim@xxxxxxxxxxxxxxxxxxxxxxxxxxx

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Posted by: Jim Dirkes <jim@xxxxxxxxxxxxxxxxxxxxxxxxxxx>

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