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The choice of curve for VRF system

Hi everyone I am trying to model a VRF system in OpenStudio with model AirConditioner:VariableRefrigerantFlow. I found many choices for the curve of cooling part, as well as for heating part: My question is if there is some visual or practical guide to choose the curve for a customized VRF system? by default, all the curves seem to be the "6". Or what's the difference amongst these curves in each choice?

Thanks in advance

image description

The choice of curve for VRF system

Hi everyone I am trying to model a VRF system in OpenStudio with model AirConditioner:VariableRefrigerantFlow. I found many choices for the curve of cooling part, as well as for heating part: My question is if there is some visual or practical guide to choose the curve for a customized VRF system? by default, all the curves seem to be the "6". Or what's the difference amongst these curves in each choice?

Thanks in advance

image description

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