I am trying to calculate part load ratio performance coefficients for water cooled chiller and unitary system. For Water cooled chiller, EIRfPLR curve coefficients can be get from Energy Plus curve fit tool(excel sheet) in quadratic form? And for unitary DX system, Part load fraction correlation curve was available in Energy Plus - Engineering Reference document (pg no. 818) PLR=0.85+0.15(PLR), can I use this same correlation values for simulation?
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