[EnergyPlus_Support] HeatPump Equation Fit Calculator

[Karen Walkerman <kwalkerman@xxxxxxxxx>]

Hi,

Is anyone aware of a calculator that (based on manufacturer's data) will provide coefficients for equation fit heat pumps?  I have tried to use the "HeatPump-WatertoWater-WatertoAir-SpreadsheetsAndDocs" calculators available on the helpdesk, but have not been able to create satisfactory parameter estimation coefficients, so would like to try an equation fit model instead.

Another question:  The "HeatPump-WatertoWater-WatertoAir-SpreadsheetsAndDocs"  calculators do not offer R410A refrigerant as an option.  I believe that I could get much better results with this alternative.  How can I add this to the calculator?

Thanks,

--

Karen

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