Takes the U-name of a curve that adjusts the electric input ratio as a function of the leaving chilled water temperature and the condenser temperature. This curve should be normalized to 1.0 at the ARI point (RATED-CHW-T, RATED-COND-T, etc.).
Takes the U-name of a curve that adjusts the electric input ratio as a function of
The part load ratio (PLR) ? The PLR is defined as the ratio of the hourly load to the hourly capacity; Load / Caphour
The evaporator/condenser dT - The temperature differential between the condenser and leaving chilled-water. The meaning of the condenser temperature varies according to condenser type.
Takes the U-name of a curve that adjusts the capacity of the chiller as a function of the leaving evaporator water temperature and the condenser temperature. This curve should be normalized to 1.0 at the rated conditions (RATED-CHW-T, RATED-COND-T, etc.).
MY understanding is the the EIR-FPLR was always to be the part load curve based on a constant condenser water entering temperature (say 85°F) and that the program would use the other two curves to modify this based on other chilled and condenser water conditions.
NOW I see a new equation (new to me) in eQuest that I can apparently put in the ARI curve of a chiller (based on ARI prescribed condenser water relief) and the program will accept that.
Is this anyone else's understanding?
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