we have a closed-loop water system used as a secondary coolant system cooled by the primary refrigeration system using R404a refrigerant. the temperature rise in the water system is 1 deg C. Max flow is 40lpm, motor is 1.1 KW 220 V 4.8 Amp 50Hz single phase. The pump is a multistage centrifugal type. How it is possible to the addition of that much of heat into the system?
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