The drinking water needs of a production facility with 20 employees are to be met by a bobbler type water fountain. The refrigerated water fountain is to cool water from 22 to 8°C and supply cold water at a rate of 0.4 L per hour per person. Heat is transferred to the reservoir from the surroundings at 25°C at a rate of 45 W. If the COP of the refrigeration system is 2.9, determine the size of the compressor, in W, that will be suitable for the refrigeration system of this water cooler.

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Cold water 8℃ Water inlet 22 C 0.4 Lh person Water reservoir 25 C Refrigeration system Water fountain