from freezing during cold weather by placing the pump and water tank in a heated area below the condenser as shown in Fig. ... Electric heaters in the sump pan, controlled by a thermostat, have also been used to prevent freezing. ... can be obtained in several ways by: (1) intermittent operation of the water circulating pump, (2) intermittent operation of .... William Goodman: The evaporative condenser a theory and characteristics (Heating, Piping and Air Conditioning, March 1938, p.
|Title||:||American Society of Heating, Refrigerating and Air-Conditioning Engineers Handbook and Product Directory|
|Author||:||American Society of Heating, Refrigerating and Air-Conditioning Engineers|