In this system the refrigerant vapour is pumped by the compressor directly to the evaporator during the defrosting cycle and the heat given ... An arrangement of such a system is shown on the attached diagram. ... operation of a switch which closes the circuit of the gas valve and electric heater and at the same time opens the circuit to the cooler fan. ... With this system, air coolers and sub-zero rooms can be defrosted in 10 to 15 minutes with the rise in temperature of the chamber held toanbsp;...
|Title||:||Proceedings of the Eighth International Congress of Refrigeration, London, August 29th to September 11th, 1951|
|Author||:||International Institute of Refrigeration|
|Publisher||:||The Congress - 1951|