Hot Gas Defrost A One, A More, A Time
Hot Gas Defrost A One, A More, A Time (1984)-It is convenient to think of a hot gas defrost system as if it were a steam heating system. There must be an adequate quantity of vapor, at a pressure high enough to force the vapor through the heat exchanger, and its condensate back into the return line. The condensing temperature must be warmer than whatever it is trying to heat. And, there must be a means of knowing when heating is required and when it is not required.
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