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Consumer Electronics by S. P. Bali

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REFRIGERANTS

Refrigerants are heat carrying mediums which during their cycle in the refrigeration system absorb heat at a low temperature level and discard the heat so absorbed at a higher level.

These refrigerants have been used since the 1930s because of their excellent characteristics. They have good physical properties for performance temperatures, pressure, oil mixing feature, heat transfer, specific, etc. They are non-toxic, stable, and inexpensive.

Chlorofluorocarbons (CFCs) are composed of chlorine, fluorine, and carbon atoms. Some in this group are R11, R12, and R114. Hydrochlorofluorocarbons (HCFCs) are composed of hydrogen, chlorine, fluorine, and carbon atoms. Some in this group are R122 and R123. Hydrofluorocarbons (HFCs) are composed ...

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