Purpose of Refrigerants: Absorbs heat from the environment and releases it elsewhere, enabling air conditioning and refrigeration.
Key Components:
Compressor: Compresses low-temperature, low-pressure refrigerant into high-temperature, high-pressure vapor.
Condenser Coils: Refrigerant releases heat and changes from vapor to liquid.
Metering Device: Lowers the temperature and pressure of the refrigerant by allowing small amounts through.
Evaporator Coils: Refrigerant absorbs heat and changes from liquid to vapor, cooling the air.
Heat Pumps: Reverse the refrigeration process to heat spaces by using a reversing valve.
Proper System Charging: Essential for efficient operation and maintaining desired temperatures.
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