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Technical information Air-Conditioning Heat Pump Theory

Theory Of Heat Pump

Heat pump theory is based on the principle that the heat will move with a higher temperature to a lower temperature. Thus, heat exchange coil kept at a lower temperature than its surroundings will be taking the heat. If the evaporator refrigeration systems have been installed and operated in the open air at a temperature of refrigerant 0F (-18C), it will remove heat from the air even if the outside temperature was only 10F 15F ( 12C to 9C). If the evaporated refrigerant is compressed to a temperature of 120F to 140F (49C to 60C), hot refrigerant will release the heat in the room where the condenser is located.

Evaporator and condenser functions can be turned on using the system valves. When capacitor becomes the evaporator heat can be removed before the living area during hot weather and discharged to the outdoors. Evaporator and condenser are of heat-transfer devices. They can be used for cooling (picking up heat), heating (releasing heat). The idea of using the refrigeration unit as a heating mechanism was first proposed by the Scottish scientist William Thomson (Lord Kelvin) more than 100 years ago. For more than 30 years had passed before such a device was built.

The heat pump is sometimes called "reverse-cycle" mechanism. Nevertheless, the cycle is not actually recovered. Only the evaporator and condenser functions are interchangeable. Thus, the name "reverse cycle" is not technically correct...

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