Where is the air conditioner condenser?

- May 14, 2018-

When the home air conditioner is cooling, the heat exchanger in the outdoor unit is called a condenser, and the heat exchanger in the indoor unit is called an evaporator. The exothermic process of the condenser, which exchanges the high-temperature and high-pressure gaseous freon with the air in the outdoor, becoming a low-temperature and high-pressure liquid freon.


The condenser is the high-pressure equipment of the system when the outdoor heat exchanger is cooling (the cold and warm heat pump type is the low-pressure equipment in the heating state), and is installed between the compressor exhaust port and the throttling device (capillary or electronic expansion valve). The high-temperature and high-pressure gas (Freon) discharged from the air-conditioning compressor enters the condenser and is cooled and cooled by copper tubes and aluminum foil. Axial flow cooling fans are installed in air conditioners. They are air-cooled. When the refrigerant is cooled and condensed, the pressure is constant and the temperature is reduced. The gas is converted into liquid.


The process of refrigerant change in the condenser can theoretically be seen as an isothermal process. In fact, it has three functions. First, the air takes away the overheated part of the high-temperature air-conditioning refrigerant gas sent from the compressor, making it a dry saturated vapor. The second is to liquefy at a constant saturated temperature. Third, when the air temperature is lower than the condensing temperature, the liquefied refrigerant is further cooled to the same temperature as the ambient air and plays a cooling role. 


When we check air conditioners, we mainly inspect the condensers of the air conditioners and clean the surface of the condensers. If there is too much dust, it must be cleaned in time and the compressed air must be blown clean. When we conduct inspections, we must check the performance of the various switches and control components, check the reliability of their performance, and whether the air conditioner has any fluorine deficiency. If the vehicle's refrigerant is insufficient, this will cause the air conditioner to lose its cooling effect. In addition, it must be noted whether the refrigerant leaks. It is also possible to effectively treat parts of the surface of the compressor by observing that the surface of the compressor, the hoses and the oil traces at the joints are treated in a timely manner.


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