When it is cooling, it acts as a radiator, which is also a condenser, and when it is heating, it becomes a heat sink, which is also an evaporator. The compressor of the outdoor unit plays the most important role in the entire air conditioner, just like the human heart.
1. The role of the compressor
The compressor is a pump that circulates heat from the heat absorption part (evaporator) to the heat release part (condenser). When the temperature is too high, the compressor will automatically stop.
2. The role of outdoor heat exchanger
According to the refrigerant circulating in the piping, the part that exchanges heat with the air is made of copper tube (U-shaped tube) and aluminum sheet. Unlike ordinary air conditioners, the copper tube of the heat exchanger of the outdoor unit has a unique three-dimensional structure, which significantly increases the heat exchange area.
3. Square valve
This is the valve for switching between heating and cooling rooms. The throttling and pressure reducing mechanism (capillary-expansion valve) achieves the effect of reducing pressure by narrowing the path. The capillary uses a copper tube of 1.0-2.1mm, and the expansion valve uses a pulse motor valve. Open and close to decompress.
The reason why the air conditioner does not turn outside:
1. The power supply of the air conditioner is suddenly cut off
When using the air conditioner, if there is a sudden power cut in the house, or the power supply of the air conditioner is suddenly released, the external unit of the air conditioner must not be able to rotate at this time. Therefore, the lack of power is also one of the reasons why the external unit of the air conditioner does not rotate.
2. The condenser of the air conditioner is malfunctioning
When the air conditioner is used, if the condenser of the air conditioner is damaged, the service life of the air conditioner will be affected, and the external unit of the air conditioner will not be able to rotate, and normal work cannot be carried on.
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