Lack of freon household refrigerator how to judge?

a, open the refrigerator, under the small lid, you can see the compressor has three pipe:

when the refrigerator compressor work after a period of time, can use the hand to touch the tube temperature.

1, on the right is the high pressure exhaust pipe, high temperature.

high pressure exhaust pipe, the purpose is to compress refrigerant into a high pressure high temperature gas, the process of refrigerant is compressed to fever, so high pressure pipe should be hot.

2, on the left is low pressure back into the trachea. Low pressure pipe is for the use of refrigerant recycling, through the evaporator is low temperature evaporation of refrigerant.

3, isothermal with compressor. In the middle of the root is process pipe, add refrigerant, because it is very short so warm with compressor.

2, refrigerator not refrigeration, but compressor have started buzzing sound. Explain the lack of fluorine, rust craze, may also be a evaporator refrigerant leakage.

3, the thermostat to 0 file type, or the thermostat bad, the compressor does not start. Carefully listen to the compressor to run if there is a voice.

4, compressor is bad. This possibility will, too. Is the boot after no fever, no vibration, no noise. But must first rule out the problem of the thermostat.

five, there is no refrigerant, shall be added freon, different types of compressors, choose the type of freon is different, in the refrigerator compressor shell marked.

current household refrigerators, freezers for widely used refrigerants R600A, it is found to close to the cooling performance of a refrigerant R12, and relatively save usage, only 1/3 of the refrigerant R12, the effect is better.

at present, the common refrigerator refrigerants used widely is R600A, basically the new, more than 90% of the household refrigerator were R600A refrigerants.

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