Automotive air conditioning not refrigeration cause and the solution method is introduced

1。 Refrigerant refrigeration causes too much less than

too much refrigerant, is usually caused by excessive charging refrigerant when maintenance, because refrigerants in air conditioning system, the proportion of the volume is required. If the proportion is too much, it will affect the heat, the heat release more refrigerating capacity is big; On the other hand, the less heat release the refrigerating capacity is small. Methods:

maintenance from above the drying tank liquid observed in the mirror. If the car air conditioning when running from sight in the mirror to see a little bubble, compressor stalling after also no bubble, it must be too much refrigerant. If the amount of cooling oil pressure is too much, air conditioning system during normal operation, can see more from the depending on the liquid lens opacity of bubbles. Of course, if is really too much refrigerant, can be in in the maintenance of air conditioning system low voltage side mouth slowly release some.

2。 Too little refrigerant cause lack of refrigerant

the cause of insufficient refrigerant is mostly due to trace leak refrigerant in the system. If refrigerants in air conditioning system is insufficient, the expansion valve is sprayed into the evaporator refrigerant must also be reduced, the refrigerant evaporation in the evaporator. Absorption of heat will also fall, refrigerating capacity also fell.

maintenance methods: lack of refrigerant can also from the drying chamber at the top of the sight to observe in the mirror, when air conditioning runs normally, if depending on the fluid in the mirror with continuous slow air bubbles, the lack of refrigerant. If a significant bubble flip, a serious shortage of refrigerants. If the refrigerant is insufficient, add refrigerant, but note that if the low voltage side to add, prohibited refrigerants bottle, if the ban engine starting from high voltage side to join.

3。 System in the air is lead to insufficient cooling

in the air conditioning system in the case of air into the refrigeration pipe pressure is too high, will cause bad refrigerant cycle also cause lack of refrigeration. Such failure is mainly due to the refrigeration system tightness, or are in the maintenance of vacuum is not completely. Automotive air conditioning

4. Automotive air conditioning not refrigeration suddenly - Other reasons for

air conditioning refrigeration system cooling is insufficient, the refrigeration effect becomes poor fault, usually due to refrigeration and sealing problems is relatively rare. Permeability because refrigerant used in the car now. So the sealing requirements of the system is also high, corresponding work in refrigeration pipe or valve slightly leakage will cause the lack of refrigeration failure phenomenon.

that is to introduce the car air conditioning not refrigeration suddenly some of the cause of the problem and some corresponding solutions, when we meet failure of automobile air conditioning refrigeration, can according to the above to introduce the method of simple maintenance, lest affect our use, bring us is not convenient.

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