Air conditioning refrigerant ( Refrigerant) What should how to refill?

As the summer coming, to the shop of vehicle detection and maintenance of air conditioning system is also more up, in addition to cleaning and maintenance of air conditioning system, the single air conditioning refrigerant ( Refrigerant) There are quite a number of filling the traffic. Now on the market of air conditioning refrigerant charging, in addition to a small amount of repair shop or store, quick fix to protect in the use of air conditioning refrigerant reclaiming and filling machine mostly use the short form of refrigerant charging tools according to the visiting survey found that most of the quick repair shop, repair shop, when using the short form refrigerant charging tool is the refrigerant bottle down, by the low voltage side filling refrigerant, the charging refrigerant is not correct? What are the effects? Below us to explain first, we must first understand the basic composition and operation principle of the air conditioning system of air conditioning system: compressor, condenser, expansion valve, liquid storage tank dry, evaporation tank, cooling fans, sensors, the operating principle of air conditioning system such as pipeline as shown: how it works: to compression of the gaseous refrigerant compressor suction low pressure low temperature work, from the refrigerant compressor discharge into the condenser for high temperature and high pressure gas refrigerants, at this time of refrigerant in the condenser via a cooling fan for cooling, high temperature and high pressure gas refrigerants into medium temperature high pressure liquid refrigerant flow condenser, and filtered through the dry liquid storage tank reaches the expansion valve, temperature in the high pressure liquid refrigerant through the expansion valve for intercepting into the evaporation tank, the inflow of a small amount of refrigerant is low pressure liquid state at this time and quickly evaporate into the low temperature low pressure gas in steel evaporation refrigerant, iterate in the compressor is compressed for doing work cycle can be seen through the air conditioning system working principle: work compressor suction and discharge for the gaseous refrigerant, then we use short form refrigerant filling tool, make down from the low pressure refrigerant bottle mouth filling liquid refrigerant is obviously wrong that what effect? Work as shown: compressor suction exhaust are both controlled by the thin valve plates, if liquid refrigerant compressor suction would cause when inhale exhaust valve plates through a large formation liquid impact phenomenon, cause the loss of the compressor power slice deformation or damage the correct refrigerant charging method should be: 1. Add refrigerant, launch vehicles, open air conditioning refrigeration, cold media bottle up, open the low voltage side valve for filling, pay attention to the filling volume 2. Replenish ourselves refrigerant: under the vacuum condition, cold media bottle down to open the high voltage side valve filling liquid refrigerant, after filling is not in, close the valve, refrigerant bottle up open the low voltage side valve filling gas refrigerants, after filling is not in, close the valve, launch vehicles, open air conditioning refrigeration, open the low voltage side valve refrigerant bottle up continue to refill gas refrigerants, pay attention to the filling quantity while filling gas refrigerant is slower, but this is to ensure that will not damage the compressor and the correct way of filling the air conditioning system, hope the above content can bring help to you! If you have different opinions, welcome to discuss!

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