The use and maintenance of refrigerant R134a has a note

small make up today to introduce you to some of the use and maintenance of refrigerant R134a has a notice, want to know friends following the introduction of small make up have a look at the following article. 1, for everything refrigerant instrument, equipment and measuring tool cannot and swap with R12, as if everything in mixed with R12 can make the compression surface damage, and may also use the instrument and the equipment damage. 2, everything, and the refrigeration oil can't mix of refrigerant R12, because everything is incompatible with R12 refrigeration system of refrigerant oil. R12 refrigeration system using home-made 18, 25 frozen oil or Japanese SUNISO3GS, SUNISO4GS, SUNISO5GS frozen oil, and everything system generally USES the synthesis of poly (alkyl glycol, namely PAG ( Polyalokylene乙二醇) Oil or polyester ( 聚酯) Oil. 3, maintenance refrigeration system must wear protective glasses and gloves, avoid by all means let the liquid refrigerant in contact with the skin, particularly in the hands and eyes, in order to prevent frostbite. 4, the same as PAG oil with everything refrigerants in high temperature and low temperature area produces two layers of separation ( Both the separation) Phenomena ( FIG. 1) Therefore, need to put it on when charging the main heating of the hot water container, but not more than 40 ℃ temperature banned heating burner type of heating equipment, be sure to try to prevent two layers of separation phenomenon, lest give bad compressor exhaust pressure and refrigeration. 5, R134a has a system to use special sealing and gasket, the use of cooling oil can make the R12 system using the blister sealing ring and gasket failure, resulting in refrigerant leakage. 6, in filling R134a has a refrigerant, should keep containers of everything in the upright position, make sure that everything in gaseous way to enter the system, otherwise, everything may be to a liquid into the compression surface, make the compressor damage, in addition, filling operations must be done in the place where the air circulation, in case the operator has choked on the cylinder oxygen. Dryer (7 and reservoir Or gas-liquid separator) Must be sealed, the installation must be quickly; Otherwise, dryer air into the reservoir ( Or gas-liquid separator) After make desiccant temperature absorption ability is abate, even failure. More about everything refrigerant is introduced here is over, hope to bring you some help.

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