In the use of refrigerant should pay attention to the following: 1, the instruments used for everything, 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 not compatible with R12 refrigeration system of refrigerant oil.
R12 refrigeration system using home-made 18, 25 frozen oil or Japanese SUNISO gs, SUNISO 3 4 gs, 5 gs SUNISO refrigeration oil, but everything system generally USES the synthesis of poly (alkyl deg.
3, maintenance refrigeration system a good safety protective glasses and gloves should be worn when, 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 in high temperature and low temperature area produces two layers of separation (
Both the separation)
, therefore, need to put it on when charging the main heating of the hot water container, but not more than 40 ℃ temperature is absolutely forbidden to use heating burner type of heating equipment, to prevent two layers of separation phenomenon as far as possible, lest bring compressor exhaust pressure and cooling effects.
5, everything must 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, when charging everything, should keep everything in the containers 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 should be carried out 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 quickly;
Otherwise, dryer air into the reservoir (
Or gas-liquid separator)
After make desiccant temperature absorption ability is abate, even failure.
Southern refrigeration remind you, although everything refrigerant is internationally recognized one of the main refrigerating substitute R12, can also be used to configure other mixed refrigerants, but cannot be used with mixed refrigerant R12, this will cause damage to the equipment.
However, with the increased prevalence of refrigerant gas, it has become far more affordable.
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