How R600A filling

refrigerator to add fluoride ( Charging refrigerant) Several methods of

1, quantitative fluoridated: quantitative filling method is simple, is to use a dedicated quantitative liquid receiver, amount of charging as stipulated in the refrigerator nameplate for filling R600A refrigerants.

2, observation method and fluorine: observation method can be summarized as 'two the three touch'. In the refrigerator work in an hour:

1) 。 The pressure gauge. Summer low pressure control in commonly 0. 05 million mpa - 0. 07 million mpa, control at zero in the winter. 02 million mpa - 0. 04 million mpa, the pressure is too high is refrigerator R600A freon add much, low pressure means less R600A refrigerants, need filling.

2) 。 The frosting condition. If the refrigerator all frost that refrigerator R600A refrigerants and get about the same, if only partially frost refrigerator R600A refrigerant less, need filling.

3。 Hand over

( 1) Touch the temperature of the condenser. If the fridge R600A freon add too much, the condenser will be hot, too little will not fever;

( 2) Touch of low-pressure back into the trachea. If muffler has a cool feeling, the normal, if back to the trachea frost, refrigerator R600A freon is overmuch, if the muffler is not cool, explain the fridge R600A refrigerant is insufficient, will need to refill this time;

( 3) Touch the filters and the temperature of the capillary. If filter drier temperature is too high, the refrigerator R600A refrigerant too much, if there is a thermal, normal, if not a fever, insufficient R600A refrigerants.

3, current measurement method

current measurement method is to use ammeter monitoring current, when the current reaches the rated current of freezer, the refrigerant filling quantity is normal, if too large, then R600A too much, if the current is small, the insufficient R600A refrigerants.

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