In indicatory means and the aforementioned refrigerant circuit which refrigerant restoration manner to the freezer storage air conditioner, the refrigerant

摘要

PROBLEM TO BE SOLVED: To provide a refrigerant filling method of a refrigerating air conditioning apparatus capable of determining a condition of refrigerant amount of a refrigerant circuit of deficient, proper and excess conditions, and displaying the same to a worker.;SOLUTION: This refrigerant filling method and apparatus of the refrigerating air conditioning apparatus comprises a determining-displaying step 105 for determining the condition of the refrigerant amount of the refrigerant circuit of the deficient, proper and excess conditions by a refrigerant amount determining means 22 and displaying a result of the determination on a display means 23, a refrigerant filling step 106 for continuing an operation of the compressor 1, and filling the refrigerant circuit with the refrigerant by operating an opening/closing valve 9 provided in a refrigerant supply device 10 during the refrigerant amount determination result of the determining-displaying step 105 is in the refrigerant deficient state, and a stopping/displaying step 105 for stopping the compressor 1 and displaying the refrigerant amount condition by the display means 23 when the refrigerant amount is proper or excess as the result of the determination of the refrigerant amount in the determining-displaying step 105.;COPYRIGHT: (C)2009,JPO&INPIT