| 摘要 |
PROBLEM TO BE SOLVED: To provide a refrigerant filling apparatus of a refrigerating and air conditioning apparatus, which automatically finishes filling of a refrigerant after filling it with an appropriate amount, without a need to install an extra valve except for a valve provided at a refrigerant cylinder, in between the refrigerating and air conditioning apparatus and the refrigerant cylinder necessary for filling it with the refrigerant. SOLUTION: The refrigerant filling apparatus of the refrigerating and air conditioning apparatus is provided with: a refrigerant circuit having a compressor 1, a four-way valve 2, an indoor side heat exchanger 3, a pressure reducing solenoid valve 4, an outdoor side heat exchanger 3, and an accumulator 6; a refrigerant cylinder 10 connected to the refrigerant circuit; a control unit that controls filling of the refrigerant from the refrigerant cylinder 10 to the refrigerant circuit and decides refrigerant filling modes; and a display unit installed to the control unit and displaying the refrigerant filling modes. COPYRIGHT: (C)2009,JPO&INPIT
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