| 摘要 |
An outdoor unit has at least a variable-capability compressor and an outdoor heat exchanger coupled thereto. A plurality of indoor units each have at least an indoor heat exchanger and a section for outputting demand-capability data according to an air-conditioning load of the indoor heat exchanger. A distributing unit serves to couple the outdoor unit and the plurality of indoor units in parallel to form respective refrigeration cycles, and has a plurality of refrigerant flow controllers corresponding to the respective refrigeration cycles. A first controller sends refrigerant flow control commands associated with the demand-capability data of the indoor units to the refrigerant flow controllers of the distributing unit and outputs sum data of the demand-capability data. A second controller sends a capacity-change control command to the variable-capability compressor of the outdoor unit, in accordance with the sum data from the first controller. A refrigerant super-heat detector detects a degree of refrigerant super-heat in each indoor unit. A third controller sends refrigerant flow compensation commands, associated with a detection output of the refrigerant super-heat detector, to the respective refrigerant flow controllers of the distributing unit.
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