| 摘要 |
An outdoor unit of an air conditioner includes a plurality of constant capacity compressors, a variable capacity compressor and a controller. The plurality of constant capacity compressors compress refrigerant in a predetermined capacity. The variable capacity compressor is capable of having its capacity changed and compressing varying amounts of refrigerant. The controller sequentially causes the plurality of constant capacity compressors to start up and regulates the operating frequency of the variable capacity compressor after start up of the plurality of constant capacity compressors.
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