| 摘要 |
A refrigerating apparatus including three compressors ( 2 A, 2 B, 2 C) and application side heat exchangers ( 41 ) ( 45, 51 ) for two channels is formed so that a first compressor ( 2 A) is used only for the application side heat exchangers ( 45, 51 ) in a first channel of a circuit, a third compressor ( 2 C) is used only for the application side heat exchanger ( 41 ) in a second channel of the circuit, and a second compressor ( 2 B) is used in a switchable manner between the application side heat exchangers ( 45, 51 ) in the first channel of the circuit and the application side heat exchanger ( 41 ) in the second channel of the circuit. Thus, not only the pipe arrangement at suction side is simplified, but also operation control is streamlined.
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