| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve a problem of degradation of reliability in operation caused by a bit of shortage of a refrigeration oil of a compressor as a large amount of the refrigeration oil is accumulated in a part of inter-unit piping, in a case when an outdoor unit loading a compressor of a large displacement volume is stopped and an outdoor unit loading a compressor of a small displacement volume is operated, during a partial load.SOLUTION: An outdoor unit 200 loading a compressor of a large displacement volume (capacity) and an outdoor unit 100 loading a compressor of a small displacement volume (capacity) are installed so that a branch pipe 240 of an inter-unit pipe 400 connecting the outdoor unit 200 loading the compressor of a large displacement volume and indoor units 300, 310, becomes shorter than a branch pipe 140 of an inter-unit pipe 400 connecting the outdoor unit 100 loading the compressor of a small displacement volume and the indoor units 300, 310.</p> |
