| 摘要 |
PROBLEM TO BE SOLVED: To reduce an installing space of a refrigerator unit. SOLUTION: A digital pressure switch 60 is operated as both a low-pressure switch and a low-pressure pressure gage. The switch 60 is mounted adjacent to a high-pressure pressure switch 53 at an upper part of a liquid receiver 15 via a mounting plate 61. A high-pressure pressure gage 62 is connected from an oil separator 13 to a stop valve 32 for a service via a capillary tube 63, and mounted adjacent to the switch 52 at an upper position of the switch 60 via the plate 61.
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