| 摘要 |
PROBLEM TO BE SOLVED: To further save the power during a power-saving operation. SOLUTION: Cold air cooled by a refrigeration unit is forcibly circulated in the storage by operating two inside fans 32, 32, whereby the storage is cooled. In the normal operation, the operation of the refrigeration unit is controlled to keep the inside of the storage at a first set temperature T1. In the power-saving operation, the operation of the refrigeration unit is controlled to keep the inside of the storage at a second set temperature T2 higher than the first set temperature T1. During the power-saving operation, an operating rate is lowered by stopping only the first inside fan 32. Whereby the power can be further saved in the power-saving operation. COPYRIGHT: (C)2004,JPO
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