| 摘要 |
PROBLEM TO BE SOLVED: To provide a controller for an air conditioner capable of deciding refrigerant leakage with a simple configuration. SOLUTION: By providing a special operation mode 1001 that is not normal operation and fixing 1003 a frequency/air direction/airflow rate or the like in a predetermined regular state, a current value/input value or the like is compared 1005 with that in a predetermined regular state. By deciding that a refrigerant is leaked when it is not within a regular value range, a system allows accurate grasp of a sealing state of the refrigerant. COPYRIGHT: (C)2006,JPO&NCIPI
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