| 摘要 |
PROBLEM TO BE SOLVED: To provide an air conditioner and its failures in operation deciding method, capable of rapidly and reliably detecting a failure in operation of the air conditioner, without being influenced by the environment conditions. SOLUTION: A failure in operation deciding method for an air conditioner, having a valve to regulate a flow rate of a refrigerant running from a condenser toward an evaporator comprises a process (S5), where a valve is caused to effect closing operation during operation of the air conditioner; a measuring process wherein the operation condition of the air conditioner changing due to closing operation is measured; and a decision process (S6) in which the occurrence of a failure in operation of the air conditioner is decided by using measurement of measured operating conditions. |
