| 摘要 |
In a vehicle air conditioner, a refrigerant cycle system is constructed to switch a cooling refrigerant cycle where an interior heat exchanger is used as an evaporator, and a hot gas heater cycle where the interior heat exchanger is used as a radiator. Further, determining means of a control unit determines whether the interior heat exchanger has a quantity of retained water in a heating mode with the hot gas heater cycle. When the determining means determines that the interior heat exchanger has the quantity of retained water in the heating mode while a blower stops, operation of the heating mode is stopped. On the other hand, when the determining means determines the interior heat exchanger does not have the quantity of retained water in the heating mode while the blower stops, the operation of the heating mode is performed.
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