| 摘要 |
PURPOSE:To confirm a change and to improve responsiveness to a change by opening and closing a water valve of a heater core at the time of changing the setting of a temperature and immediately returning to the original opening after a by-path control door of a cold air by-path is opened. CONSTITUTION:An air conditioner 10 for an automobile has a main portion comprising various apparatus provided in a duct and a control device 11. That is, in the duct, there are provided in intake door 15, a blower 16, an evaporator 17 and a heater core 18 in order. A by-path control door 20 is disposed in a cold air by-path 19 formed between the duct 12 and the heater core 18. Further, a water valve 30 is interposed in a dot-water pipe 29b of the heater core 18. On the other hans, an output signal of a temperature setting device 40 or the like is input to the control device 11. According to an output signal of the temperature setting device 40, the water valve 30 is opened and closed, and immediately after the by-path door 20 is opened, it is controlled to return to the original opening. |
