| 摘要 |
PURPOSE:To hold indoor air corresponding to open air temperature to prevent a window glass from clouding by providing a defroster selecting means for blowing out air from a defroster jet when the open air temperature lower than a predetermined value is detected by an open air temperature detecting means. CONSTITUTION:When air temperature TA outside a compartment detected by an outdoor air temperature sensor 15 is lower than 5 deg.C set as temperature needing no cooling, the operative condition of a compressor 12 is checked by the presence of current supply command S2. When the compressor 12 is judged to be operated, the command S2 is cancelled to stop the operation of the compressor 12. And since defroster blow-out mode is selected, a control circuit 11 closes a vent door 8b and a heat door 9b, leaving a defroster door 10b opened. Thus, all conditioned air is blasted against the inside surface of a front side window glass through a defroster jet 10 to prevent said glass from clouding caused by temperature drop lower than dew point. |
