| 摘要 |
PURPOSE:To prevent both overcooling and overheating and obtain a comfortable nap state by providing a nap switch and reducting cooling or heating performance at a specified rate a preset time after the switch is actuated. CONSTITUTION:When a nap switch 30 is turned on while a required air conditioning operation is being performed, an output is issued from a timer circuit 67 a preset time later and NOR circuits 47 and 60 are set to ''0''. On the other hand, a zero signal is sent to the other input ends of NAND circuits 44 to 46, 58, and 59 from an inversion circuit 68 and their outputs are set to ''1''. Consequently, the output of inversion circuits 53 and 63 is set to ''1'' and the mode switching door and inside and outside air switching door controlled by motors 38 and 40 are set to a specified mode. In addition, at this time, it is determined whether heating or cooling operation is required. As a result, the preset temperature of a temperature regulator 26 is let to descend down (to ascend up) to a specified level with a set point regulator 78 during heating (cooling) operation. |
