| 摘要 |
PURPOSE:To enable air cleaning under economical operation, by providing an automatic operation mode for acting in the order of strong operation, weak operation and stop and providing a timer for forcibly performing strong operation or weak operation in a constant time. CONSTITUTION:A mode changeover means for changing over the operation mode of the motor M of a fan to 'strong operation', 'weak operation' and 'stop' is provided to the control part 1 of the electric circuit of an air cleaner. Both a strong operation timer 4 and a weak operation timer 5 which act by receiving clock input are provided to the control part 1. The time of strong operation or weak operation can be set by action of these timers in the automatic operation. Therefore since automatic operation can be performed in the order of strong operation, weak operation and stop, a trouble for changing over the operation mode can be omitted. |
