To maintain drying performance well by removing an accumulation of lint in a dehumidifier in a drying means having the dehumidifier eliminating moisture from air circulating in a washing tub.

The dehumidifier 38 is equipped with a water supply device 51 for supplying water to clean the dehumidifier 38 (to wash out the lint L). The water is supplied by the water supply device 51 at the time of discharging water in a washing process, during a drying process, or in a period between the end of the drying process in this operation and the start of the first supply of water into the washing tub in the next operation.