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(11) | EP 3 739 134 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | SANITARY CLEANING DEVICE |
| (57) A sanitary washing device comprising: a nozzle device (800) for jetting cleaning water; a washing water supply passage (900) for supplying the washing water to the nozzle device (800); a control part (130); and an operating part (290) for operating the control part (130), wherein the washing water supply passage (900) includes a water pump (516) for supplying the washing water to the nozzle device (800), a heat exchanger (700) arranged upstream of the water pump (516) and heating the washing water, and a sub tank (600) arranged upstream of the heat exchanger (700) and opening a portion of the washing water supply passage (900) to the atmosphere, the sub tank (600) includes a water level detection sensor (620) for detecting an upper limit water level and a lower limit water level of the washing water stored in the sub tank (600), and the control part (130) is configured to continue, in an initial use time, supply of water to the sub tank (600) during a predetermined time from a point of time that the water level detection sensor (620) detects the upper limit waver level for a first time, and to stop the supply of water to the sub tank (600) at a point of time that the water level detection sensor (620) detects the upper limit water level in a succeeding time. |