CONTROL METHOD FOR ADDING WATER TO BATH

Japanese Patent JP2779487

B2

PURPOSE: To keep a drop of water temperature in a bathtub effected by one water- adding operation approximately constant regardless of seasons by providing a water temperature meter for detecting water temperature of water added to the bathtub and controlling the amount of the additional water in such a manner that the amount of the additional water is increased as the detected water temperature becomes higher.
CONSTITUTION: A water circuit 3 for supplying hot water from a heat exchanger 10 provided in a bath heater 1 to a bathtub 2 is provided with an open/close valve 4 and a water level sensor 41 for detecting water level in the bathtub and the water circuit 3 in an upstream side of the bath heater 1 is provided with a water temperature meter 5. An additional water amount measuring device 74 for measuring the amount of city water supplied to the heat exchanger 10 is provided in a further upstream side. When a water addition switch 25 is turned on, the open/close valve 4 is opened by a control device 7 and temperature detected by the water temperature meter 5 is written on a water temperature memory and a variable is set to a specified value. If the detected temperature is lower than a value read out from a table corresponding to the variable, an amount of additional water which corresponds to the temperature is selected and the additional water is supplied to the bathtub.

KAGAMI YOZO

JP28085595A

July 23, 1998

October 27, 1995

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RINNAI KK

A47K3/00; E03C1/05; F24H1/00; G05D9/12; G05D23/00; (IPC1-7): F24H1/00; A47K3/00; E03C1/05; G05D9/12; G05D23/00

JP63168754U

Yoshihiro Sakagami (1 outside)

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