Title:
浄化機能付風呂給湯器
Document Type and Number:
Japanese Patent JP4055320
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a bath hot water supply apparatus which washes a bathtub water purification means even when a water level cannot be detected because of failure of a bathtub water level sensor and the like. SOLUTION: There are provided heating parts 4 and 18 which heat a bathtub water to a hot water, a bathtub water purification means 26 which purifies a foul of bathtub water flowed by a circulation pump 22, a purification function washing means wherein a washing water is allowed to flow in the direction opposite to that of bathtub water at purification to discharge the foul accumulated at the bathtub water purification means, and a control means 41 which makes the purification function washing means carry out washing on the signal of a bathtub water level sensor 24 which detects a specified dropped water level caused by water discharge. The control means, when the bathtub water level sensor cannot detect a water level, controls the purification function washing means on the signal of a water stream switch 17 which judges presence of bathtub water by action of the circulation pump. Thus, the purification function washing means is operated even if the bathtub water level sensor is in disorder.
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Inventors:
Kazuhito Uehara
Application Number:
JP2000058455A
Publication Date:
March 05, 2008
Filing Date:
March 03, 2000
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
F24H1/00; F24H9/00
Domestic Patent References:
| JP8261568A | ||||
| JP894181A | ||||
| JP6114380A |
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano
Hiroki Naito
Daisuke Nagano