Title:
WATER HEATER
Document Type and Number:
Japanese Patent JP2019095160
Kind Code:
A
Abstract:
To effectively suppress high temperature tapping even when a hot water supply circuit is used after single use of a bath circuit in a one-can and two-channel type water heater.SOLUTION: When termination of reheating in a bath circuit is confirmed in S1, a controller executes circulation of hot water in the bath circuit by operating a pump in S2. Thus heat of a hot water supply heat pipe heated in single use of the bath circuit is transferred to a bath heat transfer pipe, and hot water temperature in the hot water supply heat transfer pipe is lowered. When it is confirmed that a detection temperature of the hot water supply heat transfer pipe obtained from a water pipe thermistor becomes 60°C or less by determination in S3, and an outlet temperature obtained from a hot water supply heat exchanger thermistor becomes 60°C or less by determination in S4, the controller stops an operation of the pump in S5, and the control is terminated.SELECTED DRAWING: Figure 2
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Inventors:
YOSHIKAWA KOICHIRO
Application Number:
JP2017227168A
Publication Date:
June 20, 2019
Filing Date:
November 27, 2017
Export Citation:
Assignee:
PALOMA LTD
International Classes:
F24H1/00
Domestic Patent References:
| JPH10300198A | 1998-11-13 | |||
| JP2006010300A | 2006-01-12 | |||
| JPH08233357A | 1996-09-13 |
Attorney, Agent or Firm:
Yoshiki Ishida
Kyoichi Ueda
Kyoichi Ueda