JPS5737637A - Control of hot water heater - Google Patents

Control of hot water heater

Info

Publication number
JPS5737637A
JPS5737637A JP11387880A JP11387880A JPS5737637A JP S5737637 A JPS5737637 A JP S5737637A JP 11387880 A JP11387880 A JP 11387880A JP 11387880 A JP11387880 A JP 11387880A JP S5737637 A JPS5737637 A JP S5737637A
Authority
JP
Japan
Prior art keywords
temperature
hot water
control
sensing element
variable resistor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP11387880A
Other languages
Japanese (ja)
Inventor
Nobuo Onishi
Yoshiyuki Adachi
Eiichi Oizumi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP11387880A priority Critical patent/JPS5737637A/en
Publication of JPS5737637A publication Critical patent/JPS5737637A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To keep the temperature of a shower constant by a method wherein a circuit including a control temperature sensing element and a temperature controlling variable resistor is provided in an electronic circuit of the hot water heater having a heating coil in a heating water circulation circuit and a low temperature control operation is performed with a gentle temperature gradient.
CONSTITUTION: The control temperature sensing element 30 for driving a temperature controlling proportional control valve 5 is provided in the heating water circulation circuit of the hot water heater and is conncted to the temperature controlling variable resistor 31 through a hot water supply float switch 33. When a switch 32 is closed, a large electric current flows through the amplifying proportional control valve 5 so that the temperature of transistors 7 and 6 rise. Then, when the temperatures of the transistors 7 and 6 rise further, a base voltage of a transistor 11 drops so that the transistor 11 is operated through a resistor 27 and the valve 5 is closed. Further, when the resistance of the variable resistor 31 becomes minimum, the resistance of a thermistor becomes large of necessity so that the temperature sensing element operates at a low temperature enabling the temperature of the hot water to be controlled and the gradient of the control temperature of a low temperature section becomes gentle to thereby facilitate the use of the hot water.
COPYRIGHT: (C)1982,JPO&Japio
JP11387880A 1980-08-18 1980-08-18 Control of hot water heater Pending JPS5737637A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11387880A JPS5737637A (en) 1980-08-18 1980-08-18 Control of hot water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11387880A JPS5737637A (en) 1980-08-18 1980-08-18 Control of hot water heater

Publications (1)

Publication Number Publication Date
JPS5737637A true JPS5737637A (en) 1982-03-02

Family

ID=14623374

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11387880A Pending JPS5737637A (en) 1980-08-18 1980-08-18 Control of hot water heater

Country Status (1)

Country Link
JP (1) JPS5737637A (en)

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