JPS5533526A - Control circuit for hot-water heater - Google Patents

Control circuit for hot-water heater

Info

Publication number
JPS5533526A
JPS5533526A JP10612178A JP10612178A JPS5533526A JP S5533526 A JPS5533526 A JP S5533526A JP 10612178 A JP10612178 A JP 10612178A JP 10612178 A JP10612178 A JP 10612178A JP S5533526 A JPS5533526 A JP S5533526A
Authority
JP
Japan
Prior art keywords
level
cistern
relay
transistor
water
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
JP10612178A
Other languages
Japanese (ja)
Inventor
Nobuo Onishi
Shozo Takemura
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 JP10612178A priority Critical patent/JPS5533526A/en
Publication of JPS5533526A publication Critical patent/JPS5533526A/en
Pending legal-status Critical Current

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  • Details Of Fluid Heaters (AREA)

Abstract

PURPOSE: To prevent the idling of a pump and no-load burning by keeping the water amount in a cistern at the required water amount for heating.
CONSTITUTION: With the water level in a cistern 1 at a level A, the output of a voltage comparator 11 is L and a transistor 13 is off, so that a relay 14 does not function and its contact 14a is open. With the water level lowered to a level C, the output of the comparator 11 becomes H and the transistor 13 turns on, so that the relay 14 functions and its contact 14a closes; as a result, a current is fed to a solenoid valve 3 and the water supply for the cistern 1 is started. With the water level raised to the level A, the output of the comparator 11 becomes L and the transistor 13 turns off; as a result, the relay 14 returns and the contact 14a opens to stop the current supply for the solenoid valve 3.
COPYRIGHT: (C)1980,JPO&Japio
JP10612178A 1978-08-29 1978-08-29 Control circuit for hot-water heater Pending JPS5533526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10612178A JPS5533526A (en) 1978-08-29 1978-08-29 Control circuit for hot-water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10612178A JPS5533526A (en) 1978-08-29 1978-08-29 Control circuit for hot-water heater

Publications (1)

Publication Number Publication Date
JPS5533526A true JPS5533526A (en) 1980-03-08

Family

ID=14425602

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10612178A Pending JPS5533526A (en) 1978-08-29 1978-08-29 Control circuit for hot-water heater

Country Status (1)

Country Link
JP (1) JPS5533526A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59145619U (en) * 1983-03-18 1984-09-28 東陶機器株式会社 hot water storage device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938240A (en) * 1972-08-17 1974-04-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938240A (en) * 1972-08-17 1974-04-09

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59145619U (en) * 1983-03-18 1984-09-28 東陶機器株式会社 hot water storage device

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