JPS5254253A - Freezing-preventive device for warm water-circulating room-heating sys tem - Google Patents
Freezing-preventive device for warm water-circulating room-heating sys temInfo
- Publication number
- JPS5254253A JPS5254253A JP12991375A JP12991375A JPS5254253A JP S5254253 A JPS5254253 A JP S5254253A JP 12991375 A JP12991375 A JP 12991375A JP 12991375 A JP12991375 A JP 12991375A JP S5254253 A JPS5254253 A JP S5254253A
- Authority
- JP
- Japan
- Prior art keywords
- warm water
- freezing
- preventive device
- sys tem
- circulating room
- 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
Links
Abstract
PURPOSE: A warm water-circulating room-heating system which is stationary at an abovefreezing-point basic (or standard) temperature to be determined by various factors, is automatically operated to circulate warm water through a piping so that occurrence of inability of operation or other troubles can be prevented.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12991375A JPS5254253A (en) | 1975-10-30 | 1975-10-30 | Freezing-preventive device for warm water-circulating room-heating sys tem |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12991375A JPS5254253A (en) | 1975-10-30 | 1975-10-30 | Freezing-preventive device for warm water-circulating room-heating sys tem |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5254253A true JPS5254253A (en) | 1977-05-02 |
Family
ID=15021481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12991375A Pending JPS5254253A (en) | 1975-10-30 | 1975-10-30 | Freezing-preventive device for warm water-circulating room-heating sys tem |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5254253A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS586119U (en) * | 1981-07-06 | 1983-01-14 | 大阪瓦斯株式会社 | Antifreeze device for heating equipment |
US4459815A (en) * | 1981-04-07 | 1984-07-17 | Mitsubishi Denki Kabushiki Kaisha | Air conditioner |
JPH037817A (en) * | 1989-06-02 | 1991-01-16 | Shimizu Corp | Anti-freezing system for warm water coil in air conditioner |
-
1975
- 1975-10-30 JP JP12991375A patent/JPS5254253A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4459815A (en) * | 1981-04-07 | 1984-07-17 | Mitsubishi Denki Kabushiki Kaisha | Air conditioner |
JPS586119U (en) * | 1981-07-06 | 1983-01-14 | 大阪瓦斯株式会社 | Antifreeze device for heating equipment |
JPH037817A (en) * | 1989-06-02 | 1991-01-16 | Shimizu Corp | Anti-freezing system for warm water coil in air conditioner |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS52129051A (en) | Control device for automatic ice maker | |
JPS5254253A (en) | Freezing-preventive device for warm water-circulating room-heating sys tem | |
JPS5439549A (en) | Multiple processor | |
JPS5289238A (en) | Pipe for preventing fracture due to freezing | |
JPS5286610A (en) | Apparatus for preventing dripping of drain | |
JPS51150136A (en) | Piping for water heater | |
JPS53133966A (en) | Waste-water treating system | |
JPS53124347A (en) | Water quality controller | |
JPS5224354A (en) | A feed water unit | |
JPS521538A (en) | Automatic extinguish device for combustion | |
JPS5436494A (en) | Water feeding device of reactor | |
JPS5241593A (en) | Dissolved oxygen system | |
JPS5337341A (en) | Information processor | |
JPS5416022A (en) | Fuel percolation preventive device for engine | |
JPS5257550A (en) | Saturation drain system cooling device of steam air preheater | |
JPS5263505A (en) | Turbine controller | |
JPS51126553A (en) | Ice saving detecting device for an automatic ice machine | |
JPS5439704A (en) | Drain system for water heater | |
JPS5263504A (en) | Turbine controller | |
JPS5259237A (en) | Reserve tank limited water volume detective system of engine cooler | |
JPS5412086A (en) | Control system for velocity violation | |
JPS5243187A (en) | Automatic shearing machine | |
JPS51132395A (en) | Cooling system control device at time of stop for reactor operation | |
JPS5351305A (en) | Self evaporating preventive process of drain in branch pipe | |
JPS51137942A (en) | Hot water supplying device |