ATE70T1 - HOT WATER HEATING SYSTEM. - Google Patents
HOT WATER HEATING SYSTEM.Info
- Publication number
- ATE70T1 ATE70T1 AT79101975T AT79101975T ATE70T1 AT E70 T1 ATE70 T1 AT E70T1 AT 79101975 T AT79101975 T AT 79101975T AT 79101975 T AT79101975 T AT 79101975T AT E70 T1 ATE70 T1 AT E70T1
- Authority
- AT
- Austria
- Prior art keywords
- pressure difference
- switch contact
- hot water
- duct
- heaters
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 5
- 238000010438 heat treatment Methods 0.000 title abstract 3
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Sorption Type Refrigeration Machines (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
1. Hot water heating plant comprising a hot water generator including a heat source designed to be energised electrically by means of a control circuit, a heating loop including a forward duct, heaters and a return duct, temperature controlled heater valves provided at said heaters and designed to adjust the flow rate of water through the respective heater as a function of room temperature and of respective set points as set at the respective heater valves, a circulation pump interposed intermediate said hot water generator and said forward duct and comprising a pressure difference controller interconnected intermediate said forward duct and said return duct and including an overflow valve, a short-circuit connection connected in parallel to said heaters being adapted to be cleared, when a predetermined response point is exceeded, to a higher or lower degree by means of said pressure difference controller as a function of the pressure difference existing between said forward duct and said return duct, a first switch contact (56) is provided in said plant at said pressure difference controller, said switch contact (56) being closed when said overflow valve is closed and being opened when the same opens and being connected in said control circuit of said heat source, characterised in that a second switch contact (58) provided at the pressure difference controller is connected in series with the first switch contact (56) and opens at a lower pressure difference than said first switch contact (56) and that a bridging contact controlled by means of a time switch (62) is connected in parallel to said second switch contact (58).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782829415 DE2829415A1 (en) | 1978-07-05 | 1978-07-05 | HOT WATER HEATING SYSTEM |
| EP79101975A EP0006554B1 (en) | 1978-07-05 | 1979-06-15 | Hot water heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE70T1 true ATE70T1 (en) | 1981-06-15 |
Family
ID=6043530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT79101975T ATE70T1 (en) | 1978-07-05 | 1979-06-15 | HOT WATER HEATING SYSTEM. |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0006554B1 (en) |
| AT (1) | ATE70T1 (en) |
| DE (2) | DE2829415A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7343476U (en) * | 1975-01-30 | Rexroth G Gmbh | Mechanical limit switch for valves, especially hydraulic valves | |
| CH573563A5 (en) * | 1973-11-22 | 1976-03-15 | Balzers Patent Beteilig Ag | |
| DE2649033B2 (en) * | 1976-10-28 | 1981-06-25 | Wella Ag, 6100 Darmstadt | Differential pressure relief valve |
| DE2650838A1 (en) * | 1976-11-06 | 1978-05-11 | Bieri Pumpenbau Ag | Central heating pump pressure control circuit - has pressure monitors at inlet and outlet sides connected to difference measuring device |
| DE2750098C2 (en) * | 1977-11-09 | 1986-09-04 | Hans Sasserath & Co Kg, 4052 Korschenbroich | Hot water heating system |
-
1978
- 1978-07-05 DE DE19782829415 patent/DE2829415A1/en not_active Withdrawn
-
1979
- 1979-06-15 DE DE7979101975T patent/DE2960372D1/en not_active Expired
- 1979-06-15 AT AT79101975T patent/ATE70T1/en not_active IP Right Cessation
- 1979-06-15 EP EP79101975A patent/EP0006554B1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2960372D1 (en) | 1981-08-27 |
| DE2829415A1 (en) | 1980-01-24 |
| EP0006554B1 (en) | 1981-05-20 |
| EP0006554A1 (en) | 1980-01-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| REN | Ceased due to non-payment of the annual fee |