JPS55137433A - Controlling system for hot-water heat source - Google Patents
Controlling system for hot-water heat sourceInfo
- Publication number
- JPS55137433A JPS55137433A JP4346079A JP4346079A JPS55137433A JP S55137433 A JPS55137433 A JP S55137433A JP 4346079 A JP4346079 A JP 4346079A JP 4346079 A JP4346079 A JP 4346079A JP S55137433 A JPS55137433 A JP S55137433A
- Authority
- JP
- Japan
- Prior art keywords
- pump
- turned
- pressure
- heat source
- relay
- 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
Landscapes
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
PURPOSE: To improve operating property by a system wherein a low-head large- discharge pump and a high-head small-discharge pump are connected in parallel to a hot-water supply circuit, and a heat source is controlled automatically for operation with a pressure switch provided on discharge side of the pumps.
CONSTITUTION: Since pressure does not work on a system entirely at first, a pressure switch 7 is turned on from turning a power switch 8 to ON position, and a relay SP for operation of a signal pump 4 is actuated. When a pressure working on the pressure switch 7 reaches a set point or over by operation of the signal pump 4, the pump 4 is turned off. From opening a valve 9 for a fan convector 6, a passage for hot water opens to drop the pressure, a contact Pb of the pressure switch 7 is turned on to actuate the pump 4. After passing given period of time under this state, a delay timer TR is turned on, a relay MP for operation of a main pump 3 and a relay B for operation of a heat source are turned on, thus commencing heating.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4346079A JPS55137433A (en) | 1979-04-09 | 1979-04-09 | Controlling system for hot-water heat source |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4346079A JPS55137433A (en) | 1979-04-09 | 1979-04-09 | Controlling system for hot-water heat source |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55137433A true JPS55137433A (en) | 1980-10-27 |
Family
ID=12664312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4346079A Pending JPS55137433A (en) | 1979-04-09 | 1979-04-09 | Controlling system for hot-water heat source |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55137433A (en) |
-
1979
- 1979-04-09 JP JP4346079A patent/JPS55137433A/en active Pending
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