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BS 6880-2:1988

Current
Current

The latest, up-to-date edition.

Code of practice for low temperature hot water heating systems of output greater than 45 kW Selection of equipment
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

29-02-1988

Foreword
Committees responsible
Section one. General
1.1 Scope
1.2 Definitions
Section two. Principal equipment groups and standards
2.1 Principal equipment groups
2.2 Equipment standards
Section three. Utilization equipment
3.1 Natural convectors: types
3.2 Natural convectors: selection factors
3.3 Forced convectors: types
3.4 Forced convectors: selection factors
3.5 Heated ceilings and walls: types
3.6 Heated ceilings and walls: selection factors
3.7 Floor heating systems: types
3.8 Floor heating systems: selection factors
Section four. Distribution equipment
4.1 General
4.2 Circulating pumps: types
4.3 Circulating pumps: selection factors
4.4 Pressurization equipment: types
4.5 Pressurization equipment: selection factors
Section five. Energy conversion equipment
5.1 Boilers and combustion equipment: types
5.2 Boilers and combustion equipment: selection
      factors
5.3 Boiler and combustion ancillaries: types
5.4 Boiler and combustion ancillaries: selection
      factors
5.5 Heat exchangers and thermal storage vessels: types
5.6 Heat exchangers: selection factors
5.7 Direct electric energy conversion equipment
5.8 Heat pumps: types
5.9 Heat pumps: selection factors
Section six. Automatic controls, instrumentation and
monitoring
6.1 Control loops and sensing elements: types
6.2 Controllers: types
6.3 Controlled devices: types
6.4 Centralized control and monitoring: types
6.5 Controls: selection factors
Appendix
A. Bibliography
Tables
1. Maximum tolerable air velocities
2. Maximum floor surface temperatures
3. Pressure and temperature classes for circulating
     pumps complying with BS 1394: Part 1
4. Density of water
5. Recommended minimum boiler operating efficiencies
     (50% to 100%) full load
6. Maximum working pressures and temperatures for
     calorifiers complying with BS 853 (grade A)
7. Recommendations for control valve authority
8. Recommended control valve characteristics
Figures
1. Common radiator connections
2. Typical continuous natural convector types
     (section at wall)
3. Typical forced convector types
4. Typical arrangement of vertical and horizontal
     industrial unit heaters showing key dimensions
5. Principal elements of floor heating system
6. Typical circulating pump types
7. Pump characteristics and selection
8. Principal elements of feed and expansion systems
9. Typical arrangement of horizontal (above ground)
     oil storage tanks
10. Typical hot-oil ring main arrangement
11. Principal tube heat exchanger (calorifier) types
12. Plate type heat exchanger
13. Principal elements of heat pump system
14. Typical expansion valve arrangements
15. Basic heat pump performance concepts
16. Form of heat output and power input data for
     varying operating conditions
17. Simple on/off control loop
18. Simple modulating control loop
19. Typical compensator schedule
20. Typical control valves
21. Typical two-port control valve application
22. Typical three-port control valve applications
23. Typical control valve characteristics

The types of low temperature hot water heating equipment which are in common use and the selection of such equipment when designing open vented or sealed systems.

This Part of BS 6880 gives recommendations regarding the types of low temperature hot water (see 1.2.1) heating equipment which are in common use and the selection of such equipment when designing low temperature hot water heating systems of output greater than 45 kW, open vented or sealed. It is primarily intended for use by building owners, building managers, installers and associated professionals. It is not intended to serve as a detailed design guide (see foreword).

The recommendations recognize the need to optimize the use of energy, reduce hazards and minimize effects detrimental to the environment.

Solar heating is outside the scope of this code.

NOTE The titles of the British Standards publications referred to in this standard are listed on page 82. References in the text to other publications are identified in the text by numbers in square brackets, and are listed in Appendix A.

Committee
RHE/2
DevelopmentNote
Supersedes 85/70687 DC and BS CP341.300-307(1956) (09/2005) Reviewed and confirmed by BSI, December 2012. (11/2012)
DocumentType
Standard
Pages
90
PublisherName
British Standards Institution
Status
Current
Supersedes

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BS 5440-2:1976 Installation of flues and ventilation for gas appliances of rated input not exceeding 60 kW (1st, 2nd and 3rd family gases). Air supply
BS DD65-1(1979) : 1979 METHODS OF TYPE TESTING HEATING BOILERS FOR THERMAL PERFORMANCE - DIRECT METHOD
BS 4999-20:1972 Specification for general requirements for rotating electrical machines Classification of types of enclosure
BS 4504-3.1:1989 Circular flanges for pipes, valves and fittings (PN designated). Steel, cast iron and copper alloy flanges Specification for steel flanges
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BS CP312-3(1973) : 1973 CODE OF PRACTICE FOR PLASTICS PIPEWORK (THERMOPLASTICS MATERIAL) - POLYETHYLENE PIPES FOR THE CONVEYANCE OF LIQUIDS UNDER PRESSURE
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BS 2871-1:1971 Specification for copper and copper alloys. Tubes Copper tubes for water, gas and sanitation
BS 5440-1:1978 Installation of flues and ventilation for gas appliances of rated input not exceeding 60 kW (1st, 2nd and 3rd family gases). Flues
BS 6798:1987 Specification for installation of gas-fired hot water boilers of rated input not exceeding 60 kW
BS 5955-6:1980 Plastics pipework (thermoplastics materials) Code of practice for the installation of unplasticized PVC pipework for gravity drains and sewers
BS 5978-2:1983 Safety and performance of gas-fired hot water boilers (60 kW to 2 MW input). Specification for additional requirements for boilers with atmospheric burners
BS 6880-1:1988 Code of practice for low temperature hot water heating systems of output greater than 45 kW Fundamental and design considerations
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BS 6700:1987 Specification for design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages
BS 5304:1988 Code of practice for safety of machinery
BS 5793-2.1(1979) : 1979 AMD 7816 INDUSTRIAL PROCESS CONTROL VALVES - FLOW CAPACITY - SIZING EQUATIONS FOR INCOMPRESSIBLE FLUID FLOW UNDER INSTALLED CONDITIONS
BS 799-4:1972 Specification for oil burning equipment Atomizing burners over 36 litres per hour and associated equipment for single burner and multi burner installations
BS 5885(1980) : AMD 5019 INDUSTRIAL GAS BURNERS, OF INPUT RATING 60 KW AND ABOVE
BS 4434:1989 Specification for safety aspects in the design, construction and installation of refrigerating appliances and systems
BS CP312-2(1973) : 1973 AMD 2337 CODE OF PRACTICE FOR PLASTICS PIPEWORK (THERMOPLASTICS MATERIAL) - UNPLASTICIZED PVC PIPEWORK FOR THE CONVEYANCE OF LIQUIDS UNDER PRESSURE
BS DD65-2(1982) : 1982 METHODS OF TYPE TESTING HEATING BOILERS FOR THERMAL PERFORMANCE - INDIRECT METHOD
BS 1523(1954) : LATEST
BS 3274:1960 Specification for tubular heat exchangers for general purposes
BS 5978-3:1983 Safety and performance of gas-fired hot water boilers (60kW to 2 MW input) Specification for additional requirements for boilers with forced or induced draught burners
BS 5793-2.3(1984) : 1984 AMD 7818 INDUSTRIAL PROCESS CONTROL VALVES - FLOW CAPACITY - METHODS OF TEST
BS 1894:1952 Specification for electrode boilers of riveted, seamless, welded and cast iron construction for water heating and steam generating
BS 5500:1988 Specification for unfired fusion welded pressure vessels
BS 4504-3.2(1989) : 1989 CIRCULAR FLANGES FOR PIPES, VALVES & FITTINGS (PN DESIGNATED) - STEEL, CAST IRON & COPPER ALLOY FLANGES - SPECIFICATION FOR CAST IRON FLANGES
BS 5355:1976 Specification for filling ratios and developed pressures for liquefiable and permanent gases
BS 5422:1977 Specification for the use of thermal insulating materials
BS 5410-2:1978 Code of practice for oil firing Installations of 45 kW and above output capacity for space heating, hot water and steam supply services
BS 5720:1979 Code of practice for mechanical ventilation and air conditioning in buildings
BS 3533:1981 Glossary of thermal insulation terms
BS CP204-2(1970) : AMD 6968 IN-SITU FLOOR FINISHES - METRIC UNITS
BS 5141-2:1977 Specification for air heating and cooling coils Method of testing for rating of heating coils
BS 5169:1975 Specification for fusion welded steel air receivers
BS 4504-2:1974 Circular flanges for pipes, valves and fittings (PN designated) Copper alloy and composite flanges
BS 759(1975) : LATEST
BS 4504-3.3:1989 Circular flanges for pipes, valves and fittings (PN designated) Specification for copper alloy and composite flanges
BS 4504-1:1969 Circular flanges for pipes, valves and fittings (PN designated) Ferrous
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BS 779:1976 Specification. Cast iron boilers for central heating and indirect hot water supply (44 kW rating and above)
BS 853:1981 Specification for calorifiers and storage vessels for central heating and hot water supply
BS 6901:1987 Specification for rating and performance of air source heat pumps with electrically driven compressors
BS 5955-8:1990 Plastics pipework (thermoplastics materials) Specification for the installation of thermoplastics pipes and associated fittings for use in domestic hot and cold water services and heating systems
BS 6880-3:1988 Code of practice for low temperature hot water heating systems of output greater than 45 kW Installation, commissioning and maintenance
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