BS 5991:1989
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Specification for indirect gas fired forced convection air heaters with rated heat inputs up to 2 MW for industrial and commercial space heating: safety and performance requirements (excluding electrical requirements (2nd family gases)
Hardcopy , PDF
20-07-2006
English
28-02-1990
Important note : All end users must be registered with an Account prior to user licenses being assigned.
Foreword
Cooperating organizations
Specification
1 Scope
2 References
3 Definitions
4 Classification of appliances
4.1 By category
4.2 By flue type
5 General requirements
6 General conditions of test
6.1 Test room
6.2 Preparation of appliance for testing
6.3 Test procedure
7 Design and construction
7.1 All appliances
7.2 Appliances designed for permanent outdoor
installation
8 Soundness
8.1 General
8.2 Complete assembly
9 Heat input
9.1 Measurement
9.2 Tolerance
9.3 Adjustment
10 Combustion
10.1 Combustion requirements
10.2 Methods of analysis
11 Ignition
11.1 Pilot burners and ignition devices
11.2 Ignition performance: burner systems with
permanent pilots
11.3 Ignition performance: burner systems without
permanent pilots
12 Flame stability
12.1 Still air conditions
12.2 Abnormal draught conditions (natural draught
burners)
12.3 Leakage characteristics
13 Flue system
13.1 Effectiveness of flue system
13.2 Flue connections
13.3 Flue breaks
13.4 Induced draught fans
13.5 Air heater designed for outdoor installation
13.6 Heater with integral fan in the secondary flue
(natural draught burner)
14 External temperatures
14.1 Surface temperatures
14.2 Component temperatures
15 Heat exchanger: working life
15.1 Requirements
15.2 Method
16 Manual gas valves
17 Automatic controls
17.1 General
17.2 Governors
17.3 Gas strainers
17.4 Safety shut-off valves
17.5 Air flow through the combustion circuit and flow
of products of combustion
17.6 Flame supervision system
17.7 Pilot or start-gas flame establishment
17.8 Main flame establishment
17.9 Air/gas ratio control for appliances with forced
or mechanically induced draught burners
17.10 Thermostats and control of air temperature
17.11 Thermally sensitive flame supervision device
17.12 Multi-functional controls
18 Motors and fans
18.1 General
18.2 Fan motor temperature
18.3 Lubrication
18.4 Marking
19 Electricity supply
20 Manufacturer's instructions
20.1 General
20.2 Installation instructions
20.3 Servicing instructions
20.4 User's instructions
21 Facilities for commissioning and testing
22 Identification and marking
22.1 General
22.2 Data plate
22.3 Name badge
22.4 Appliance parts
22.5 Electrical data
22.6 Warning notices
22.7 Lighting instructions
23 Air handling
23.1 Air flow rate
23.2 Air flow adjustment
24 Combustion chamber pressure reliefs
25 Thermal efficiency
25.1 Efficiency
25.2 Heat input
25.3 Surface heat dissipation
26 Air delivery temperature
26.1 Requirement
26.2 Method
27 Weather resistance
27.1 Requirements
27.2 Rain test
Tables
1 Surface temperature rise
2 Valves required for natural draught systems
3 Valves required for forced and mechanically
induced draught systems
3a Purge gas test
4 Flame supervision device drop-out times
5 Fan motor windings: permissible temperature rises
6 Enthalpy data for combustion products
7 Combustion data for test gas NGA
Figures
1 Paint scratch test apparatus
2 Test duct for air flow measurement
3 Anti-swirl device
4 Air flow regulation device
5 Connecting head
6 Arrangement of spray heads and associated piping
for rain test
7 Details of spray head assembly and construction
Safety and performance requirements and methods of test for permanently installed open flued space heating appliances intended for industrial and commercial applications.
| Committee |
GSE/20
|
| DevelopmentNote |
Supersedes 78/72522 DC, 86/73909 DC, 87/77940 DC, 88/77456 DC and BS 5991(1983) (09/2005)
|
| DocumentType |
Standard
|
| Pages |
40
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| BS 6230:1991 | Specification for installation of gas-fired forced convection air heaters for commercial and industrial space heating (2nd family gases) |
| BS 5990:2006 | Specification for direct gas-fired forced convection air heaters with rated heat inputs greater than 330 kW but not exceeding 2 MW for industrial and commercial space heating. Safety and performance requirements (excluding electrical requirements) (2nd family gases) |
| BS 6230:2005 | Specification for installation of gas-fired forced convection air heaters for commercial and industrial space heating (2nd and 3rd family gases) |
| BS 5990:1990 | Specification for direct gas-fired forced convection air heaters with rated heat inputs up to 2 MW for industrial and commercial space heating: safety and performance requirements (excluding electrical requirement) (2nd family gases) |
| BS 476-4:1970 | Fire tests on building materials and structures Non-combustibility test for materials |
| BS 5000-99:1973 | Rotating electrical machines of particular types or for particular applications Machines for miscellaneous applications |
| BS 10:1962 | Specification for flanges and bolting for pipes, valves, and fittings |
| BS 5986:1980 | Specification for electrical safety and performance of gas fired space heating appliances with inputs 60 kW to 2 MW |
| BS 5963:1981 | Specification for electrically operated automatic gas shut-off valves |
| BS 4921:1988 | Specification for sherardized coatings on iron or steel |
| BS 1756-4:1977 | Methods for sampling and analysis of flue gases Miscellaneous analyses |
| BS 3955:1986 | Specification for electrical controls for household and similar general purposes |
| BS 1179-6:1980 | Glossary of terms used in the gas industry Combustion and utilization including installation at consumers\' premises |
| BS 6047-1:1981 | Flame supervision devices for domestic, commercial and catering gas appliances Specification for heat sensitive type |
| BS 1224:1970 | Specification for electroplated coatings of nickel and chromium |
| BS 1706:1990 | Method for specifying electroplated coatings of zinc and cadmium on iron and steel |
| BS 1756-2:1971 | Methods for the sampling and analysis of flue gases Analysis by the Orsat apparatus |
| BS 5000-11(1973) : 1973 | SPECIFICATION FOR ROTATING ELECTRICAL MACHINES OF PARTICULAR TYPES OR FOR PARTICULAR APPLICATIONS - PART 11: SMALL-POWER ELECTRIC MOTORS AND GENERATORS |
| BS 6448-1:1987 | Gas governors Specification for pressure governors with nominal connection size up to 50 mm for gas appliances with inlet pressure up to and including 200 mbar |
| BS 1756-1:1971 | Methods for the sampling and analysis of flue gases Methods of sampling |
| BS 1756-3:1971 | Methods for the sampling and analysis of flue gases Analysis by the Haldane apparatus |
| BS 4201:1979 | Specification for thermostats for gas-burning appliances |
| BS 1042-2.1:1983 | Measurement of fluid flow in closed conduits. Velocity area methods Method using Pitot static tubes |
| BS 4504-2:1974 | Circular flanges for pipes, valves and fittings (PN designated) Copper alloy and composite flanges |
| BS 6067:1981 | Specification for multifunctional gas controls for domestic, commercial and catering appliances |
| BS 4504-1:1969 | Circular flanges for pipes, valves and fittings (PN designated) Ferrous |
| BS 3554-2:1972 | Specification for gas governors Independent governors for inlet pressures up to 350 mbar |
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