BS 4876:1984
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specification for performance requirements for domestic flued oil burning appliances (including test procedures)
Hardcopy , PDF
15-04-2000
English
29-02-1984
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Foreword
Committees responsible
Specification
Section one. General
1.1 Scope
1.2 Definitions
1.3 Marking
1.4 Test fuels
1.5 Classification of heating appliances
Section two. Performance requirements
2.0 General
2.1 Class 1: appliances employing natural draught
vaporizing burners
2.2 Class 2: appliances employing high/low forced
draught vaporizing burners
2.3 Class 3: appliances employing on/off forced
draught vaporizing burners
2.4 Class 4: appliances employing rotary vaporizing
burners
2.5 Class 5: appliances employing on/off pressure
jet burners
Section 3. Test procedures
3.1 Test procedure 1: primary screening
3.2 Test procedure 2: efficiency of boilers
3.3 Test procedure 3: overall efficiency of indirect
impelled convection air heaters
3.4 Test procedure 4: overall efficiency of direct
impelled convection air heaters
3.5 Test procedure 5: efficiency of direct natural
convection air heaters
3.6 Test procedure 6: sensitivity to flue conditions
(appliances with integral draught diverter)
3.7 Test procedure 7: sensitivity to flue conditions
(appliances without integral draught diverter)
3.8 Test procedure 8: response to load change
(manually controlled appliances)
3.9 Test procedure 9: response to load change (semi-
automatic appliances)
3.10 Test procedure 10: start and shut-down combustion
performance
3.11 Test procedure 11: hearth and side panel
temperatures
3.12 Test procedure 12: fuel flooding test
3.13 Test procedure 13: effects of voltage variation
3.14 Test procedure 14: electrical safety
3.15 Test procedure 15: boiler reliability and
endurance: on/off appliances
3.16 Test procedure 16: boiler reliability and
endurance: high/low appliances
3.17 Test procedure 17: reliability and endurance:
manually controlled natural convection air
heaters
3.18 Test procedure 18: reliability and endurance:
automatic and semi-automatic air heaters
3.19 Test procedure 19: sensitivity to wind of an
appliance designed to operate with its own
integral flue arrangement
Section four. Measurement methods
4.1 Method 1: determination of smoke number and smoke
index
4.2 Method 2: determination of flue gas composition
4.3 Method 3: determination of flue gas temperatures
4.4 Method 4: determination of flue draught
4.5 Method 5: degree of incomplete combustion,
determination of combustible gas index
4.6 Method 6: determination of gas velocity by pitot
tube
4.7 Method 7: determination of fuel flow rate
4.8 Method 8: determination of surface temperatures
and effectiveness of guards
4.9 Method 9: determination of float control
temperatures
4.10 Method 10: determination of exhaust gas heat
(stack) losses
Appendices
A. Suggested forms for use by laboratory staff during
a preliminary inspection of an appliance
B. Suggested report forms
C. Typical points for examination after endurance test
Tables
1. Test fuel requirements
2. Summary of test procedures and measurement methods
3. Report for test procedure 13
4. Creepage distances and clearances
5. Report for test procedure 15
6. Report for test procedure 16
7. Programme of tests and adjustments for test
procedure 17
8. Report for test procedure 17
9. Report for test procedure 18: automatic appliances
10. Report for test procedure 18: semi-automatic
appliances
Figures
1. Circuit example, class 3 and 4 appliances
2. Circuit example, class 5 appliance with photo-
electric cell
3. Test rigs for hot water boilers operating below
a temperature of 100 deg C
4. Thermometer pocket
5. Water collecting method
6. Resistance grid
7. Air flow
8. Test layout
9. Air flow
10. Orifice plate
11. Sensitivity to flue conditions: flue duct system
12. Sensitivity to flue conditions: flue duct system
13. Standard test hearth
14. Side panel temperature measuring boards
15. Total of four boards assembled to measure boiler
side panel temperatures
16. Brick central test chamber
17. Reliability and endurance test: water system
18. Horizontal discharge, with integral flue arrangement
19. Suction pyrometer
20. Basic gas and signal circuits
21. Appliance limits on a typical curve shape
22. Use of pitot tube
23. Fuel measurement system
24. Contact thermocouple
25. Test probe
26. Determination of exhaust gas heat losses applicable
to standard test fuels
Specifies the performance requirements and methods of testing for flued oil burning appliances (e.g. boilers and air heaters), up to and including 44 kW capacity, used for hot water supply and for space heating purposes.
| Committee |
RHE/13
|
| DocumentType |
Standard
|
| Pages |
106
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Standards | Relationship |
| UNE-EN 50289-1-8:2017 | Identical |
| BS 5449:1990 | Specification for forced circulation hot water central heating systems for domestic premises |
| BS 7190:1989 | Method for assessing thermal performance of low temperature hot water boilers using a test rig |
| BS 799-3:1981 | Oil burning equipment Automatic and semi-automatic atomizing burners up to 36 litres per hour |
| BS 6700:1997 | Specification for design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages |
| BS 799-2:1991 | Oil burning equipment Specification for vaporizing burners |
| BS 2000-123(1985) : 1985 | METHODS OF TEST FOR PETROLEUM AND ITS PRODUCTS - DISTILLATION OF PETROLEUM PRODUCTS |
| BS 2000-34(1983) : 1983 | METHODS OF TEST FOR PETROLEUM AND ITS PRODUCTS - FLASH POINT BY PENSKY-MARTENS CLOSED TESTER |
| BS DD65-1(1979) : 1979 | METHODS OF TYPE TESTING HEATING BOILERS FOR THERMAL PERFORMANCE - DIRECT METHOD |
| BS 2000-71(1982) : 1982 | METHODS OF TEST FOR PETROLEUM AND ITS PRODUCTS - KINEMATIC VISCOSITY OF TRANSPARENT AND OPAQUE LIQUIDS AND CALCULATION OF DYNAMIC VISCOSITY |
| BS 2000-170(1982) : 1982 | METHODS OF TEST FOR PETROLEUM AND ITS PRODUCTS - FLASH POINT BY THE ABEL APPARATUS (NON STATUTORY METHOD) |
| IP 336 : 2015 | PETROLEUM PRODUCTS - DETERMINATION OF SULFUR CONTENT - ENERGY-DISPERSIVE X-RAY FLUORESCENCE SPECTROMETRY |
| BS 2000-107(1982) : 1982 | METHODS OF TEST FOR PETROLEUM AND ITS PRODUCTS - SULFUR IN PETROLEUM PRODUCTS (LAMP METHOD) |
| BS 1756-2:1971 | Methods for the sampling and analysis of flue gases Analysis by the Orsat apparatus |
| BS 1042-2.3:1984 | Measurement of fluid flow in closed conduits. Velocity area methods Methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current-meters or Pitot static tubes |
| BS 1756-1:1971 | Methods for the sampling and analysis of flue gases Methods of sampling |
| BS 2000-57(1982) : 1982 | METHOD OF TEST FOR PETROLEUM AND ITS PRODUCTS - SMOKE POINT OF KEROSINE |
| BS 1042-2.2:1983 | Measurement of fluid flow in closed conduits. Velocity area methods Method of measurement of velocity at one point of a conduit of circular cross section |
| BS 1042-2.1:1983 | Measurement of fluid flow in closed conduits. Velocity area methods Method using Pitot static tubes |
| BS 2000-154(1982) : 1982 | METHODS OF TEST FOR PETROLEUM AND ITS PRODUCTS - DETECTION OF COPPER CORROSION FROM PETROLEUM PRODUCTS BY THE COPPER STRIP TARNISH TEST |
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