1 GENERAL
1.1 Scope
2 Normative references
3 DEFINITIONS
3.1 Back Boiler Unit
3.2 Appliance construction
3.3 Construction
3.4 Auxiliary equipment
3.5 Gases
3.6 Appliances performance
3.7 Gas combustion
4 CLASSIFICATION OF APPLIANCES
4.1 Classification according to the nature of the
gases used (categories)
4.2 Conversion to different gases
5 CONSTRUCTION
5.1 Materials and method of construction
5.2 Accessibility for maintenance and use
5.3 Connections to the gas and water pipes
5.4 Flue system
5.5 Soundness
5.6 Supply of combustion air and evacuation of the
combustion products
5.7 Assembly
5.8 Controls
5.9 Burners
6 REQUIREMENTS
6.1 Test gases
6.2 General conditions of test
6.3 Soundness
6.4 Heat input
6.5 Limiting temperatures
6.6 Ignition - Crosslighting - Flame stability
6.7 Control devices
6.8 Combustion
6.9 Lint assessment
6.10 Guarding
6.11 Spillage monitoring
6.12 Cyclic use test - fire only
6.13 Products clearance - Installation check
6.14 Efficiency
6.15 Hydraulic resistance
7 TEST METHODS - Safety
7.1 Test gases
7.2 General conditions of test
7.3 Soundness
7.4 Heat input
7.5 Limiting temperatures
7.6 Ignition - Crosslighting - Flame stability
7.7 Control devices
7.8 Combustion
7.9 Lint assessment
7.10 Guarding
7.11 Spillage monitoring
7.12 Cyclic use test - fire only
7.13 Products clearance - Installation check
7.14 Efficiency
7.15 Hydraulic resistance
8 MARKING AND INSTRUCTIONS
8.1 Data plate
8.2 Name badge
8.3 User instructions
8.4 Installation instructions
8.5 Conversion instructions
8.6 Packaging
Appendix A - Lint
Appendix B (Informative) - Composition of the Gas Circuit
Appendix C - Fire Efficiency