Committees Responsible
National Foreword
Foreword
1 General
1.1 Scope
1.2 Normative references
1.3 Definitions
1.4 Classification
2 Constructional requirements
2.1 General
2.2 Special requirements for components in the gas
circuit
2.3 Particular requirements
3 Performance requirements
3.1 General
3.2 Soundness
3.3 Obtaining the gas rate
3.4 Operational safety
3.5 Auxiliary equipment
3.6 Combustion
3.7 Particular requirements
4 Test conditions
4.1 General
4.2 Soundness
4.3 Obtaining the gas rates
4.4 Operational safety
4.5 Auxiliary equipment
4.6 Combustion
4.7 Particular tests
5 Designation
6 Marking
6.1 Marking on the appliance
6.2 Instructions
6.3 Marking packaging
Annex A (informative) National situations
Annex B (informative) Guidelines for extension to other
categories
Annex C (informative) Identification of conformity of EN 203-1
to the essential requirements of the Gas
Appliance Directive
Annex D (informative) Trilingual list of appliances entering
into the scope of EN 203-1
Figure 1 - Apparatus for testing soundness
Figure 2 - Test on an appliance of type B11 and B11BS under
abnormal draught conditions
Figure 3 - Combustion test - Sampling hood for pan sizes 22cm
to 34cm
Figure 4 - Combustion test - Sampling hood for pan sizes 38cm
to 50cm
Figure 5 - Characteristics of the pans needed for the tests
Figure 6 - Equipment for wind testing
Figure 7 - Arrangement of the equipment for wind testing
Figure 8 - Combustion products evacuation safety device
Figure 9 - Sampling of combustion products by rings -
Principles of construction
Figure 10 - Sampling probe for appliances with a mitre
Figure 11 - Sampling probe for appliance of Type A and B with
a chimney
Table 1 - Classification of gases
Table 2 - Maximum shut-down times in relation to the blockage
Table 3 - Test gases corresponding to the appliance categories
Table 4 - Characteristics of the test gases: dry gas at
15degreeC and 1013,25mbar
Table 5 - Calorific values of test gases of the third family
Table 6 - Test pressures
Table 7
Table A.1.1 - Single categories marketed
Table A.1.2 - Dual categories marketed
Table A.2 - Normal supply pressures
Table A.3 - Test gases corresponding to the nationally or
locally marketed categories
Table A.4.1 - Test gases corresponding to national or local
situations: dry gas, at 150degreeC and
1013,25mbar
Table A.4.2 - Percentage of CO2 (dry neutral combustion
products)
Table A.5 - Types of connection used in various countries
Table A.6 - Diameters of flues used in various countries
Table C.1 - Symbolization of gas nature
Annex ZA (informative) Clauses of this European Standard
EN 203-1/A2 addressing essential
requirements or other provisions of
EU Directives
National Annex NA (informative) Committees Responsible
National Annex NB (informative) Cross-References