I.S. EN 676:2003

Foreword
1 Scope
2 Normative references
3 Terms and definitions
  3.1 General terms and definitions
  3.2 Specific terms and definitions
4 Constructional and operational requirements - safety requirements
  and/or protective measures
  4.1 Conversion to different gases
  4.2 Construction
  4.3 Equipment
  4.4 Functional and operational requirements
  4.5 Machine safety requirements and/or protective measures
5 Test methods
  5.1 General
  5.2 Functional tests
  5.3 Operation
  5.4 Tests to be carried out on the working and test diagrams
  5.5 Combustion
  5.6 Start-up
  5.7 Obtaining the heat input
  5.8 Electrical safety
  5.9 Verification of safety and/or protective measures
6 Marking, labelling and packaging
  6.1 General
  6.2 Data plate
  6.3 Other marking
  6.4 Instructions for installation, adjustment, maintenance and
      operation
  6.5 Marking on the packaging
Annex A (informative) Determination of the combustion
        characteristics - carbon monoxide and nitrogen oxides
Annex B (informative) Examples of control box sequencing
Annex C (informative) Test gases
      C.1 General
      C.2 Conditions for preparation of the test gases
      C.3 Practical application of the test gases
Annex D (informative) Gas connections conditions in common use
        in the various countries
Annex E (informative) Tests
      E.1 Supplementary testing
      E.2 Drawing review
      E.3 Individual test and inspection
      E.4 Test report
Annex F (informative) Use of alternative gas lines and test
        documentation
      F.1 Use of alternative gas lines
      F.2 Test documentation
Annex G (informative) Correction of the influence of combustion
        air temperature and humidity on NO[x]-emissions
Annex H (informative) Check of the air proving device
Annex I (informative) Additional recommendations for specific
        applications
      I.1 General
      I.2 Pre-heating of the combustion air
      I.3 Continuous working of the air ventilator
      I.4 Variable excess of combustion air
      I.5 Burner with start gas flame
      I.6 Air filtering
Annex J (normative) Machine related hazards - safety requirements
        and/or protective measures
      J.1 General
      J.2 List of significant hazards
      J.3 Safety requirements and/or protective measures
      J.4 Verification of machine safety requirements and/or
        protective measures
      J.5 Information for use
Annex K (normative) Additional requirements for burners with
        pressurised parts and burners firing pressurised bodies
        as defined in Pressure Equipment Directive (PED) 97/23/EC
      K.1 General
      K.2 Design
      K.3 Materials
      K.4 Pressurised parts
      K.5 Gas line components
      K.6 Gas pressure governor
      K.7 High gas pressure over load protection device
      K.8 Automatic safety shut-off valve
      K.9 Air proving device
      K.10 Automatic burner control system
      K.11 Means for draining and venting
      K.12 General functions requirements
      K.13 External safety limiter
      K.14 Design according to EN 50156-1
      K.15 Consideration: safety life cycle
      K.16 Tests of pressurised parts
      K.17 Other marking
      K.18 Instructions for installation, adjustment, maintenance
           and operation
Annex ZA (informative) A-deviations
Annex ZB (informative) Clauses of this European Standard
         addressing essential requirements or other
         provisions of EU Directives
Annex ZC (informative) Relationship between this European
         Standard and the essential safety requirements of
         the Pressure Equipment (PED) Directive 97/23/EC
Annex ZD (informative) Relationship between this European
         Standard and the Essential Requirements of EU
         Directive 98/37/EC Machinery Directive
Annex ZE (informative) Relationship between this European
         Standard and the Essential Requirements of EU
         Directive 2006/42/EC Machinery Directive
Bibliography

Describes the terminology, the general requirements for the construction and operation of automatic forced draught gas burners and also the provision of control and safety devices, and the test procedure for these burners.