NEN EN 14459 : 2015

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Units of measurement and test conditions
6 Construction requirements
  6.1 General
  6.2 Mechanical parts of the control
  6.3 Materials
  6.4 Gas connections
  6.5 Electronic parts of the control
  6.6 Protection against internal faults
       for the purpose of functional safety
7 Performance
  7.1 General
  7.2 Leak-tightness
  7.3 Test for leak-tightness
  7.4 Torsion and bending
  7.5 Torsion and bending test
  7.6 Rated flow rate
  7.7 Test for rated flow rate
  7.8 Durability
  7.9 Performance test for electronic controls
  7.10 Long-term performance for electronic controls
  7.11 Combined apparatus
  7.12 Multifunctional systems
  7.13 Data exchange
  7.14 Specific requirements for other control
       functions
8 EMC/Electrical requirements
9 Marking, installation, operating instructions and
  declarations
Annex A (informative) - Gas connections in common use in the
                        various countries
Annex B (informative) - Leak-tightness test - volumetric
                        method
Annex C (informative) - Leak-tightness test - pressure
                        loss method
Annex D (normative) - Conversion of pressure loss into
                      leakage rate
Annex E (normative) - Electrical/electronic component
                      fault modes
Annex F (normative) - Additional requirements for safety
                      accessories and pressure accessories
                      as defined in EU Directive 97/23/EC
Annex G (informative) - Materials for pressurized parts
Annex H (normative) - Requirements for controls used in DC
                      supplied gas burners and gas burning
                      appliances
Annex I (normative) - Combustion product discharge
                      function (TTB)
      I.1 General
      I.2 Classification
      I.3 Construction requirements
      I.4 Performance requirements
      I.5 Protection against internal faults for the
          purpose of functional safety
      I.6 Long term performance
      I.7 EMC/Electrical requirements
      I.8 Marking, installation, operating instructions
          and declarations
Annex J (normative) - Reset functions
      J.1 General
      J.2 Classification
      J.3 Construction requirements
      J.4 Performance requirements
      J.5 Protection against internal faults for the
          purpose of functional safety
      J.6 Long term performance
      J.7 EMC/Electrical requirements
      J.8 Marking, installation, operating instructions
          and declarations
Annex K (normative) - Temperature control functions (TCF)
      K.1 General
      K.2 Classification
      K.3 Construction requirements
      K.4 Performance requirements
      K.5 Protection against internal faults for the
          purpose of functional safety
      K.6 Long-term performance test
      K.7 EMC/Electrical requirements
      K.8 Marking, installation, operating instructions
          and declarations
Annex L (normative) - Gas shut-off function
      L.1 General
      L.2 Classification
      L.3 Construction requirements
      L.4 Additional safety measures
      L.5 Performance requirements
      L.6 Protection against internal faults for the
          purpose of functional safety
      L.7 Long-term performance test
      L.8 EMC/Electrical requirements
      L.9 Marking, installation, operating instructions and
          declarations
Annex M (informative) - Hazards in gas appliances handled
                        by control functions
Annex N (informative) - Control standards for gas burners
                        and gas burning appliances
Annex O (informative) - Examples of new solutions
Bibliography

Defines methods for the classification and assessment of function blocks designed to operate burners and appliances burning gaseous or liquid fuels with particular regards to their fault behaviour and preventative measures.