I.S. EN 14459:2021
Current
The latest, up-to-date edition.
Safety and control devices for burners and appliances burning gaseous or liquid fuels - Control functions in electronic systems - Methods for classification and assessment
Hardcopy , PDF
English
12-13-2021
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Test conditions and uncertainty of measurements
6 Design and construction
7 Performance
8 Electrical requirements
9 Electromagnetic compatibility (EMC) .
10 Marking, instructions
Annex A (informative) Abbreviations and symbols
Annex B (informative) Leak-tightness tests for gas controls – volumetric method
Annex C (informative) Leak-tightness tests for gas controls – pressure loss method
Annex D (normative) Calculation 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 2014/68/EU
Annex G (normative) Materials for pressurized parts
Annex H (normative) Additional materials for pressurized parts
Annex I (normative) Requirements for controls used in DC supplied burners and appliances burning gaseous or liquid fuels
Annex J (normative) Method for the determination of a Safety Integrity Level (SIL).
Annex K (normative) Method for the determination of a Performance Level (PL) .
Annex L (informative) Relationship between Safety Integrity Level (SIL) and Performance Level (PL)
Annex M (normative) Reset functions
Annex N (informative) Guidance document on Environmental Aspects
Annex O (normative) Seals of elastomer, cork and synthetic fibre mixtures
Annex AA (informative) Example of a risk assessment method
Annex BB (informative) Example of a risk assessment according to method described in Annex AA
Annex CC (informative) Realization of a protective measure
Annex DD (informative) Hazards in gas and oil appliances handled by control functions
Annex EE (informative) Classification of control functions based on the determination of basic risks
Bibliography
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