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SLOVENSKI STANDARD
01-februar-2023
Nadomešča:
SIST EN 298:2012
Naprave za avtomatski nadzor gorilnikov in aparatov na plin ali tekoča goriva
Automatic burner control systems for burners and appliances burning gaseous or liquid
fuels
Feuerungsautomaten für Brenner und Brennstoffgeräte für gasförmige oder flüssige
Brennstoffe
Systèmes automatiques de commande pour brûleurs et appareils utilisant des
combustibles gazeux ou liquides
Ta slovenski standard je istoveten z: EN 298:2022
ICS:
27.060.10 Gorilniki na tekoče in trdo Liquid and solid fuel burners
gorivo
27.060.20 Plinski gorilniki Gas fuel burners
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 298
EUROPEAN STANDARD
NORME EUROPÉENNE
November 2022
EUROPÄISCHE NORM
ICS 27.060.01 Supersedes EN 298:2012
English Version
Automatic burner control systems for burners and
appliances burning gaseous or liquid fuels
Systèmes automatiques de commande pour brûleurs et Feuerungsautomaten für Brenner und
appareils utilisant des combustibles gazeux ou liquides Brennstoffgeräte für gasförmige oder flüssige
Brennstoffe
This European Standard was approved by CEN on 2 October 2022.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 298:2022 E
worldwide for CEN national Members.
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 7
4 Classification. 16
4.1 Classes of control . 16
4.2 Groups of control . 16
4.3 Classes of control functions . 16
4.4 Types of DC supplied controls . 16
5 Test conditions and uncertainty of measurements . 16
6 Design and construction . 17
6.1 General. 17
6.2 Mechanical parts of the control . 17
6.3 Materials . 17
6.4 Gas connections . 17
6.5 Electrical parts of the control . 17
6.6 Protection against internal faults for the purpose of functional safety . 18
7 Performance . 21
7.1 General. 21
7.2 Leak-tightness . 21
7.3 Torsion and bending . 21
7.4 Rated flow rate . 21
7.5 Durability . 21
7.6 Performance tests for electronic controls . 21
7.7 Long-term performance for electronic controls . 22
7.8 Data exchange . 23
7.101 Functional requirements . 23
8 Electrical requirements . 33
8.1 General. 33
8.2 Protection by enclosure. 33
9 Electromagnetic compatibility (EMC) . 34
9.1 Protection against environmental influences . 34
9.2 Supply voltage variations below 85 % of rated voltage . 35
9.3 Voltage dips and interruptions . 35
9.4 Supply frequency variations . 36
9.5 Surge immunity tests . 36
9.6 Electrical fast transient/burst . 37
9.7 Immunity to conducted disturbances induced by radio frequency fields . 37
9.8 Immunity to radiated disturbances induced by radio frequency fields . 37
9.9 Electrostatic discharge tests . 37
9.10 Power frequency magnetic field immunity tests . 38
9.11 Harmonics and interharmonics including mains signalling at a. c. power port, low
frequency immunity tests . 38
10 Marking, instructions . 38
10.1 Marking . 38
10.2 Instructions . 38
10.3 Warning notice . 40
Annex A (informative) Abbreviations and symbols . 41
Annex B (informative) Leak-tightness tests for gas controls − volumetric method . 42
Annex C (informative) Leak-tightness tests for gas controls − pressure loss method . 43
Annex D (normative) Calculation of pressure loss into leakage rate . 44
Annex E (normative) Electrical/electronic component fault modes . 45
Annex F (normative) Additional requirements for safety accessories and pressure
accessories as defined in EU Directive 2014/68/EU . 47
Annex G (normative) Materials for pressurized parts . 48
Annex H (informative) Additional materials for pressurized parts . 49
Annex I (normative) Requirements for controls used in DC supplied burners and appliances
burning gaseous or liquid fuels . 50
Annex J (normative) Method for the determination of a Safety Integrity Level (SIL) . 52
Annex K (normative) Method for the determination of a Performance Level (PL) . 53
Annex L (informative) Relationship between Safety Integrity Level (SIL) and Performance
Level (PL) . 54
Annex M (normative) Reset functions . 55
Annex N (informative) Guidance document on Environmental Aspects . 56
Annex O (normative) Seals of elastomer, cork and synthetic fibre mixtures . 57
Annex AA (informative) Functional characteristics of automatic burner control systems, to
be given by the appliance standard . 58
Annex BB (informative) Fault modes of flame sensors . 59
Annex CC (informative) Functional diagrams of automatic burner control systems for oil 61
CC.1 Symbols . 61
CC.2 Explanations . 62
CC.3 Functional diagrams – Normal operation . 62
CC.4 Functional diagrams – protective response in case of abnormal operation in the
application . 64
Annex ZA (informative) Relationship between this European Standard and the essential
requirements of Directive 2009/142/EC aimed to be covered . 66
Annex ZB (informative) Relationship between this European Standard and the essential
requirements of Regulation (EU) 2016/426 aimed to be covered . 67
Annex ZC (informative) Relationship between this European Standard and the essential
requirements of Directive 2014/68/EU aimed to be covered . 68
Bibliography . 69
European foreword
This document (EN 298:2022) has been prepared by Technical Committee CEN/TC 58 “Safety and
control devices for burners and appliances burning gaseous or liquid fuels”, the secretariat of which is
held by BSI.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by May 2023, and conflicting national standards shall be
withdrawn at the latest by November 2025.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 298:2012.
In comparison with the previous edition, the following significant changes have been incorporated in this
document:
a) alignment with EN 13611:2019, as impacted by EN 13611:2019/AC:2021;
b) inclusion of Annex J, Annex K, Annex L, Annex M, Annex N, Annex
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