Name: PREN 12067-2 : DRAFT 2015
Brand: CEN

SAFETY AND CONTROL DEVICES FOR BURNERS AND APPLIANCES BURNING GASEOUS OR LIQUID FUELS - CONTROL FUNCTIONS IN ELECTRONIC SYSTEMS - PART 2: FUEL/AIR RATIO CONTROL/SUPERVISION OF THE ELECTRONIC TYPE

Published date

12-01-2015

Publisher

Comite Europeen de Normalisation

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, installation and operating instructions
Annex A (informative) - Abbreviations and Symbols
Annex B (informative) - Leak-tightness test for
        gas controls - Volumetric method
Annex C (informative) - Leak-tightness 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 97/23/EC
Annex G (normative) - Materials for pressurized parts
Annex H (informative) - 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 (normative) - Declaration for sensors,
         actuators and repeatability
Annex BB (normative) - Special requirements for
         single position feed-back potentiometers
         in electromechanical actuators
Annex CC (informative) - Overall fuel to air
         ratio accuracy
Annex DD (informative) - Guideline for the
         integration of an ERC, ERS or ERT into the
         appliance
Annex EE (informative) - Guideline for the
         definition of limits for safe operation of the
         appliance
Annex ZA (informative) Relationship between
         this European Standard and the Essential
         Requirements of EU Directive 2009/142/EC
         relating to appliances burning gaseous fuels
Annex ZB (informative) - Relationship between
         this European Standard and the Essential
         Requirements of EU Directive 97/23/EC
         concerning pressure equipment
Bibliography

Describes the safety, construction and performance requirements for electronic fuel/air ratio control (ERC), electronic fuel/air ratio supervision (ERS) and electronic fuel/air ratio trim (ERT) intended for use with burners and appliances burning gaseous or liquid fuels.

Committee	TC 58
DocumentType	Draft
PublisherName	Comite Europeen de Normalisation
Status	Current

Standards	Relationship
15/30315063 DC	Identical

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EN 267:2009+A1:2011	Automatic forced draught burners for liquid fuels
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ISO 23553-1:2014	Safety and control devices for oil burners and oil-burning appliances Particular requirements Part 1: Automatic and semi-automatic valves
EN 16340:2014	Safety and control devices for burners and appliances burning gaseous or liquid fuels - Combustion product sensing devices
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EN 61000-4-8:2010	Electromagnetic compatibility (EMC) - Part 4-8: Testing and measurement techniques - Power frequency magnetic field immunity test
IEC 61000-4-2:2008	Electromagnetic compatibility (EMC) - Part 4-2: Testing and measurement techniques - Electrostatic discharge immunity test
IEC 61000-4-3:2006+AMD1:2007+AMD2:2010 CSV	Electromagnetic compatibility (EMC) - Part 4-3: Testing and measurement techniques - Radiated, radio-frequency, electromagnetic field immunity test
EN 61000-4-4:2012	ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-4: TESTING AND MEASUREMENT TECHNIQUES - ELECTRICAL FAST TRANSIENT/BURST IMMUNITY TEST (IEC 61000-4-4:2012)
EN 15502-2-1:2012+A1:2016	Gas-fired central heating boilers - Part 2-1: Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1 000 kW
EN 298:2012	Automatic burner control systems for burners and appliances burning gaseous or liquid fuels
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EN ISO 23553-1:2014	Safety and control devices for oil burners and oil-burning appliances - Particular requirements - Part 1: Automatic and semi-automatic valves (ISO 23553-1:2014)
EN 88-1:2011+A1:2016	Pressure regulators and associated safety devices for gas appliances - Part 1: Pressure regulators for inlet pressures up to and including 50 kPa