Domestic cooking appliances burning gas - Part 1-4: Safety - Appliances having one or more burners with an automatic burner control system

This European Standard specifies the construction and performance characteristics as well as the requirements and methods of test for the safety and marking of domestic cooking appliances, capable of using the combustible gases defined in EN 30-1-1:2008+A2:2010, that have one or more burners with an automatic burner control system, referred to in the text as "appliances".
This European Standard includes specific requirements and methods of test that are applicable to burners having an automatic burner control system, whether or not the appliance is equipped with a fan for the supply of combustion air to, and/or the evacuation of the products of combustion from the burner concerned. These specific requirements and methods of test are only applicable when the burner has an automatic burner control system and do not apply to burners having automatic ignition that fall within the scope of
EN 30-1-1:2008+A2:2010.
This European Standard is intended to be used in conjunction with EN 30-1-1:2008+A2:2010 and, where appropriate, other parts of EN 30-1 covering appliances having:
-   forced-convection ovens and/or grills;
-   a glass ceramic hotplate.
It does not cover all of the safety requirements and methods of test that are specific to forced-convection ovens and/or grills and glass ceramic hotplates.
Unless specifically excluded hereafter, this standard applies to these appliances or their component parts, whether or not the component parts are independent or incorporated into a single appliance, even if the other heating components of the appliance use electrical energy (e.g. combined gas-electric cookers).
This European Standard includes requirements covering the electrical safety of equipment incorporated in the appliance that is associated with the use of gas. It does not include requirements covering the electrical safety of electrically heated component parts of their associated equipment ).
This European Standard does not apply to:
-   outdoor appliances;
-   appliances connected to a combustion products evacuation duct;
-   appliances having a pyrolytic gas oven;
-   appliances having automatic burner control systems that:
-   have a second safety time (see EN 298:2003), or
-   control one or more burners that incorporate a separate ignition burner;
-   appliances having an uncovered burner or a non-enclosed covered burner (see 3.1.1) that utilises a fan for the supply of its combustion air;
-   appliances having enclosed covered burners that are not equipped with an automatic burner control system;
-   appliances having one or more burners that are capable of remote operation (type1), unless the burner(s) concerned are:
-   oven burners equipped with an automatic burner control system, or
-   oven burners of time-controlled ovens that are designed for a delayed start without the user being present;
-   appliances having one or more burners that are capable of remote operation (type 2), unless the burner(s) concerned are:
-   oven, grill or hotplate burners equipped with automatic burner control systems, or
-   oven burners of time-controlled ovens that are designed for a delayed start without the user being present;
-   appliances supplied at pressures greater than those defined in 7.1.3;
-   appliances equipped with air-gas ratio controls;
-   appliances incorporating one or more hotplate or grill burners that enable the user to program the delayed start of a cooking cycle.
This European Standard does not cover the requirements relating to automatic on-off cycling multi-ring hotplate burners for which specific requirements are under consideration.
This European Standard does not cover the requirements relating to third family gas cylinders, their regulators and their connection.
This European Standard only covers type testing.

Haushalt-Kochgeräte für gasförmige Brennstoffe - Teil 1-4: Sicherheit - Geräte mit einem oder mehreren Brenner(n) mit Feuerungsautomat

Appareils de cuisson domestiques utilisant les combustibles gazeux - Partie 1-4: Sécurité - Appareils comportant un ou plusieurs brûleurs avec système automatique de commande des brûleurs

Plinski gospodinjski aparati za kuhanje - 1-4. del: Varnost - Aparati z enim ali več gorilniki z avtomatskim nadzorom gorilnikov

General Information

Status
Not Published
Publication Date
18-Mar-2026
Current Stage
5020 - Submission to Vote - Formal Approval
Start Date
23-Oct-2025
Completion Date
23-Oct-2025

Relations

Draft
prEN 30-1-4:2021
English language
87 pages
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Standards Content (Sample)


SLOVENSKI STANDARD
oSIST prEN 30-1-4:2021
01-oktober-2021
Plinski kuhalni aparati za gospodinjstvo - Varnost - 1-4. del: Aparati z enim ali več
gorilniki z avtomatskim nadzorom gorilnikov
Domestic cooking appliances burning gas - Safety - Part 1-4: Appliances having one or
more burners with an automatic burner control system
Haushalt-Kochgeräte für gasförmige Brennstoffe - Sicherheit - Teil 1-4: Geräte mit einem
oder mehreren Brenner(n) mit Feuerungsautomat
Appareils de cuisson domestiques utilisant les combustibles gazeux - Sécurité - Partie 1-
4: Appareils comportant un ou plusieurs brûleurs avec système automatique de
commande des brûleurs
Ta slovenski standard je istoveten z: prEN 30-1-4
ICS:
97.040.20 Štedilniki, delovni pulti, Cooking ranges, working
pečice in podobni aparati tables, ovens and similar
appliances
oSIST prEN 30-1-4:2021 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN 30-1-4:2021
oSIST prEN 30-1-4:2021
DRAFT
EUROPEAN STANDARD
prEN 30-1-4
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2021
ICS 97.040.20 Will supersede EN 30-1-4:2012
English Version
Domestic cooking appliances burning gas - Safety - Part 1-
4: Appliances having one or more burners with an
automatic burner control system
Appareils de cuisson domestiques utilisant les Haushalt-Kochgeräte für gasförmige Brennstoffe -
combustibles gazeux - Sécurité - Partie 1-4: Appareils Sicherheit - Teil 1-4: Geräte mit einem oder mehreren
comportant un ou plusieurs brûleurs avec système Brenner(n) mit Feuerungsautomat
automatique de commande des brûleurs
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 49.
If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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, Turkey and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 30-1-4:2021 E
worldwide for CEN national Members.

oSIST prEN 30-1-4:2021
prEN 30-1-4:2021 (E)
Contents Page
European foreword . 5
1 Scope . 6
2 Normative references . 7
3 Terms and definitions . 8
3.1 Additional definitions concerning parts of the appliance . 8
3.2 Additional definitions concerning appliances having burners with an automatic
burner control system . 9
3.2.1 Definitions concerning the appliance components . 9
3.2.2 Definitions concerning adjusting, control and safety devices . 9
3.2.3 Definitions concerning the operation of the appliance . 11
4 Classification . 14
5 Constructional requirements . 14
5.1 General . 14
5.1.1 Introduction . 14
5.1.2 Conversion to different gases . 14
5.1.3 Materials . 14
5.2 Special requirements . 14
5.2.1 General . 14
5.2.2 Taps . 14
5.2.3 Knobs . 14
5.2.4 Injectors and adjusters . 15
5.2.5 Oven thermostats . 15
5.2.6 Ignition systems . 15
5.2.7 Flame supervision devices . 15
5.2.8 Pressure Regulators . 15
5.2.9 Hobs . 16
5.2.10 Accumulation of un-burnt gas . 16
5.3 Additional requirements for appliances having one or more burners with an
automatic burner control system . 16
5.3.1 Indirect manually operated burner controls . 16
5.3.2 Indirect manually operated knobs and touch control pads . 18
5.3.3 Verification of the state of operation . 18
5.3.4 Thermostats and gas energy regulators . 19
5.3.5 Combustion products outlets (enclosed covered hob burners). 19
5.3.6 Multifunctional controls . 19
5.3.7 Automatic shut-off valves . 19
5.3.8 Accumulation of un-burnt gas in the appliance . 21
5.3.9 Fans for the provision of combustion air and/or for the evacuation of products of
combustion . 21
5.4 Additional requirements for burners having automatic burner control systems . 22
5.4.1 General . 22
5.4.2 Burners without a fan for the supply of combustion air and/or for the evacuation of
the products of combustion . 23
oSIST prEN 30-1-4:2021
prEN 30-1-4:2021 (E)
5.4.3 Burners with a fan for the supply of combustion air and/or for the evacuation of the
products of combustion . 26
5.5 Additional requirements for appliances with one or more burners that are capable
of remote on-site operation . 29
5.5.1 Application . 29
5.5.2 General . 30
5.5.3 Remote on-site operation . 30
5.6 Additional requirements for appliances incorporating one or more burners that
enable the user to program the delayed start and the end of a cooking cycle . 30
6 Operational requirements . 31
6.1 General . 31
6.1.1 Introduction. 31
6.1.2 Obtaining the input rates . 31
6.1.3 Flame supervision devices . 31
6.1.4 Safety of operation . 31
6.2 Special requirements for hobs . 31
6.2.1 General . 31
6.2.2 Ignition, cross-lighting and flame stability. 32
6.2.3 Combustion . 32
6.3 Special requirements for ovens and grills . 32
6.3.1 General . 32
6.3.2 Ignition, cross-lighting and flame stability. 32
6.3.3 Combustion . 32
6.4 Additional requirements for appliances having burners with automatic burner
control systems . 32
6.4.1 Obtaining the input rates . 32
6.4.2 Safety in the event of failure of thermostats and gas energy regulators . 33
6.5 Additional requirements for hob burners having automatic burner control systems . 34
6.5.1 Ignition, cross-lighting and flame stability. 34
6.5.2 Combustion . 35
6.5.3 Air proving devices (enclosed covered hob burners with a fan for the supply of
combustion air and/or for the evacuation of products of combustion) . 35
6.6 Additional requirements for oven and grill burners having automatic burner control
systems . 36
6.6.1 Ignition, cross-lighting and flame stability. 36
6.6.2 Combustion . 37
6.6.3 Air proving devices (oven and/or grill burners with a fan for the supply of
combustion air and/or for the evacuation of products of combustion) . 38
7 Test methods . 38
7.1 General . 38
7.1.1 Introduction. 38
7.1.2 Reference and test gases . 39
7.1.3 Test pressures . 39
7.1.4 Test procedures . 39
7.1.5 Pans and oven and grill accessories . 40
7.1.6 Temperature of the oven and grill . 40
7.1.7 Appliances having a mains electrical supply . 40
7.2 Verification of the constructional characteristics . 40
7.2.1 General . 40
7.2.2 Strength . 41
7.2.3 Strength, stability . 41
7.2.4 Accumulation of un-burnt gas in the appliance . 41
oSIST prEN 30-1-4:2021
prEN 30-1-4:2021 (E)
7.2.5 Fragmentation test for principal components made from toughened soda-lime glass . 41
7.2.6 Appliances with a glass lid having a device for shutting off the gas to the hob burners . 41
7.3 Verification of operational characteristics . 41
7.3.1 General tests . 41
7.3.2 Specific tests for hobs . 43
7.3.3 Specific tests for ovens and grills . 45
7.4 Verification of the constructional requirements specific to parts of the appliance
having burners with an automatic burner control system . 46
7.4.1 Accumulation of un-burnt gas in the appliance . 46
7.4.2 Manually operated devices (see 5.4.1) . 48
7.4.3 Safety times . 48
7.4.4 Appliances incorporating a hob having touch controls . 48
7.5 Verification of the operational requirements specific to parts of the appliance having
burners with an automatic burner control system . 49
7.5.1 General tests . 49
7.5.2 Specific tests for hobs . 52
7.5.3 Specific tests for ovens and grills . 63
8 Marking and instructions . 72
8.1 Marking . 72
8.1.1 General . 72
8.1.2 Marking and warnings on the appliance . 72
8.1.3 Additional marking and warnings on the appliance . 72
8.1.4 Marking and warning on the packaging. 72
8.1.5 Additional marking on the packaging . 72
8.2 Instructions general . 72
8.3 Instructions for installation . 73
8.3.1 General . 73
8.3.2 Instructions for installation and adjustment . 73
8.3.3 Additional instructions for installation . 73
8.4 Instructions for use and maintenance . 73
Annex A (informative) National situations . 74
Annex B (informative) Guidelines for extension to other categories . 75
Annex C (normative) Characteristics of the pans required . 76
Annex D (normative) Surface temperature probe (7.3.1.5.3.2) . 77
Annex E (normative) Use of the symbol on the appliance and packaging . 78
Annex F (normative) Fault analysis procedure for assessing the safety of the appliance in
the event of failure of any single automatic shut-off valve in the burner control
system . 79
F.1 Explanatory notes . 79
F.2 Procedure. 80
F.3 Explanation of decisions taken during assessment of fault . 80
Annex G (normative) Fragmentation requirement for toughened soda-lime glass . 82
Annex H (normative) Example of multi-ring burners and their operating modes . 83
Annex ZA (informative) Relationship between this European Standard and the essential
requirements of EU Regulation 2016/426/EU aimed to be covered. 84
Bibliography . 87
oSIST prEN 30-1-4:2021
prEN 30-1-4:2021 (E)
European foreword
This document (prEN 30-1-4:2021) has been prepared by Technical Committee CEN/TC 49 “Gas
cooking appliances”, the secretariat of which is held by UNI.
This document is currently submitted to the Enquiry.
This document will supersede EN 30-1-4:2012.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of EU Directive(s).
For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this
document.
It is intended to use this document with FprEN 30-1-1:2021, on which the requirements and methods of
test for appliances having one or more burners with an automatic burner control system are based. In
particular, this document identifies the requirements and methods of test specific to these appliances,
which are in addition to, or replace, those given in FprEN 30-1-1:2021.
This present part is intended to be used together with any other part of EN 30-1-x related to “Safety”,
whenever the appliances covered by this other part includes a burner with an automatic burner control
system.
Requirements relating to ‘Rational use of energy’ are given in other appropriate parts of this document,
EN 30-2-x.
Matters relating to quality assurance systems, production testing and certificates of conformity,
including those for auxiliary devices, are not dealt with in this document.
NOTE For countries requesting special categories (specified in EN 437:2021), the absence of specific
information concerning A.3.3 and A.3.4 implies that the general requirements (see 5.2.4 and 5.1.1) also apply for
particular categories.
Other documents covering domestic cooking appliances burning gas are as follows:
— EN 30-1-1, Domestic cooking appliances burning gas — Part 1-1: Safety — General;
— EN 30-1-2, Domestic cooking appliances burning gas — Part 1-2: Safety — Appliances having forced-
convection ovens and/or grills;
— EN 30-1-3, Domestic cooking appliances burning gas — Part 1-3: Safety — Appliances having a glass
ceramic hotplate;
— EN 30-2-1, Domestic cooking appliances burning gas — Part 2-1: Rational use of energy — General;
— EN 30-2-2, Domestic cooking appliances burning gas — Part 2-2: Rational use of energy —
Appliances having forced-convection ovens and /or grills.
oSIST prEN 30-1-4:2021
prEN 30-1-4:2021 (E)
1 Scope
This document specifies the construction and performance characteristics as well as the requirements
and methods of test for the safety and marking of domestic cooking appliances, capable of using the
combustible gases defined in FprEN 30-1-1:2021 that have one or more burners with an automatic
burner control system, referred to in the text as “appliances”.
This document includes specific requirements and methods of test that are applicable to burners having
an automatic burner control system, whether or not the appliance is equipped with a fan for the supply
of combustion air to, and/or the evacuation of the products of combustion from the burner concerned.
These specific requirements and methods of test are only applicable when the burner has an automatic
burner control system and do not apply to burners having automatic ignition that fall within the scope
of FprEN 30-1-1:2021.
This document is intended to be used in conjunction with FprEN 30-1-1:2021 and, where appropriate,
other parts of EN 30-1 covering appliances having:
— forced-convection ovens and/or grills;
— a glass ceramic hob.
This document does not cover all of the safety requirements and methods of test that are specific to
forced-convection ovens and/or grills and glass ceramic hobs.
Unless specifically excluded hereafter, this document applies to these appliances or their component
parts, whether or not the component parts are independent or incorporated into a single appliance,
even if the other heating components of the appliance use electrical energy (e.g. combined gas-electric
cookers).
This document includes requirements covering the electrical safety of equipment incorporated in the
appliance that is associated with the use of gas. It does not include requirements covering the electrical
safety of electrically heated component parts of their associated equipment .
This document does not apply to:
— outdoor appliances;
— appliances connected to a combustion products evacuation duct;
— appliances having a pyrolytic gas oven;
— appliances having automatic burner control systems that:
— have a second safety time (see EN 298:2012), or
— control one or more burners that incorporate a separate ignition burner;
— appliances having an uncovered burner or a non-enclosed covered burner (see 3.1.1) that utilizes a
fan for the supply of its combustion air;
— appliances having enclosed covered burners that are not equipped with an automatic burner
control system;
— appliances having one or more burners that are capable of remote operation, unless the burner(s)
concerned are:
Refer to the electrical safety rules.
oSIST prEN 30-1-4:2021
prEN 30-1-4:2021 (E)
— oven burners equipped with an automatic burner control system, or
— oven burners of time-controlled ovens that are designed for a delayed start without the user
being present;
— appliances having one or more burners that are capable of on-sight operation, unless the burner(s)
concerned are:
— oven, grill or hob burners equipped with automatic burner control systems, or
— oven burners of time-controlled ovens that are designed for a delayed start without the user
being present;
— appliances supplied at pressures greater than those defined in 7.1.3;
— appliances equipped with air-gas ratio controls;
— appliances incorporating one or more hob or grill burners that enable the user to program the
delayed start of a cooking cycle.
This document does not cover the requirements relating to automatic on-off cycling multi-ring hob
burners for which specific requirements are under consideration.
This document does not cover the requirements relating to third family gas cylinders, their regulators
and their connection.
This document only covers type testing.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
FprEN 30-1-1:-, Domestic cooking appliances burning gas — Part 1-1: Safety — General
prEN 30-1-2:-, Domestic cooking appliances burning gas — Safety — Part 1-2 — Appliances having
forced-convection ovens and/or grills
EN 30-1-3:2003+A1:2006, Domestic cooking appliances burning gas - Part 1-3: Safety - Appliances having
a glass ceramic hotplate
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
EN 126:2012, Multifunctional controls for gas burning appliances
EN 161:2011+A3:2013, Automatic shut-off valves for gas burners and gas appliances
EN 257:2010, Mechanical thermostats for gas-burning appliances

Under preparation. Stage at time of publication: FprEN 30-1-1:2021.
Under preparation. Stage at time of publication: prEN 30-1-2:2021.
oSIST prEN 30-1-4:2021
prEN 30-1-4:2021 (E)
EN 298:2012, Automatic burner control systems for burners and appliances burning gaseous or liquid
fuels
EN 60335-2-6:2015, Household and similar electrical appliances - Safety - Part 2-6: Particular
requirements for stationary cooking ranges, hobs, ovens and similar appliances
EN IEC 60730-2-9:2019, Automatic electrical controls - Part 2-9: Particular requirements for
temperature sensing controls
3 Terms and definitions
For the purposes of this document, unless specifically modified as described in 3.1, the terms and
definitions given in FprEN 30-1-1:2021 and the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:

• ISO Online browsing platform: available at https://www.iso.org/obp
• IEC Electropedia: available at http://www.electropedia.org/
3.1 Additional definitions concerning parts of the appliance
3.4.101
manually operated burner control
device to isolate the gas supply to a burner and possibly to adjust its thermal function during use
Note 1 to entry: A manually operated burner control may be:
— direct-acting: in which case the device is mechanical in operation (e.g. a tap or cock) and the gas flow
is controlled directly by manipulation of a knob as defined in FprEN 30-1-1:2021, 3.4.3.1;
— indirect: in which case the opening and closing of the gas supply to the burner is achieved indirectly
by means of one or more automatic shut off valves. This control may incorporate means of adjusting the
thermal function of the burner. For example:
— by adjusting the gas flow (e.g. high-low thermostat);
— by on-off cycling (e.g. on-off thermostat, gas energy regulator).
3.4.102
remote on-site operation
operation by means of a separate hand-held control designed for use only when the appliance is in the
same room/space as the user of the control and it is in-sight of the user of the control
Note 1 to entry: Examples of remote communication which are considered to be on-site include but are not limited
to:
– NFC (near field communication);
– optical communication with line of sight (infrared rays or visual rays);

This document is impacted by A1:2020 and A11:2020.
This document is impacted by A1:2019 and A2:2020.
oSIST prEN 30-1-4:2021
prEN 30-1-4:2021 (E)
– hardwired configurations constructed of physical media;
3.2 Additional definitions concerning appliances having burners with an automatic
burner control system
3.2.1 Definitions concerning the appliance components
3.2.1.1
combustion circuit
assembly comprising the air supply circuit, the combustion chamber and the products of combustion
circuit up to the outlet of the appliance
3.2.1.2
fully pre-mixed gas and air burner
burner in which the gas and a quantity of air, corresponding to at least that theoretically required to
achieve complete combustion, are mixed upstream of the burner ports
3.2.2 Definitions concerning adjusting, control and safety devices
3.2.2.1
total air adjuster
device enabling the total air flow required for the burner or, where appropriate, the burners to be set to
predetermined value according to the supply conditions
Note 1 to entry: The operation of changing the setting of this device is termed the “adjustment of the total air”.
3.2.2.2
touch control
indirect manually operated burner control actuated by contact or the close proximity of a finger, with
little or no movement of the contact surface
3.2.2.3
touch control pad
one of the contact surfaces of a touch control by which it is actuated
3.2.2.4
gas energy regulator
indirect manually operated burner control that cycles the burner on and off periodically
Note 1 to entry: The thermal function of the burner can be controlled by adjusting the duration of the “on” and/or
“off” cycles times.
3.2.2.5
automatic single burner control system
automatic single burner control system comprising at least a single burner programming unit and all
the elements of a flame detector device
Note 1 to entry: The various functions of an automatic burner control system may be in one or more housings.
Note 2 to entry: Similarly, the automatic burner control systems for several burners may be in the same housing.
In this case the single burner programming units and all elements of the flame detector devices for these burners
are so arranged as to provide independent control of each burner.
oSIST prEN 30-1-4:2021
prEN 30-1-4:2021 (E)
3.2.2.6
single burner programming unit
programming unit that reacts to signals from control and safety devices, gives control commands,
controls the start-up sequence, supervises the burner operation and causes controlled shut-down, and
if necessary, safety shut-down and lock-out
Note 1 to entry: The programming unit follows a predetermined sequence of actions and always operates in
conjunction with a flame detector device.
3.2.2.7
automatic multi-burner control system
automatic multi-burner control system capable of controlling two or more burners simultaneously
Note 1 to entry: It comprises at least a multi-burner programming unit and all the elements of the flame detector
devices for the burners controlled. The various functions of this automatic burner control system may be in one or
more housings.
3.2.2.8
multi-burner programming unit
programming unit that reacts to signals from control and safety devices, gives control commands,
controls the start-up sequences of the burners, supervises their operation and causes controlled shut-
down, and if necessary, safety shut-down and lock-out of the burner or burners
Note 1 to entry: The programming unit follows predetermined sequences of actions and always operates in
conjunction with a flame detector device for each of the burners controlled.
Note 2 to entry: According to predetermined sequences it may enable the burner to start up independently, or in
combination with other burners, even when one or more burners are already in operation. It supervises their
operation independently and causes controlled shut-down, safety shut-down and, if appropriate, lock-out of one
or all of the burners under its control.
3.2.2.9
programme
sequence of control operations determined by the programming unit involving switching on, starting
up, supervising and switching off the burner
3.2.2.10
flame detector device
device by which the presence of a flame is detected and signalled
Note 1 to entry: It can consist of a flame sensor, an amplifier and a relay for signal transmission. These parts, with
the possible exception of the actual flame sensor, may be assembled in a single housing for use in conjunction with
a programming unit.
3.2.2.11
flame signal
signal given by the flame detector device, normally when the flame sensor senses a flame
3.2.2.12
flame simulation
condition that occurs when the flame signal indicates the presence of a flame when in reality no flame is
present
oSIST prEN 30-1-4:2021
prEN 30-1-4:2021 (E)
3.2.2.13
automatic shut-off valve
valve which opens when energized and closes automatically when de-energized
3.2.2.14
air proving device
device that monitors the air provided by a fan and which causes safety shut-down of the burner(s)
controlled by the device in the event of there being inadequate combustion air
3.2.2.15
thermal cut-out
device which during abnormal operation limits the temperature of the controlled part automatically by
shutting off the gas supply to the burner or by reducing its heat input, and which is constructed so that
its setting cannot be altered by the user
3.2.2.16
self-resetting thermal cut-out
thermal cut-out which as appropriate initiates automatic recycling of the burner or automatic
restoration of the full heat input of the burner after the relevant part of the appliance has cooled down
sufficiently
3.2.2.17
non-self-resetting thermal cut-out
thermal cut-out which requires a manual operation, or the replacement of a part, in order as
appropriate to restart the burner or to restore its full heat input
3.2.3 Definitions concerning the operation of the appliance
3.2.3.1
start gas rate
mean volume rate or mass rate during the safety time where this gas rate is limited by design for the
purposes of ignition
3.2.3.2
start gas flame
flame that can only be established at the start gas rate of the burner
3.2.3.3
main flame
flame established, or capable of being established, at the full-on gas rate of the burner for the purposes
of ignition
3.2.3.4
running condition of the system
either:
condition of the automatic single burner control system in which the burner is in normal operation
under the supervision of the single burner programming unit and its flame detector device,
or:
conditions of the automatic multi-burner control system in which one or more burners are in normal
operation under the supervision of the multi-burner programming unit and their individual flame
detector devices
oSIST prEN 30-1-4:2021
prEN 30-1-4:2021 (E)
3.2.3.5
ignition energy restoration
process by which, after disappearance of the flame signal in the running condition or, where
appropriate, in the event of failure to ignite, the ignition device is energized again without the gas
supply having been totally interrupted
Note 1 to entry: This process ends with the restoration of the running condition or, if there is no flame signal at
the end of the safety time:
either:
with volatile or non-volatile lock-out of the system,
or:
according to the design of the automatic multi-burner control system, with volatile or non-volatile lock-out of the
burner.
3.2.3.6
automatic recycling (of the system)
process by which, following accidental interruption of the operation of the automatic burner control
system, loss of flame signal during the running condition or, where appropriate, failure to ignite, the gas
supply to all of the burners controlled by the automatic burner control system is interrupted and the
complete start sequence is automatically re-initiated
Note 1 to entry: This process ends with the restoration of the running condition or, if there is no flame signal at
the end of the safety time, or if the cause of the accidental interruption has not disappeared, with volatile lock-out
or non-volatile lock-out of the system.
3.2.3.7
automatic recycling (of the burner)
process within an automatic multi-burner control system by which, following loss of flame signal during
the running condition or, where appropriate, failure to ignite, the gas supply to the burner concerned is
interrupted and the burner start sequence is automatically re-initiated
Note 1 to entry: This process ends with the restoration of the running condition or, if there is no flame signal at
the end of the safety time, with volatile lock-out or non-volatile lock-out of the system or with volatile or non-
volatile lock-out of the burner.
3.2.3.8
controlled shut-down
process by which the power to the automatic shut-off valve(s) is removed in order to shut off the supply
of gas to a burner under the control of an automatic burner control system within the extinction safety
time, e.g. as a result of the action of a controlling function
3.2.3.9
safety shut-down (of the system)
process which is effected immediately following the detection of a fault in the burner control system or
the response of a safety limiter or sensor and which shuts off the gas supply to all burners under the
control of the automatic burner control system within the extinction safety time by removing the power
to all of their automatic shut-off valves
oSIST prEN 30-1-4:2021
prEN 30-1-4:2021 (E)
3.2.3.10
safety shut-down (of the burner)
process which is effected immediately following the response of a safety limiter or sensor and which
shuts off the gas supply to the burner concerned within the extinction safety time by removing the
power to its automatic shut-off valve(s)
3.2.3.11.1
non-volatile lock-out (of the system)
safety shut-down condition of the system, such that a restart of the automatic burner control system
can only be accomplished by a manual reset of the system and by no other means
3.2.3.11.2
volatile lock-out (of the system)
safety shut-down condition of the system, such that a restart of the automatic burner control system
can only be accomplished by either the manual reset of the system, or an interruption of the electrical
supply and its subsequent restoration
3.2.3.11.3
non-volatile lock-out
...

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