Bsi bs en 14543 2005 + a1 2007

BRITISH STANDARD

Specification for
dedicated liquefied
petroleum gas
appliances —
Parasol patio heaters —
Flueless radiant
heaters for outdoor
or amply ventilated
area use

The European Standard EN 14543:2005, incorporating amendment
A1:2007, has the status of a British Standard

ICS 97.100.20

12&23<,1*:,7+287%6,3(50,66,21(;&(37$63(50,77('%<&23<5,*+7/$:

BS EN
14543:2005
+A1:2007


BS EN 14543:2005+A1:2007

National foreword
This British Standard is the UK implementation of EN 14543:2005+A1:2007,
incorporating amendment A1:2007.
The start and finish of text introduced or altered by amendment is indicated in
the text by tags !". Tags indicating changes to CEN text carry the number

of the CEN amendment. For example, text altered by CEN amendment A1 is
indicated by !".
The UK participation in its preparation was entrusted to Technical Committee
GSE/24, Dedicated LPG appliances.
A list of organizations represented on this committee can be obtained on
request to its secretary.
This publication does not purport to include all the necessary provisions of a
contract. Users are responsible for its correct application.
Compliance with a British Standard cannot confer immunity from
legal obligations.

This British Standard was
published under the authority
of the Standards Policy and
Strategy Committee
on 12 December 2005
© BSI 2007

ISBN 978 0 580 59702 2

Amendments issued since publication
Amd. No.

Date

Comments

17293

31 August 2007

Implementation of CEN amendment
A1:2007


EN 14543:2005+A1

EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM

June 2007

ICS 97.100.20

English Version

Specification for dedicated liquefied petroleum gas appliances Parasol patio heaters - Flueless radiant heaters for outdoor or
amply ventilated area use
Spécifications pour les appareils fonctionnant
exclusivement aux gaz de pétrole liquéfiés - Parasols pour
chauffage de terrasse - Appareils de chauffage radiants
non raccordés utilisés à l'extérieur ou dans des espaces
largement ventilés

Festlegungen für Flüssiggasgeräte - TerrassenSchirmheizgeräte - Abzugslose Terrassenheizstrahler zur
Verwendung im Freien oder in gut belüfteten Räumen

This European Standard was approved by CEN on 27 April 2007.
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 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 Management Centre has the same status as the
official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: rue de Stassart, 36

© 2007 CEN

All rights of exploitation in any form and by any means reserved
worldwide for CEN national Members.

B-1050 Brussels

Ref. No. EN 14543:2005+A1:2007: E


EN 14543:2005+A1:2007 (E)

Contents

FOREWORD ............................................................................................................................... 4

1

SCOPE .................................................................................................................................. 5

2

NORMATIVE REFERENCES................................................................................................ 5

3

TERMS AND DEFINITIONS.................................................................................................. 6

4

CLASSIFICATION AND DESIGNATION .............................................................................. 9

5

DESIGN REQUIREMENTS ................................................................................................... 9

5.1

General.................................................................................................................................................................................................. 9

5.2

Suitability for various gases ............................................................................................................................................................... 9

5.3

Materials................................................................................................................................................................................................ 9

5.4

Assembly – Sturdiness...................................................................................................................................................................... 10

5.5

Stability of the appliance................................................................................................................................................................... 10

5.6

Gas circuit........................................................................................................................................................................................... 10

5.7
Burner ................................................................................................................................................................................................. 11
5.7.1
Burner design .............................................................................................................................................................................. 11
5.7.2
Injector......................................................................................................................................................................................... 11
5.7.3
Primary air admission.................................................................................................................................................................. 11
5.7.4
Ignition device ............................................................................................................................................................................. 11
5.7.5
Operating visibility ....................................................................................................................................................................... 12
5.7.6
Device for protection against accidental contact with the burner ................................................................................................ 12
5.8
Auxiliary devices................................................................................................................................................................................ 12

5.8.1
Valves.......................................................................................................................................................................................... 12
5.8.2
Flame failure device .................................................................................................................................................................... 13
5.8.3
Atmosphere sensing device ........................................................................................................................................................ 13
5.8.4
Electrical equipment .................................................................................................................................................................... 13
5.8.5
Thermostat .................................................................................................................................................................................. 13
5.9

Gas cylinder housing......................................................................................................................................................................... 13

5.10 Protection against contact with reflector ........................................................................................................................................ 14
5.10.1
General........................................................................................................................................................................................ 14
5.10.2
Dimensions and location ............................................................................................................................................................. 14
5.10.3
Alternative protection device ....................................................................................................................................................... 14

6

OPERATING REQUIREMENTS.......................................................................................... 14

6.1

Soundness of gas circuit .................................................................................................................................................................. 14

6.2

Verification of the nominal heat input.............................................................................................................................................. 14

6.3
Operating safety................................................................................................................................................................................. 14
6.3.1
Resistance of burner to overheating ........................................................................................................................................... 14
6.3.2
Temperature rise ......................................................................................................................................................................... 14
6.3.3
Ignition, cross-ignition, flame stability.......................................................................................................................................... 16
6.3.4
Wind resistance........................................................................................................................................................................... 16
6.3.5
Rain resistance............................................................................................................................................................................ 16
6.3.6
Soot accumulation....................................................................................................................................................................... 16
6.3.7
Low-temperature ignition............................................................................................................................................................. 16
6.3.8
Operation of the flame failure device........................................................................................................................................... 16
2


EN 14543:2005+A1:2007 (E)
6.3.9
6.3.10

Atmosphere sensing device ()..................................................................................................................................................... 16

Electrical safety ........................................................................................................................................................................... 17

6.4

Combustion ........................................................................................................................................................................................ 17

6.5

Performances ..................................................................................................................................................................................... 17

7
7.1

TEST METHODS .................................................................................................................17
Test conditions................................................................................................................................................................................... 17

7.2
Verification of compliance with design requirements.................................................................................................................... 17
7.2.1
Stability of the appliance ............................................................................................................................................................. 17
7.2.2
Protecting against accidental contact with the burner ................................................................................................................. 17
7.3
Verification of compliance with operating requirements ............................................................................................................... 18
7.3.1
Absence of leakage in the gas circuit.......................................................................................................................................... 18
7.3.2
Heat input .................................................................................................................................................................................... 19
7.3.3
Safety of operation ...................................................................................................................................................................... 20

7.3.4
Combustion ................................................................................................................................................................................. 26
7.3.5
Performances .............................................................................................................................................................................. 26

8

MARKING, PACKAGING AND INSTRUCTIONS................................................................27

8.1

General................................................................................................................................................................................................ 27

8.2

Marking of the appliance ................................................................................................................................................................... 27

8.3

Marking of the packaging.................................................................................................................................................................. 28

8.4

Installation and operating instructions............................................................................................................................................ 28

ANNEX A (NORMATIVE) SPECIAL NATIONAL CONDITIONS ..............................................31
ANNEX B (INFORMATIVE) LPG CYLINDER FLOW RATE ....................................................35
ANNEX C (INFORMATIVE) PERFORMANCE .........................................................................36
ANNEX ZA (INFORMATIVE) CLAUSES OF THIS EUROPEAN STANDARD ADDRESSING
ESSENTIAL REQUIREMENTS OR OTHER PROVISIONS OF EU DIRECTIVES. ...................38

BIBLIOGRAPHY........................................................................................................................40

3


EN 14543:2005+A1:2007 (E)

Foreword
This document (EN 14543:2005+A1:2007) has been prepared by Technical Committee CEN/TC 181 “Dedicated
liquefied petroleum gas appliances”, the secretariat of which is held by AFNOR.
This document shall be given the status of a national standard, either by publication of an identical text or by
endorsement, at the latest by December 2007 and conflicting national standards shall be withdrawn at the latest by
December 2007.
This document includes Amendment 1, approved by CEN on 2007-04-27.
This document supersedes EN 14543:2005.
The start and finish of text introduced or altered by amendment is indicated in the text by tags ! ".
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 90/396/EEC.
For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document.
Annex A is normative.
Annexes B,C and ZA are informative.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden,
Switzerland and United Kingdom.

4

EN 14543:2005+A1:2007 (E)

1

Scope

This European standard specifies the design, safety and marking requirements and test methods for flueless patio
heaters for outdoor or amply ventilated area use only.
Although they are not covered by this standard, the requirements of this standard are applicable to appliances that
may be used inside habitations which, in addition, shall have a heat input not exceeding 4,2 kW and comply with
EN 449.
These appliances are for use exclusively with gases of the third family as defined in Clause 4.
This European standard applies to appliances that have a nominal heat input not exceeding 17 kW (based on the
gross calorific value);


fixed or,



movable, including those which comprise a housing for a transportable and rechargeable liquefied petroleum
gas cylinder.

This European standard does not apply to appliances equipped with a fan for either combustion or circulation of the
convection air.
This European standard does not cover LPG containers for liquefied petroleum gas, neither their associated
regulator nor tubing and flexible hoses which shall comply with national requirements in force.
This European standard does not lay down any specific requirements for the thermal efficiency of this type of
appliances, but the requirements relating to combustion, which is a safety matter, ensure that the gas fuel will burn
efficiently. However a method to measure the performance is described in informative Annex C.

This standard does not apply to appliances covered by EN 416-1, EN 419-1, EN 449, EN 461 and EN 521.
This European standard only covers type testing.
Items relating to quality assurance systems, production testing and particularly certificates of conformity of auxiliary
equipment are not covered by this European standard.

2

Normative references

The following referenced documents are indispensable for the application 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.
EN 125

Flame supervision devices for gas burning appliances – Thermo-electric flame
supervision devices

EN 126

Multifunctional controls for gas burning appliances

EN 161

Automatic shut-off valves for gas burners and gas appliances

EN 257

Mechanical thermostats for gas burning appliances

EN 298

Automatic gas burner control systems for gas burners and gas burning appliances with or
without fans

EN 437:2003

Test gases - Test pressures - Appliance categories

EN 449

Specification for dedicated liquefied petroleum gas appliances - Domestic flueless space
heaters (including diffusive catalytic combustion heaters)
5


EN 14543:2005+A1:2007 (E)

EN 549

Rubber materials for seals and diaphragms for gas appliances and gas equipment

EN 751-1

Sealing materials for metallic threaded joints in contact with 1 , 2
and hot water – Part 1: Anaerobic jointing compounds

EN 751-2

Sealing materials for metallic threaded joints in contact with 1 , 2
and hot water – Part 2: Non-hardening jointing compounds

EN 751-3

Sealing materials for metallic threaded joints in contact with 1 , 2
and hot water – Part 3: Unsintered PTFE tapes

EN 60335-1:2002

Household and similar electrical appliances – Safety - Part 1: General requirements (IEC
60335-1:2001, modified)

!EN 60335-2-102

Household and similar electrical appliances - Safety - Part 2-102: Particular requirements
for gas, oil and solid-fuel burning appliances having electrical connections (IEC 60335-2102:2004, modified)"

EN ISO 228-1:2003,

Pipe threads where pressure-tight joints are not made on the threads — Part 1:
Dimensions, tolerances and designation (ISO 228-1:2000)

ISO 7-1:1994,

Pipe threads where pressure-tight joints are made on the threads — Part 1: Dimensions,
tolerances and designation

3

st

nd

and 3 family gases

rd

st

nd

and 3 family gases

st

nd

and 3 family gases

rd

rd

Terms and definitions

For the purposes of this European Standard, the following terms and definitions apply.
3.1
fixed heating appliance
appliance designed to be fixed, for example wall-mounted, on a table, ground-installed or suspended
3.2
movable heating appliance

self-powered heating appliance in which the gas cylinder can be fitted inside the body or chassis of the appliance,
and designed to be moved without requiring lifting
3.3
amply ventilated area
volume in which the permanent opening directly connected to outdoors is at least 25 % of the walls surface
3.4
ignition device
device to ignite one or more burners directly or indirectly, for instance through a flash tube.
It may be either electric (resistance, spark, etc.) or thermal (pilot, etc.)
[EN 449:2002]
3.5
flame supervision device
device including a sensing element which causes the gas supply to a burner to be opened or closed according to
the presence or absence of the flame which activates the sensing element
[EN 449:2002]
3.6
atmosphere sensing device
device that is designed to shut off the gas supply when the carbon dioxide concentration of the surrounding
atmosphere exceeds a given level. Such a device normally comprises a vitiation sensitive pilot in conjunction with a
suitable flame supervision device
6


EN 14543:2005+A1:2007 (E)
[EN 449:2002]
3.7
injector
component part that admits the gas into an aerated burner. There are two types of injectors:


calibrated injector: where the section of the outlet orifice is fixed ;



adjustable injector: where the section of the outlet orifice is variable

[EN 449:2002]
3.8
burner
component that allows the gas to burn
3.9
ignition delay time
time between the moment when the gas is lit at the pilot (or main burner, if there is no pilot) and that when the
flame supervision device acts
3.10
extinction delay time
time between the moment when the pilot and burner are extinguished by shutting off the gas supply and the
moment when, after restoring the supply, the flow of gas to the appliance ceases through the action of the flame
supervision device
3.11
calorific value
quantity of heat produced by the complete combustion, at a constant pressure equal to 1 013,25 mbar, of a unit
volume or mass of gas, the constituents of the combustible mixture being taken at reference conditions and the
products of combustion being brought back to the same conditions
A distinction is made between:
. the gross calorific value Hs: the water produced by combustion is assumed to be condensed;
. the net calorific value Hi: the water produced by combustion is assumed to be in the vapour state
NOTE The calorific value is expressed:
3

. either in megajoules per cubic metre (MJ/m ) of dry gas under the reference conditions;

. or in megajoules per kilogram (MJ/kg) of dry gas.
[EN 437:2003]
3.12
relative density
d
ratio of the masses of equal volumes of dry gas and dry air under the same conditions of temperature and
pressure: 15 °C or 0 °C and 1 013, 25 mbar
[EN 437:2003]
3.13
Wobbe index
gross Wobbe index Ws; net Wobbe index Wi
ratio of the calorific value of a gas per unit volume and the square root of its relative density under the same
reference conditions. The Wobbe index is said to be gross or net according to whether the calorific value used is
the gross or net calorific value
7


EN 14543:2005+A1:2007 (E)

NOTE The Wobbe indices are expressed:
3

.− either in megajoules per cubic metre (MJ/m ) of dry gas under the reference conditions
.− or in megajoules per kilogram (MJ/kg) of dry gas.

[EN 437:2003]
3.14
heat input

Q
quantity of energy used in unit time corresponding to the volumetric or mass flow rates, the calorific value used
being either the net or gross calorific value
NOTE The heat input is expressed in kilowatts (kW)

[EN 437:2003]
3.15
nominal heat input
Qn
value of the heat input declared by the manufacturer
[EN 437:2003]
3.16
mass flow rate
M
mass of gas consumed by the appliance in unit time during continuous operation
NOTE The mass flow rate is expressed in kilograms per hour (kg/h) or grams per hour (g/h)

[EN 437:2003]
3.17
volume flow rate
V
volume of gas consumed by the appliance in unit time during continuous operation
3

NOTE The volume flow rate is expressed in cubic metres per hour (m /h), litres per minute (l/min), cubic decimetres per hour
3
3
(dm /h) or cubic decimetres per second (dm /s).

[EN 437:2003]

3.18
cold condition
state of the appliance when it is at ambient temperature
3.19
reference conditions
these correspond to 15 °C, 1 013, 25 mbar, unless otherwise specified
[EN 437:2003]

8


EN 14543:2005+A1:2007 (E)

4

Classification and designation
rd

The appliances covered by this European Standard belong to 3 family gas categories defined in 6.1.2.3 of EN
437:2003.
For national situations see Annex A.

5

Design requirements

5.1 General
Unless otherwise specified, the design requirements shall be verified by examining the appliance and its operating
instructions.
Depending on their operating height, and according to table 1 the patio heaters:

-

shall not exceed the nominal heat input stated;

- shall be fitted with one or two grids to protect against accidental contact respectively with working surface
and/or reflector.
For adjustable appliances the minimum operating position shall be considered.
Table 1 – Nominal heat input and protection grids relating to the height of the appliance
Minimum operating height : h

Maximal nominal heat
input kW (Hs) a

Grid required to prevent from
contact with the working
surface a (see 5.7.6)

Grid required to prevent
from contact with the
reflector b (see 5.10)

h ≤ 1,3

6

YES

YES

1,3 < h ≤ 1,6

10

YES

YES

1,6 < h ≤ 2,0

15

YES

NO

h > 2,0

17

NO

NO

m

a The height h to be considered is the height of the lower rim of the working surface from the ground.
b

The height h to be considered is the height of the lower rim of the reflector from the ground.

NOTE: For appliances to be fixed on a table the height h is the sum of the heights of the table and the
appliance.

5.2 Suitability for various gases
The appliance shall be delivered for operation with only one category of gas and for only one operating pressure or
pressure combination. Operation with another category of gas or pressure or pressure combination shall not be
allowed.
No provision shall be made for adjusting any part of an appliance which has been pre-set by the manufacturer.

5.3 Materials
The quality and thickness of the materials used for the construction of an appliance shall be such that the
performances are not impaired during use.
In particular, all components of the appliance shall be capable of withstanding any mechanical, chemical and
thermal effects to which they may be subjected during use. Under normal operating, cleaning and adjustment
conditions, the materials shall not suffer any permanent distortion which could impair proper operation. Metal parts
shall be effectively protected against corrosion.
9


EN 14543:2005+A1:2007 (E)

The accessible parts during use or service of the appliance, the outer profile and the parts of the appliance with
which the flexible house may be in contact shall be free of sharp corners or edges.
Materials containing asbestos shall not be used.

5.4 Assembly – Sturdiness
The design of the appliance shall be such that under normal operating conditions, maintenance, and transport for
movable appliances, no displacement of parts, distortion or damage likely to impair proper operation is detected.
In particular, the appliances for which the height is adjustable shall be fitted with a blocking device of the
burner/deflector assembly, which cannot be unintentionally deactivated.

5.5 Stability of the appliance
5.5.1 In the case of wall-mounted, suspended or ground-installed appliances, the laboratory shall be able to
assess this stability by performing a visual and mechanical inspection.
5.5.2 In the case of movable appliances or appliances intended to be put on the ground or on a table, the
appliance shall not tilt over when placed in the most unfavourable position on a 10° inclined plane. For appliances
equipped with their own gas supply, the stability test shall be carried out successively without gas cylinder, then
with the gas cylinders full and empty, these being of the maximum and minimum sizes recommended by the
manufacturer of the appliance. The cylinder shall not become dislodged during the test.
For appliances intended to be incorporated or installed in/on a table:
-

if the table is supplied by the manufacturer with the appliance the whole assembly of the two
components shall comply with the 10° stability test.

-

if the appliance may be separated from the table it shall comply with the 10° stability test without the
table.

-

if the table is not supplied by the manufacturer with the appliance, the appliance alone shall comply with
the 10° stability test.

-

for appliances to be fixed on a table, the table corresponding to the worst case described in the
instructions (weight, dimensions...) shall be supplied to the laboratory by the manufacturer with the
appliance for the 10° stability test. The instructions and packaging will give information relating to the

table (see 8.3 and 8.4)

5.5.3 All the appliances, excepted those defined in 3.1, shall in addition be fitted with a safety device which shuts
off the gas supply to the burner if the appliance is overturned.
5.5.4 In the case of movable wheel- or roller-mounted appliances, means shall be provided to prevent accidental
displacement of the appliance during normal use.
The locking device, if any, shall not be liable to accidental activation.
5.5.5

The requirements set out in this clause shall be verified under the test conditions described in 7.2.1.

5.6 Gas circuit
The functioning of any safety device shall not be overruled by that of any control device.
Parts which are adjusted at the stage of manufacture and which should not be manipulated by the user shall be
appropriately protected.
Holes for screws, lugs, etc., up-stream of the injector ports and intended for assembly of the components shall not
lead into spaces specifically intended for the circulation of gas.

10


EN 14543:2005+A1:2007 (E)
Soundness of shut-off devices or threaded elements of the gas circuit shall be ensured by mechanical means (for
example, metal seals, O-rings, etc.), i.e. excluding the use of sealing materials in the thread. However, for those
parts which do not require dismantling during normal maintenance, for example valves, injectors, the use of
suitable sealing materials in the thread conforming with EN 751 serial standards shall be acceptable.
Sealing materials according to EN 549 shall not be subject to ageing, nor to any deformation (reduction or increase
in volume) likely to impair safety under normal operating conditions.
None of the sealing joints in the gas circuit shall be made by soft soldering or any other process in which the lowest
temperature of the melting range is below 450 °C. Parts which can be dismantled shall remain leakproof after

dismantling and reassembly, and after possible replacement of the seal if specified in the operating instructions.
Sealing washers, according to EN 549, and hoses, made of non metallic materials, shall be suitable for their
intended use, specially concerning their resistance to LPG and the temperatures encountered during the use of the
appliance.
Any tube or flexible hose complying with a recognised standard, used under its approved service conditions and
according to the national regulations in force may be used.
Depending on the various national situations (see Annex A) the end of the supply pipework shall be fitted either
with:
- a nozzle allowing the connection of a tubing; the nozzle may be fixed or removable;
- a fixed or removable cylindrical, smooth and clean part, at least 30 mm long allowing connection by means of a
gastight compression fitting;
- a thread in accordance with EN ISO 228-1:2003 or ISO 7-1:1994.
During normal conditions of use connections shall not come loose unintentionally.
Tubing or flexible hose of the length recommended by the manufacturer and connected in accordance with the
instructions, shall not come into contact with a part of the appliance whose temperature is higher than that
guaranteed by the tubing or flexible hose manufacturer.
Disconnection of the internal piping is acceptable for the purpose of assembling or installing the appliance,
provided the installation instructions mention the precautions to be taken when performing this operation in
particular to ensure that the gas circuit remains leak-proof.

5.7 Burner
5.7.1

Burner design

The burner position shall be fixed in relation to the body of the appliance; it shall not be possible to reassemble it in
a position other than that intended by the manufacturer. The component materials of the burner shall be such that
the burner is not liable to melting, deformation or damage which could impair its normal operation, even after the
induced internal combustion test defined in 7.3.3.1.
5.7.2

Injector

The injector shall be non adjustable and, if it can be disassembled, shall be marked.
5.7.3

Primary air admission

No adjustment of the primary air by the user shall be possible. The primary air admission ports shall be arranged in
such a manner that they cannot be accidentally obstructed.
5.7.4

Ignition device

The burner or, if fitted, the pilot burner, shall be readily accessible at all times so that it can be safely ignited with a
match, even if the appliance is equipped with an automatic ignition device.
11


EN 14543:2005+A1:2007 (E)

All components of the ignition device shall be designed to ensure that they cannot be damaged or moved during
operation. The position of the ignition device in relation to the burner shall be invariable.
The maximum heat input during ignition shall not exceed 5 kW (Hs) under the test conditions of 7.3.2.2.
5.7.5

Operating visibility

The proper ignition and operation of the burner shall be easy to verify at all times without having to dismantle any
component.

5.7.6
5.7.6.1

Device for protection against accidental contact with the burner
General

A protective grid shall be fitted on all appliances, except those whose working surfaces are permanently designed
(lower position for height adjustable appliances) for location more than 2 m from the ground directly beneath the
appliance.
The protective grid is not considered as a working surface.
The protective grid shall comply with the requirements of 5.7.6.2, 5.7.6.3 and 5.7.6.4.
5.7.6.2

Dimensions

No opening in the grid, or between the grid and the opening to be protected shall have dimensions greater than
30 mm, or a free surface area greater than 9 cm2.
When part of the grid is located at less than 3 mm from the opening edge to be protected, this part shall be deemed
to extend to the edge of the opening to be protected.
No outlet for the combustion products shall have dimensions greater than 30 mm, or a free surface area greater
than 9 cm2.
5.7.6.3

Testing with the cone

It shall not be possible to touch the radiant active part of the burner or flames for non radiant burners, with any part
of the test cone shown in Figure 1, even after the specified test force has been applied in accordance with 7.2.2.2.
5.7.6.4

Traction test

The grid shall not become detached, displaced or permanently deformed when tested in accordance with 7.2.2.3.

5.8 Auxiliary devices
5.8.1

Valves

Each appliance shall be fitted with a manual flow control device conform with EN 126, EN 161, or EN 298 to ensure
proper ignition of the burner and of the pilot burner, if any (see 5.7.4).
Extinction may be obtained:


by a valve on the appliance, where fitted. The various positions of the valve shall then be unambiguously
marked, and the meaning of the markings shall be indicated in the operating instructions; or



by a valve or switch located on the supply line, or by the valve on the cylinder or the regulator, which shall
remain readily accessible; or



by shutting off the auxiliary power, either at the appliance or by a remote actuator.

12


EN 14543:2005+A1:2007 (E)
In the case where a single knob operates a safety device controlling both the burner and the pilot burner, no

marking shall be required if improper operation is impossible. In all other cases, the OFF position shall be indicated
by a full disc or circle having a minimum diameter of 3 mm.
If the controls are actuated by rotation, the OFF position shall be obtained by clockwise rotation when observing the
control frontally.
5.8.2

Flame failure device

Each appliance shall be fitted with a flame monitoring device complying with EN 125 which controls the supply or
interruption thereof to the burner and pilot burner, where fitted. The device shall be designed to ensure that in the
event of malfunction of any component essential to its operation, the gas supply to the burner is automatically shut
off.
The appliance shall not be fitted with any device for permanently overriding, without sustained manual operation,
the operation of the flame monitoring device. During ignition, however, temporary supply of gas without the
presence of a flame is permitted under the conditions specified in 7.3.3.9.
The relative positions of the pilot burner, where fitted, the flame monitoring device and the burner shall be fixed.
5.8.3

Atmosphere sensing device

If an atmosphere sensing device, or equivalent, intended to prevent the release of combustion products in a
dangerous quantity is fitted on the appliance, it shall comply with 6.3.9.
5.8.4

Electrical equipment

The electrical equipment of the appliance shall be so designed and constructed as to obviate hazards of an electrical
origin. The appliance shall comply with the requirements of EN 60335-2-102 which cover such hazards.'
5.8.5

Thermostat

If fitted with the appliance, any thermostat shall comply with EN 257.

5.9 Gas cylinder housing
!When the appliance includes a gas cylinder housing, this shall be designed so as not to allow the use of
cylinders in which the nominal gas capacity exceeds 20 kg."
The dimensions of the opening and of the inside of the housing shall be sufficient to allow the easy introduction,
use and removal of the cylinder fitted with its pressure-reducing regulator.
The gas line from the cylinder to the appliance shall be such as to not impair the correct functioning and the safety
of the appliance.
The housing shall be designed in such a way that:


efficient ventilation is achieved through openings in its lower and upper section; the total surface area of the
openings in the upper section being equal to or greater than 1/100 of the base surface area of the housing,
and that of the openings in the lower section being equal to or greater than 1/50 of the base surface area of
the housing;



the gas cylinder receptacle has sufficient mechanical strength to not be distorted by the mass of a full cylinder;
a design in which the cylinder rests directly on the ground is not permitted;



it does not have a sill extending above the level on which the cylinder rests;



the cylinder may be maintained;



the cylinder valve is directly accessible and remains easy to operate when the cylinder is in position;

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EN 14543:2005+A1:2007 (E)



if the appliance can be connected by means of a tubing or a flexible hose, the latter shall not come in contact
with any sharp edges.

5.10 Protection against contact with reflector
5.10.1 General
In order to avoid any accidental contact with the top of the reflector or its edges a protective grid shall be fitted on
all appliances, except those whose reflector is permanently designed for location more than 1,6 m from the ground
directly beneath the appliance (lower position for height adjustable appliances).
5.10.2 Dimensions and location
No opening in the grid, or between the grid and the reflector, shall have a major dimension exceeding 150 mm and
a minor dimension exceeding 35 mm and a diagonal measurement exceeding 154 mm.
The grid shall be distant from the reflector of at least 25 mm.
5.10.3 Alternative protection device
An alternative protection device (additional shield or any other means giving the same protection) may be used in
replacement or addition to the protective grid described above.
In such a case, the temperature rise of any part of the device shall comply with the relevant requirement of 6.3.2.1

6

Operating requirements

6.1 Soundness of gas circuit
The gas circuit shall be sound. This requirement is deemed to be satisfied if under the test conditions specified in
3
7.3.1 the leakage does not exceed 0,07 dm /h.

6.2 Verification of the nominal heat input
The nominal heat input is expressed on the gross calorific value.
Under the test conditions specified in 7.3.2.1, the burner shall be capable of providing the nominal heat input
indicated by the manufacturer. A tolerance of ± 10 % is allowed.

6.3 Operating safety
6.3.1

Resistance of burner to overheating

When tested according to 7.3.3.1, the various parts of the burner shall not suffer any damage which could impair
operation.
6.3.2
6.3.2.1

Temperature rise
Temperature of the various parts of the appliance.

When tested according to 7.3.3.2, the temperature of parts likely to be handled shall not exceed ambient
temperature by more than:


35 K in the case of metals or equivalent materials;



45 K in the case of ceramics or equivalent materials;



60 K in the case of plastics or equivalent materials.

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EN 14543:2005+A1:2007 (E)
In the same conditions, if the end of the gas inlet can be fitted with a nozzle conforming to the national situations
given in Annex A, this nozzle shall be positioned so that its temperature does not exceed the ambient temperature
by more than 30 K.
When an alternative device to the protective grid of the reflector is fitted (see 5.10.3) and when tested according to
7.3.3.2 not any part of this device shall exceed ambient temperature by more than 80 K.
6.3.2.2

Temperature of the support, walls or adjacent partitions

The temperature of the support on which the appliance stands and, in the case of fixed appliances, the temperature
of neighbouring walls and, where applicable, ceilings or shelves located above the appliance shall not exceed
ambient temperature by more than 50 K when tested according to 7.3.3.2 and in compliance with the minimum
distances specified by the manufacturer in the instructions.
6.3.2.3

Temperature of valves and components

The temperature of valve bodies and components shall not exceed the value specified by the manufacturer for an
ambient temperature of 20 °C, when tested according to 7.3.3.2.
6.3.2.4

Temperature of surfaces in contact with the tubing or the flexible hose

The temperatures of the nozzle and other surfaces in contact with the tubing or the flexible hoses shall not exceed
the maximum temperature guaranteed by the tubing or flexible hose manufacturer.
6.3.2.5

Overheating of the LPG cylinder

When tested according to 7.3.3.3, no overheating of the cylinder shall occur which could result in an increased
vapour pressure in excess of the value given in Table 2:


after 1 h of operation with all burners lit at maximum flowrate;



during the 30 min following complete extinction of the appliance.

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EN 14543:2005+A1:2007 (E)

Table 2 — Maximum pressure increase permissible in the LPG cylinder

Ambient temperature

Pressure

°C

bar

NOTE

6.3.3

Butane

Propane

15

0,40

1,10

20

0,45

1,17

25

0,50

1,28

This increase corresponds to a temperature rise of 5 K above the relevant ambient temperature.

Ignition, cross-ignition, flame stability

The burner shall ignite readily when tested according to 7.3.3.4.
Cross-ignition shall occur correctly and without undue noise.
The operation of the burner shall be stable and without undue noise. A slight tendency to lifting of the flame shall
be accepted on ignition, but the flames shall remain stable after one minute of normal operation.
6.3.4

Wind resistance

When tested according to 7.3.3.5, the appliance shall not extinguish when subjected to an airflow of 3 m/s.
6.3.5

Rain resistance

When tested according to 7.3 3.6 the appliance shall continue to operate safely or shall shut off.
The design of the appliance shall be such that, after the rain test, no permanent water accumulation shall be
possible, neither in the operational and safety parts likely to be corroded nor in the cylinder housing. The appliance
shall be able to restart, eventually assisted by a flame, five minutes after the water supply has been stopped.
6.3.6

Soot accumulation

No soot accumulation shall occur which is likely to impair the safe operation of the appliance when tested according

to 7.3.3.7.
6.3.7

Low-temperature ignition

It shall be possible to light the appliance at 5 °C in test conditions of 7.3.3.8.
The design of the burner and associated devices shall be such that the gas flow can be ensured in a normal
atmosphere, at a temperature of 5 °C. This requirement shall be met when tested according to 7.3.3.8.
6.3.8

Operation of the flame failure device

When tested according to 7.3.3.9, the ignition and extinction delay times shall not exceed:


ignition delay time:



extinction delay time: 90 s.

6.3.9

20 s;

Atmosphere sensing device ()

Under the test conditions of 7.3.3.10, the atmosphere sensing device shall shut off the gas to the appliance before
-6
the CO concentration of the atmosphere exceeds 200 x 10 (V/V).

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EN 14543:2005+A1:2007 (E)
6.3.10 Electrical safety
In the event of normal variations in the auxiliary power, ignition shall be satisfactory.
In the event of abnormal variations in the auxiliary power, the operation of the appliance shall remain safe or the
appliance shall adopt the safety mode.
Should any interruption of the auxiliary power occur during start-up or operation of the appliance, and in the event
of subsequent restoration of supply, the appliance shall operate in a continuous and safe manner or shall switch to
safety mode.
Compliance with these requirements shall be verified in accordance with the provisions of 7.3.3.11.

6.4 Combustion
When tested according to 7.3.4, the CO concentration of the neutral combustion gases shall not be greater than
0,2 %.

6.5 Performances
See informative Annex C.

7

Test methods

7.1 Test conditions
The gases and pressures to be used for the tests shall be those specified in EN 437:2003 for third family gas
categories.
For national situations, see Annex A.
The appliance shall be fitted with injectors suitable for the gases and pressures used.
Unless otherwise specified, the appliance shall be placed in a room with an ambient temperature between 15 °C

and 25 °C.

7.2 Verification of compliance with design requirements
7.2.1

Stability of the appliance

Compliance with the requirements of 5.5.1, 5.5.2 and 5.5.4 shall be verified by visual and mechanical inspection.
Compliance with the requirements of 5.5.3 shall be verified with the appliance inclined and in operation; it shall
switch off the gas supply before the angle has reached 45° to horizontal.
7.2.2
7.2.2.1

Protecting against accidental contact with the burner
Dimensions

Mechanical and dimensional control.
7.2.2.2

Test cone

The appliance is put into normal operation with the reference gas under pn at the nominal heat input. The test cone
illustrated in Figure 1 is applied against the grid openings with a force of 5 N.

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EN 14543:2005+A1:2007 (E)

Dimensions in millimetres

Figure 1 — Test cone
The appliance is allowed to cool to ambient temperature and then positioned so that the plane of the central section
of the grid is horizontal.
A load consisting of a flat disc of diameter 100 mm and mass 5 kg is placed on the grid, half-way between the
securing points. Leave the load in place for 1 min then remove the load. The appliance is restarted to normal
operation with the reference gas at pn and reapply the test cone to the grid openings.
7.2.2.3

Traction test

A force of 20 N is applied to any point and in any direction on the grid.

7.3 Verification of compliance with operating requirements
7.3.1

Absence of leakage in the gas circuit

The components of the gas circuit are tested as follows:


Test No. 1: with all the valves and shut-off devices closed.



Test No. 2: with all the valves open, the injectors of the burners and the pilot burners momentarily stopped,
and all shut-off devices, if any (for example the safety device valves), open.

NOTE
With some components, it may not be possible to stop all the gas exhaust ports in their installed position. In such a

case, they should be disconnected for this test, but they should be inspected with a leakage detection solution (for example
soapy water) using air at the indicated pressure.

The tests are carried out in the cold condition, with air, and with the upstream pressure of the appliance set at
150 mbar.
The tests are carried out first on delivery of the appliance in the condition in which it is marketed, and again after all
the tests described in this European standard are completed.
3

The method used for this test shall be such that the measurement error is less than 0,005 dm /h.

18