FprEN 16510-2-3
(Main)Residential solid fuel burning appliances - Part 2-3: Cookers
Residential solid fuel burning appliances - Part 2-3: Cookers
This document is applicable to cookers for solid fuel (hand fired residential cookers).
The intended use of the appliances is cooking and space heating in residential buildings. They can be fitted with a boiler (integral part of the appliance containing water to be heated up) for the supply of hot water for central heating systems.
These appliances can burn one or more types of the following solid fuels as specified:
- wood logs;
- compressed untreated wood;
- wood pellets;
- lignite briquettes;
- solid mineral fuels;
- peat briquettes.
This document is not applicable to appliances with fan assisted combustion air or appliances that are mechanically fed.
This document specifies procedures for assessment and verification of constancy of performance (AVCP) of characteristics of solid fuel burning cookers.
Häusliche Feuerstätten für feste Brennstoffe - Teil 2-3: Herde
Dieses Dokument ist anzuwenden auf Herde für feste Brennstoffe (handbeschickte Haushaltsherde).
Der Verwendungszweck der Geräte ist Kochen und Raumheizung in Wohngebäuden. Sie können mit wasserführenden Bauteilen (als feste Bestandteile des Gerätes mit zu erhitzendem Wasser) zur Warmwasserbereitung der Zentralheizung ausgestattet sein.
Diese Geräte können wie angegeben einen oder mehrere der folgenden festen Brennstoffe verfeuern:
- Scheitholz;
- Holzbriketts;
- Holzpellets;
- Braunkohlebriketts;
- feste mineralische Brennstoffe;
- Torfbriketts.
Dieses Dokument gilt nicht für Feuerstätten mit Verbrennungsluftgebläse oder mechanisch beschickte Feuerstätten.
Dieses Dokument legt das Verfahren für die Bewertung und Überprüfung der Leistungsbeständigkeit (AVCP) der Eigenschaften von Raumheizern für feste Brennstoffe fest.
Appareils de chauffage domestiques à combustible solide - Partie 2-3 : Cuisinières
Le présent document s'applique aux cuisinières à combustible solide (cuisinières domestiques à alimentation manuelle).
Les usages prévus des appareils sont la cuisson et le chauffage des locaux dans les bâtiments résidentiels. Ils peuvent être équipés d'un bouilleur (faisant partie intégrante de l'appareil et contenant de l'eau à chauffer) pour fournir de l’eau chaude aux systèmes de chauffage central.
Ces appareils peuvent utiliser un ou plusieurs des types de combustibles solides suivants, comme spécifié :
- bûches de bois ;
- bois compressé non traité ;
- granulés de bois ;
- briquettes de lignite ;
- combustibles minéraux solides ;
- briquettes de tourbe.
Le présent document ne s’applique pas aux appareils équipés d’un ventilateur pour l’alimentation en air de combustion ou aux appareils à alimentation mécanique.
Le présent document spécifie des modes opératoires pour l'évaluation et la vérification de la constance des performances (EVCP) des caractéristiques des cuisinières à combustible solide.
Grelne naprave na trdna goriva za stanovanjske stavbe - 2-3. del: Štedilniki
General Information
RELATIONS
Standards Content (sample)
SLOVENSKI STANDARD
oSIST prEN 16510-2-3:2021
01-april-2021
Stanovanjske grelne naprave na trdna goriva - 2-3. del: Štedilniki
Residential solid fuel burning appliances - Part 2-3: Cookers
Häusliche Heizgeräte für feste Brennstoffe - Teil 2-3: Herde
Equipement de chauffage domestique - Partie 2-3 : Cuisiniéres
Ta slovenski standard je istoveten z: prEN 16510-2-3
ICS:
97.040.20 Štedilniki, delovni pulti, Cooking ranges, working
pečice in podobni aparati tables, ovens and similar
appliances
97.100.30 Grelniki na trdo gorivo Solid fuel heaters
oSIST prEN 16510-2-3:2021 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 16510-2-3:2021
DRAFT
EUROPEAN STANDARD
prEN 16510-2-3
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2021
ICS 97.040.20; 97.100.30
English Version
Residential solid fuel burning appliances - Part 2-3:
Cookers
Equipement de chauffage domestique - Partie 2-3 : Häusliche Heizgeräte für feste Brennstoffe - Teil 2-3:
Cuisiniéres HerdeThis draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 295.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 16510-2-3:2021 E
worldwide for CEN national Members.---------------------- Page: 3 ----------------------
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prEN 16510-2-3:2021 (E)
Contents Page
European foreword ....................................................................................................................................................... 4
1 Scope .................................................................................................................................................................... 5
2 Normative references .................................................................................................................................... 5
3 Terms and definitions ................................................................................................................................... 5
4 Descriptive features ....................................................................................................................................... 5
5 Appliances Performance requirements in relation to safety .......................................................... 7
6 Appliances Performance requirements in relation to the appliance operation ...................... 7
7 Appliance instructions .................................................................................................................................. 9
8 Sustainable use of natural resources ....................................................................................................... 9
9 Assessment and verification of constancy of performance - AVCP ............................................... 9
10 Marking and technical datasheet .............................................................................................................. 9
Annex A (normative) Test methods .................................................................................................................... 10
A.1 Test environment ......................................................................................................................................... 10
A.2 Test assembly ................................................................................................................................................ 10
A.3 Measurement equipment .......................................................................................................................... 10
A.4 Test procedures ............................................................................................................................................ 10
A.5 Test results ..................................................................................................................................................... 17
A.6 Calculation methods .................................................................................................................................... 17
A.7 Test report ...................................................................................................................................................... 17
Annex B (normative) Test fuels and recommended fuels .......................................................................... 21
Annex C (informative) Arrangement for measuring the leakage rate ................................................... 22
Annex D (normative) Measuring procedure for nitrogen oxides (NO ) ............................................... 23
Annex E (normative) Measuring procedure for organic gaseous compounds (OGC) ...................... 24
Annex F (normative) Measuring procedure for particulate matter (PM) ............................................. 25
Annex G (informative) Guideline for the characteristics to be taken into account in order to
decide on families of appliances ............................................................................................................. 26
Annex H (informative) Deviation of measuring results as a basis for market surveillance
measurements ............................................................................................................................................... 27
Annex I (informative) Standing Air Loss ........................................................................................................... 28
Annex J (informative) A-deviations .................................................................................................................... 29
Annex K (normative) Energy Label ..................................................................................................................... 30
Annex CA (normative) Browning chart for oven heating test ................................................................... 31
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Annex ZA (informative) Relationship of this European Standard with Regulation (EU) No.
305/2011 ......................................................................................................................................................... 32
ZA.1 Scope and relevant characteristics ........................................................................................................ 32
ZA.2 System of Assessment and Verification of Constancy of Performance (AVCP) ...................... 35
ZA.3 Assignment of AVCP tasks ......................................................................................................................... 35
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prEN 16510-2-3:2021 (E)
European foreword
This document (prEN 16510-2-3:2021) has been prepared by Technical Committee CEN/TC 295
“Residential solid fuel burning appliances”, the secretariat of which is held by BSI.
This document is currently submitted to the CEN Enquiry.This document together with EN 16510-1:2021 will supersede EN 12815:2001 as amended and
corrected.This document has been prepared under a standardization request given to CEN/CENELEC by the
European Commission and the European Free Trade Association.For relationship with (EU) Regulation 305/2011, see informative Annex ZA, which is an integral part of
this document.The structure of EN 16510, Residential solid fuel burning appliances, is as follows:
— Part 1: General requirements and test methods;— Part 2-1: Roomheaters;
— Part 2-2: Inset appliances including open fires;
— Part 2-3: Cookers;
— Part 2-4: Independent boilers – Nominal heat output up to 50 kW;
— Part 2-5: Slow heat release appliances;
— Part 2-6: Mechanically by wood pellets fed roomheaters, inset appliances and cookers.
Other sections of Part 2 will be added to cover residential solid fuel burning appliances not included in
parts 2-1 to 2-6.This Part 2-3 supplements or modifies the corresponding clauses in prEN 16510-1:2021, so as to convert
that publication into the European Standard: Residential solid fuel burning appliances – Requirements and
test methods for cookers.This document is expected to be used in conjunction with prEN 16510-1:2021. This document refers to
Clauses of prEN 16510-1:2021 or adapts Clauses by stating “with the following modification”, “with the
following addition”, “is replaced by the following” or “shall not be applicable” in the corresponding Clause.
This document adds Clauses or Subclauses to the structure of prEN 16510-1:2021 which are particular
to this document.Subclauses and Figures which are additional to those in prEN 16510-1:2021 are numbered starting with
301. Annexes which are additional to those in prEN 16510-1:2021 are numbered starting with CA.
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1 Scope
This document is applicable to hand fired residential cookers whose primary function is to cook and
whose secondary function is to provide heat into the space in which they are installed. Additionally,
where fitted with a boiler, they also provide domestic hot water and/or central heating.
These appliances can burn one or more types of the following solid fuels in accordance with the appliance
manufacturer’s instructions:— wood logs;
— compressed untreated wood;
— wood pellets;
— lignite briquettes;
— solid mineral fuels;
— peat briquettes.
This document is not applicable to appliances with fan assisted combustion air or appliances that are
mechanically fed.This document is used in conjunction with prEN 16510-1 of which it is an integral part.
2 Normative referencesThe 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.
prEN 16510-1:2021, Residential solid fuel burning appliances - Part 1: General requirements and test
methods3 Terms and definitions
For the purposes of this document, the terms and definitions given in prEN 16510-1:2021 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/
4 Descriptive features
prEN 16510-1:2021, Clause 4, shall be applicable with the following modifications.
4.4.2.2 Integral boilers constructed of steelAddition:
Differing from the requirement given in Table 2 for walls of water backed surfaced of the combustion
chamber in contact with burning fuel or products of combustion the minimum wall thickness for non-
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4.4.7 Ashpan and ash removal
prEN 16510-1:2021, 4.4.7, shall be applicable with the following modification.
Replacement of the 1st paragraph:
A means of removing ash residue from the appliance shall be provided. Where an ashpan is provided its
capacity shall be not less than 0,3 dm per kW nominal output whilst retaining sufficient space above to
allow adequate primary air-flow through the bottomgrate or firebed. If the ashpan resides in the
appliance it shall locate in the ashpit in such a way that it allows the free passage of primary air and in
such a position that it does not obstruct any primary air inlet control.4.4.8 Bottomgrate
prEN 16510-1:2021, 4.4.8, shall be applicable with the following modification.
Add the following sentence to the 2 paragraph:
A de-ashing mechanism shall be fitted where fuels other than wood are burnt.
4.4.11 Charging doors and ash-pit doors
prEN 16510-1:2021, 4.4.11, shall be applicable with the following additional paragraphs:
When open, firedoors shall not obstruct the firebox opening and shall be capable of opening to an angle
greater than 90°.If fitted, hotplate charging doors shall either be removable or capable of being opened to an angle greater
than 90°.Designed air inlets around the periphery of the door(s) are permitted.
Addition of the following new subclause:
4.301 Additional requirements for cookers
4.301.1 Oven door
When open, side hinged oven doors shall not obstruct the oven opening and shall be capable of opening
to an angle greater than 90°.When drop down doors are completely open, they shall form an angle of between 85° and 90° to the
vertical and remain in this position. When tested in accordance with A.4.301.5, the drop down door shall
not sag by more than 15 mm, and the cooker shall not tilt.4.301.2 Hotplate and top plate
The top plate shall incorporate a metal or ceramic surface in the form of a hotplate. Part of the hotplate
shall be designed as a boiling plate area.When the cooker is assembled in accordance with the appliance manufacturer’s installation instructions,
complete with any legs or plinth supplied as an integral part of the appliance, the height from the floor to
the cooking surface(s) shall be between 800 mm and 930 mm.4.301.3 Main/additional ovens
Where a compartment or compartments are provided as an oven or ovens, their purpose shall be
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At least one of the oven compartments shall be provided with at least two shelf runner positions. When
tested in accordance with the test method detailed in A.4.301.4, the angle of inclination of any oven shelf
when under load shall not exceed 10° from the horizontal.4.301.4 Ashpit and ashpit cover/door
The ashpit shall be so designed that when the ashpan is in position it shall not restrict the primary air
inlet.The ashpit cover/door shall be designed to ensure that
— its closure is not prevented by spilled residue material;
— it cannot be accidentally dislodged;
— when hot it can be handled safely with the tools provided;
— the ashpit is of sufficient size to accommodate the ashpan.
4.301.5 Oven temperature indicators
For a cooker with an oven(s) to which an oven temperature indicator is fitted, the indicator shall be
readable without opening the oven door.5 Appliances Performance requirements in relation to safety
prEN 16510-1:2021, Clause 5, shall be applicable.
6 Appliances Performance requirements in relation to the appliance operation
prEN 16510-1:2021, Clause 6, shall be applicable with the following modification.
6.6 Recovery testprEN 16510-1:2021, 6.6, shall be applicable with the following modification.
Replacement of the 2 paragraph:
Recovery shall be deemed to be satisfactory if the refuel charge is visibly ignited under the test conditions
described in A.4.9 within a time of 30 min with a flue draught of Pa.( 0
6.7 Refuelling intervals
prEN 16510-1:2021, 6.7, shall be applicable with the following modification.
Replacement of Table 12:
Table 12 — Minimum refuelling intervals
Appliance type Test fuel type Minimum refuelling interval
(as detailed in Table B.1)
At nominal heat output
Wood logs, lignite briquettes or
40 min
Automatically controlled
peat briquettes
Wet or dry cooker
All other test fuels 3 h
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Appliance type Test fuel type Minimum refuelling interval
(as detailed in Table B.1)
Wood logs, lignite briquettes or
40 min
Manually controlled wet or dry
peat briquettes
cooker
All other test fuels 2 h
At slow combustion
Wood logs, lignite briquettes or
3 h
peat briquettes
Continuous operating appliance
All other test fuels 12 h
Wood logs, lignite briquettes or
No requirement
Intermittent operating
peat briquettes
appliance
All other test fuels No requirement
Addition of the following new subclause:
6.301 Additional requirements for cookers
6.301.1 Oven heating
When tested in accordance with A.4.301.3, at the same flue draught as used during the performance test
at nominal heat output, the strips of shortbread shall be cooked through to the centre. The degree of
browning of the top and bottom surfaces of the strips, when assessed against the browning chart detailed
in A.4.301.3, shall be within the colour range given on the chart.6.301.2 Boiling test
When tested in accordance with A.4.301.2 at the same flue draught as used during the performance test
at nominal heat output, the temperature of the water in the specified boiling utensil shall rise by 75 K
within 20 min of the start of the test.6.301.3 Appliances with alternative bottomgrate positions
Where the appliance has alternative lower and upper bottomgrate positions i.e. for winter/summer mode
operation, the appliance shall be tested initially with the bottomgrate in its lower position, and the
performance requirements specified in 6.1 to 6.4 shall be satisfied.In addition, the following tests shall be undertaken with the bottomgrate in its upper position:
a) a nominal heat output test conducted in accordance with A.4.7 to determine the heat outputs and to
verify that the safety requirements of 6.4 to 6.6 are met.The requirements of 6.1 to 6.4 do not apply to the heat output tests in this upper bottomgrate position
and therefore only the following parameters shall be measured and recorded during this test:
i) space heating output;ii) water heating output (if boiler fitted);
iii) surface temperatures of operating knobs/handles;
iv) temperatures of the trihedron test hearth and walls or other structure surrounding the appliance
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v) flue gas temperature.
b) a hotplate boiling test in accordance with A.4.301.2, when the appliance shall satisfy the
requirements of 6.301.1.7 Appliance instructions
prEN 16510-1:2021, Clause 7, shall be applicable.
8 Sustainable use of natural resources
prEN 16510-1:2021, Clause 8, shall be applicable.
9 Assessment and verification of constancy of performance - AVCP
prEN 16510-1:2021, Clause 9, shall be applicable with the following modifications.
9.3 Factory production control (FPC)prEN 16510-1:2021, 9.3, shall be applicable with the following modification.
9.3.2.4.4 Manufacturing checks on construction and dimensions
prEN 16510-1:2021, 9.3.2.4.4, shall be applicable with addition.
Addition after l):
m) oven construction;
n) hotplate/top plate.
10 Marking and technical datasheet
prEN 16510-1:2021, Clause 10, shall be applicable.
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Annex A
(normative)
Test methods
A.1 Test environment
prEN 16510-1:2021, A.1, shall be applicable.
A.2 Test assembly
prEN 16510-1:2021, A.2, shall be applicable with the following modification.
A.2.1 General
prEN 16510-1:2021, A.2.1, shall be applicable with the following modification.
Addition at the end of the subclause:
For installation of the cooker in a trihedron in accordance with manufacturer’s instructions, especially
take note of the given information on minimum distances from combustible material right, left of or
behind the appliance including minimum distances from combustible material above the hotplate and
right, left of or behind the appliance above surface area of the hotplate (see Figure A.303).
For those cookers, where the distance between ceiling / top cove (wall cupboard, overhead storage
capacities) and appliance top is less than 0,75 m, it is necessary to measure the temperature of the ceiling,
and the ceiling shall also be fitted in accordance with the manufacturer’s installation instructions.
For the test the surrounding test structure shall have at least the same depth as the appliance (the safety
reeling is not taken into account).A.3 Measurement equipment
prEN 16510-1:2021, A.3, shall be applicable.
A.4 Test procedures
An overview of the test procedures for cookers is located in A.4.302.
prEN 16510-1:2021, A.4, shall be applicable with the following modifications.
A.4.7.1 General
prEN 16510-1:2021, A.4.7.1, shall be applicable with the following modification.
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Replacement of Table A.2:
Table A.2 — Minimum duration, and minimum number of cycle
Appliance Fuel cycle (1 batch)
Minimum Minimum
duration number
At nominal heat output
Automatically Wood 40 min 3
controlled
Lignite briquettes and peat briquettes 40 min 2
wet or dry cooker
All other solid mineral fuel 3 h 2
Manually controlled Wood 40 min 3
wet or dry cooker
Lignite briquettes and peat briquettes 40 min 2
All other solid mineral fuel 2 h 2
At part load heat output
Automatically Wood - 3
controlled
Lignite briquettes and peat briquettes - 2
wet or dry cooker
All other solid mineral fuel - 2
Manually controlled Wood - 3
wet or dry cooker
Lignite briquettes and peat briquettes - 2
All other solid mineral fuel - 2
At slow combustion
Continuous operating Wood, lignite briquettes, peat briquettes 3 h 1
appliance
All other solid mineral fuel 12 h 1
Intermittent operating Wood, lignite briquettes, peat briquettes No requirement
appliance
All other solid mineral fuel No requirement
Addition of the following new subclauses:
A.4.301 Special tests for cookers
A.4.301.1 Measurement of oven temperature
Measure the temperature at the centre of the main oven and any additional oven(s) (where fitted) using
a thermocouple capable of meeting the uncertainty of measurement requirements specified in A.3.
Measure and record the centre temperature of each oven either continuously or at intervals not exceeding
1 min. At the end of the test period, calculate the mean centre temperature of each oven.
A.4.301.2 Hotplate boiling testA.4.301.2.1 General
This test may be conducted as a separate test or as part of one of the typical test regimes detailed in
A.4.302. The hotplate boiling test may start from cold or may follow the nominal heat output test provided
that the fire has been de-ashed in accordance with A.4.3 at the termination of that test. In either case, the
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appliance is then operated for a further pre-test period in accordance with A.4.7.2 before commencing
the test period.If the test is started from cold, the hotplate boiling pre-test period shall be preceded by an initial ignition
and pre-test period at nominal heat output in accordance with A.4.7.2.The primary air opening to be used for the hotplate boiling test shall be as specified by the manufacturer
in the operating instructions for the appliance. If the appliance is fitted with a thermostatically controlled
primary air control, the test is carried out with the thermostatic control in operation.
A.4.301.2.2 Test utensilThe boiling test utensil shall be a steel or cast iron saucepan having the dimensions shown in
Figure A.301. The base of the saucepan shall be flat with a tolerance of 0,05 mm in the concave direction
only.A.4.301.2.3 Pre-test period
At the end of the nominal heat output test or at the end of the initial ignition and pre-test period, de-ash
the fire if this has not already been done. Load the appliance with the calculated mass of test fuel in
accordance with A.4.2.Where the appliance is fitted with an oven, set the primary air control as stated in the appliance operating
instructions so that a centre of oven temperature of (230 ± 30) °C is achieved. The pre-test period ends
when the centre of oven temperature has remained steady within (230 ± 30) °C for a period of not less
than 30 min.For appliances without an oven, leave the control set for nominal heat output and allow it to operate at
this nominal heat output for a period of not less than 30 min. This ends the pre-test period.
A.4.301.2.4 Test periodPlace (2 000 ± 5) g of water into the test utensil and place the lid in position. Insert a thermometer,
meeting the uncertainty of measurement requirements specified in A.3, through the hole in the centre of
the lid, so that the bottom of the thermometer bulb is positioned (10 ± 1) mm above the inside base of
the test utensil. Leave the test utensil to stand for at least 5 min. Measure the temperature of the water
and ensure that this is between 17 °C and 20 °C.The boiling test starts 20 min after the start of the test period by placing the test utensil on the boiling
plate and ends when the temperature in the test utensil has increased by 75 K. Record the time taken for
the temperature to rise by this amount.For cookers without an oven, maintain the control settings necessary to give the nominal heat output.
Refuel and de-ash the fire as necessary. A single hotplate boiling test shall be completed within 30 min of
the start of the test period.For cookers with oven(s), maintain the centre of oven temperature within (230 ± 30) °C over the 120 min
boiling test period. Refuel and de-ash the fire, as necessary. A total of two boiling tests shall be carried
out, one starting 20 min into the first 60 min period and the other starting 20 min into the second 60 min
period.Measure and record the surface temperatures of any operating knobs intended to be operated without
the use of a tool, and the temperature in any integral fuel storage container, if fitted. The temperatures
shall be measured at intervals of such duration as to ensure that the maximum temperatures achieved
are recorded.Measure and record the temperatures of the trihedron test hearth and walls, either continuously or at
regular intervals of not more than 1 min, to ensure that the maximum temperatures achieved are
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A.4.301.3 Oven heating test
A.4.301.3.1 General
This test assesses the ability of the oven to cook satisfactorily strips of shortbread at an oven temperature
declared by the manufacturer. This test may be conducted as a separate test or as part of one of the typical
test regimes detailed in A.4.302. The test can be started from cold or may follow another test. In either
case a pre-test period is allowed to pre-condition the cooker and achieve the manufacturer's claimed
oven temperature.A.4.301.3.2 Recipe for shortbread
For the shortbread cooking test, the following recipe is used:
— 300 g wheat flour;
— 200 g margarine taken from the refrigerator 1 h beforehand;
— 100 g caster sugar;
— 1 egg (approximately 60 g);
— 1 pinch salt.
The ingredients are mixed together in a mixer to form a paste. The mixing is stopped when a good paste
consistency is obtained. The paste is then placed in a refrigerator at a temperature between 2 °C and 10 °C
and left to stand for not less than 12 h.The paste is removed from the refrigerator 20 min before being formed into strips (4 ± 1) mm thick and
(20 ± 2) mm width. The strips, spaced (10 ± 1) mm apart, are placed on the baking sheet parallel with the
side walls of the oven so as to fill the tray to within (25 ± 3) mm of the nearest projection from the walls
of the oven.A.4.301.3.3 Ignition and pre-test period
Start the flue gas extraction system and adjust the applied draught so that the static pressure in the
measurement section is set to the nominal heat output test draught for the appliance as given in Figure 2,
or such other value as given in the appliance manufacturer’s installation instructions.
Load the appliance with sufficient test fuel to ensure ignition of the fuel in accordance with the appliance
manufacturer's operating instructions...
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