kSIST FprEN 16510-2-2:2022

Residential solid fuel burning appliances - Part 2-2: Inset appliances including open fires

This Part 2-2 of EN 16510 is applicable to hand fed solid fuel fired inset appliances, with or without functional modification, that operate without firedoors or operate with fire doors either as closed only or as closed or open, and also includes open fires fired by solid fuel. The surround of these appliances are integrated with the building with the exception of free-standing appliances and those inset appliances which are installed into a fireplace recess or enclosure. These appliances provide heat into the space where they are installed. Additionally, where fitted with a boiler, they also provide domestic hot water and/or central heating.
These appliances may burn either solid mineral fuels, peat briquettes, natural or manufactured wood logs or be multi-fuel in accordance with the appliance manufacturer’s instructions.
This Part 2-2 of EN 16510 also covers ‘Kachelofen’ and ‘Putzofen’ inset appliances, having nominal heat outputs up to 15 kW.prEN 16510-1
This Part 2-2 of EN 16510 is not applicable to appliances with fan assisted combustion air or appliances that are mechanically fed.
Open fireplace components such as a bottomgrate with associated firefront which the manufacturer supplies for installation into an existing heat resistant, insulated firebox are not covered by this Part 2-2 of EN 16510.
This Part 2-2 of EN 16510 is to be used in conjunction with EN 16510-1 of which it is an integral part.

Häusliche Heizgeräte für feste Brennstoffe - Teil 2-2: Kamineinsätze einschließlich offene Kamine

Dieses Dokument ist anwendbar für Einbaugeräte einschließlich offener Feuerstätten für feste Brennstoffe (handbeschickte, mit festen Brennstoffen befeuerte Einbaugeräte mit oder ohne Funktionsänderung, die ohne Feuertüren oder mit Feuertüren entweder nur geschlossen bzw. geschlossen oder offen betrieben werden, und das schließt auch offene, mit festen Brennstoffen befeuerte Feuerstätten ein).
Der Verwendungszweck der Geräte ist Raumheizung in Wohngebäuden. Sie können mit wasserführenden Bauteilen (als feste Bestandteile des Gerätes mi tzu erhitzendem Wasser) zur Warmwasserbereitung der Zentralheizung ausgestattet sein.
Die Verkleidung dieser Feuerstätten ist mit dem Gebäude verbunden, mit Ausnahme von freistehenden Geräten und solchen, die in eine Feuerstätten-Nische oder eine Verkleidung eingestellt sind.
Die Geräte können wie angegeben einen oder mehrere der folgenden festen Brennstoffe verfeuern:
-   Scheitholz;
-   Holzbriketts;
-   Holzpellets;
-   Braunkohlenbriketts;
-   feste mineralische Brennstoffe;
-   Torfbriketts.
Dieses Dokument ist auch anwendbar für Kachelofen- und Putzofen-Heizeinsätze mit einer Nennwärmeleistung bis 15 kW.
Dieses Dokument ist nicht anwendbar für Geräte mit Gebläse unterstützter Verbrennungsluft oder für Geräte, die mechanisch beschickt werden.
Offene Kaminkomponenten wie z. B. ein Bodenrost mit zugehöriger Frontplatte zum Einbau in einen vorhandenen brandsicheren, wärmegedämmten Feuerraum werden von diesem Dokument nicht erfasst.
Dieses Dokument legt das Verfahren für die Bewertung und Überprüfung der Leistungsbeständigkeit (AVCP) der Eigenschaften von Raumheizern für feste Brennstoffe fest.

Equipement de chauffage domestique - Partie 2-2 : Foyers ouverts et insert

Le présent document s’applique aux foyers ouverts et inserts à combustible solide (inserts à combustibles solides à alimentation manuelle, avec ou sans modification fonctionnelle, qui fonctionnent sans porte foyère ou avec des portes foyères soit uniquement fermées, soit fermées ou ouvertes, ainsi qu’aux foyers ouverts à combustible solide).
L'usage prévu des appareils est 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.
L’habillage de ces appareils est intégré dans le bâtiment, à l’exception des appareils indépendants et des inserts qui sont installés dans une niche ou une enceinte.
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 s’applique également aux inserts pour poêles de masse en faïence ou en maçonnerie dont la puissance utile nominale est inférieure ou égale à 15 kW.
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.
Les éléments de cheminée ouverte, tels que grille et devanture de foyer associée qui sont destinées à une installation dans un foyer existant, thermiquement isolé et constitué de matériaux réfractaires, ne sont pas concernés par le présent document.
Le présent document spécifie des modes opératoires pour l'évaluation et la vérification de la constance des performances (EVCP) des caractéristiques des foyers ouverts et des inserts à combustible solide.

Grelne naprave na trdna goriva za stanovanjske stavbe - 2-2. del: Kaminski vložki, vključno odprti kamini na trdna goriva

General Information

• Status: Not Published
• Public Enquiry End Date: 04-May-2021
• ICS: 97.100.30 - Solid fuel heaters
• Technical Committee: OGS - Heating for buildings
• Current Stage: 5020 - Formal vote (FV) (Adopted Project)
• Start Date: 04-Aug-2022
• Due Date: 22-Sep-2022
• Directive: 2009/125/EC - Directive 2005/32/EC of the European Parliament and of the Council of 6 July 2005 establishing a framework for the setting of ecodesign requirements for energy-using products and amending Council Directive 92/42/EEC and Directives 96/57/EC and 2000/55/EC of the European Parliament and of the Council
• Directive: 305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
• Mandate: M/129 - Mandate to CEN/CENELEC concerning the execution of standardization work for harmonized standards on space heating appliances
• Ref Project: FprEN 16510-2-2 - Residential solid fuel burning appliances - Part 2-2: Inset appliances including open fires

RELATIONS

• Revised: SIST EN 13229:2003/AC:2006 - Inset appliances including open fires fired by solid fuels - Requirements and test methods
• Effective Date: 17-Feb-2021
• Revised: SIST EN 13229:2003/A2:2005 - Inset appliances including open fires fired by solid fuels -Requirements and test methods
• Effective Date: 17-Feb-2021
• Revised: SIST EN 13229:2003 - Inset appliances including open fires fired by solid fuels - Requirements and test methods
• Effective Date: 17-Feb-2021
• Revised: SIST EN 13229:2003/A1:2004 - Inset appliances including open fires fired by solid fuels - Requirements and test methods
• Effective Date: 17-Feb-2021
• Revised: SIST EN 13229:2003/A2:2005/AC:2008 - Inset appliances including open fires fired by solid fuels - Requirements and test methods
• Effective Date: 17-Feb-2021
• Revised: kSIST FprEN 16510-2-2:2016 - Residential solid fuel burning appliances - Part 2-2: Inset appliances including open fires
• Effective Date: 01-Apr-2021
• Revised: SIST EN 13229:2003 - Inset appliances including open fires fired by solid fuels - Requirements and test methods
• Effective Date: 08-Jun-2022

Standards Content (sample)

SLOVENSKI STANDARD
oSIST prEN 16510-2-2:2021
01-april-2021

Stanovanjske grelne naprave na trdna goriva - 2-2. del: Kaminski vložki, vključno

odprti kamini na trdna goriva

Residential solid fuel burning appliances - Part 2-2: Inset appliances including open fires

Häusliche Heizgeräte für feste Brennstoffe - Teil 2-2: Kamineinsätze einschließlich offene

Kamine
Equipement de chauffage domestique - Partie 2-2 : Foyers ouverts et insert
Ta slovenski standard je istoveten z: prEN 16510-2-2
ICS:
97.100.30 Grelniki na trdo gorivo Solid fuel heaters
oSIST prEN 16510-2-2:2021 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 16510-2-2:2021
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oSIST prEN 16510-2-2:2021
DRAFT
EUROPEAN STANDARD
prEN 16510-2-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2021
ICS 97.100.30
English Version
Residential solid fuel burning appliances - Part 2-2: Inset
appliances including open fires

Equipement de chauffage domestique - Partie 2-2 : Häusliche Heizgeräte für feste Brennstoffe - Teil 2-2:

Foyers ouverts et insert Kamineinsätze einschließlich offene Kamine

This 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 16510-2-2:2021 E

worldwide for CEN national Members.
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oSIST prEN 16510-2-2:2021
prEN 16510-2-2:2021 (E)
Contents Page

European foreword ....................................................................................................................................................... 4

1 Scope .................................................................................................................................................................... 5

2 Normative references .................................................................................................................................... 5

3 Terms and definitions ................................................................................................................................... 5

4 Descriptive features ....................................................................................................................................... 6

5 Appliance Performance requirements in relation to safety ............................................................ 6

6 Appliances Performance requirements in relation to the appliance operation ...................... 6

7 Appliance instructions .................................................................................................................................. 8

8 Sustainable us of natural resources ......................................................................................................... 8

9 Assessment and verification of constancy of performance - AVCP ............................................... 8

10 Marking and technical datasheet .............................................................................................................. 8

Annex A (normative) Test methods ....................................................................................................................... 9

A.1 Test environment ............................................................................................................................................ 9

A.2 Test assembly ................................................................................................................................................... 9

A.3 Measurement equipment ............................................................................................................................. 9

A.4 Test procedures ............................................................................................................................................... 9

A.5 Test results ..................................................................................................................................................... 14

A.6 Calculation methods .................................................................................................................................... 15

A.7 Test report ...................................................................................................................................................... 15

Annex B (normative) Test fuels and recommended fuels .......................................................................... 18

Annex C (informative) Arrangement for measuring the leakage rate ................................................... 19

Annex D (normative) Measuring procedure for nitrogen oxides (NO ) ............................................... 20

Annex E (normative) Measuring procedure for organic gaseous compounds (OGC) ....................... 21

Annex F (normative) Measuring procedure for particulate matter (PM) ............................................. 22

Annex G (informative) Guideline for the characteristics to be taken into account in order to

decide on families of appliances ............................................................................................................. 23

Annex H (informative) Deviation of measuring results as a basis for market surveillance

measurements ............................................................................................................................................... 24

Annex I (informative) Standing Air Loss ........................................................................................................... 25

Annex J (informative) A-deviations .................................................................................................................... 26

Annex K (normative) Energy Label ..................................................................................................................... 27

Annex BA (informative) Example for the possibility to extrapolate the steady-state

condition from a curve of temperature measurements of at least 8 h ..................................... 28

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oSIST prEN 16510-2-2:2021
prEN 16510-2-2:2021 (E)

Annex ZA (informative) Relationship of this European Standard with Regulation (EU) No.

305/2011 ......................................................................................................................................................... 30

ZA.1 Scope and relevant characteristics ........................................................................................................ 30

ZA.2 System of Assessment and Verification of Constancy of Performance (AVCP) ...................... 33

ZA.3 Assignment of AVCP tasks ......................................................................................................................... 33

Bibliography ................................................................................................................................................................. 35

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oSIST prEN 16510-2-2:2021
prEN 16510-2-2:2021 (E)
European foreword

This document (prEN 16510-2-2:2021) 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 13229:2001 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 2-2 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 roomheaters.

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

201. Annexes which are additional to those in prEN 16510-1:2021 are numbered starting with BA.

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oSIST prEN 16510-2-2:2021
prEN 16510-2-2:2021 (E)
1 Scope

This document is applicable to hand fed solid fuel fired inset appliances, with or without functional

modification, that operate without firedoors or operate with fire doors either as closed only or as closed

or open, and also includes open fires fired by solid fuel. The surround of these appliances are integrated

with the building with the exception of free-standing appliances and those inset appliances which are

installed into a fireplace recess or enclosure. These appliances provide heat into the space where 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 also covers ‘Kachelofen’ and ‘Putzofen’ inset appliances, having nominal heat outputs up

to 15 kW.

This document is not applicable to appliances with fan assisted combustion air or appliances that are

mechanically fed.

Open fireplace components such as a bottomgrate with associated firefront which the manufacturer

supplies for installation into an existing heat resistant, insulated firebox are not covered by this

document.

This document is used in conjunction with prEN 16510-1:2021 of which it is an integral part.

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.

prEN 16510-1:2021, Residential solid fuel burning appliances - Part 1: General requirements and test

methods
3 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/
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oSIST prEN 16510-2-2:2021
prEN 16510-2-2:2021 (E)
4 Descriptive features

prEN 16510-1:2021,Clause 4, shall be applicable with the following modifications.

4.4.5 Flueways
prEN 16510-1:2021, 4.4.5, shall be applicable with the following modification.
Addition after 1st paragraph:

For Kachelofen or Putzöfen inset appliances the flueways shall be tight and shall have tight cleaning

openings, which allow a proper cleaning. Metal flueways shall be made of steel as given in

prEN 16510-1:2021, Table 3, with a minimum thickness of 2 mm or cast iron as given in

prEN 16510-1:2021, Table 4, with a thickness of 4 mm or of austenitic stainless steel with a thickness of

1 mm. Fireclay bricks, plates or components of flueways shall withstand all mechanical, chemical and

thermal stresses under normal operation conditions.
4.4.7 Ashpan and ash removal
prEN 16510-1:2021, 4.4.7, shall be applicable with the following modification.
Addition after 1st paragraph:

Kachelöfen or Putzöfen inset appliances designed to burn coal as well as wood shall be equipped with an

ashpan having a minimum volume capacity of 0,8 dm per kW of nominal heat output. For Kachelöfen'

or Putzöfen' insets which are specifically designed to burn wood logs and wood briquettes, and if they

are equipped with an ashpan, the minimum volume capacity of this ashpan shall be 0,5 dm per kW of

nominal heat output.
4.4.8 Bottomgrate
prEN 16510-1:2021, 4.4.8, shall be applicable with the following modification.
Addition after 1st paragraph:

Grate devices fitted to Kachelöfen or Putzöfen inset appliances shall be easy to de-ash without undue

effort.
5 Appliance 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.

6.4.1 General
prEN 16510-1:2021, 6.4.1, shall be applicable with the following modification.
Addition after 1st paragraph:

For Kachelofen and Putzofen inset appliances the manufacturer's declared efficiency value shall be equal

to or exceed 75 %.

For open fires without boiler the manufacturer's declared efficiency value shall be equal to or exceed

30 %.

For open fires with boiler the manufacturer's declared efficiency value shall be equal to or exceed 50 %.

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oSIST prEN 16510-2-2:2021
prEN 16510-2-2:2021 (E)

For all other inset appliances that operate with firedoors closed the manufacturer's declared efficiency

value shall be equal to or exceed 65 %.
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)
Appliance without Appliance with firedoors
firedoors closed
At nominal heat output
Continuous Wood logs, lignite briquettes or no requirements 1,5 h
burning peat briquettes
appliance
All other test fuels 1,5 h 4 h
Intermittent Wood logs, lignite briquettes or no requirements 40 min
burning peat briquettes
appliance
All other test fuels no requirements 1 h
+10
Kachelöfen or Wood logs, lignite briquettes or not applicable
min
( −20
Putzöfen inset peat briquettes
appliance
All other test fuels not applicable 4 h
At slow combustion
Continuous Wood logs, lignite briquettes or no requirements 3 h
burning peat briquettes
appliance
All other test fuels 10 h 12 h
Intermittent Wood logs, lignite briquettes or no requirements no requirements
burning peat briquettes
appliance
All other test fuels 10 h 10 h

Kachelöfen or Wood logs, lignite briquettes or not applicable burning rate to achieve

Putzöfen inset peat briquettes (50 ± 10) % of nominal
appliance heat output
All other test fuels not applicable burning rate to achieve at
least 12 h
Addition of the following new subclauses:
6.201 Accumulation heat output for Kachelofen or Putzofen inset appliances

The accumulation heat output shall be in accordance with the heat released when burning the test fuel

load in kg given by the manufacturer when tested in accordance with A.4.201.
6.202 Cut-off device for appliances without doors

If a cut-off device is fitted to an appliance without doors, it shall be able to separate the flueway of the

appliance to the chimney. The cut-off device shall not hinder control or cleaning of the connecting parts,

and the device shall maintain the position in which it is set.
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oSIST prEN 16510-2-2:2021
prEN 16510-2-2:2021 (E)

The marking of the position of the operating handle shall enable identification of the position of the cut-

off device. The cut-off device shall only be installed into the flue gas collector, flue spigot or flue gas

connector. The cut-off device shall only be used when the appliance is out to prevent heat loss from the

room via the chimney and to prevent the fall of soot into the room when the chimney is swept.

6.203 Temperature at air grilles for Kachelöfen or Putzöfen inset appliances

For the test in compliance with A.4.7 and A.4.201 the temperature recorded at the central flow at a

distance of 15 cm from outside of the air grilles shall not be greater than 85 °C when referenced to an

ambient temperature of 25 °C.
7 Appliance instructions
prEN 16510-1:2021, Clause 7, shall be applicable.
8 Sustainable us 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.
10 Marking and technical datasheet
prEN 16510-1:2021, Clause 10, shall be applicable.
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oSIST prEN 16510-2-2:2021
prEN 16510-2-2:2021 (E)
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.
A.3 Measurement equipment
prEN 16510-1:2021, A.3, shall be applicable.
A.4 Test procedures
prEN 16510-1:2021, A.4, shall be applicable with the following modifications.
A.4.7 Performance test at nominal heat output
prEN 16510-1:2021, A.4.7, 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 modifications.

Addition before 1 paragraph:

In the case of Kachelöfen or Putzöfen inset appliances the performance test at nominal heat output shall

consist of three parts:
— an ignition and a dry heating, if the appliance is made of ceramic materials;
— pre-test(s) period(s);
— a test period.

The dry heating period shall be of sufficient duration to ensure that the water content of ceramic

materials does not affect the results of the weighing during the test period.
NOTE A dry heating period of 10 h or more is typical.
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oSIST prEN 16510-2-2:2021
prEN 16510-2-2:2021 (E)
Replacement of Table A.2:
Table A.2 — Minimum duration and minimum number of cycles
Appliance Fuel cycles (1 batch)
Minimum Minimum
duration number
At nominal heat output
Continuous burning Wood 1,5 h 3
Continuous burning Lignite briquettes and peat briquettes 1,5 h 2
Continuous burning All other solid mineral fuel 4 h 2
Intermittent burning Wood 40 min 3
Intermittent burning Lignite briquettes and peat briquettes 40 min 2
Intermittent burning All other solid mineral fuel 1 h 2
At part load heat output
Continuous burning Wood - 3
Continuous burning Lignite briquettes and peat briquettes - 2
Continuous burning All other solid mineral fuel - 2
Intermittent burning Wood - 3
Intermittent burning Lignite briquettes and peat briquettes - 2
Intermittent burning All other solid mineral fuel - 2
At slow combustion
Continuous burning Wood, lignite briquettes, peat briquettes 3 h 1
Continuous burning All other solid mineral fuel 12 h 1
Intermittent burning Wood, lignite briquettes, peat briquettes No requirement
Intermittent burning All other solid mineral fuel 10 h 1
A.4.7.3 Test period
prEN 16510-1:2021, A.4.7.3, shall be applicable with the following modification.
Addition before 5 paragraph:

In the case of Kachelöfen or Putzöfen inset appliances also measure and record the temperature of the

test surround and at the air grilles either continuously or at regular intervals of not more than 1 min to

ensure that the maximum temperatures achieved are recorded.
A.4.8 Part load heat output test
prEN 16510-1:2021, A.4.8, shall be applicable.
A.4.9 Slow combustion and recovery test
prEN 16510-1:2021, A.4.9, shall be applicable with the following modifications.
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oSIST prEN 16510-2-2:2021
prEN 16510-2-2:2021 (E)
A.4.9.1 General
prEN 16510-1:2021, A.4.9.1, shall be applicable with the following modification.
Addition before 6 paragraph:

The duration of the test period or the burning rate requirements in the case of Kachelofen or Putzöfen

inset appliances shall be as specified in Table 9 and Table A.2.
A.4.9.2 Pre-test period
prEN 16510-1:2021, A.4.9.2, shall be applicable with the following modification.
Addition before 4 paragraph:

In the case of Kachelöfen or Putzöfen inset appliances reduce the heat output by reducing the setting of

the primary air control in stages until the burning rate is either (50 ± 10) % of the measured burning rate

at nominal heat output for test wood logs and peat briquettes or approximately 33 % of the measured

burning rate at nominal heat output for other test fuels.
A.4.9.3 Test period
prEN 16510-1:2021, A.4.9.3 shall be applicable with the following modifications.
Addition before 3 paragraph:

In the case of Kachelöfen or Putzöfen inset appliances measure and record the temperature of the test

surround either continuously or at regular intervals of not more than 1 min to ensure that the maximum

temperatures achieved are recorded.
Addition before the new 7 paragraph:

For Kachelöfen or Putzöfen inset appliances using solid mineral test fuel, end the test when the mass of

the basic firebed is the same as the basic limbed left at the end of the pre-test period.

Addition before the new 8 paragraph:

For Kachelöfen or Putzöfen inset appliances using wood logs and peat briquettes end the test when at

least a sufficient firebed to allow recovery is available.
A.4.9.4 Recovery test period
prEN 16510-1:2021, A.4.9.4, shall be applicable with the following modification.
Addition after the last paragraph:

For Kachelöfen or Putzöfen inset appliances the following test procedure has to be followed.

At the end of the slow combustion test period, reset the appliance controls in accordance with the

manufacturer's operating instructions to give the nominal heat output. Adjust the applied draught so that

the static pressure in the measurement section is set to (15 ± 2) Pa. De-ash the firebed in accordance with

A.4.3, and add a refuel charge, if necessary, as follows:

— when using solid mineral test fuels, the refuel charge shall be at least 33 % of the nominal heat output

test charge;

— when using wood logs or peat briquettes, the refuel charge shall be as indicated by the

manufacturer's instructions.

Record whether the fire recovers in accordance with 6.6 and record the time taken.

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oSIST prEN 16510-2-2:2021
prEN 16510-2-2:2021 (E)
A.4.10 Safety tests
prEN 16510-1:2021, A.4.10, shall be applicable with the following modifications.
A.4.10.3.1.3 Test period

prEN 16510-1:2021, A.4.10.3.1.3, shall be applicable with the following modification.

Replacement of the last paragraph:

Refuel the appliance with a further test load and repeat the test. If the peak temperatures during the

previous period are exceeded in the subsequent period, continue further refuelling for at least up to 8 h.

Record the maximum temperatures achieved for each combustion period.

Use the maximum temperatures achieved as a curve in order to extrapolate from this curve the maximum

temperature under steady-state conditions. For the extrapolation see Annex BA.

Of course this extrapolation has to be carried out for all sides of the trihedron at the hottest points.

A.4.10.3.2.2 Ignition and test period

prEN 16510-1:2021, A.4.10.3.2.2, shall be applicable with the following modification.

Replacement of the last paragraph:

In the case of Kachelöfen or Putzöfen inset appliances measure and record the following parameters:

— the temperatures on the test surround and at air grilles;

— the temperature in the fuel storage container, either continuously or at regular intervals of no more

than 1 min.

Refuel the appliance with a further test load and repeat the test. If the peak temperatures during the

previous period, are exceeded in the subsequent period, continue further refuelling for at least up to 8 h.

Record the maximum temperatures achieved for each combustion period.

Use the maximum temperatures achieved as a curve in order to extrapolate from this curve the maximum

temperature under steady-state conditions. For the extrapolation see Annex BA.

This extrapolation shall be carried out for all sides of the trihedron at the hottest points.

A.4.10.4.2 Ignition and pre-test period

prEN 16510-1:2021, A.4.10.4.2, shall be applicable with the following modification.

Addition before 4 paragraph:

In the case of Kachelöfen or Putztöfen inset appliances the pre-test shall be carried out at a burning rate

of (50 ± 10) % for wood logs and peat briquettes or 33 % for other test fuels of the consumption at

nominal heat output. The pre-test period shall be continued for a period of not less than 2 h at this burning

rate until the reading on the platform scale shows that the mass of basic firebed is achieved. Record the

reading of the platform scale.
Addition of the following new subclauses:

A.4.10.201 Temperature safety test for woodburning and multifuel appliances without doors

A.4.10.201.1 General
This test shall be performed when the appliance is designed to burn wood.
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oSIST prEN 16510-2-2:2021
prEN 16510-2-2:2021 (E)
This test shall consist of an ignition and a test period.

All controls except those used only for start-up purposes, shall be set in the position allowing the highest

heat output to be achieved.

The test fuel shall be fir timber with a moisture content of (15 ± 3) %; the nominal cross sectional sizes

of the timber shall be (4 × 6) cm or (5 × 5) cm. The length of the timber shall be at least two thirds of the

width of the firebox or two thirds of the depth of the firebox. If a grate is installed in the appliance, the

length and width of the profiles shall exceed the length and width of the grate so that the grate is entirely

covered with test fuel. These section timber pieces shall be put crosswise in a lattice formation so that

the space between the timber pieces is not less than 1 cm.

The grids shall be put into the firebox and stacked to a level of up to two thirds of the fire-box opening. If

burning fuel falls from the appliance during the test then the refuel load shall be reduced to give a level

of fuel sufficient to ensure this does not occur.

The appliance shall be refuelled and operated for successive test periods until the maximum

temperatures of trihedron and fuel storage container reach a steady-state.
A.4.10.201.2 Ignition and test period

Load the appliance with sufficient test fuel to ensure ignition of the fuel in accordance with the

manufacurer’s instructions. When the fuel is well alight, load the appliance with the test fuel load.

Start the flue gas extraction system and adjust the applied draught so that the static pressure in the

measurement section is within Pa of the flue draught values specified in 6.1.
( )

Observe the static pressure at approximately 15 min intervals throughout the entire test and adjust the

applied flue draught, if necessary.

When half of the mass of the initial charge is left, a further charge of test fuel shall be introduced up to

two thirds of the firebox opening.
Measure and record:
— the temperatures on the test hearth and the walls of the trihedron;
— the temperature in the
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