prEN 16510-2-4

Residential solid fuel burning appliances - Part 2-4: Independent boilers - Nominal heat output up to 50 kW

This document is applicable to hand and automatically fired residential independent boilers (hereafter called appliances) having a nominal heat outputs up to 50 kW.
The primary function of the appliance is to provide hot water for central heating and/or domestic use. In addition to their primary function of providing hot water these appliances also provide space heating to the place of installation. They are designed for use only with open vented systems at a working pressure not exceeding 2 bar.
The 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.
The appliances are operated closed and / or open.
The appliances are typed according to their tightness depending on their designation in accordance with a possible operation together with a room ventilation system.
This document is not applicable to appliances for hot water only production and having heat outputs of less than 5 kW.
This document is also not applicable for automatic stoking devices.
This document is used in conjunction with EN 16510 1 of which it is an integral part.

Häusliche Feuerstätten für feste Brennstoffe - Teil 2-4: Heizkessel für feste Brennstoffe - Nennwärmeleistung bis 50 kW

Dieses Dokument gilt für hand- und automatisch beschickte unabhängige Heizkessel für den Hausgebrauch (im Folgenden Geräte genannt) mit einer Nennwärmeleistungen bis 50 kW.
Die Hauptfunktion des Geräts ist die Bereitstellung von Warmwasser für die Zentralheizung und/oder den Hausgebrauch. Zusätzlich zu ihrer Hauptfunktion, der Bereitstellung von Warmwasser, dienen diese Geräte auch der Beheizung des Aufstellungsraumes. Sie sind nur für den Einsatz in offenen, entlüfteten Systemen mit einem Betriebsdruck von höchstens 2 bar vorgesehen.
Die Geräte können eine oder mehrere Arten der folgenden festen Brennstoffe nach den Anweisungen des Geräteherstellers verfeuern:
-   Scheitholz;
-   Holzbriketts;
-   Holzpellets;
-   Braunkohlenbriketts;
-   feste mineralische Brennstoffe;
-   Torfbriketts.
Die Geräte werden geschlossen und/oder offen betrieben.
Die Geräte werden nach ihrer Dichtheit entsprechend ihrer Bezeichnung in Abhängigkeit von einem möglichen Betrieb zusammen mit einem Raumlüftungssystem typisiert.
Dieses Dokument ist nicht anwendbar auf Geräte, die nur der Warmwasserbereitung dienen und eine Heizleistung von weniger als 5 kW haben.
Dieses Dokument ist auch nicht anwendbar für automatische Feuerungsanlagen.
Dieses Dokument wird in Verbindung mit EN 16510 1 angewendet, von der sie ein integraler Bestandteil ist.

Appareils de chauffage domestiques à combustible solide - Partie 2-4 : Chaudières à installer dans le volume habitable - Puissance utile nominale inférieure ou égale à 50 kW

Le présent document s’applique aux chaudières domestiques à combustion manuelle et automatique à installer dans le volume habitable (ci après dénommées « appareils ») ayant une puissance utile nominale inférieure ou égale à 50 kW.
La fonction principale de l’appareil est de fournir de l’eau chaude à des fins de chauffage central et/ou pour usage domestique. Outre leur fonction principale de fourniture d’eau chaude, ces appareils produisent également de la chaleur dans l’espace où ils sont installés. Ils ne sont conçus que pour être utilisés avec des systèmes à expansion ouverts à une pression de service ne dépassant pas 2 bar.
Ces appareils peuvent utiliser un ou plusieurs des types de combustibles solides suivants, conformément aux instructions du fabricant de l’appareil :
-   bûches de bois ;
-   bois compressé non traité ;
-   granulés de bois ;
-   briquettes de lignite ;
-   combustibles minéraux solides ;
-   briquettes de tourbe.
Ces appareils fonctionnent fermés et/ou ouverts.
Ils sont classés en fonction de leur étanchéité, de leur désignation et d’un fonctionnement éventuel avec un système de ventilation des locaux.
Le présent document ne s’applique pas aux appareils uniquement destinés à la production d’eau chaude ayant une puissance utile inférieure à 5 kW.
Il ne s’applique pas non plus aux dispositifs à chargement automatique.
Le présent document doit être utilisé conjointement avec l’EN 16510 1 qui en fait partie intégrante.

Grelne naprave na trdna goriva za stanovanjske stavbe - 2-4. del: Grelni kotli - Nazivna grelna moč do 50 kW

General Information

• Status: Not Published
• ICS: 91.140.65 - Water heating equipment
• ICS: 97.100.30 - Solid fuel heaters
• Technical Committee: CEN/TC 295 - Residential solid fuel burning appliances
• Drafting Committee: CEN/TC 295/WG 1 - Cookers
• Current Stage: 4599 - Dispatch of FV draft to CMC - Finalization for Vote
• Due Date: 07-Oct-2021
• Completion Date: 07-Oct-2021
• 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: oSIST prEN 16510-2-4:2021 - Residential solid fuel burning appliances - Part 2-4: Independent boilers - Nominal heat output up to 50 kW

RELATIONS

• Revised: EN 12809:2001/A1:2004 - Residential independent boilers fired by solid fuel - Nominal heat output up to 50 kW - Requirements and test methods
• Effective Date: 17-Feb-2021
• Revised: EN 12809:2001 - Residential independent boilers fired by solid fuel - Nominal heat output up to 50 kW - Requirements and test methods
• Effective Date: 17-Feb-2021
• Revised: EN 12809:2001/AC:2006 - Residential independent boilers fired by solid fuel - Nominal heat output up to 50 kW - Requirements and test methods
• Effective Date: 17-Feb-2021
• Revised: EN 12809:2001/A1:2004/AC:2007 - Residential independent boilers fired by solid fuel - Nominal heat output up to 50 kW - Requirements and test methods
• Effective Date: 17-Feb-2021

Standards Content (sample)

SLOVENSKI STANDARD
oSIST prEN 16510-2-4:2021
01-april-2021
Stanovanjske grelne naprave na trdna goriva - 2-4. del: Grelni kotli - Nazivna
grelna moč do 50 kW

Residential solid fuel burning appliances - Part 2-4: Independent boilers - Nominal heat

output up to 50 kW

Häusliche Heizgeräte für feste Brennstoffe - Teil 2-4: Heizkessel für feste Brennstoffe -

Nennwärmeleistung bis 50 kW
Equipement de chauffage domestique - Partie 2-4 : Chaudières domestiques à
combustible solide - Puissance calorifique nominale inférieure ou égale à 50 kW
Ta slovenski standard je istoveten z: prEN 16510-2-4
ICS:
97.100.30 Grelniki na trdo gorivo Solid fuel heaters
oSIST prEN 16510-2-4:2021 en,fr,de

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

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oSIST prEN 16510-2-4:2021
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oSIST prEN 16510-2-4:2021
DRAFT
EUROPEAN STANDARD
prEN 16510-2-4
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2021
ICS 91.140.65; 97.100.30
English Version
Residential solid fuel burning appliances - Part 2-4:
Independent boilers - Nominal heat output up to 50 kW

Equipement de chauffage domestique - Partie 2-4 : Häusliche Heizgeräte für feste Brennstoffe - Teil 2-4:

Chaudières domestiques à combustible solide - Heizkessel für feste Brennstoffe - Nennwärmeleistung

Puissance calorifique nominale inférieure ou égale à 50 bis 50 kW

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 16510-2-4:2021 E

worldwide for CEN national Members.
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oSIST prEN 16510-2-4:2021
prEN 16510-2-4:2021 (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 .......................................................... 6

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

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

8 Sustainable use of natural resources ....................................................................................................... 8

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 ..................................................................................................................................................... 12

A.6 Calculation methods .................................................................................................................................... 12

A.7 Test report ...................................................................................................................................................... 12

Annex B (normative) Test fuels and recommended fuels .......................................................................... 14

Annex C (informative) Arrangement for measuring the leakage rate ................................................... 15

Annex D (normative) Measuring procedure for nitrogen oxides (NOx) ............................................... 16

Annex E (normative) Measuring procedure for organic gaseous compounds (OGC) ...................... 17

Annex F (normative) Measuring procedure for particulate matter (PM) ............................................. 18

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

decide on families of appliances ............................................................................................................. 19

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

measurements ............................................................................................................................................... 20

Annex I (informative) Standing Air Loss ........................................................................................................... 21

Annex J (informative) A-deviations .................................................................................................................... 22

Annex K (normative) Energy Label ..................................................................................................................... 23

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

305/2011 ........................................................................................................................................................ 24

ZA.1 Scope and relevant characteristics ........................................................................................................ 24

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oSIST prEN 16510-2-4:2021
prEN 16510-2-4:2021 (E)

ZA.2 System of Assessment and Verification of Constancy of Performance (AVCP) ...................... 27

ZA.3 Assignment of AVCP tasks ......................................................................................................................... 27

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oSIST prEN 16510-2-4:2021
prEN 16510-2-4:2021 (E)
European foreword

This document (prEN 16510-2-4:2021) 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 prEN 16510-1:2021 will supersede EN 12809:2001 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 2-4 supplements or modifies the corresponding clauses in EN 16510-1, so as to convert that

publication into the European Standard: Residential solid fuel burning appliances – Requirements and test

methods for independent boilers – Nominal heat output up to 50 kW .

This document is expected to be used in conjunction with EN 16510-1. 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

401. Annexes which are additional to those in EN 16510-1 are numbered starting with DA.

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oSIST prEN 16510-2-4:2021
prEN 16510-2-4:2021 (E)
1 Scope

This document is applicable to hand and automatically fired residential independent boilers (hereafter

called appliances) having a nominal heat outputs up to 50 kW.

The primary function of the appliance is to provide hot water for central heating and/or domestic use. In

addition to their primary function of providing hot water these appliances also provide space heating to

the place of installation. They are designed for use only with open vented systems at a working pressure

not exceeding 2 bar.

The 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.
The appliances are operated closed and / or open.

The appliances are typed according to their tightness depending on their designation in accordance with

a possible operation together with a room ventilation system.

This document is not applicable to appliances for hot water only production and having heat outputs of

less than 5 kW.
This document is also not applicable for automatic stoking devices.

This document is used in conjunction with EN 16510-1 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/
4 Descriptive features

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

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oSIST prEN 16510-2-4:2021
prEN 16510-2-4:2021 (E)
4.3 Product documentation
prEN 16510-1:2021, 4.3 shall be applicable.
4.4 Construction and materials
prEN 16510-1:2021, 4.4 shall be applicable with the following addition.
Additional clauses in 4.4.
4.4.401 Flue draught test point

A test tapping for the measurement of the flue draught shall be provided either in the boiler flueway or

in the flue gas connector.

If a draught regulator is incorporated, the test measurement point shall be taken before the draught

regulator.
4.4.402 Fan cut-out safety device

If the appliance is fitted with a forced draught fan to provide combustion air, then a cut-out safety device

shall be provided to switch off the fan in the event of a flue blockage (see 4.4.401).

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.

6.4 Efficiency
prEN 16510-1:2021, 6.4, shall be applicable with the following modification.
Addition after the 1 paragraph:

The manufacturer’s declared efficiency value shall be equal to or exceed the value given by the following

Figure 401.
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oSIST prEN 16510-2-4:2021
prEN 16510-2-4:2021 (E)
Key
X nominal heat output (kW)
Y efficiency (%)
1 test fuels other than 2 or 3
2 bituminous coal, lignite briquettes & peat briquettes
3 wood logs
Figure 401 — Efficiency at nominal heat output
6.5 Flue draught
prEN 16510-1:2021, 6.5, shall be applicable with the following modifications.
Replacement of Figure 2:
Key
X nominal heat output (kW)
Y flue draught (Pa)
1 nominal heat output test
2 slow combustion test
Figure 2 — Flue draught values
Replacement of the final two paragraphs including Note 2:

When undertaking the nominal heat output test in accordance with A.4.7 the flue static pressure shall be

set to the value based upon the claimed nominal heat output as given in Figure 2 or, if necessary, such

higher value specified by the manufacturer and the mean value shall be within ± 1 Pa of this specified flue

draught value. During the test, the individual measurements shall be kept within ± 2 Pa of this specified

flue draught value.
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oSIST prEN 16510-2-4:2021
prEN 16510-2-4:2021 (E)

NOTE 2 It is not allowed to set the value below that given in Figure 2 e.g. 19 Pa for a given value of 20 Pa.

For the slow combustion test in accordance with A.4.9 the static pressure shall be a target value of 6 Pa

as given in Figure 1 and shall be kept within ± 1 Pa of this specified value.

For appliances having a fan assisted primary air supply, the static pressure in the measurement section

shall be set to that value which gives the manufacturer’s declared over-firebed pressure.

6.6 Recovery test
prEN 16510-1:2021, 6.6, shall be applicable with the following modification.
Replacement of paragraph 2:

Recovery shall be deemed satisfactory if a small part of the fuel is visibly ignited within 30 min with a flue

draught of (6 ± 1) Pa under the test conditions specified in A.4.9.4.
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
(as detailed in Table B.1) interval hours
at nominal heat output
Batch fed appliances Wood logs or peat briquettes 2
All other test fuels 4
Hopper fed appliances Anthracite 10
at slow combustion
Batch fed appliances Wood logs or peat briquettes 10
All other test fuels 15
Hopper fed appliances Anthracite 48
Addition of the following new subclause:
6.401 Fan cut-out safety device

Where a safety cut-out device is provided for a fan supplying forced draught combustion air as specified

in 4.4.402 then when tested in accordance with A.4.401, the safety device shall switch off the fan within

15 min following obstruction of the flue.
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.
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oSIST prEN 16510-2-4:2021
prEN 16510-2-4:2021 (E)
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 16510-2-4:2021
prEN 16510-2-4:2021 (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 modification.
A.4.7 Performance test at nominal heat output
prEN 16510-1:2021, A.4.7, shall be applicable with the following modification.
A.4.7.1 General

prEN 16510-1:2021, A.4.7.1, shall be applicable with the following modifications.

Deletion of the 2 paragraph
Replacement of the 4 paragraph:
The test may start from cold or ma
...