SIST EN 16510-2-4:2023

SLOVENSKI STANDARD
01-marec-2023
Nadomešča:
SIST EN 12809:2003
SIST EN 12809:2003/A1:2005
SIST EN 12809:2003/A1:2005/AC:2006
SIST EN 12809:2003/A1:2005/AC:2008
SIST EN 12809:2003/AC:2004
SIST EN 12809:2003/AC:2006
Grelne naprave na trdna goriva za stanovanjske stavbe - 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: EN 16510-2-4:2022
ICS:
97.100.30 Grelniki na trdo gorivo Solid fuel heaters
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 16510-2-4
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2022
EUROPÄISCHE NORM
ICS 91.140.65; 97.100.30 Supersedes EN 12809:2001
English Version
Residential solid fuel burning appliances - Part 2-4:
Independent boilers - Nominal heat output up to 50 kW
Appareils de chauffage domestiques à combustible Häusliche Feuerstätten für feste Brennstoffe - Teil 2-4:
solide - Partie 2-4 : Chaudières à installer dans le Heizkessel für feste Brennstoffe - Nennwärmeleistung
volume habitable - Puissance utile nominale inférieure bis 50 kW
ou égale à 50 kW
This European Standard was approved by CEN on 23 October 2022.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-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,
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Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 16510-2-4:2022 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Characteristics . 6
4.1 Protection of combustible materials . 7
4.2 Carbon monoxide emission (CO) . 8
4.3 Nitrogen oxides (NO ) emissions . 8
x
4.4 Emission of organic gaseous compounds (OGC) . 9
4.5 Particulate matter (PM) emissions . 9
4.6 Safety and accessibility in use . 10
4.6.1 General . 10
4.6.2 Flue gas outlet temperature at nominal heat output . 10
4.6.3 Flue gas outlet temperature at part load heat output. 10
4.6.4 Minimum flue draught. 10
4.6.5 Flue gas mass flow at nominal heat output . 12
4.6.6 Flue gas mass flow at part load heat output . 12
4.6.7 Fire safety of installation to the chimney . 12
4.7 Energy economy and heat retention . 12
4.7.1 Space heat output at nominal heat output . 12
4.7.2 Water heat output, if existing at nominal heat output. 12
4.7.3 Efficiency at nominal heat output . 13
4.7.4 Space heat output at part load heat output . 13
4.7.5 Water heat output, if existing at part load heat output . 13
4.7.6 Efficiency at part load heat output . 13
4.7.7 Seasonal space heating efficiency at appliance’s nominal heat output . 13
4.7.8 Energy efficiency . 14
4.7.9 Electric power consumption at nominal heat output, if existing . 14
4.7.10 Electric power consumption at part load heat output, if existing . 14
4.7.11 Standby mode power consumption, if existing . 15
4.8 Environmental sustainability . 15
5 Descriptive features . 16
5.1 Data for potential use with room ventilation systems: type of appliance (in relation
to its tightness to the room) . 16
5.2 Data for the building's statics: appliance's mass . 16
5.3 Materials and construction elements . 16
5.3.1 General . 16
5.3.2 General stresses . 17
5.3.3 Integral boiler or heat exchanger . 17
5.4 Risk of burning fuel falling out . 17
5.5 Temperature rise in the fuel storage . 17
5.6 Temperature rise of the operating components . 17
5.7 Spillage of flue gases into the room . 17
5.7.1 Possible spillage of CO, if relevant for the fuel type. 17
5.7.2 Open operation . 17
5.8 Cleanability . 17
5.8.1 Heating surfaces . 17
5.8.2 Flueways . 17
5.8.3 Ashpan . 18
5.8.4 Bottomgrate . 18
5.8.5 Damper . 18
5.8.6 Fan-cut-out-device . 18
5.9 Strength and leak tightness of boiler shells . 18
6 Assessment and verification of constancy of performance - AVCP . 18
6.1 General . 18
6.2 Assessment of performance . 18
6.2.1 General . 18
6.2.2 Test samples, testing and compliance criteria . 19
6.3 Verification of constancy of performance . 21
6.3.1 Factory production control (FPC) . 21
Annex A (normative) Test methods . 25
A.1 Test environment . 25
A.2 Test assembly . 25
A.3 Measurement equipment. 25
A.4 Test procedures . 25
A.5 Test results . 28
A.6 Calculation methods . 28
A.7 Test report . 28
Annex ZA (informative) Relationship of this European Standard with Regulation (EU) No.
305/2011 . 29
ZA.1 Scope and relevant characteristics . 29
ZA.2 System of Assessment and Verification of Constancy of Performance (AVCP) . 32
ZA.3 Assignment of AVCP tasks . 33

European foreword
This document (EN 16510-2-4:2022) has been prepared by Technical Committee CEN/TC 295
“Residential solid fuel burning appliances”, the secretariat of which is held by BSI.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by June 2023, and conflicting national standards shall be
withdrawn at the latest by November 2025.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 12809:2001 as amended and corrected. In relation to EN 12809:2001 as
amended and corrected the following changes have been made:
— measurement methods for NO , hydrocarbon and particulate matter emissions for solid fuel burning
x
appliances;
— specifications for classification of solid fuel burning appliances and system boundaries for room
sealed appliances;
— requirements for the safety of solid fuel burning appliances with water-bearing components added;
— Annex ZA updated according to requirements of M/577;
— energy efficiency and energy class labelling and seasonal space heating efficiency added;
— requirements for environmental sustainability added.
This document has been prepared under a standardization request given to CEN 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.
Subclauses and Figures which are additional to those in EN 16510-1:2022 are numbered starting with
401. Annexes which are additional to those in EN 16510-1 are numbered starting with DA.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this European Standard: 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, Türkiye and the United
Kingdom.
1 Scope
This document is applicable to independent boiler appliances for solid fuel with a nominal output up to
50 kW (hand and automatically fired independent boilers (hereafter called appliances)).
The indented use of the appliances is space heating in residential buildings. This happens directly or via
provision of hot water for central heating. 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 as specified:
— 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 for:
— appliances for hot water only production and heat output < 5 kW;
— automatic stoking devices.
This document specifies procedures for assessment and verification of constancy of performance (AVCP)
of characteristics of solid fuel burning independent boiler appliances.
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.
EN 15804:2012+A2:2019, Sustainability of construction works — Environmental product declarations —
Core rules for the product category of construction products
EN 16510-1:2022, 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 EN 16510-1:2022 apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
• ISO Online browsing platform: available at https://www.iso.org/obp
• IEC Electropedia: available at https://www.electropedia.org/
4 Characteristics
4.1 Protection of combustible materials
The performance of the appliance in relation to protection of combustible materials shall be determined
in accordance with EN 16510-1:2022, 5.6.
When tested in accordance with EN 16510-1:2022, 5.6, the protection measure(s) as specified according
to table 1 shall be given as minimum distance to combustible materials and if appropriate as material
type and thickness of protective insulation material.
The protection measures as specified shall be given in [mm] as an integer according to EN 16510-1:2022,
Table 22, no. 33, 34, 35, 36, 37, 38, 39 and 41 (d , d , d , d , d , d , d , s).
R S C P F L B
Table 1 — Protection of combustible materials
Protection measure Declared clearance distance to Protective
combustible material or thickness insulation material
of protective insulation material if any
[mm]
Minimum distance to  --
combustible materials –
bottom (d )
B
Minimum distance to --
combustible materials –
floor in front (d )
F
Minimum distance to --
combustible materials –
ceiling (d )
C
Minimum distance to --
combustible materials – rear
)
(d
R
Minimum distance to --
combustible materials – side
(d )
S
Minimum distance to --
combustible materials – side
radiation area (d )
L
Minimum distance to  --
adjacent combustible
materials (e.g. furniture)
(d )
P
Protective insulation
material (s)
4.2 Carbon monoxide emission (CO)
The performance of the appliance in relation to carbon monoxide emission at nominal heat output and at
part load heat output (if part load is specified) shall be determined in accordance with EN 16510-1:2022,
6.3.1 and 6.3.2.
The CO value if specified at nominal heat output and at part load heat output (if part load is specified) is
to be given in [mg/m ] as an integer according to EN 16510-1:2022, Table 22, no. 17 (CO (13 % O )).
nom 2
When tested in accordance with EN 16510-1:2022, 6.3.2 the CO emission at nominal heat output shall not
exceed the threshold levels as given in Table 2.
Table 2 — Threshold levels for CO emission
Appliance type Threshold level at 13 % O
open fronted solid fuel local space heaters 2000 mg/m
closed fronted solid fuel local space heaters using
solid fuel other than compressed wood in the form
1500 mg/m
of pellets including cookers
closed fronted solid fuel local space heaters using
compressed wood in form of pellets including
300 mg/m
cookers
4.3 Nitrogen oxides (NO ) emissions
x
The performance of the appliance in relation to nitrogen oxides emissions at nominal heat output and at
part load heat output (if part load is specified) shall be determined in accordance with EN 16510-1:2022,
6.3.1 and 6.3.3.
The NO value if specified at nominal heat output and at part load heat output (if part load is specified) is
x
to be given in [mg/m ] as an integer according to EN 16510-1:2022, Table 22, no. 20 (NO (13 % O )).
xnom 2
When tested in accordance with EN 16510-1:2022, 6.3.3 the NO emissions at nominal heat output shall
x
not exceed the threshold levels as given in Table 3.
Table 3 — Threshold levels for NOx emission (expressed as NO )
Appliance type Threshold level at 13 % O
open fronted solid fuel local space heaters, closed
fronted solid fuel local space heaters and cookers
200 mg/m
using biomass
open fronted solid fuel local space heaters, closed
fronted solid fuel local space heaters and cookers
300 mg/m
using fossil solid fuel
4.4 Emission of organic gaseous compounds (OGC)
The performance of the appliance in relation to organic gaseous compounds emission at nominal heat
output and at part load heat output (if part load is specified) shall be determined in accordance with
EN 16510-1:2022, 6.3.1 and 6.3.4.
The OGC value if specified at nominal heat output and at part load heat output (if part load is specified)
is to be given in [mg/m ] as an integer according to EN 16510-1:2022, Table 22, no. 23 (OGC
nom
(13 % O )).
When tested in accordance with EN 16510-1:2022, 6.3.4 the OGC emission at nominal heat output shall
not exceed the threshold levels as given in Table 4.
Table 4 — Threshold levels for OGC emission (expressed as C)
Appliance type Threshold level at 13 % O
open fronted solid fuel local space heaters
120 mg C/m
closed fronted solid fuel local space heaters using
solid fuel other than compressed wood in the form 120 mg C/m
of pellets including cookers
closed fronted solid fuel local space heaters using
compressed wood in form of pellets including
60 mg C/m
cookers
4.5 Particulate matter (PM) emissions
The performance of the appliance in relation to particulate matter emissions at nominal heat output and
at part load heat output (if part load is specified) shall be determined in accordance with
EN 16510-1:2022,6.3.1 and 6.3.5.
The particulate matter value if specified at nominal heat output and at part load heat output (if part load
is specified) is to be given in [mg/m ] as an integer according to EN 16510-1:2022, Table 22, no. 26
(PM (13 % O )).
nom 2
When tested in accordance with EN 16510-1:2022, 6.3.5 the particulate matter (PM) emissions at
nominal heat output shall not exceed the threshold levels as given in Table 5.
Table 5 — Threshold levels for PM emission
Appliance type Threshold level at 13 % O
open fronted solid fuel local space heaters 50 mg/m
closed fronted solid fuel local space heaters using
solid fuel other than compressed wood in the form
40 mg/m
of pellets and cookers
closed fronted solid fuel local space heaters using
20 mg/m
compressed wood in form of pellets
4.6 Safety and accessibility in use
4.6.1 General
The data for the installation to a chimney are to be evaluated at nominal heat output. Specific data is to
be evaluated at safety test heat output. Additional data is to be evaluated at part load heat output, if part
load is specified.
4.6.2 Flue gas outlet temperature at nominal heat output
The performance of the appliance in relation to flue gas outlet temperature at nominal heat output shall
be determined in accordance with EN 16510-1:2022, 6.2.1.
The value of the flue gas outlet temperature for the installation of the appliance to a chimney if specified
is to be given in [°C] as an integer according to EN 16510-1:2022, Table 22, no. 47 (T ).
snom
4.6.3 Flue gas outlet temperature at part load heat output
The performance of the appliance in relation to flue gas outlet temperature at part load heat output (if
part load is specified) shall be determined in accordance with EN 16510-1:2022, 6.2.1.
The value of the flue gas outlet temperature at part load heat output (if part load is specified) for the
installation of the appliance to a chimney if specified is to be given in [°C] as an integer according to
EN 16510-1:2022, Table 22, no. 48 (T ).
spart
4.6.4 Minimum flue draught
4.6.4.1 General
The flue draught values, related to the appliance's nominal heat output, given in Figure 1, shall be taken
as the values for the static pressure to be applied in the measurement section (see EN 16510-1:2022,
Figures A.10, A.11 and A.12) when undertaking the nominal heat output test in accordance with A.4.7,
the part load heat output test in accordance with A.4.8, the slow combustion test for continuous burning
appliances in accordance with A.4.9 and the safety test in accordance with A.4.10.
Where the flue draught values given in Figure 1 need to be exceeded in order to obtain the specified
nominal output, the required flue draught shall be clearly stated in the appliance's installation
instructions.
This means that a value above 12 Pa, but not below 12 Pa may be specified.
Key
X nominal heat output (kW)
Y flue draught (Pa)
1 nominal heat output test
2 slow combustion test
Figure 1 — Flue draught values
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 1 or, if necessary, such
higher value specified 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.
NOTE It is not allowed to set the value below that given in Figure 1 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 the value which gives the specified over-firebed pressure.
4.6.4.2 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.
4.6.4.3 Minimum flue draught at nominal heat output
The performance of the appliance in relation to the minimum flue draught at nominal heat output shall
be determined in accordance with 4.6.4.1 and 4.6.4.2.
The minimum value of the flue draught if specified at nominal heat output for the installation of the
appliance to a chimney is to be given in [Pa] as an integer according to EN 16510-1:2022, Table 22, no.
29 (p ).
nom
4.6.4.4 Minimum flue draught at part load heat output
The performance of the appliance in relation to the minimum flue draught at part load heat output (if part
load is specified) shall be determined in accordance with 4.6.4.1 and 4.6.4.2.
The minimum value of the flue draught if specified at part load heat output (if part load is specified) for
the installation of the appliance to a chimney is to be given in [Pa] as an integer according to
EN 16510-1:2022, Table 22, no. 30 (p ).
part
4.6.5 Flue gas mass flow at nominal heat output
The performance of the appliance in relation to the flue gas mass flow at nominal heat output shall be
determined in accordance with EN 16510-1:2022, 6.12.
The flue gas mass flow value if specified at nominal heat output for the installation of the appliance to a
chimney is to be given in [g/s] with 1 decimal according to EN 16510-1:2022, Table 22, no. 50 (ϕ ).
f,g nom
4.6.6 Flue gas mass flow at part load heat output
The performance of the appliance in relation to the flue gas mass flow at part load heat output (if part
load is specified) shall be determined in accordance with EN 16510-1:2022, 6.12.
The flue gas mass flow value if specified at part load heat output (if part load is specified) for the
installation of the appliance to a chimney is to be given in [g/s] with 1 decimal according to
EN 16510-1:2022, Table 22, no. 51 (ϕ ).
f,g part
4.6.7 Fire safety of installation to the chimney
The performance of the appliance in relation to the flue gas temperature (mean value) at safety test shall
be determined in accordance with EN 16510-1:2022, A.4.10.4.
The data for installation of the appliance to a chimney with regards to the fire safety if specified is to be
given as the Tclass of the chimney required according to EN 16510-1:2022, 6.2.2 and EN 16510-1:2022,
Table 22, no. 49.
4.7 Energy economy and heat retention
4.7.1 Space heat output at nominal heat output
The performance of the appliance in relation to space heat output at nominal heat output shall be
determined in accordance with EN 16510-1:2022, 6.8.
The space heat output of the appliance if specified at nominal heat output is to be given in [kW] with 1
decimal according to EN 16510-1:2022, Table 22, no. 2 (P ).
SHnom
For the proper performance of the appliance the following shall be considered as well for those essential
characteristics and descriptive features assessed during the nominal heat output test (A.4.7).
Additional devices, such as flue gas outlet components, components built-in the flue ways, combustion
air supply control devices, charging doors and ash-pit doors, flue bypass devices, internal flue gas
diverters, front fire bars and/or draught regulators for the safety or function of the appliance may be
present.
Some of these devices are optional, but if present their influence on the performance of the appliance
shall be checked according to EN 16510-1:2022, 4.4.4, 4.4.6, 4.4.9, 4.4.11, 4.4.12, 4.4.13, 4.4.14, and 4.4.16.
4.7.2 Water heat output, if existing at nominal heat output
The performance of the appliance in relation to water heat output (where appropriate) at nominal heat
output shall be determined in accordance with EN 16510-1:2022, 6.9.
The water heat output of the appliance if specified at nominal heat output is to be given in [kW] with 1
decimal according to EN 16510-1:2022, Table 22, no. 3 (P ).
Wnom
4.7.3 Efficiency at nominal heat output
The performance of the appliance in relation to efficiency at nominal heat output shall be determined in
accordance with EN 16510-1:2022, 6.4.
The efficiency of the appliance if specified at nominal heat output is to be given in [%] as an integer
according to EN 16510-1:2022, Table 22, no. 13 (η ).
nom
4.7.4 Space heat output at part load heat output
The performance of the appliance in relation to space heat output at part load heat output (if part load is
specified) shall be determined in accordance with EN 16510-1:2022, 6.8.
The space heat output of the appliance if specified at part load heat output (if part load is specified) is to
be given in [kW] with 1 decimal according to EN 16510-1:2022, Table 22, no. 5 (P ).
SHpart
For the proper performance of the appliance the following shall be considered as well for those essential
characteristics and descriptive features assessed during the part load heat output test (A.4.8).
Additional devices, such as flue gas outlet components, components built-in the flue ways, combustion
air supply control devices, charging doors and ash-pit doors, flue bypass devices, internal flue gas
diverters, front fire bars and/or draught regulators for the safety or function of the appliance may be
present.
Some of these devices are optional, but if present their influence on the performance of the appliance
shall be considered according to EN 16510-1:2022, 4.4.4, 4.4.6, 4.4.9, 4.4.11, 4.4.12, 4.4.13, 4.4.14, and
4.4.16.
4.7.5 Water heat output, if existing at part load heat output
The performance of the appliance in relation to water heat output (where appropriate) at part load heat
output (if part load is specified) shall be determined in accordance with EN 16510-1:2022, 6.9.
The water heat output of the appliance if specified at part load heat output (if part load is specified) is to
be given in [kW] with 1 decimal according to EN 16510-1:2022, Table 22, no. 6 (P ).
Wpart
4.7.6 Efficiency at part load heat output
The performance of the appliance in relation to efficiency at part load heat output (if part load is specified)
shall be determined in accordance with EN 16510-1:2022, 6.4.
The efficiency of the appliance if specified at part load heat output (if part load is specified) is to be given
in [%] as an integer according to EN 16510-1:2022, Table 22, no. 14 (η ).
part
4.7.7 Seasonal space heating efficiency at appliance’s nominal heat output
The performance of the appliance in relation to seasonal space heating efficiency at nominal heat output
shall be determined in accordance with EN 16510-1:2022, 6.4.2.
The seasonal space heating efficiency of the appliance if specified at nominal heat output is to be given in
[%] as an integer according to EN 16510-1:2022, Table 22, no. 15 (η ).
S
When tested in accordance with EN 16510-1:2022, 6.4.2 the seasonal space heating efficiency at nominal
heat output shall not underrun the threshold levels as given in Table 6.
Table 6— Threshold level of seasonal space heating energy efficiency
Appliance type Threshold Level
open fronted solid fuel local space heaters 30 %
closed fronted solid fuel local space heaters using
solid fuel other than compressed wood in the form 65 %
of pellets
closed fronted solid fuel local space heaters using
79 %
compressed wood in the form of pellets
4.7.8 Energy efficiency
The performance of the appliance in relation to energy efficiency classification shall be determined in
accordance with EN 16510-1:2022, 6.4.3.
The energy efficiency classification of the appliance if specified shall be given according to
EN 16510-1:2022, Table 22, no. 16 (EEI) and shall be determined according to Table 7.
Table 7 — Energy efficiency classification based on the energy efficiency index (EEI)
Energy efficiency class Energy efficiency index (EEI)
A++ EEI ≥ 130
A+ 107 ≤ EEI < 130
A 88 ≤ EEI < 107
B 82 ≤ EEI < 88
C 77 ≤ EEI < 82
D 72 ≤ EEI < 77
E 62 ≤ EEI < 72
F 42 ≤ EEI < 62
G EEI < 42
4.7.9 Electric power consumption at nominal heat output, if existing
The performance of the appliance in relation to electric power consumption at nominal heat output shall
be determined in accordance with EN 16510-1:2022, 6.11.
The electric power consumption of the appliance if specified at nominal heat output is to be given in [kW]
with 3 decimals according to EN 16510-1:2022, Table 22, no. 43 (el ).
max
4.7.10 Electric power consumption at part load heat output, if existing
The performance of the appliance in relation to electric power consumption at part load heat output (if
part load is specified) shall be determined in accordance with EN 16510-1:2022, 6.11.
The electric power consumption of the appliance if specified at part load heat output (if part load is
specified) is to be given in [kW] with 3 decimals according to EN 16510-1:2022, Table 22, no. 44 (el ).
min
4.7.11 Standby mode power consumption, if existing
The performance of the appliance in relation to standby mode power consumption at standby mode
(where appropriate) shall be determined in accordance with EN 16510-1:2022, 6.11.
The standby mode power consumption of the appliance if specified is to be given in [kW] with 3 decimals
according to EN 16510-1:2022, Table 22, no. 42 (el ).
SB
4.8 Environmental sustainability
All relevant elements of the performance related to the whole life cycle of the appliance shall be identified
and enumerated on the basis on the information modules of EN 15804:2012+A2:2019.
The necessary environmental sustainability information shall be determined to enable the life cycle
analysis of the appliance concerned and the declaration of its performance in relation to the essential
characteristic environmental sustainability. This shall comprise in particular the definition of the
scenarios required for this complete period, including the reference service life, where appropriate.
The performance of the appliance in relation to the environmental sustainability shall be determined in
accordance with EN 16510-1:2022, Clause 8.
The environmental sustainability elements are given in Table 8.
Table 8 — Elements for the environmental sustainability
Environmental sustainability elements to be given in
Global Warming Potential total (GWP-total) kg CO equivalent
Global Warming Potential (GWP-fossil) kg CO equivalent
Global Warming Potential (GWP-biogenic) kg CO equivalent
Global Warming Potential land use and land use change (GWP-luluc) kg CO equivalent
Depletion potential of the stratospheric ozone layer (ODP) kg CFC 11 equivalent
+
Acidification potential, Accumulated Exceedance (AP)
mol H equivalent
Eutrophication potential, Fraction of nutrients reaching freshwater kg P equivalent
end compartment (EP-freshwater)
Eutrophication potential, Fraction of nutrients reaching freshwater kg N equivalent
end compartment (EP-marine)
Eutrophication potential, Accumulated Exceedance (EP-terrestrial) mol N equivalent
Formation potential of tropospheric ozone (POCP) kg NMVOC equivalent
Abiotic depletion potential for non-fossil resources (ADP-minerals kg Sb equivalent
and metals)
Abiotic depletion potential for fossil resources (ADP-fossil) MJ, net calorific value
Water (user) deprivation potential, deprivation-weighted water
m world equivalent deprived
consumption (WDP)
Hazardous waste disposed kg
Non-hazardous waste disposed kg
Radioactive waste disposed kg
Environmental sustainability elements to be given in
Use of renewable primary energy excluding renewable primary MJ, net calorific value
energy resources used as raw materials
Total use of renewable primary energy resources (primary energy MJ, net calorific value
and primary energy resources used as raw materials)
Use of non-renewable primary energy excluding non-renewable MJ, net calorific value
primary energy resources used as raw materials
Use of non-renewable primary energy resources used as raw MJ, net calorific value
materials
Total use of non-renewable primary energy resources (primary MJ, net calorific value
energy and primary energy resources used as raw materials)
Use of secondary material kg
Use of renewable secondary fuels MJ, net calorific value
Use of non-renewable secondary fuels MJ, net calorific value
Use of net fresh water
m
Components for re-use kg
Materials for recycling kg
Materials for energy recovery kg
Exported energy MJ per energy carrier
5 Descriptive features
5.1 Data for potential use with room ventilation systems: type of appliance (in relation
to its tightness to the room)
The designation of the appliance in relation to the potential use with ventilation systems is to be given in
accordance with EN 16510-1:2022, 4.1.
5.2 Data for the building's statics: appliance's mass
The appliance’s mass in relation to the building’s statics is to be given in accordance with
EN 16510-1:2022, 7.2, paragraph 8).
5.3 Materials and construction elements
5.3.1 General
The shape and dimensions of the components and equipment and the method of design and manufacture
and, if assembled on site, the method of assembly and installation, shall ensure that, when operated as
specified in accordance with the test procedures of this document and exposed to the associated
mechanical, chemical and thermal stresses, the appliance shall operate reliably and safely such that
during normal operation no combustion gas posing a hazard can escape into the room in which the
appliance is installed nor can embers fall out.
Non-combustible materials (materials acc. to EN 16510-1:2022, 4.4.1.1) shall be used, except that it shall
be permissible to use combustible materials for the following applications:
— components or accessories fitted outside the appliance;
— internal components of controls and safety equipment;
— operating handles;
— electrical equipment.
5.3.2 General stresses
The proper operation of the appliance in relation to the general stresses to materials and construction
elements is to be tested in accordance with EN 16510-1:2022, 4.4.1 and 4.4.2.
5.3.3 Integral boiler or heat exchanger
The proper operation of the appliance’s integral boiler or heat exchanger is to be tested in accordance
with EN 16510-1:2022, 4.4.2, 5.3 and 5.7.
5.4 Risk of burning fuel falling out
The prevention of the risk of burning fuel falling out of the appliance is to be tested in accordance with
EN 16510-1:2022, 5.2.
5.5 Temperature rise in the fuel storage
The rise of the temperature above ambient temperature in the fuel storage is to be tested in accordance
with EN 16510-1:2022, 5.4. This rise of the temperature shall not exceed 65 K.
5.6 Temperature rise of the operating components
The rise of the temperature above ambient temperature of the operation components is to be tested in
accordance with EN 16510-1:2022, 5.5. This rise of the temperature shall not exceed the material specific
limits given in EN 16510-1:2022, 5.5.
5.7 Spillage of flue gases into the room
5.7.1 Possible spillage of CO, if relevant for the fuel type
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