EN 1:1998/A1:2007

SLOVENSKI SIST EN 1:2000/oprA1:2005

PREDSTANDARD
julij 2005
Peči za ogrevanje na tekoča goriva z uparjalnimi gorilniki in priključkom na
dimnik – Dopolnilo A1
Flued oil stoves with vaporizing burners – Amendment A1
ICS 97.100.40 Referenčna številka
SIST EN 1:2000/oprA1:2005(en)
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

EUROPEAN STANDARD
DRAFT
EN 1:1998
NORME EUROPÉENNE
EUROPÄISCHE NORM
prA1
May 2005
ICS
English version
Flued oil stoves with vaporizing burners
Poêles à combustible liquide avec brûleurs à vaporisation Heizöfen für flüssige Brennstoffe mit Verdampfungsbrenner
raccordés à un conduit évacuation des produits de la und Schornsteinanschluss
combustion
This draft amendment is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 46.
This draft amendment A1, if approved, will modify the European Standard EN 1:1998. If this draft becomes an amendment, CEN members
are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of this amendment into the
relevant national standard without any alteration.
This draft amendment 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 Management Centre has the same status
as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
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
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1:1998/prA1:2005:2005: E
worldwide for CEN national Members.

EN 1:1998/prA1:2005 (E)
Foreword
This document (EN 1:1998/prA1:2005) has been prepared by Technical Committee CEN/TC 46 “Oil stoves”, the
secretariat of which is held by DIN.
This document is currently submitted to the CEN Enquiry.
This amendment to the European Standard EN 1:1998 has been prepared under a mandate given to CEN by the
European Commission and the European Free Trade Association, and supports essential requirements of EU
Directive(s).
For the relation ship with EU Directive(s), see informative Annex ZA, which is an integral part of this document.

EN 1:1998/prA1:2005 (E)
2 Scope
To replace clause 2 by the following:
This standard applies to flued oil stoves with one or more vaporizing burners (hereafter referred to as "stoves") as
used for individual heating in the domestic field and having either a draught regulator or a combustion air limiter as
defined in 3.13 and a nominal heating capacity of not more than 15kW.
This standard does not cover
- Built-in appliances
- appliances equipped with a fan assisted burner
- appliances connected to a water system
According to the type of fuels used in country of destination, the stoves are supplied for use with either:
- fuel oil with a maximum kinematic viscosity of 6,0mm²/s at 20°C
- or kerosene with a flash point of not less than 40°C

3 Normative references
To add the following:
EN ISO 9001 Quality systems – Model for quality assurance in design/development, production,
installation and servicing
EN ISO 9002 Quality systems – Model for quality assurance in production, installation and servicing
EN 50165 Electrical equipment for non-electric appliances for household and similar purposes.
Safety requirements
ISO 2859 Sampling procedures for inspection by attributes
4 Definitions
Add the following new definitions:
3.21 Content of NO
X
Content of NO in the dry flue gases measured as volume in ppm, calculated as NO , expressed in mg/MJ.
X 2
3.22 Content of unburnt Hydrocarbons
Content of unburnt hydrocarbons in the dry flue gases measured as volume in ppm, calculated as C H , expressed in
3 8
mg/MJ.
4.2 Materials
Add the following text:
The stove shall be fire-resistant and safe to operate, and shall be resistant to deformation and shall be such that:
- it can withstand the stresses arising during normal operation;
- the burner and the stove cannot become heated to create a hazard;
- dangerous accumulations of combustible gases (fuel mixed with air) in the combustion chamber and in the flues are
prevented;
- gases cannot leak from the stove in dangerous quantities.

The stove shall be made of non-combustible materials except that combustible materials shall be allowed for the
following:
- components of accessories e.g. burner covers, if the parts are fitted outside of the boiler
-internal components of controls and safety equipment;
-operating handles;
-electrical equipment;
-thermal insulation (only asbestos-free materials are allowed).
EN 1:1998/prA1:2005 (E)
Component parts of covers, operating, control and safety devices and electrical accessories shall be arranged in
such a way that their surface temperatures, under steady state conditions, do not exceed those specified either by
the manufacturer or in the component part standard.
4.10 Oilcontainer
Add the following text in the end of clause:
To ensure that any fire external to the stove is not transmitted to the contents of the storage tank or , if a fire does
occur its effects are limited by either the tank being made of non-combustible materials e.g. metal or be enclosed
with non-combustible fire resisting materials or construction. Any fuel lines from the tank to the burner shall also be
fire resistant.
The filling orifice of the storage tank shall have a cap and shall be easily accessible and it shall be so arranged that
when filling the tank with fuel it is not possible to ignite the fuel from any hot components.
5 Constructional requirements
The following clauses of EN 1 : 1998 are changed or supplemented.
5.4 Efficiency
Replace the clause as follows:
The value of the efficiency at nominal heat output shall be not less than 60 % and the requirements of table 1 shall be fulfilled as
appropriate to the appliance class.
Table 1 – Appliance Classes
Appliance CO C H NO Efficiency at nominal Smoke number
n m x
Class mg/MJ heat output
mg/MJ mg/MJ
%
appliances appliances Heating gas Kerosene
< 4 kW ≥ 4 kW oil
1)
1 20 6 35 78 81 1 1
2)
2 400   75 75 3 2
2)
3 400 70 70 3 2
 
2)
4 400 60 60
   
1)
measured at nominal heat output and low rate only
2)
measured in the whole heat output range
5.5 Smoke number
Replace the clause as follows:
For appliances of the classes 1, 2 and 3 according to table 1, in the whole heat output range the smoke number shall not
exceed 3 for heating gas oil and 2 for kerosene. For appliances of class 1 according to table 1, at nominal heat output
and at low rate only the smoke number shall not exceed 1 for both heating gas oil and kerosene.
The flue gases shall not contain oil rest particles.
Under the test conditions of 6.5.1.2, 6.5.1.4 and 6.5.3.1 for heating gas oil, the smoke number may be one more.
EN 1:1998/prA1:2005 (E)
5.7 CO in the flue gases
rd
Add as 3 para:
In addition for appliances of class 1 according to table 1, the content of CO measured at nominal heat output and at low
rate shall not exceed 20 mg/MJ.
To add the following clauses:
5.13 Electrical safety
„The tests described in clause 19 of EN 50165 shall not apply for safety relevant circuits when the mechanical
components ensure that any failure or interruption of the electronic circuits does not affect the safe operation of the
appliance.“
5.14 NO and unburnt hydrocarbons (C H ) in the flue gases
X n m
In addition for appliances of class 1 only according to table 1, measured at nominal heat output and at low rate the
content of NO must not exceed 35 mg/MJ and the content of unburnt hydrocarbons must not exceed 6 mg/MJ.
x
6 Test methods
The following clauses of EN 1 : 1998 are changed or supplemented :
6.1.1 General
Add the following new measurement equipment after the measurement equipment for CO in the flue gases:
NO -content in the flue gases
x
Continuously recording instrument for the measurement of NO -content with an inaccuracy of maximal ± 5 ppm
x
C H - content in the flue gases
n m
Continuously recording instrument for the measurement of C H -content with an inaccuracy of maximal ± 5 ppm
n m
6.5.2.1 nominal heat output
Add the following new indents:
- NO -content in the flue gases (for class 1 appliances only)
x
- C H -content in the flue gases (for class 1 appliances only)
n m
6.5.2.2 low rate
Add the following new indents:
- NO -content in the flue gases (for class 1 appliances only)
x
- C H -content in the flue gases (for class 1 appliances only)
n m
Add the new clauses 6.6.4 and 6.6.5 as detailed below and renumber clauses 6.6.4 flue gas mass rate in 6.6.6 and 6.6.5
formula signs and units in 6.6.7.
6.6.4 NO in the flue gas
X
During the tests at nominal heat output 6.5.2.1 and at low rate 6.5.2.2, the flue gas composition and the mean NO -
x
content in the flue gases (in ppm) shall be measured.
The NO -content in the flue gases in (mg/MJ) shall be calculated by the following equations:
x
mg
 
NO =()NO −0,2 ⋅()N − N
x xref meas ref
 
MJ
 
 
mg 0,02 ⋅NO −0,34
 
xrech
 
NO = NO +()h −10 ⋅ +0,85 ⋅()20 −T
xref xrech meas meas
 
 
MJ 1−0,02 ⋅()h −10
 
 meas 
 
V
mg 1  21   
 
A,th,tr,min
 
   
NO = ⋅ NO ⋅2,056 ⋅ ⋅
xrech xppm
      
MJ 3,6 21−O H
 
 2meas  i 
 
EN 1:1998/prA1:2005 (E)
Where
NO NO – content in mg/MJ, corrected nitrogen content (N) in the oil
x x
For the test, the nitrogen content (N) in the oil shall be analysed and should be between 70
and 200 mg/kg.
NO NO – value in mg/MJ corrected according reference conditions for air humidity of 10 g/kg
xref x
and room temperature of 20°C
NO From the measurement calculated NO – value in mg/MJ
xrech x
NO measured NO -content in the flue gases in ppm
xppm x
O measured O -content in the flue gases in %
2meas 2
h measured air humidity in g/kg dry air during the NO measurement (between 5 and 15
meas xppm
g/kg)
t measured combustion air temperature in °C during the NO measurement (between 15
meas xppm
and 30 °C)
N measured nitrogen content (N) in the oil in mg/kg
meas
2,056 Specific gravity of NO in kg/m³
H net calorific value of the oil = 11,86*3,6 MJ/kg (mean value)
i
V Theoretical flue gas volume, dry = 10,46 m³/kg (mean value)
A,th,tr,min
N Reference value for nitrogen content (N) in the oil = 140 mg/kg (mean value)
ref
Note: The analysed values for the test oil can be used.
6.6.5 Unburnt hydrocarbons in the flue gas
During the tests at nominal heat output 6.5.2.1 and at low rate 6.5.2.2, the flue gas composition and the mean C H -
n m
content in the flue gases (in ppm) shall be measured.
The content of the unburnt hydrocarbons (C H ) in the flue gases (in mg/MJ) as propane-equivalent is shall be calculated
n m
by the following equation:
V
mg M
tr,min
HC
C H = ⋅ ⋅CH
n m meas
 
MJ H 22,4
 
u
Where
C H Value of unburnt Hydrocarbons (C H ) in the flue gases as propan-equivalent in mg/MJ
n m n m
V Theoretical flue gas volume, dry (Propane) = 21,8 m³/m³
tr,min Br
H net calorific value (Propane) = 93,2 MJ/m³
u Br
M Mol mass of unburnt Hydrocarbons (C H ) in the flue gases = 36,75 kg/kmol (mean value)
HC n m
CH measured mean C H -content in the flue gases in ppm
meas n m
Amend Clause 7 as follows:
7 Instructions and marking of the appliance
The following clauses of EN 1:1998 are changed or supplemented :
7.1 General
Instructions written in the language of the country of intended destination shall accompany the appliance and shall
describe the installation, operation, maintenance and, if assembled on site, the assembly of the appliance. The
instructions shall not be in contradiction to the requirements or test results in accordance with this standard.
EN 1:1998/prA1:2005 (E)
7.2 Installation instructions
The installation instructions shall contain at least the following information:
- a statement to the fact that all local regulations, including those referring to national and European standards
need to be complied with when installing the appliance;
- the type (model or number) of the appliance;
- class of the appliance after table 1 with the number of this European standard like:
flued oil stove EN 1 – class x
- the nominal output in kW, from . (lowest) kW to . (highest) kW or W;
- the right fitting removable Parts.
- horizontal assembly
- chimney connection;
- the safety clearances against combustible materials, and the other protective measures that shall be taken to
protect the building construction;
- the requirements for the supply of combustion air, for the simultaneous operation with other appliances and for
the operation of exhaust air devices;
NOTE – Extractor fans when operating in the same room or space as the appliance, may cause problems.
- the need of any air inlet grilles to be so positioned that they are not liable to blockage;
- the mass of the appliance in kg;
- the minimum flue draught (in Pa) for nominal heat output;
- the flue gas mass flow in g/s;
- whether the appliance is suitable for installation in a shared flue system;
- the flue gas temperature directly downstream of the flue spigot/socket in °C, under nominal heat output
conditions;
- the appliance shall be installed on floors with an adequate load-bearing capacity. If an existing construction
doesn't meet this prerequisite, suitable measures (e.g. load distributing plate) shall be taken to achieve it;
- advice on the need to provide access for cleaning the appliance, the flue gas connector and the chimney flue;
- the installation of the damper device, if applicable;
- the assembly of the appliance on-site, if applicable;
7.3 User operating instructions
The operating instructions shall contain at least the following information:
- a statement to the fact that all local regulations, i
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