EN 14471:2005

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Chimneys - System chimneys with plastic flue liners - Requirements and test methodsConduits de fumée - Systemes de conduits de fumée avec parois intérieurs en plastique - Exigences et méthodes d'essaiAbgasanlagen - Systemabgasanlagen mit Kunststoffinnenrohren - Anforderungen und PrüfungenTa slovenski standard je istoveten z:EN 14471:2005SIST EN 14471:2006en91.060.40ICS:SLOVENSKI
STANDARDSIST EN 14471:200601-januar-2006

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 14471August 2005ICS 91.060.40 English VersionChimneys - System chimneys with plastic flue liners -Requirements and test methodsConduits de fumée - Systèmes de conduits de fumée avecconduits intérieurs en plastique - Prescriptions et méthodesd'essaiAbgasanlagen - Systemabgasanlagen fürKunststoffinnenrohre - Anforderungen und PrüfungenThis European Standard was approved by CEN on 1 July 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.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.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2005 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 14471:2005: E

Test methods for characterisation.42 Annex B (informative)
Examples of characterisation.44 Annex C (normative)
Test methods to determine the effect to long-term thermal load, long-term condensate exposure, wet/dry cycling and resistance to UV.45 Annex D (normative)
Simplified calculation of thermal resistance for circular flues.46 Annex E (informative)
Method for applying an evenly distributed load (horizontal).48 Annex F (informative)
Resistance to UV.49

Clauses of this European standard addressing the provisions of the EU Construction Products Directive.50 ZA.1 Scope and relevant characteristics.50 ZA.2 Procedure of attestation of conformity of system chimneys with plastic flue liners.52 ZA.2.1 System of attestation of conformity.52 ZA.2.2 Certificate and Declaration of conformity.56 ZA.3 CE Marking and labelling.57

1) A system chimney with a plastic flue liner may be a single wall chimney (only the plastic flue liner) or may be a double wall chimney or a flue liner with enclosure.

 corrosion resistance class 3;  pressure class N2. This European Standard is applicable to chimneys constructed so that no condensate concentration can occur e.g. with a minimum inclination of 3 ° to the horizontal. This European Standard is only applicable to system chimneys with plastic flue liners and is not applicable for system chimneys with plastic coated flue liners. This European Standard is not applicable to structurally independent (free-standing or self-supporting) chimneys. 2 Normative references The following referenced documents are indispensable for the application of this European Standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 513, Unplasticized polyvinylchloride (PVC-U) profiles for the fabrication of windows and doors - Determination of the resistance to artificial weathering EN 1443:2003, Chimneys - General requirements EN 1856-1, Chimneys - Requirements for metal chimneys – Part 1 : System chimney products EN 13084-1, Free-standing industrial chimneys - Part 1: General requirements EN 13216-1:2004, Chimneys - Test methods for system chimneys
- Part 1: General test methods EN 13384-1, Chimneys - Thermal and fluid dynamic calculation methods - Part 1: Chimneys serving one appliance EN 13501-1:2002, Fire classification of construction products and building elements - Part 1: Classification using test data from reaction to fire tests
2) There is no sufficient knowledge on data for flue gas condensate from appliances fired with natural wood.

3 Terms and definitions For the purposes of this European Standard, the terms and definitions given in EN 1443:2003 and the following apply. 3.1 characterisation3)
identification of the material by determining a combination of properties covering the thermal, mechanical and physicochemical behaviour 3.2 material material composition of which an individual component is made, being the result of a manufacturing process in which the raw material(s) is transformed by extrusion, moulding, welding etc. in its intended shape 3.3 material test4)
test in which specific properties of a material as defined in 3.2 are tested 3.4 flue passage for conveying the products of combustion to the outside atmosphere [3.2 of EN 1443: 2003] 3.5 flue gas gaseous portion of the products of combustion conveyed in a flue [3.3 of EN 1443: 2003] 3.6 products of combustion products resulting from the combustion of fuel (gaseous, liquid and solid constituents) [3.4 of
EN 1443: 2003] 3.7 flue liner wall of a chimney consisting of components the surface of which is in contact with products of combustion [3.5 of EN 1443: 2003] 3.8 coated flue liner flue liner with a layer applied to change the surface properties 3.9 chimney structure consisting of a wall or walls enclosing a flue or flues [3.6 of EN 1443: 2003] 3.10 chimney component any part of a chimney [3.7 of EN 1443: 2003]
3) A fingerprint of the material. 4) The material test does not include the effects of the performance of the chimney system resulting in stress etc. on the individual components.

which comes in contact with ambient or external environment, or is within cladding or enclosure [3.15 of EN 1443: 2003] 3.16 cladding additional non structural outer wall around a chimney for protection against heat transfer or weathering, or for decorative purposes [3.17 of EN 1443: 2003] 3.17 external installation part of a chimney which is located outside the building 3.18 internal installation part of a chimney which is located inside a building 3.19 joint connection between two components [3.29 of EN 1443: 2003] 3.20 support chimney accessory used to fix, or transfer the load of, chimney components to structural elements (building, mast, etc.)
3.21 connecting flue pipe component or components connecting the heating appliance outlet and the chimney [3.31 of EN 1443: 2003] 3.22 terminal fitting installed at the outlet of a chimney [3.19 of EN 1443: 2003] 3.23 system chimney chimney that is installed using a combination of compatible chimney components, obtained or specified from one manufacturing source with product responsibility for the whole chimney [3.13 of EN 1443: 2003]

Chimneys shall be classified in accordance with classes of convenience for the following parameters:  Temperature;  Pressure;  Sootfire resistance;  Condensate resistance;  Corrosion resistance;  Thermal resistance;  Distance from combustibles;  Location;

 Enclosures. 4.2 Temperature classes Temperature classes for chimneys see Table 1. NOTE Temperature classes up to T600 do not necessarily imply that all of these classes are applicable for system chimneys with plastic flue liners.

Table 1 — Temperature classes Temperature class Nominal working temperature in °C
Performance test temperature in ° C T 080 ≤
80 100 T 100 ≤ 100 120 T 120 ≤ 120 150 T 140 ≤ 140 170 T 160 ≤ 160 190 T 200 ≤ 200 250 T 250 ≤ 250 300 T 300 ≤ 300 350 T 400 ≤ 400 500 T 450 ≤ 450 550 T 600 ≤ 600 700 4.3 Pressure classes Pressure classes in accordance with EN 1443:2003, Table 5 are:  negative pressure chimneys: N1 and N2;  positive pressure chimneys:
P1 and P2;  high positive pressure chimneys:
H1 and H2. 4.4 Sootfire resistance classes Sootfire resistance classes:  G chimneys with sootfire resistance;  O chimneys without sootfire resistance.
4.5 Condensate resistance classes Condensate resistance classes:  W chimneys operating under wet conditions;  D chimneys operating under dry conditions.
4.6 Corrosion resistance classes Corrosion resistance classes for chimneys which convey products of combustion from various fuels are given in Table 2.

NOTE Definition of corrosion resistance class 2 according to EN 1443. In the scope of this European Standard natural wood is excluded, see Clause 1. 4.7 Thermal resistance The designation of the thermal resistance is given as Rxx, where xx is the value in m2 K/W multiplied by 100, rounded to the nearest integer, e.g. R22 is R = 0,22 m2 K/W. 4.8 Distance to combustible material The designation of the distance of the outer surface of the chimney to combustible material is given as Oxx, where xx is the value in mm, e.g. O50 is O = 50 mm distance. 4.9 Location Classes for location:  I internal installation of (components of) chimneys;
 E both internal and external installation of (components of) chimneys. 4.10 Reaction to fire Classes for reaction to fire in accordance with EN 13501-1:  A1 No contribution to a fire / non-combustible;  A2 No contribution to a fire / non-combustible;  B Very limited contribution to a fire;  C Limited – but some – contribution to a fire;  D Not negligible contribution to a fire;  E Poor fire reaction properties;  F No performance criteria.
Further information and additional classifications: see EN 13501-1. 4.11 Enclosures classes Classes for enclosures:  L0
for non-combustible enclosures;  L no enclosures;

 Condensate resistance class; in this standard only class W (see 4.5), related to durability against wet medium (condensing flue gas);  Corrosion resistance class; in this standard only class 1 or 2 (see 4.6), related to durability against synthetic condensate or flue condensate;
 Distance to combustible material (see 4.8), related to thermal performance;  Location (see 4.9), related to durability against environmental influences;  Reaction to fire (see 4.10);  Enclosures (see 4.11), related to durability against environmental influences and related to thermal performance.
EXAMPLE: Chimney EN 14471 - T120 P1 O W 1 O50 I E L0 5 Dimensions and tolerances Following requirements apply:  thickness of the component shall not be less than the minimum thickness declared by the manufacturer;  Measured internal or external diameter D of the fitting or section shall not vary more than ± 5 mm from the nominal diameter;  External circumference of the fitting or section shall be within 50+− mm up to 600 mm internal diameter and within 130+− mm over 600 mm internal diameter, of that declared by the manufacturer;  Installed length of a fitting or section (measured on an assembly including at least one joint) shall be within ± 5 mm of that declared by the manufacturer;  Density of insulation in a fitting or a section shall be within 300+− % of that declared by the manufacturer. Diameters are classified in accordance with Table 3.

6.2.1 General The thermal performance of the system chimney shall be performed in accordance with the thermal test of EN 13216-1. Alternatively in the case
 nominal working temperature is lower than or equal to 120 °C or;  nominal working temperature is lower than or equal to 200 °C and the flue liner is ventilated outside (ventilated circular gap between flue liner and enclosure);
the test of 7.2 shall be performed. For each size group, one size shall be tested. After this test, the requirements of 6.2.2 shall be fulfilled.
6.2.2 Mechanical behaviour and stability 6.2.2.1 Vertical installation The chimney sections, fittings and other components like supports shall not show any physical damage (e.g. cracks) on visual examination. The change of diameter or length of sections and fittings shall not exceed 2 %, the change of angles (e.g. elbows) shall not exceed 2°. 6.2.2.2 Non-vertical installation with supports not more than 1,5 m apart The chimney sections, fittings and other components like supports shall not show any physical damage (e.g. cracks) on visual examination. The change of diameter or length of sections and fittings shall not exceed 2 %, the change of angles (e.g. elbows) shall not exceed 2°. The vertical deviation from the original position of the segment shall not be more than 2 mm per meter between supports.

6.5.2 Recycling All products shall be marked in accordance with EN ISO 14021. The abbreviations of EN ISO 1043-1 shall be used.

chimneys of temperature classes lower than or equal to T200 and outside ventilation of the flue liner (ventilated circular gap between flue liner and enclosure), this requirement is fulfilled when the outer surface temperature of the chimney is not higher than 85 °C . 6.6.1.4 Gas tightness Before and after the test the requirements of 6.5.1 shall be fulfilled. 6.6.2 Thermal resistance If the thermal resistance is not declared to be zero, the thermal resistance value of the chimney section declared by the manufacturer shall be verified in accordance with 7.6.2. 6.6.3 Tightness against moisture and condensate  positive pressure chimneys of class P1 and H1:
 because these chimneys meet the requirements for gas tightness for positive pressure with a low rate of
leakage no test is necessary to proof tightness against moisture and condensate;  single wall chimneys with negative pressure or positive pressure of class P2 and H2: When a section or fitting is tested in accordance with 7.6.3 no condensate shall appear at the outer surface of the section or fitting including joints;  insulated double wall chimneys with negative pressure or positive pressure of class P2 and H2 : When a section or fitting is tested in accordance with 7.6.3 the increase in mass of the section or fitting shall not exceed 1,0 %

The flow resistance of the terminal shall be declared by the manufacturer in accordance with 7.6.6.1. 6.6.6.2 Other properties
If the manufacturer declares for the terminal any specific aerodynamic behaviour the relevant requirements of EN 1856-1 shall apply. If the manufacturer declares for the terminal any resistance to rain the relevant requirements and test methods of EN 1856-1 shall apply. If the manufacturer declares the suitability for vertical balanced flue terminals for C6 appliances the relevant requirements and test methods of prEN 14989-1 shall apply (including recirculation and flow resistance of combustion air supply).
If the manufacturer declares for the terminal any resistance against icing the relevant requirements and test methods of prEN 14989-1 shall apply.
6.7 Materials, durability 6.7.1 General The material shall be resistant against the mechanical, chemical and thermal attack. The effects of combustion products and condensate as well as the effects of impact strength, sunlight (especially UV radiation) and low temperatures shall also be taken into account. 6.7.2 Characterisation The material shall be identified by the thermal, mechanical and physicochemical behaviour. The characterisation shall include the density and at least 5 more properties. At least one property has to be taken of each of the three groups of methods in Annex A. The characterisation methods shall be chosen in such a way that the characterisation includes the relevant properties of the material. Examples are given in Annex B. The material shall be characterised as described in 7.7.2.
6.7.3 Long-term resistance to thermal load The material shall be capable of withstanding exposure to the nominal working temperature as described in 7.7.3. The tensile modulus and the yield stress shall be measured in all cases of rigid pipes and fittings.

6.7.4 Long-term resistance to condensate exposure The plastic flue liner should be designed so that no condensate remains in the flue liner (in case of corrugated flexible pipes special measures have to be considered). The material shall be capable of withstanding exposure to condens
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