SIST EN 14989-1:2007
(Main)Chimneys - Requirements and test methods for metal chimneys and material independent air supply ducts for roomsealed heating applications - Part 1: Vertical air/flue terminals for C6-type appliances
Chimneys - Requirements and test methods for metal chimneys and material independent air supply ducts for roomsealed heating applications - Part 1: Vertical air/flue terminals for C6-type appliances
This standard specifies the requirements and test methods for positive pressure air/flue terminals with metal flue ducts for C62- and C63-type gas appliances, which convey air for combustion, and the products of combustion from appliances to the outside atmosphere.
It also specifies the requirements for marking, manufacturer’s instructions, product information and evaluation of conformity.
NOTE The classification of gas appliances is according to CEN/TR 1749.
Abgasanlagen - Anforderungen und Prüfverfahren für Metall-Abgasanlagen und materialunabhängige Luftleitungen für raumluftunabhängige Anlagen - Teil 1: Senkrecht angeordnete luft/Abgas-Aufsätze für Abgasanlagen mit Gasgeräten des Typs C6
Diese Norm beinhaltet Anforderungen und Prüfverfahren für senkrecht angeordnete Aufsätze für Abgasanlagen mit Gasgeräten der Typen C62 und C63.
Sie legt ebenfalls Anforderungen an die Kennzeichnung, an Herstelleranleitungen, Produktinformationen und an ein Konformitätsbeurteilungssystem fest.
Conduits de fumée - Exigences et méthodes d'essais pour conduits de fumées métalliques et conduits d'alimentation en air pour tous matériaux pour des appareils de chauffages étanches - Partie 1 : Terminaux verticaux air/fumée pour appareils de type C6
La présente Norme spécifie les exigences et les méthodes d'essai relatives aux terminaux verticaux fonctionnant sous pression positive destinés aux appareils a gaz de type C62 et C63.
Elle spécifie également les exigences relatives au marquage, aux instructions des fabricants, aux informations produit et a l'évaluation de la conformité.
Dimniki - Zahteve in preskusne metode za kovinske dimnike in od materialov neodvisne kanale za dovod zraka za ogrevalne naprave v zaprtih prostorih - 1. del: Navpični terminali za odvod dima in dovod zraka za plinske kotle tipa C6
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Chimneys - Requirements and test methods for metal chimneys and material independent air supply ducts for roomsealed heating applications - Part 1: Vertical air/flue terminals for C6-type appliancesDWHULDORYConduits de fumée - Exigences et méthodes d'essais pour conduits de fumées métalliques et conduits d'alimentation en air pour tous matériaux pour des appareils de chauffages étanches - Partie 1 : Terminaux verticaux air/fumée pour appareils de type C6Abgasanlagen - Anforderungen und Prüfverfahren für Metall-Abgasanlagen und materialunabhängige Luftleitungen für raumluftunabhängige Anlagen - Teil 1: Senkrecht angeordnete luft/Abgas-Aufsätze für Abgasanlagen mit Gasgeräten des Typs C6Ta slovenski standard je istoveten z:EN 14989-1:2007SIST EN 14989-1:2007en;fr;de91.060.40Dimniki, jaški, kanaliChimneys, shafts, ductsICS:SLOVENSKI
STANDARDSIST EN 14989-1:200701-julij-2007
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 14989-1February 2007ICS 91.060.40 English VersionChimneys - Requirements and test methods for metal chimneysand material independent air supply ducts for roomsealedheating applications - Part 1: Vertical air/flue terminals for C6-type appliancesConduits de fumée - Exigences et méthodes d'essais pourconduits de fumées métalliques et conduits d'alimentationen air pour tous matériaux pour des appareils dechauffages étanches - Partie 1 : Terminaux verticauxair/fumée pour appareils de type C6Abgasanlagen - Anforderungen und Prüfverfahren fürMetall-Abgasanlagen und materialunabhängigeLuftleitungen für raumluftunabhängige Anlagen - Teil 1:Senkrecht angeordnete luft/Abgas-Aufsätze fürAbgasanlagen mit Gasgeräten des Typs C6This European Standard was approved by CEN on 7 January 2007.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 CEN 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 translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, 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© 2007 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 14989-1:2007: E
EN 14989-1:2007 (E) 2 Contents Page Foreword.4 Introduction.5 1 Scope.6 2 Normative references.6 3 Terms and definitions.6 4 Symbols.8 5 Manufacturer's declaration for type test.10 6 Dimensions and tolerances.11 7 Performance requirements.11 7.1 Mechanical resistance and stability.11 7.1.1 Vertical load on the air/flue terminal.11 7.1.2 Wind load.11 7.2 Hygiene, health and environment.11 7.2.1 Gas tightness of the flue.11 7.2.2 Gas tightness of the air supply duct.11 7.3 Safety in use.11 7.3.1 Thermal performance.11 7.3.2 Thermal resistance.12 7.3.3 Rainwater ingress.12 7.3.4 Aerodynamic properties of the terminal.13 7.3.5 Resistance to ice formation.15 7.3.6 Resistance to penetration by foreign objects.15 7.3.7 Materials.15 8 Product information.16 8.1 Manufacturer’s instructions.16 8.2 Minimum information to be included in the manufacturer’s instructions.16 8.3 Sampling points.17 9 Marking.17 9.1 Air/flue terminal.17 9.2 Packaging.18 10 Designation.18 10.1 General.18 10.2 Temperature classes and test temperature.19 10.3 Pressure class.19 10.4 Condensate resistance class.20 10.5 Corrosion resistance.20 10.5.1 Corrosion resistance.20 10.5.2 Flue duct material specification for terminals.20 10.6 Resistance to fire (internal to external): Soot fire resistance and distance to combustible material.21 10.7 Additional characteristics.21 10.7.1 Wind class.21 10.7.2 Ice/rain class.21 10.7.3 Pilot flame class.22 11 Evaluation of conformity.22 11.1 General.22
EN 14989-1:2007 (E) 3 11.2 Type testing.22 11.2.1 General.22 11.2.2 Further type testing.23 11.2.3 Sampling for type testing.23 11.3 Factory production control (FPC).23 11.3.1 General.23 11.3.2 Equipment.24 11.3.3 Raw materials and components.24 11.3.4 Product testing and evaluation.24 11.3.5 Non conforming products.24 12 Test methods.25 12.1 Mechanical resistance and stability.25 12.1.1 Vertical load on the air/flue terminal.25 12.1.2 Wind load.25 12.1.3 Gas tightness of the flue.25 12.1.4 Gas tightness of the air supply duct.26 12.2 Safety in use.26 12.2.1 Test environment.26 12.2.2 Test assembly.27 12.2.3 Hot gas generator.28 12.2.4 Procedure.29 12.3 Rainwater ingress.37 12.3.1 Test assembly.37 12.3.2 Procedure.38 12.4 Aerodynamic behaviour of air/flue terminal.38 12.4.1 Test assembly.38 12.4.2 Test procedure.42 12.4.3 Results.44 12.5 Icing test.44 12.5.1 Test assembly.44 12.6 Resistance to penetration by foreign objects.45 12.6.1 Test assembly.45 12.6.2 Procedure.45 12.6.3 Results.45 12.7 Low temperature test.46 Annex A (informative)
Typical dimensions.47 Annex B (informative)
Sampling for factory production control.51 Annex C (normative)
Choice of size for type test and sampling.53 Annex D (normative)
Factory production control.55 Annex E (normative)
Method of measuring the hot gas temperature.57 Annex ZA (informative)
Clauses of this European Standard addressing the provisions of the EU Construction Products Directive.58 Bibliography.64
EN 14989-1:2007 (E) 4 Foreword This document (EN 14989-1:2007) has been prepared by Technical Committee CEN/TC 166 “Chimneys”, the secretariat of which is held by UNI. 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 August 2007, and conflicting national standards shall be withdrawn at the latest by November 2008. This document 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 relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EN 14989-1:2007 (E) 5 Introduction This standard covers vertical air/flue terminals with metal flue ducts for chimneys for roomsealed heating applications meaning the combination of flue duct and air supply duct needed for the correct functioning of a C6 roomsealed appliance. The current requirements and test methods apply to balanced flue type applications. Requirements and test methods for other roomsealed applications will follow in separate documents. A standard covering the design, installation and commissioning of room sealed heating applications is in the current CEN/TC 166 work program, which includes this Part 1: Vertical Terminals for C6-type appliances, and Part 2: Flue and air supply ducts for individual roomsealed appliances.
EN 14989-1:2007 (E) 6 1 Scope This standard specifies the requirements and test methods for positive pressure air/flue terminals with metal flue ducts for C62- and C63-type gas appliances, which convey air for combustion, and the products of combustion from appliances to the outside atmosphere. It also specifies the requirements for marking, manufacturer’s instructions, product information and evaluation of conformity. NOTE The classification of gas appliances is according to CEN/TR 1749. 2 Normative references The following referenced documents are indispensable for the application 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. EN 573-3, Aluminium and aluminium alloys - Chemical composition and form of wrought products - Part 3: Chemical composition EN 1443:2003, Chimneys - General requirements EN 1856-1:2003, Chimneys - Requirements for metal chimneys - Part 1: System chimney products EN 1856-2:2004, Chimneys - Requirements for metal chimneys - Part 2: Metal liners and connecting flue pipes
EN 1859:2000, Chimneys - Metal chimneys - Test methods EN 10088-1, Stainless steels - Part 1: List of stainless steels EN 14241-1, Chimneys - Elastomeric seals and elastomeric sealants - Material requirements and test methods - Part 1: Seals in flue liners EN 14471, Chimneys - System chimneys with plastic flue liners - Requirements and test methods
3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 1443:2003, EN 1859:2000, EN 1856-1:2003, EN 1856-2:2004 and the following apply. 3.1 air/flue terminal terminal unit consisting of a flue duct, which may be provided with a cover, and an air supply duct for the connection of a roomsealed appliance 3.2 air supply duct independent duct in a building, or a structural part of an air/flue terminal, conveying combustion air to a roomsealed appliance
EN 14989-1:2007 (E) 7 3.3 concentric air/flue configuration configuration in which the chimney flue is fully surrounded by the air supply duct 3.4 flow resistance difference between the static pressures in the flue connection and the air supply duct connection under dynamic conditions 3.5 friction length imaginary dimension for the flow resistance of the air/flue terminal expressed in metres of duct length 3.6 nominal diameter of the flue of the terminal (Dn) whole number representing the diameter of the flue of the terminal, expressed in millimetres 3.7 nominal flow rate amount of air which flows at the nominal velocity through a duct with nominal diameter 3.8 nominal velocity velocity in a duct which characterises the velocity used in the test
NOTE The actual test velocity may differ from the nominal velocity, because the actual inside diameter differs from the nominal diameter. 3.9 push-in spigot part of a pipe or fitting which is pushed into the socket of another pipe or fitting, thus resulting in a connection 3.10 re-circulation percentage ratio between the amount of flue gases leaking through the flue opening into the air supply duct opening of the terminal and the total amount of flue gases produced 3.11 room-sealed appliance appliance in which the combustion circuit (air supply, combustion chamber, heat exchanger and evacuation of the products of combustion) is sealed with respect to the room in which the appliance is installed 3.12 separate air/flue configuration configuration in which the air supply duct and the chimney flue are separate (non-concentric) 3.13 socket part of a pipe or fitting which is pushed over the push-in spigot of another pipe or fitting, thus resulting in a connection 3.14 terminal adapter part of the terminal used to connect the terminal to the air supply duct and the flue. It may include the transition from parallel to concentric configuration 3.15 wind pressure angle angle from which the wind (generated in the wind tunnel) hits the air/flue terminal
EN 14989-1:2007 (E) 8 3.16 wind effect pressure additional pressure difference between the inlet and the outlet of the terminal due to the wind 3.17 balanced flue chimney system system where the air entry to the combustion air supply duct is adjacent to the discharge of combustion products from the flue, the inlet and outlet being so positioned that wind effects are substantially balanced 4 Symbols αa coefficient of heat transfer between the supply air and the outer surface of the flue duct in
KmW2⋅ αaB coefficient of heat transfer between the outside of the air supply duct and the ambient air in KmW2⋅ αi coefficient of heat transfer between the air and the inner surface of the flue duct in
KmW2⋅ αiB coefficient of heat transfer between the supply air and the inner surface of the air supply duct in KmW2⋅ ηA dynamic viscosity of air for Tm in 2msN⋅ ηB dynamic viscosity of air for TmB in 2msN⋅ λA thermal conductivity of air for Tm in KmW⋅ λB thermal conductivity of air for TmB in KmW⋅ Λ1 thermal resistance of the flue duct in
WKm2⋅ BΛ1 thermal resistance of the air supply duct in WKm2⋅ ρ density of air at 20 °C = 1,2 in 3mkg ρa density of air in 3mkg ρe density of air for Te in 3mkg ρm density of air for Tm in 3mkg ρmB density of air for TmB in 3mkg ψ coefficient of friction of the flue -
ψB the higher of the value of the coefficient of friction of the inside of the air supply duct and the outside of the flue duct -
EN 14989-1:2007 (E) 9 ψsmooth coefficient of friction of the flue for hydraulically smooth flow -
ψsmoothB coefficient of friction of the air supply for hydraulically smooth flow -
ζ coefficient of flow resistance, friction factor -
ζA declared coefficient of flow resistance of the air supply duct of the terminal -
ζF declared coefficient of flow resistance of the flue duct of the terminal -
AB cross-sectional area of the air supply passage in m² cp specific heat capacity of air for Tm in KkJ⋅g cpB specific heat capacity of air for TmB in KkJ⋅g d1 external diameter of the push-in spigot of the flue duct in
mm d2 internal diameter of the socket of the flue duct in
mm D1 external diameter of the push-in spigot of the air supply in
mm D2 internal diameter of the duct socket of the air supply duct in
mm Dh hydraulic diameter of the flue in
m Dha hydraulic diameter of the outside of the flue duct in
m DhaB hydraulic diameter of the outside of the air supply duct in m DhB hydraulic diameter of the air supply passage in m DhiB hydraulic diameter of the inside of the air supply duct in m Dn declared nominal diameter of the terminal in mm kb coefficient of heat transmission between the flue and the air supply passage at temperature equilibrium in
KmW2⋅ kBb coefficient of heat transmission between the supply air and the ambient air at temperature equilibrium in KmW2⋅ L length of the test segment in m L0 Available insertion length in
mm Nu Nusselt number for the flue -
Nua Nusselt number for the outside of the flue duct -
NuB Nusselt number for a reference pipe flow -
NuiB Nusselt number for the inside of the air supply duct -
∆p Static pressure difference, measured friction in
Pa PA static pressure above ambient pressure directly downstream of the air supply duct of the terminal in
Pa PF static pressure above ambient pressure directly upstream of the flue duct of the terminal in
Pa PL wind effect pressure in
Pa Pr Prandtl number of the flue duct -
PrB Prandtl number of the supply air duct -
r mean value of roughness of the inner wall of the flue duct in m rB the higher of the value of the mean value of roughness of the inside of the air supply duct and the outside of the flue duct in m
EN 14989-1:2007 (E) 10 Re Reynolds number of the flue -
ReB Reynolds number of the air supply passage -
SA cross sectional area of the duct at the measurement position directly downstream of the air supply duct of the terminal in mm2 SF cross sectional area of the duct at the measurement position directly upstream of the flue duct of the terminal in mm2 Srad correction factor for radiation from the outer surface of the flue duct to the inner surface of the air supply duct -
Te air temperature at the flue inlet in °C TeB air temperature at the air supply inlet in °C TmB mean temperature in the air supply in °C To air temperature at the flue outlet in °C ToB air temperature at air supply outlet in °C Tu ambient air temperature
in °C U circumference of the inside of the flue in m Ua circumference of the outside of the flue duct in m UiB circumference of the inside of the air supply duct in m V• test flow rate
in s3m wA velocity at the static pressure measurement position directly downstream of the air supply duct of the terminal, in m/s. in sm wF velocity at the static pressure measurement position directly upstream of the flue duct of the terminal, in m/s. in sm wn velocity of the flow inside the terminal under nominal operating conditions
in sm wmB average velocity of the supply air in sm ww Wind speed in sm x centre to centre distance of the air supply duct and the flue duct for separate air/flue configuration in
mm 5 Manufacturer's declaration for type test The manufacturer shall provide the relevant information from product documentation and instructions and in addition shall declare: a) the manufacturing drawings including declared internal diameter and tolerances of manufacture; b) materials from which the air/flue terminal is made (according to EN 10088-1 and EN 573-3 for metal); c) the minimum thicknesses after manufacture; and d) the nominal diameter (Dn); e) the nominal length (Ln)
EN 14989-1:2007 (E) 11 6 Dimensions and tolerances The thickness of material of the flue and air supply ducts shall be not less than that declared by the manufacturer. The declared internal diameter and length of the air/flue terminal shall not vary by more than ± 5 mm from the nominal diameter (Dn) and nominal length (Ln). The measured internal diameter of the air/flue terminal shall be not less than the manufacturer's declared diameter. NOTE Annex A gives examples of typical dimensions for air flue terminals. 7 Performance requirements 7.1 Mechanical resistance and stability 7.1.1 Vertical load on the air/flue terminal When tested according to the test method described in 12.1.1, the flue/air terminal shall be able to withstand an evenly applied force of 7 N/mm x Dn to a maximum of 750 N without showing any permanent deformations. 7.1.2 Wind load When the air/flue terminal is tested according to the test method described in 12.1.2, the air/flue terminal shall withstand a minimum load of 1,5 kN/m2 of the projected outer surface area. This requirement shall be declared fulfilled for a terminal of height less than 0,8 m above the roof, and more than 0,4 m below the roof. 7.2 Hygiene, health and environment 7.2.1 Gas tightness of the flue When an air/flue terminal is tested according to the test method described in 12.1.3 with a positive pressure of 200 Pa in the flue, the leakage rate shall not exceed 0,006 l s-1 m-2 of surface area of the flue before and after the thermal performance test. 7.2.2 Gas tightness of the air supply duct
When an air/flue terminal is tested according to the test method described in 12.1.4 with a positive pressure of 40 Pa in the air supply duct section, the leakage shall not exceed 0,28 l s-1 m-2 of surface of the air supply duct before and after the thermal performance test. 7.3 Safety in use 7.3.1 Thermal performance 7.3.1.1 Gas tightness The air/flue terminal shall meet the gas tightness requirements of 7.2 before performing the test described in 12.2.4.1 and after
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