Gas-fired central heating boilers - Specific requirements for condensing boilers with a nominal heat input greater than 70 kW but not exceeding 1000 kW

This document applies to gas-fired central heating boilers, which are declared by the manufacturer to be "condensing boilers":
- of types C (excluding appliances without a fan) and B,
- using one or more gases corresponding to the three gas families, and
- for which the nominal heat input is greater than 70 kW but not exceeding 1 000 kW. This document only covers type testing.
This document completes or modifies the standards EN 656, EN 13836, and prEN 15420 hereafter called "boiler standards". It specifies supplementary requirements for condensing boilers.

Heizkessel für gasförmige Brennstoffe - Spezielle Anforderungen an Brennwert-Heizkessel mit einer Nennwärmebelastung größer als 70 kW aber gleich oder kleiner als 1000 kW

Dieses Dokument gilt für Heizkessel für gasförmige Brennstoffe, die vom Hersteller zu Brennwertheiz-kesseln erklärt worden sind:
-   Heizkessel der Bauart C (ausschließlich Geräte mit einem Gebläse) und B;
-   Heizkessel für eine Gasart oder für mehrere Gasarten, entsprechend den drei Gasfamilien, und
-   Heizkessel, bei denen die Nennwärmebelastung größer als 70 kW aber kleiner oder gleich 1 000 kW ist. Dieses Dokument gilt nur für die Typprüfung.
Dieses Dokument vervollständigt oder ändert die Normen EN 656, EN 13836 und prEN 15420, die im Folgenden Kesselnormen genannt werden. Es nennt zusätzliche Anforderungen für Brennwertheizkessel.

Chaudieres de chauffage central utilisant les combustibles gazeux - Exigences spécifiques aux chaudieres a condensation dont le débit calorifique nominal est supérieur a 70 kW mais inférieur ou égal a 1000 kW

Le présent document s’applique aux chaudieres de chauffage central utilisant les combustibles gazeux qui sont désignées par le fabricant comme «chaudieres a condensation» :
-   des types C (excepté les appareils sans ventilateur) et B ;
-   utilisant un ou plusieurs gaz correspondant aux trois familles de gaz ; et
-   dont le débit calorifique nominal est supérieur a 70 kW mais inférieur ou égal a 1 000 kW. Ce document couvre uniquement les essais de type.
Le présent document complete ou modifie les normes EN 656,pr EN 13836 et le WI 0100031 prEN 15420, ci-apres désignées «normes chaudieres». Il définit les exigences supplémentaires visant les chaudieres a condensation.

Plinski kotli za centralno gretje – Posebne zahteve za kondenzacijske kotle z imensko močjo nad 70 kW do vključno 1000 kW

General Information

Status
Withdrawn
Publication Date
31-Aug-2006
Withdrawal Date
13-Aug-2014
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
14-Aug-2014
Due Date
06-Sep-2014
Completion Date
14-Aug-2014

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Heizkessel für gasförmige Brennstoffe - Spezielle Anforderungen an Brennwert-Heizkessel mit einer Nennwärmebelastung größer als 70 kW aber gleich oder kleiner als 1000 kWChaudieres de chauffage central utilisant les combustibles gazeux - Exigences spécifiques aux chaudieres a condensation dont le débit calorifique nominal est supérieur a 70 kW mais inférieur ou égal a 1000 kWGas-fired central heating boilers - Specific requirements for condensing boilers with a nominal heat input greater than 70 kW but not exceeding 1000 kW97.100.20Plinski grelnikiGas heaters91.140.10Sistemi centralnega ogrevanjaCentral heating systemsICS:Ta slovenski standard je istoveten z:EN 15417:2006SIST EN 15417:2006en,fr,de01-september-2006SIST EN 15417:2006SLOVENSKI

STANDARD
SIST EN 15417:2006

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 15417July 2006ICS 91.140.10 English VersionGas-fired central heating boilers - Specific requirements forcondensing boilers with a nominal heat input greater than 70 kWbut not exceeding 1000 kWChaudières de chauffage central utilisant les combustiblesgazeux - Exigences spécifiques aux chaudières àcondensation dont le débit calorifique nominal est supérieurà 70 kW mais inférieur ou égal à 1000 kWHeizkessel für gasförmige Brennstoffe - SpezielleAnforderungen an Brennwert-Heizkessel mit einerNennwärmebelastung größer als 70 kW aber gleich oderkleiner als 1000 kWThis European Standard was approved by CEN on 18 May 2006.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, 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© 2006 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 15417:2006: ESIST EN 15417:2006

EN 15417:2006 (E) 2 Contents Page Foreword..............................................................................................................................................................4 1 Scope......................................................................................................................................................5 2 Normative references............................................................................................................................5 3 Terms and definitions...........................................................................................................................5 4 Classification of boilers........................................................................................................................5 4.1 Gases and categories............................................................................................................................5 4.2 Classification according to the mode of evacuation of the combustion products........................5 4.3 Classification according to operating conditions..............................................................................6 4.3.1 Gas condensing boiler..........................................................................................................................6 4.3.2 Standard boiler.......................................................................................................................................6 5 Constructional requirements................................................................................................................6 5.1 Materials in contact with condensate..................................................................................................6 5.2 Removal of condensate........................................................................................................................6 5.3 Chemical composition of the condensate..........................................................................................6 5.4 Control of the combustion products temperature.............................................................................6 6 Operational requirements.....................................................................................................................7 6.1 General....................................................................................................................................................7 6.2 Verification of the nominal condensing output..................................................................................7 6.3 Formation of condensate......................................................................................................................7 6.4 Temperature of combustion products.................................................................................................8 6.5 Combustion............................................................................................................................................8 6.6 Useful efficiency....................................................................................................................................8 6.6.1 General....................................................................................................................................................8 6.6.2 Useful at the nominal heat input..........................................................................................................8 6.6.3 Useful efficiency at part load................................................................................................................8 7 Test methods..........................................................................................................................................8 7.1 General....................................................................................................................................................8 7.2 Verification of the nominal condensing output..................................................................................9 7.3 Formation of condensate......................................................................................................................9 7.4 Temperature of combustion products.................................................................................................9 7.5 Combustion............................................................................................................................................9 7.5.1 Normal conditions.................................................................................................................................9 7.5.2 Condensate discharge blockage..........................................................................................................9 7.6 Useful efficiency.................................................................................................................................10 7.6.1 General.................................................................................................................................................10 7.6.2 Useful efficiency at nominal heat input............................................................................................10 7.6.3 Useful efficiency at part load.............................................................................................................10 8 Marking................................................................................................................................................10 8.1 Data plate.............................................................................................................................................10 8.2 Instructions.........................................................................................................................................10 8.2.1 Technical instructions for the installer............................................................................................10 8.2.2 Use and maintenance instructions for the user..............................................................................11 Annex A (normative)

Correction for the determined efficiency in the low water temperature test of condensing boilers........................................................................................................................12 Annex ZA (informative)

Clauses of this European standard addressing essential requirements or other provisions of EU Directives.....................................................................................................14 SIST EN 15417:2006

EN 15417:2006 (E) 3 Bibligraphy........................................................................................................................................................17

SIST EN 15417:2006

EN 15417:2006 (E) 4 Foreword This document (EN 15417:2006) has been prepared by Technical Committee CEN/TC 109 "Central heating boilers using gaseous fuels", the Secretariat of which is held by NEN. 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 January 2007, and conflicting national standards shall be withdrawn at the latest by January 2007. 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, 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. SIST EN 15417:2006

EN 15417:2006 (E) 5 1

Scope This document applies to gas-fired central heating boilers, which are declared by the manufacturer to be "condensing boilers":  of types C (excluding appliances without a fan) and B,

 using one or more gases corresponding to the three gas families, and

 for which the nominal heat input is greater than 70 kW but not exceeding 1 000 kW. This document only covers type testing. This document completes or modifies the standards EN 656, EN 13836, and prEN 15420 hereafter called "boiler standards". It specifies supplementary requirements for condensing boilers. 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 656:1999, Gas-fired central heating boilers  Type B boilers of nominal heat input exceeding 70 kW, but not exceeding 300 kW EN 13836:2006, Gas-fired central heating boilers  Type B boilers of nominal heat input exceeding 300 kW, but not exceeding 1 000 kW prEN 15420:2006, Gas-fired central heating boilers  Type C boilers of nominal heat input exceeding 70 kW, but not exceeding 1 000 kW

3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 656:1999, EN 13836:2006 and the following apply. 3.1 condensate liquid formed from the combustion products during the condensation process 4 Classification of boilers 4.1 Gases and categories Gases and categories are in accordance with those given in the "boiler standards" 4.2 Classification according to the mode of evacuation of the combustion products The classifications according to the mode of evacuation of combustion products are in accordance with those given in the "boiler standards". SIST EN 15417:2006

EN 15417:2006 (E) 6 4.3 Classification according to operating conditions1 4.3.1 Gas condensing boiler A type of boiler designed to condense permanently a large part of the water vapour contained in the combustion gases 4.3.2 Standard boiler A type of boiler for which the average water temperature can be restricted by design 5 Constructional requirements 5.1 Materials in contact with condensate All parts of the heat exchanger(s) and other parts of the boiler likely to come into contact with condensate shall be constructed of sufficiently corrosion resistant materials or materials protected by a suitable coating in order to ensure a reasonable life for a boiler that is installed, used and maintained in accordance with the manufacturer's instructions. 5.2 Removal of condensate Condensate produced during operation of the boiler, including condensate formed in the flue and its connecting pipes, shall be removed by means of a discharge pipe (or pipes).

The internal diameter of the outside connection of the condensate discharge system shall be at least 13 mm.

The disposal system, forming part of the boiler or supplied with the boiler, shall be such that:  it can be easily inspected and cleaned in accordance with the manufacturer's instructions;

 it cannot transmit combustion products into the room where the boiler is installed; this requirement is satisfied if the disposal system incorporates a water trap;  a water trap has a seal of at least 25 mm at

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