Residential space heating appliances fired by wood pellets - Requirements and test methods

This European Standard specifies requirements relating to the design, manufacture, construction, safety and performance (efficiency and emissions), instructions and marking together with associated test methods and test fuels for type-testing residential space heaters fired by wood pellets, and mechanically fed up to 50 kW nominal heat output.
These appliances may be freestanding or inset appliances and provide heat into the space where they are installed and may be operated with either natural draught or fan-assisted combustion air. Additionally, where fitted with a boiler, they also provide domestic hot water and/or central heating. These appliances burn wood pellets only, in accordance with the appliance manufacturer's instructions. They operate with firedoors closed only.
Non mechanically fed appliances burning solid mineral fuels, peat briquettes and natural or manufactured wood logs are not included in this European Standard, but are covered by EN 13229 and EN 13240.
NOTE   These appliances may have an integral fuel hopper or be combined with an external fuel hopper.

Raumheizer zur Verfeuerung von Holzpellets - Anforderungen und Prüfverfahren

Diese Europäische Norm legt Anforderungen an Auslegung, Herstellung, Ausführung, Sicherheit und Leistungsvermögen (Wirkungsgrad und Emission), Anleitung und Kennzeichnung zusammen mit zugehörigen Prüfverfahren und Prüfbrennstoffen für die Typprüfung von Raumheizern für Holzpellets mit einer Nennwärmeleistung bis 50 kW fest, die mechanisch beschickt werden.
Diese Feuerstätten dienen der Raumheizung, gegebenenfalls auch der Brauchwassererzeugung. Sie können mit natürlichem Förderdruck oder mit gebläseunterstützter Verbrennungsluftzufuhr betrieben werden. Sofern sie mit wasserführenden Bauteilen ausgestattet sind, beheizen sie auch Heizwasser und/oder Brauchwasser. Diese Feuerstätten können entsprechend der Bedienungsanleitung des Herstellers Holzpellets nur mit geschlossenen Feuerraumtüren verfeuern.
Nicht mechanisch beschickte Feuerstätten für feste mineralische Brennstoffe, Torfbriketts, Holzscheite und Holzbriketts sind nicht Gegenstand dieser Europäischen Norm, diese werden behandelt in der EN 13229 und EN 13240.
ANMERKUNG   Sie können mit einem integrierten oder externen Füllraum für Brennstoff ausgestattet sein.

Appareils de chauffage domestique à convection à granulés de bois - Exigences et méthodes d'essai

La présente Norme européenne définit les exigences relatives à la conception, à la fabrication, à l’assemblage,
à la sécurité, aux performances (rendement et émissions), aux instructions et au marquage ainsi que les
méthodes et combustibles correspondants pour les essais des appareils de chauffage domestiques à
granulés de bois et à alimentation mécanique d'une puissance calorifique nominale allant jusqu'à 50 W.
Ces appareils peuvent être indépendants ou encastrés et fournissent de la chaleur dans l'espace où ils sont
installés ; ils peuvent fonctionner en tirage naturel ou être équipés d'un ventilateur pour l'alimentation en air de
combustion. De plus, lorsqu’ils sont équipés d'une chaudière, ils fournissent également de l’eau chaude
sanitaire et/ou du chauffage central. Ces appareils utilisent le granulé de bois uniquement, conformément aux
instructions du fabricant de l'appareil. Ils fonctionnent uniquement avec des portes de foyer fermées.
La présente Norme européenne ne traite pas des appareils dépourvus d’alimentation mécanique qui utilisent
des combustibles minéraux solides, des briquettes de tourbe et des bûches de bois naturelles ou
reconstituées ; ces appareils font l'objet des normes EN 13229 et EN 13240.
NOTE Ces appareils peuvent comporter une trémie d’alimentation intégrée ou être combinés avec une trémie
d’alimentation externe.

Naprave za gretje stanovanjskih prostorov na lesne pelete - Zahteve in preskusne metode

General Information

Status
Withdrawn
Publication Date
06-Jun-2006
Withdrawal Date
13-Apr-2025
Current Stage
9960 - Withdrawal effective - Withdrawal
Start Date
21-Dec-2022
Completion Date
14-Apr-2025

Relations

Effective Date
23-Feb-2022

Frequently Asked Questions

EN 14785:2006 is a standard published by the European Committee for Standardization (CEN). Its full title is "Residential space heating appliances fired by wood pellets - Requirements and test methods". This standard covers: This European Standard specifies requirements relating to the design, manufacture, construction, safety and performance (efficiency and emissions), instructions and marking together with associated test methods and test fuels for type-testing residential space heaters fired by wood pellets, and mechanically fed up to 50 kW nominal heat output. These appliances may be freestanding or inset appliances and provide heat into the space where they are installed and may be operated with either natural draught or fan-assisted combustion air. Additionally, where fitted with a boiler, they also provide domestic hot water and/or central heating. These appliances burn wood pellets only, in accordance with the appliance manufacturer's instructions. They operate with firedoors closed only. Non mechanically fed appliances burning solid mineral fuels, peat briquettes and natural or manufactured wood logs are not included in this European Standard, but are covered by EN 13229 and EN 13240. NOTE These appliances may have an integral fuel hopper or be combined with an external fuel hopper.

This European Standard specifies requirements relating to the design, manufacture, construction, safety and performance (efficiency and emissions), instructions and marking together with associated test methods and test fuels for type-testing residential space heaters fired by wood pellets, and mechanically fed up to 50 kW nominal heat output. These appliances may be freestanding or inset appliances and provide heat into the space where they are installed and may be operated with either natural draught or fan-assisted combustion air. Additionally, where fitted with a boiler, they also provide domestic hot water and/or central heating. These appliances burn wood pellets only, in accordance with the appliance manufacturer's instructions. They operate with firedoors closed only. Non mechanically fed appliances burning solid mineral fuels, peat briquettes and natural or manufactured wood logs are not included in this European Standard, but are covered by EN 13229 and EN 13240. NOTE These appliances may have an integral fuel hopper or be combined with an external fuel hopper.

EN 14785:2006 is classified under the following ICS (International Classification for Standards) categories: 97.100.30 - Solid fuel heaters. The ICS classification helps identify the subject area and facilitates finding related standards.

EN 14785:2006 has the following relationships with other standards: It is inter standard links to EN 16510-2-6:2022. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

EN 14785:2006 is associated with the following European legislation: EU Directives/Regulations: 305/2011, 89/106/EEC; Standardization Mandates: M/129. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.

You can purchase EN 14785:2006 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.

Standards Content (Sample)


2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Residential space heating appliances fired by wood pellets - Requirements and test methodsNaprave za gretje stanovanjskih prostorov na lesne pelete - Zahteve in preskusne metodeAppareils de chauffage domestique a convection a granulés de bois - Exigences et méthodes d'essaiRaumheizer zur Verfeuerung von Holzpellets - Anforderungen und PrüfverfahrenTa slovenski standard je istoveten z:EN 14785:2006SIST EN 14785:2006en,fr,de97.100.30ICS:SLOVENSKI
STANDARDSIST EN 14785:200601-november-2006

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 14785June 2006ICS 97.100.30 English VersionResidential space heating appliances fired by wood pellets -Requirements and test methodsAppareils de chauffage domestique à convection àgranulés de bois - Exigences et méthodes d'essaiRaumheizer zur Verfeuerung von Holzpellets -Anforderungen und PrüfverfahrenThis European Standard was approved by CEN on 3 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 14785:2006: E

Test methods.34 A.1 Test environment.34 A.1.1 Ambient room temperature.34 A.1.2 Cross-draught.34 A.1.3 External sources.34 A.2 Test assembly.34 A.2.1 General.34 A.2.2 Trihedron.35 A.2.3 Measurement section.35 A.2.4 Connection of appliance to measurement section.36 A.2.5 Water circuit for appliances with boilers.37 A.3 Measurement equipment.37 A.4 Test procedures.38 A.4.1 Appliance installation.38 A.4.2 Calculation of fuel load.38 A.4.3 Fuelling and de-ashing the fire.38 A.4.4 Flue gas losses.38 A.4.5 Water heating output.39 A.4.6 Combustible heat losses in the residue.39 A.4.7 Performance test at nominal heat output.39 A.4.8 Reduced heat output test.41 A.4.9 Safety tests.42 A.5 Test results.44 A.6 Calculation methods.45 A.6.1 Notations and units used.45 A.6.2 Formulae.46 A.7 Test report.49 Annex B (normative)
Test fuels and recommended fuels.62 B.1 General.62 B.2 Test fuel.62 B.2.1 Selection of test fuel.62

Clauses of this European Standard addressing the provisions of the EU Construction Products Directive.66 ZA.1 Scope and relevant characteristics.66 ZA.2 Procedure for attestation of conformity of residential space heating appliances fired by wood pellets.68 ZA.2.1 System of attestation of conformity.68 ZA.2.2 EC Certificate and Declaration of conformity.69 ZA.3
CE marking and labelling.70 Bibliography.72

Part 1: Dimension, tolerances and designation (ISO 228-1:2000)

Part 2: Verification by means of limit gauges (ISO 228-2:1987) ISO 7-1:1994, Pipe threads where pressure-tight joints are made on the threads —
Part 1: Dimensions, tolerances and designation ISO 334:1992, Solid mineral fuels — Determination of total sulfur — Eschka method ISO 351:1996, Solid mineral fuels — Determination of total sulfur — High temperature combustion method ISO 501:2003, Hard coal — Determination of the crucible swelling number ISO 562:1998, Hard coal and coke — Determination of volatile matter ISO 609:1996, Solid mineral fuels — Determination of carbon and hydrogen — High temperature combustion method ISO 687:2004, Solid mineral fuels — Coke — Determination of moisture in the general analysis test sample ISO 1171:1997, Solid mineral fuels — Determination of ash ISO 1928:1995, Solid mineral fuels — Determination of gross calorific value by the bomb calorimetric method, and calculation of net calorific value ISO 2859 (all parts), Sampling procedures for inspection by attributes 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 Appliances 3.1.1 appliance with boiler heat generator consisting of a room heating component and a water heating component in one unit 3.1.2 continuous burning appliance heating appliance designed to provide a source of heat by continuous burning and meeting the requirement of the slow combustion test 3.1.3 fireplace recess space formed in a wall or chimney breast constructed from non combustible materials, into which a heating appliance may be installed and from which a chimney flue leads 3.1.4 fireplace enclosure assembly consisting of walls and ceiling of non-combustible materials which is built on site to surround a heat generator and heat exchanger and to form a space from which hot convection air is emitted into the living space e.g. by means of air grilles 3.1.5 freestanding appliance appliance designed to operate without the need to be built into a fireplace recess or fireplace enclosure and which is not connected to the building except by the flue gas connector

DD 12 1.0398
DD 13 1.0335
DD 14 1.0389
EN 10025 S235JR 1.0037
S235JRG2 1.0038
S235JO 1.0114
S235J2G3 1.0116
S275JR 1.0044
S275JO 1.0143
S275J2G3 1.0144
S355JR 1.0045
S355JO 1.0553
S355J2G3 1.0570
S355K2G3 1.0595
EN 10028-2: P235GH 1.0345
P265GH 1.0425
P295GH 1.0481
P355GH 1.0473
16Mo3 1.5415
13CrMo4-5 1.7335
10CrMo9-10 1.7380
10CrMo9-10 1.7383
EN 10120 P245NB 1.0111
P265NB 1.0423
P310NB 1.0437
P355NB 1.0557
EN 10088-2 X5CrNi18-10 1.4301
X6CrNi17-12-2 1.4401
X6CrNiTi18-10 1.4541
X6CrNiNb18-10 1.4550
X6CrNiMoTi 17-12-2 1.4571
X6CrNiMoNb17-12-2 1.4580
X3CrNiMo17-13-3 1.4436 NOTE
Materials and wall thicknesses other than those specified may only be used on production of appropriate evidence as regards at lea
...

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The standard EN 14785:2006 serves a critical role in the regulation of residential space heating appliances fueled by wood pellets, providing a comprehensive framework that enhances safety, efficiency, and environmental considerations. Its scope is distinctly defined, addressing the design, manufacture, construction, and operational requirements for wood pellet heating appliances with a nominal heat output of up to 50 kW. This makes it uniquely relevant for consumers seeking efficient and environmentally friendly heating solutions. One of the strengths of EN 14785:2006 is its robust focus on safety and performance metrics. The standard outlines specific safety requirements, including construction and design criteria, that manufacturers must adhere to, ensuring that appliances not only operate effectively but also minimize risks associated with heating solutions. Furthermore, the emphasis on performance-particularly efficiency and emissions testing-fills a crucial gap in promoting sustainable energy use in residential settings. The inclusion of test methods and test fuels within the standard is also a significant advantage. It allows for consistent evaluation of products, ensuring that appliances are tested under uniform conditions, which enhances reliability and comparability across different models. This consistency is vital for consumers and manufacturers alike, as it fosters trust in the performance capabilities claimed by manufacturers. Moreover, EN 14785:2006 explicitly states that it is not applicable to non-mechanically fed appliances, such as those burning solid mineral fuels or natural wood logs, which are covered under different standards (EN 13229 and EN 13240). This clarity ensures that users and manufacturers can navigate compliance easily, focusing on the appropriate standards for their specific appliance types without ambiguity. Additionally, the standard supports the growing trend of eco-friendly heating solutions by endorsing the use of wood pellets, a renewable energy source. As consumers increasingly seek sustainable and efficient heating options, the relevance of EN 14785:2006 in guiding the development and regulation of wood pellet appliances cannot be overstated. In conclusion, the EN 14785:2006 standard effectively aligns safety, performance, and sustainability under a unified framework, making it a pivotal reference for manufacturers, regulators, and end users within the residential heating appliance sector. Its focused scope and detailed requirements not only elevate product standards but also contribute to promoting cleaner energy solutions in residential settings.

EN 14785:2006は、木材ペレットを燃料とする住宅用暖房機器に関して必要な要件や試験方法を詳細に規定しています。この標準は、設計、製造、構造、安全性、性能(効率と排出)、取扱説明書、表示、および関連する試験方法や試験燃料に焦点を当てています。特に、名目熱出力が50 kWまでの木材ペレットを使用する機器の種類試験に特化しており、これにより市場に出回る製品の一定の品質と安全性を確保しています。 このスタンダードの強みは、燃焼エアの自然引き込みやファン補助による運転が可能なフリースタンディングまたはインセット型の暖房機器に幅広く適用される点です。加えて、ボイラーが装備されている場合は、家庭用温水や中央暖房の供給も可能です。これにより、利用者は多様なニーズに応じた暖房機器を選択できるようになります。 また、EN 14785:2006は、木材ペレット専用の使用に制限されているため、他の燃料(固体鉱物燃料や泥炭ブリケット、木製ログ)はこの基準の範囲外であり、EN 13229およびEN 13240にて規定されていることも重要なポイントです。これにより、消費者や製造業者は、特定の用途に対して適切なスタンダードを参照できるため、混乱を避けることができます。 全体として、EN 14785:2006は、木材ペレットを燃料とする住宅用暖房機器の安全性と性能を確保するための重要な基準であると同時に、業界における品質向上とユーザーの信頼性向上に寄与するものです。

La norme EN 14785:2006 est un standard européen essentiel qui établit des exigences précises concernant la conception, la fabrication, et la performance des appareils de chauffage à bois granulés résidentiels. Ce document couvre un large éventail de critères, y compris la sécurité, l'efficacité et les émissions, des éléments cruciaux pour garantir un fonctionnement sûr et écologique des appareils utilisés dans les foyers. L'une des forces majeures de cette norme réside dans son approche détaillée des méthodes d'essai et des exigences spécifiques pour les appareils de chauffage à bois granulés, qui peuvent avoir une puissance nominale allant jusqu'à 50 kW. Cette spécification permet une évaluation rigoureuse de la performance des appareils, contribuant ainsi à la sécurité des utilisateurs tout en minimisant l'impact environnemental. La norme est particulièrement pertinente aujourd'hui, dans un contexte où le chauffage au bois est de plus en plus préféré comme une alternative renouvelable. En fournissant des lignes directrices claires, elle garantit que les appareils fonctionnent efficacement tout en respectant les normes d'émission. De plus, elle inclut des spécifications pour des dispositifs à chargement automatique ainsi que des appareils pouvant fonctionner avec une combustion assistée par ventilateur ou par tirage naturel, ce qui en fait un standard adaptable à divers besoins résidentiels. Un autre aspect significatif est la clarification qu'elle offre en excluant les appareils à combustion non mécanique utilisant des combustibles solides minéraux et des bûches, lesquels sont traités sous d'autres normes (EN 13229 et EN 13240). Cette délimitation assure une concentration sur les spécificités des chaudières à pellets, facilitant ainsi la conformité pour les fabricants et les utilisateurs. En somme, la norme SIST EN 14785:2006 est un document fondamental pour toute entreprise ou individu impliqué dans la fabrication ou l'utilisation d'appareils de chauffage à bois granulés, reflétant l'engagement de l'Europe en matière de sécurité, d'efficacité et de durabilité.

Die Norm EN 14785:2006 legt umfassende Anforderungen an die Konstruktion und den Betrieb von Wohnraumheizgeräten fest, die mit Holzpellets betrieben werden. Der Anwendungsbereich dieser Europäischen Norm ist klar definiert und umfasst Heizgeräte mit einer nominalen Wärmeleistung von bis zu 50 kW, die sowohl freistehend als auch eingebaut sein können. Ein wesentliches Merkmal der Norm ist die Ausrichtung auf Sicherheit, Effizienz und Emissionsverhalten der Geräte, was sie besonders relevant für umweltbewusste Verbraucher und Hersteller macht. Zu den Stärken der Norm gehört die detaillierte Beschreibung von Anforderungen an Design und Herstellung, die sicherstellen, dass die Heizgeräte nicht nur funktional, sondern auch für den Endverbraucher sicher sind. Zudem behandelt die Norm spezifische Testmethoden sowie geeignete Testbrennstoffe, was die Validierung der Geräteleistung erleichtert. Die Norm unterstützt damit sowohl Hersteller bei der Produktentwicklung als auch Verbraucher bei der sicheren Nutzung von Holzpelletheizern. Ein weiterer wichtiger Aspekt ist die Flexibilität, die die Norm in Bezug auf die Betriebsarten der Geräte bietet. Ob durch natürliche Zugluft oder gebläseunterstützte Luftzufuhr betrieben, die Norm berücksichtigt verschiedene Einsatzmöglichkeiten, die sich an den Bedürfnissen der Nutzer orientieren. Die Möglichkeit, dass die Geräte nicht nur Wärme erzeugen, sondern auch für die Warmwasserbereitung und zentrale Heizungen genutzt werden können, erhöht ihre Anwendbarkeit. Die Norm schließt jedoch bestimmte Gerätearten aus, wie nicht mechanisch befeuerte Heizgeräte, die Mineralstoffe oder andere Brennstoffe verbrannt werden. Diese klare Abgrenzung ermöglicht es, spezifische Standards für andere Heizlösungen, wie durch die Normen EN 13229 und EN 13240, zu erarbeiten. Somit bleibt die EN 14785:2006 fokussiert auf die Technologien und Anwendungsfälle, die für Holzpelletheizungen relevant sind. Insgesamt betrachtet, bietet die EN 14785:2006 eine wesentliche Grundlage für die Entwicklung und den Einsatz sicherer, effizienter und umweltfreundlicher Holzpelletheizgeräte. Die Norm ist unumgänglich für Hersteller, die in diesem wachstumsstarken Markt tätig sein möchten, und für Verbraucher, die Wert auf sichere und nachhaltige Heizlösungen legen.

이 표준 문서 SIST EN 14785:2006은 나무 펠릿을 연료로 사용하는 주거 공간 난방 기기의 설계, 제조, 구조, 안전성 및 성능(효율성 및 배출 가스)에 대한 요구 사항과 시험 방법을 명시하고 있습니다. 이 표준의 범위는 나무 펠릿에 의해 작동되는 주택용 난방 기기의 종합적인 테스트를 위한 지침을 제공합니다. 이 표준은 최대 50 kW의 정격 열 출력을 가지며, 독립형 또는 설치형 제품 모두를 포함합니다. SIST EN 14785:2006의 강점은 명확한 안전 요구사항을 설정하고, 해당 제품의 성능을 공인된 시험 방법을 통해 확인할 수 있도록 한다는 점입니다. 이는 소비자가 안전하고 효율적인 난방 기기를 선택하는 데 도움을 주며, 제조업체에게 필요한 지침과 마크 부여 기준을 제공하여 제품의 표준화 및 품질 향상을 촉진합니다. 나무 펠릿 난방 기기는 자연 통풍 또는 팬 보조 연소 공기로 구동될 수 있으며, 보일러가 장착된 경우 가정용 온수 및 중앙 난방 기능도 제공할 수 있습니다. 이러한 기기는 제작사의 지침에 따라 오직 나무 펠릿만을 사용하며, 화재문이 닫힌 상태에서 작동해야 하는 규정을 준수합니다. 이는 사용자의 안전을 보장하며, 연료의 효율적인 사용을 촉진합니다. 또한, SIST EN 14785:2006은 비기계적으로 공급되는 고형 광물 연료, 토탄 브리켓 및 자연 또는 제조된 나무 장작을 연료로 사용하는 기기는 포함하지 않으며, 이러한 기기는 EN 13229 및 EN 13240의 적용을 받습니다. 이는 각기 다른 연료 유형에 대한 명확한 표준을 제시하여, 다양한 난방 솔루션간의 혼동을 덜어줍니다. 결론적으로, SIST EN 14785:2006 표준은 나무 펠릿 연료를 사용한 주거 공간 난방 기기의 안전성, 효율성 및 성능을 보장하는 데 중요한 역할을 하며, 제조업체와 소비자 모두에게 유용한 지침을 제공합니다.