EN 303-3:1998
(Main)Heating boilers - Part 3: Gas-fired central heating boilers - Assembly comprising a boiler body and a forced draught burner
Heating boilers - Part 3: Gas-fired central heating boilers - Assembly comprising a boiler body and a forced draught burner
This European Standard specifies the requirements and test methods for the construction, the safety and the rational energy usage of an assembly made up of a boiler body complying with EN 303- 11) and a forced draught gas burner complying with EN 676, using combustible gases, hereafter referred to as a "boiler". This European Standard applies to a boiler: - with a nominal output not exceeding 1 000 kW. This European Standard does not contain all the necessary requirements for: - assemblies designed as units; - condensing boilers and low temperature boilers; - boilers intended to be installed in the open; - boilers permanently fitted with more than one flue outlet; - boilers fitted with a draught diverter; - boilers intended to be connected to a common flue having mechanical extraction. This European Standard does not apply to living-space dedicated boilers If the boiler body has already been tested with a liquid fuel burner, in accordance with EN 303-1, EN 303-2 and EN 304, only the tests described in annex G need to be performed. In the case of a range of boilers, see annex F. This European Standard does not contain all the necessary requirements for low temperature boilers. Nevertheless, the testing methods defined by this European Standard for the determination of useful efficiencies can be used for low temperature boilers, after being adapted in accordance with annex H. This European Standard only covers type testing.
Heizkessel - Teil 3: Zentralheizkessel für gasförmige Brennstoffe - Zusammenbau aus Kessel und Gebläsebrenner
Diese Europäische Norm legt die Anforderungen und Prüfungen für die Sicherheit, die Gebrauchsgüte und den sparsamen Energieeinsatz von Zusammenbauten, bestehend aus einem Kesselkörper gemäß den Anforderungen von prEN 303-1 und einem Gasgebläsebrenner gemäß EN 676 - nachfolgend als Kessel bezeichnet - fest.
Chaudières de chauffage - Partie 3: Chaudières de chauffage central utilisant les combustibles gazeux - Assemblage d'un corps de chaudière et d'un brûleur à air soufflé
La présente norme européenne spécifie les exigences et les méthodes d'essais relatives à la construction, la sécurité et l'utilisation rationnelle de l'énergie d'un assemblage constitué d'un corps de chaudière conforme au projet de norme prEN 303-1 et d'un brûleur à air soufflé conforme à l'EN 676 utilisant les combustibles gazeux, appelé ci-après "chaudière".
Kotli za ogrevanje - 3. del: Plinski kotli za centralno ogrevanje – Sestava kotla in ventilatorskega gorilnika
General Information
Relations
Overview
EN 303-3:1998 - Heating boilers - Part 3: Gas-fired central heating boilers - specifies requirements and test methods for an assembly consisting of a boiler body and a forced draught gas burner. The standard covers construction, safety and rational energy usage for boiler assemblies using combustible gases with a nominal output not exceeding 1 000 kW. EN 303-3:1998 is a type testing standard intended to support manufacturers, test laboratories and conformity assessors in demonstrating compliance.
Key topics and requirements
- Scope and applicability
- Applies to assemblies made of a boiler body (tested to relevant EN 303 parts) and a forced draught burner complying with EN 676.
- Limits: nominal outputs ≤ 1 000 kW; type testing only.
- Main technical areas covered
- Construction requirements for the boiler and burner assembly to ensure safe operation.
- Safety provisions addressing combustion system integrity and protective measures.
- Rational energy usage: test methods for determining useful efficiency and energy performance.
- Exclusions and special cases
- Not intended for: assemblies designed as integrated units, condensing or low temperature boilers (though useful-efficiency test methods can be adapted - see annex H), boilers installed outdoors, boilers with multiple permanent flue outlets, boilers fitted with draught diverters, boilers connected to a common mechanically-extracted flue, or boilers dedicated to living spaces.
- If a boiler body has been previously tested with a liquid fuel burner per EN 303-1 / EN 303-2 / EN 304, only the tests in Annex G are required. For boiler ranges see Annex F.
Applications and users
Who uses EN 303-3:1998:
- Boiler manufacturers integrating forced-draught gas burners into boiler bodies for central heating systems.
- Test laboratories and notified bodies performing type testing and efficiency measurements.
- Design and R&D engineers developing gas-fired central heating boilers to meet European safety and efficiency expectations.
- Regulatory and procurement teams specifying compliance requirements for commercial and industrial heating installations. Practical uses:
- Demonstrating safety and performance for market entry.
- Establishing test programs for product development and quality assurance.
- Comparing energy efficiency across boiler assemblies (using adapted methods for low temperature models).
Related standards
- EN 676 - forced draught gas burners (referenced for burner requirements)
- EN 303-1, EN 303-2, EN 304 - related boiler body and fuel testing standards (referenced for prior testing cases)
- Annexes F, G, H - provide guidance on ranges, reduced testing after prior liquid-fuel tests, and adapting efficiency methods for low-temperature boilers.
Keywords: EN 303-3:1998, gas-fired central heating boilers, forced draught burner, boiler assembly, type testing, EN 676, boiler safety, energy efficiency.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Kotli za ogrevanje - 3. del: Plinski kotli za centralno ogrevanje – Sestava kotla in ventilatorskega gorilnikaHeizkessel - Teil 3: Zentralheizkessel für gasförmige Brennstoffe - Zusammenbau aus Kessel und GebläsebrennerChaudieres de chauffage - Partie 3: Chaudieres de chauffage central utilisant les combustibles gazeux - Assemblage d'un corps de chaudiere et d'un bruleur a air souffléHeating boilers - Part 3: Gas-fired central heating boilers - Assembly comprising a boiler body and a forced draught burner97.100.20Plinski grelnikiGas heaters91.140.10Sistemi centralnega ogrevanjaCentral heating systemsICS:Ta slovenski standard je istoveten z:EN 303-3:1998SIST EN 303-3:1999en01-december-1999SIST EN 303-3:1999SLOVENSKI
STANDARD
SIST EN 303-3:1
...
Frequently Asked Questions
EN 303-3:1998 is a standard published by the European Committee for Standardization (CEN). Its full title is "Heating boilers - Part 3: Gas-fired central heating boilers - Assembly comprising a boiler body and a forced draught burner". This standard covers: This European Standard specifies the requirements and test methods for the construction, the safety and the rational energy usage of an assembly made up of a boiler body complying with EN 303- 11) and a forced draught gas burner complying with EN 676, using combustible gases, hereafter referred to as a "boiler". This European Standard applies to a boiler: - with a nominal output not exceeding 1 000 kW. This European Standard does not contain all the necessary requirements for: - assemblies designed as units; - condensing boilers and low temperature boilers; - boilers intended to be installed in the open; - boilers permanently fitted with more than one flue outlet; - boilers fitted with a draught diverter; - boilers intended to be connected to a common flue having mechanical extraction. This European Standard does not apply to living-space dedicated boilers If the boiler body has already been tested with a liquid fuel burner, in accordance with EN 303-1, EN 303-2 and EN 304, only the tests described in annex G need to be performed. In the case of a range of boilers, see annex F. This European Standard does not contain all the necessary requirements for low temperature boilers. Nevertheless, the testing methods defined by this European Standard for the determination of useful efficiencies can be used for low temperature boilers, after being adapted in accordance with annex H. This European Standard only covers type testing.
This European Standard specifies the requirements and test methods for the construction, the safety and the rational energy usage of an assembly made up of a boiler body complying with EN 303- 11) and a forced draught gas burner complying with EN 676, using combustible gases, hereafter referred to as a "boiler". This European Standard applies to a boiler: - with a nominal output not exceeding 1 000 kW. This European Standard does not contain all the necessary requirements for: - assemblies designed as units; - condensing boilers and low temperature boilers; - boilers intended to be installed in the open; - boilers permanently fitted with more than one flue outlet; - boilers fitted with a draught diverter; - boilers intended to be connected to a common flue having mechanical extraction. This European Standard does not apply to living-space dedicated boilers If the boiler body has already been tested with a liquid fuel burner, in accordance with EN 303-1, EN 303-2 and EN 304, only the tests described in annex G need to be performed. In the case of a range of boilers, see annex F. This European Standard does not contain all the necessary requirements for low temperature boilers. Nevertheless, the testing methods defined by this European Standard for the determination of useful efficiencies can be used for low temperature boilers, after being adapted in accordance with annex H. This European Standard only covers type testing.
EN 303-3:1998 is classified under the following ICS (International Classification for Standards) categories: 91.140.10 - Central heating systems. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 303-3:1998 has the following relationships with other standards: It is inter standard links to EN 303-3:1998/A2:2004, EN 303-3:1998/AC:2006. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 303-3:1998 is associated with the following European legislation: EU Directives/Regulations: 2009/142/EC, 90/396/EEC, 92/42/EEC; Standardization Mandates: M/066, M/BC/CEN/89/6. 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 303-3:1998 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.
The article discusses the requirements and test methods for gas-fired central heating boilers. It specifies the construction, safety, and energy usage of a boiler assembly consisting of a boiler body and a forced draught gas burner. The standard applies to boilers with a nominal output of up to 1,000 kW and does not include requirements for condensing boilers, boilers installed in the open, or boilers with multiple flue outlets or mechanical extraction. The article also mentions that the standard does not apply to living-space dedicated boilers, and if the boiler body has already been tested with a liquid fuel burner, only specific tests need to be performed. Additionally, it states that the standard does not include all necessary requirements for low temperature boilers, but the testing methods defined in the standard can be adapted for use with low temperature boilers. Finally, it clarifies that the standard only covers type testing.
記事のタイトル： EN 303-3:1998 - 加熱ボイラー - 第3部：ガス式中央暖房ボイラー - ボイラー本体と強制送風バーナーから成るアセンブリ 記事の内容：このヨーロッパ規格は、EN 303-11に適合するボイラー本体とEN 676に適合する可燃性ガスを使用する強制送風ガスバーナーから成るアセンブリの構造、安全性、合理的なエネルギー利用の要件と試験方法を規定しています。このヨーロッパ規格は、次の種類のボイラーに適用されます。- 1,000 kWを超えない名目出力のボイラー。このヨーロッパ規格には、次の各種ボイラーに必要な要件が全て含まれていません。- ユニットとして設計されたアセンブリ。- 冷凍ボイラーや低温ボイラー。- 屋外に設置するために意図されたボイラー。- 複数の排気口を装備したボイラー。- 排気ダイバーターを備えたボイラー。- 機械的な排気を持つ共通排気に接続されるボイラー。このヨーロッパ規格は、住居専用のボイラーには適用されません。もしボイラー本体がすでにEN 303-1、EN 303-2、およびEN 304に従って液体燃料バーナーとともにテストされている場合、G付録で説明されるテストのみ実施すればよいです。複数のボイラーの場合は、F付録を参照してください。このヨーロッパ規格には低温ボイラーに必要なすべての要件が含まれていません。ただし、H付録に従って適応させた上で、低温ボイラーの有用性評価のためにこのヨーロッパ規格で定義された試験方法が使用できます。このヨーロッパ規格は、タイプ試験にのみ適用されますので、ご注意ください。
記事のタイトル：EN 303-3:1998 - 暖房ボイラー - 第3部：ガス中央暖房ボイラー - ボイラー本体と強制通風バーナーからなる組立体 記事の内容：この欧州規格は、EN 303-11に準拠するボイラー本体とEN 676に準拠するガス強制通風バーナーからなる「ボイラー」の構造、安全性、合理的なエネルギー使用に関する要求事項と試験方法を規定しています。この欧州規格は、以下のようなボイラーに適用されます：- 名目出力が1,000 kW以下のボイラー。この欧州規格には、以下に関する必要な要件がすべて含まれていません：- ユニットとして設計された組立体；- 凝縮ボイラーおよび低温ボイラー；- 屋外に設置されるボイラー；- 複数の排気口が常設されたボイラー；- 通風抵抗器が備えられたボイラー；- 機械的排気を持つ共通排気に接続するために設計されたボイラー。この欧州規格は居住スペース専用のボイラーには適用されません。ボイラー本体が既にEN 303-1、EN 303-2、およびEN 304により液体燃料バーナーでテストされた場合、付録Gで説明されているテストのみを実施する必要があります。複数のボイラーを対象とする場合は、付録Fを参照してください。この欧州規格には、低温ボイラーに対するすべての必要な要件が含まれていません。ただし、この欧州規格で定義された有用効率の測定方法は、付録Hの修正を経て低温ボイラーに使用することができます。最後に、この欧州規格はタイプ試験のみを対象としています。
기사 제목: EN 303-3:1998 - 난방 보일러 - 제 3부: 가스 중앙 난방 보일러 - 보일러 본체와 강제 통기 버너로 구성된 어셈블리 기사 내용: 이 유럽 표준은 EN 303-11에 준수하는 보일러 본체와 EN 676에 준하는 가연성 가스를 사용하는 강제 통기 가스 버너로 구성된 어셈블리의 건축, 안전성 및 합리적인 에너지 사용에 대한 요구 사항과 시험 방법을 규정한다. 이 유럽 표준은 다음과 같은 보일러에 적용된다. - 명의 출력이 1,000 kW를 초과하지 않는 보일러. 이 유럽 표준은 다음과 같은 모든 필수 요구 사항을 포함하지 않는다. - 유닛으로 설계된 어셈블리. - 응축 보일러 및 저온 보일러. - 개방형으로 설치할 목적으로 하는 보일러. - 여러 배기구가 구비된 보일러. - 배기로 차단기가 장착된 보일러. - 기계적 배출을 갖는 공통 배기에 연결되기 위해 설계된 보일러. 이 유럽 표준은 주거 공간 전용 보일러에는 적용되지 않는다. 만약 보일러 본체가 이미 EN 303-1, EN 303-2 및 EN 304에 따라 액체 연료 버너와 테스트되었다면, G 부록에서 기술되는 시험만 수행하면 된다. 다중 보일러의 경우 F 부록을 참조한다. 이 유럽 표준은 저온 보일러에 필요한 모든 필수 요구 사항을 포함하지 않는다. 그러나 저온 보일러의 유용한 효율을 결정하기 위한 이 유럽 표준에서 정의된 시험 방법은 H 부록에 따라 적용할 수 있다. 이 유럽 표준은 유형 시험만을 다룬다는 점을 유의해야 한다.
The article discusses the European Standard EN 303-3:1998, which specifies the requirements and test methods for gas-fired central heating boilers. The standard applies to boilers with a nominal output not exceeding 1,000 kW. It does not apply to certain types of boilers, such as condensing boilers, low temperature boilers, and boilers intended for installation in the open. The standard does not cover living-space dedicated boilers. If the boiler body has already been tested with a liquid fuel burner, only certain tests need to be performed. The standard also provides testing methods for determining useful efficiencies of low temperature boilers. However, it should be noted that this standard only covers type testing.
기사 제목: EN 303-3:1998 - 난방 보일러 - 제3부: 가스 중앙 난방 보일러 - 보일러 본체와 강제 유동 버너 조립물 기사 내용: 이 유럽 표준은 EN 303-11을 준수하는 보일러 본체 및 EN 676을 준수하는 가스 강제 유동 버너로 구성된 조립물인 "보일러"의 구조, 안전 및 합리적인 에너지 사용에 대한 요구 사항과 시험 방법을 규정합니다. 이 유럽 표준은 다음과 같은 보일러에 적용됩니다: - 명목 출력이 1,000 kW 이하인 보일러. 이 유럽 표준에는 다음에 대한 모든 필요한 요구 사항이 포함되어 있지 않습니다: - 유닛으로 설계된 조립물; - 응축 보일러 및 저온 보일러; - 개방형으로 설치되도록 설계된 보일러; - 두 개 이상의 배기구가 영구적으로 설치된 보일러; - 배기구 방향 목각기가 장착된 보일러; - 기계적 배출이 있는 공통 배기에 연결될 목적으로 설계된 보일러. 이 유럽 표준은 주거 공간에 전용된 보일러에는 적용되지 않습니다. 보일러 본체가 이미 EN 303-1, EN 303-2 및 EN 304에 따라 액체 연료 버너로 테스트 된 경우, 첨부 G에서 설명하는 테스트만 수행하면 됩니다. 여러 보일러를 대상으로 하는 경우, 첨부 F를 참조하십시오. 이 유럽 표준에는 저온 보일러에 필요한 모든 요구 사항이 포함되어 있지 않습니다. 그러나 이 유럽 표준에서 유용한 효율 검정을 위한 시험방법을 정의하면, 첨부 H에 따라 수정하여 저온 보일러에 사용할 수 있습니다. 마지막으로, 이 유럽 표준은 유형 시험에만 해당된다고 명시합니다.
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.
Loading comments...