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SIST EN 303-2:1999

(Main)

Heating boilers - Part 2: Heating boilers with forced draught burners - Special requirements for boilers with atomizing oil burners

Heating boilers - Part 2: Heating boilers with forced draught burners - Special requirements for boilers with atomizing oil burners

This standard is applicable to heating boilers in accordance with prEN 303-1 up to a nominal heat output of 1000 kW and prEN 303-4 up to a nominal heat output of 70 kW with atomizing oil burners in accordance with EN 267 which are designed for operating with liquid fuels.  The requirements of this standard apply to type testing to heating boilers which are tested on a test rig in accordance with the test code given in EN 304.  This standard specifies the necessary heating technical requirements for heating boilers with liquid fuels.  NOTE: This Standard can also be used as the basis for evaluation of package boiler/burner units.

Heizkessel - Teil 2: Heizkessel mit Gebläsebrenner - Spezielle Anforderungen an Heizkessel mit Ölzerstäubungsbrennern

Diese Norm gilt für Heizkessel nach prEN 303-1 bis zu einer Nenn-Wärmeleistung von 1000 kW und prEN 303-4 bis zu einer Nenn-Wärmeleistung von 70 kW mit Ölzerstäubungsbrennern nach EN 267, die für die Verfeuerung von flüssigen Brennsstoffen bestimmt sind. Die Festlegungen dieser Norm gelten für die Tupprüfung von Heizkesseln, die auf einem anerkannten Kesselprüfstand nach de  Prüfregeln von EN 304 zu prüfen sind. Diese Norm legt die für Heizkessel für flüssige Brennstoffe notwendigen heiztechnischen Anforderungen fest.

Chaudieres de chauffage - Partie 2: Chaudieres avec bruleurs a air soufflé - Prescriptions spéciales pour chaudieres avec bruleurs a fioul a pulvérisation

La présente norme est applicable aux chaudieres conformes a prEN 303-1 jusqu'a une puissance nominale de 1000 kW et prEN 303-4 jusqu'a une puissance nominale de 70 kW avec bruleurs fioul a pulvérisation conformes a EN 267 conçues pour fonctionner avec des combustibles liquides. Les prescriptions de cette norme s'appliquent a des essais de type de chaudieres testées sur un banc d'essais conformément aux regles d'essais de la norme EN 304. La présente norme prescrit pour les chaudieres pour combustibles liquides les exigences thermiques nécessaires.

Kotli za gretje - 2. del: Kotli z ventilatorskimi gorilniki - Posebne zahteve za kotle z razprševalnimi oljnimi gorilniki

General Information

Status
Withdrawn
Publication Date
30-Nov-1999
Withdrawal Date
12-Nov-2017
ICS
91.140.10 - Central heating systems
Technical Committee
PLN - Gas appliances for domestic use
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
07-Nov-2017
Due Date
30-Nov-2017
Completion Date
13-Nov-2017
Directive
92/42/EEC - Efficiency requirements for new hot-water boilers fired with liquid or gaseous fuels
TRRTP129 - Tehnična smernica TSG-12640-001:2008 Zdravstveni objekti
Mandate
M/066 - Standardization mandate to CEN concerning Efficiency requirements for boilers
Ref Project
EN 303-2:1998 - Heating boilers - Part 2: Heating boilers with forced draught burners - Special requirements for boilers with atomizing oil burners

Relations

Amended By
SIST EN 303-2:1999/A1:2004 - Heating boilers - Part 2: Heating boilers with forced draught burners - Special requirements for boilers with atomizing oil burners
Effective Date
01-Jan-2004
Replaced By
SIST EN 303-2:2017 - Heating boilers - Part 2: Heating boilers with forced draught burners - Special requirements for boilers with atomizing oil burners
Effective Date
01-Dec-2017
Amended By
SIST EN 303-2:1999/A1:2004 - Heating boilers - Part 2: Heating boilers with forced draught burners - Special requirements for boilers with atomizing oil burners
Effective Date
08-Jun-2022
Replaces
SIST EN 303-2:1997 - Heating boilers - Heating boilers with forced draught burners - Part 2: Special requirements for boilers with atomizing oil burners
Effective Date
01-Dec-1999

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Kotli za gretje - 2. del: Kotli z ventilatorskimi gorilniki - Posebne zahteve za kotle z razprševalnimi oljnimi gorilnikiHeizkessel - Teil 2: Heizkessel mit Gebläsebrenner - Spezielle Anforderungen an Heizkessel mit ÖlzerstäubungsbrennernChaudieres de chauffage - Partie 2: Chaudieres avec bruleurs a air soufflé - Prescriptions spéciales pour chaudieres avec bruleurs a fioul a pulvérisationHeating boilers - Part 2: Heating boilers with forced
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This European Standard specifies the common requirements and test methods, as well as the classification, marking and energy labelling of gas-fired central heating boilers that are fitted with atmospheric burners, fan assisted atmospheric burners or fully premixed burners, and are hereafter referred to as “boilers”.
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a) that use one or more combustible gases of the three gas families at the pressures stated in EN 437;
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c) where the maximum operating pressure in the water circuit does not exceed 6 bar;
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f) which are intended to be installed inside a building or in a partially protected place;
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SIST EN 303-5:2021+A1:2023(Main)
Heating boilers - Part 5: Heating boilers for solid fuels, manually and automatically stoked, nominal heat output of up to 500 kW - Terminology, requirements, testing and marking
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1.1 General
This European Standard applies to heating boilers including safety devices up to a nominal heat output of 500 kW which are designed for the burning of solid fuels only and are operated according to the instructions of the boiler manufacturer.
This European Standard deals with significant hazards, hazardous situations and events relevant to heating boilers used as intended and under the conditions foreseen by the manufacturer (see Clause 4).
The boilers may operate under natural draught or forced draught. The stoking may work manually or automatically.
The boilers may operate under room sealed conditions in case of supervised under pressure in the combustion chamber.
The boilers may operate in condensing condition.
NOTE This European Standard deals with boilers which are both within and outside of the scope of the Machinery
Directive 2006/42/EC.
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This European Standard does not apply to:
heating boilers and other heating appliances which are also designed for the direct heating of the place of installation;
cooking appliances;
the design and construction of external fuel storage and transportation devices prior to the safety devices of the boiler;
room sealed applications above a nominal heat output > 70 kW or operated with positive pressure in the combustion chamber or operated under natural draught;
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This European Standard is not applicable to heating boilers which are tested before the date of its publication as an EN (European Standard).
1.2 Fuels
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1.2.1 Biogenic fuels
Biomass in a natural state, in the form of:
Adaptation to new fuels standards and consideration of new fuels standards in preparation.
A log wood with moisture content w ≤ 25 %, according to EN 14961-5;
B1 chipped wood (wood chipped by machine, usually up to a maximum length of 15 cm) with moisture content from w 15 % to w 35 %, according to EN 14961-4;
B2 chipped wood as under B1, except with moisture content w > 35 %;
C1 compressed wood (e.g. pellets without additives, made of wood and/or bark particles; natural binding agents such as molasses, vegetable paraffins and starch are permitted), pellets according to EN 14961-2;
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SIST EN 15502-2-1:2022(Main)
Gas-fired central heating boilers - Part 2-1: Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1 000 kW
EN 15502-2-1:2022

This European Standard specifies, the requirements and test methods concerning, as well as the classification and marking of gas-fired central heating boilers that are fitted with atmospheric burners, fan assisted atmospheric burners or fully premixed burners, and are hereafter referred to as “boilers”.
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b)   that use one or more combustible gases of the three gas families at the pressures stated in EN 437:2018;
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d)   where the maximum operating pressure in the water circuit does not exceed 6 bar;
e)   which can give rise to condensation under certain circumstances;
f)   which are declared in the instructions for installation to be either a “condensing” boiler or a "low temperature boiler" or a “standard boiler”; if no declaration is given the boiler is to be considered a “standard boiler”;
g)   which are intended to be installed inside a building or in a partially protected place;
h)   which are intended to produce also hot water either by the instantaneous or storage principle as a single unit.;
i)   which are designed for either sealed water systems or for open water systems;
j)   which are either modular boilers, or non modular boilers.
k) which are from the types C(10) that are equipped with a gas-air ratio control and that have a ∆pmax, saf(min) of 25 Pa, and C(11) that have condensing boiler modules that are equipped with a gas-air ratio control and that have a ∆pmax, saf(min) of 25 Pa."
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An example of an assessment methodology, based upon risk assessment, is given in Clause 11.
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aa)   Appliances above 1000 kW
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ac)   Appliances using flue dampers;
ad)   Appliances of the types B21, B31, B51, C21, C41, C51, C61, C71, C81 ,C(12) and C(13);"
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ag)   C(10) boilers:
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2)    which are non-condensing appliances, or
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aj)   surface temperatures of external parts particular to children and elderly people
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al)    appliances equipped with an adaptive combustion control function (ACCF).
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f) which are intended to be installed inside a building or in a partially protected place;
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An example of an assessment methodology, based upon risk assessment, is given in Clause 11.
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Heating boilers - Part 2: Heating boilers with forced draught burners - Special requirements for boilers with atomizing oil burners
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This standard is applicable to heating boilers in accordance with EN 303-1 up to a nominal heat output of 1 000 kW and EN 303-4 up to a nominal heat output of 70 kW with atomizing oil burners  in accordance with EN 267 which are designed for operating with liquid fuels.
This European Standard applies to low temperature boilers in accordance with EN 303 1/A1 and specifies the heating related requirements necessary for liquid fuels for low temperature boilers and the required additional duration test for oil fired low temperature boilers.
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SIST EN 303-1:2017(Main)
Heating boilers - Part 1: Heating boilers with forced draught burners - Terminology, general requirements, testing and marking
EN 303-1:2017

This European Standard applies to standard boilers and low temperature boilers with forced draught burners with a nominal heat output not exceeding 1 000 kW, which are operated either with negative pressure (natural draught boilers) or with positive pressure (pressurised boiler) in the combustion chamber, in accordance with the boiler manufacturer’s instruction.
This standard specifies the necessary terminology, the requirements on the materials and testing of them, and marking requirements for heating boilers.
Particular requirements for boilers which can be used with open vented systems are contained in EN 303 4.
The requirements of this standard apply to heating boilers which are tested on an authorised test rig.
Boilers in accordance with this standard are designed for the heating of central heating installations in which the heat carrier is water, and the maximum allowable operating temperature of which is restricted to 100 °C. The maximum allowable operating pressure is 8 bar.
For boilers with a built in or attached water heater (storage or continuous flow heater) this standard only applies to the parts of the water heater which are necessarily subject to the operating conditions of the heating boiler (heating part).
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SIST EN 15502-2-2:2014(Main)
Gas-fired central heating boilers - Part 2-2: Specific standard for type B1 appliances of a nominal heat input not exceeding 70 kW
EN 15502-2-2:2014

EN 15502-2-2 specifies, the requirements and test methods concerning, in particular the construction, safety, fitness for purpose, and rational use of energy, as well as the classification and marking of gas-fired central heating boilers that are fitted with atmospheric burners, fan assisted atmospheric burners and are hereafter referred to as “boilers”. Where the word boiler is used, this is to be read as the boiler including its connecting ducts, ducts and terminals, if any. This European Standard covers gas-fired central heating boilers type B11, B11BS, B12, B12BS, B13, B13BS according to the classification in CEN/TR 1749:2009: a) that have a nominal heat input (on the basis of net calorific value) not exceeding 70 kW; b) that use one or more combustible gases of the three gas families at the pressures stated in EN 437; c) where the temperature of the heat transfer fluid does not exceed 105 °C during normal operation; d) where the maximum operating pressure in the water circuit does not exceed 6 bar; e) which are declared in the technical instructions to be either a “low temperature boiler” or a “standard boiler”. If no declaration is given the boiler is to be considered a “standard boiler”; f) which are intended to be installed either indoors or in a partially protected place; g) which are either not intended to produce hot water, or are intended to produce hot water either by the instantaneous or storage principle, the whole being marketed as a single unit. h) which are designed for either sealed water systems or for open water systems. This European Standard is to be used in conjunction with the General Requirements Standard EN 15502-1. For applications within the scope of the PED further requirements may be necessary (e.g. situations where the maximum allowable temperature exceeds 110 °C, or where volume times maximum allowable pressure is over 50 bar x litres). This standard provides requirements for boilers with known constructions. For boilers with any alternative constructions, which might not fully be covered by this standard, the risk associated with this alternative construction shall be assessed. An example of an assessment methodology, based upon risk assessment and which covers the essential requirements of the Gas Appliance Directive, is given in Clause 11. This standard does not cover all the requirements for: i) appliances that are intended to be connected to gas grids where the quality of the distributed gas is likely to vary to a large extent over the lifetime of the appliance (see Annex DD of EN 15502-2-1:2012); j) appliances using flue dampers; k) appliances that have a nominal heat input (on the basis of net calorific value) exceeding 70 kW; l) appliances of the types A, B14, B2, B3, B4, B5 and C; m) appliances intended to be connected to a (common) flue having mechanical extraction; n) appliances with gas/air ratio control; o) modular boilers; p) boilers which can give rise to condensation under certain circumstances; q) boilers intended to be installed in a room with a foreseeable negative pressure relative to the pressure in the flue system.

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SIST EN 14394:2006+A1:2008(Main)
Heating boilers - Heating boilers with forced draught burners - Nominal heat output not exceeding 10 MW and maximum operating temperature of 110 °C
EN 14394:2005+A1:2008

This European Standard specifies the requirements and test methods for the design, manufacturing, safe operation and the rational energy usage for standard boilers and low temperature boilers (with "boiler" in the sense of "boiler body") from steel and cast iron to be equipped with separately marketed forced draught burners according to the relevant burner standards (for automatic forced draught burners for gaseous fuels see EN 676 and for atomising oil burners see EN 267) up to a nominal heat output of 10 MW. They are operated, either with negative pressure (natural draught boiler) or with positive pressure (pressurised boiler) in the combustion chamber, in accordance with the boiler manufacturer's instructions."
This European Standard specifies requirements for boilers with normal operating temperatures between 100 °C and 110 °C and has a "dual structure":
-   For boilers where the shut off temperature of the safety temperature limiter does not exceed 110 °C the Pressure Equipment Directive (PED) requires" Sound Engineering Practice",
-   For boilers where the shut off temperature of the safety temperature limiter exceeds 110 °C this European Standard specifies the requirements of the PED as stated in Annex ZB.
NOTE 1   The "maximum allowable temperature TS" is defined in the PED and its Guidelines."
Boilers in accordance with this European Standard are designed for the heating of central heating installations in which the heat carrier is water, and the maximum allowable operating temperature of which is up to 110 C and the maximum safety temperature limiter of 120 C. The maximum allowable operating pressure is 10 bar.
This standard does not apply to gas boilers with atmospheric burners, boilers for solid fuels, oil or gas fired condensation boilers, boilers with oil vaporisation burners. For these boilers there are further requirements.
For gas-fired central heating boilers equipped with a forced draught burner of nominal heat out put not exceeding 1000 kW,see !EN 303-7".
For shell boilers with a nominal heat output exceeding 10 MW and a maximum safety temperature limiter exceeding 120 °C, see EN 12953 series.
NOTE 2 Definitions for standard boiler and low temperature boiler see Council Directive 92/42/EEC."

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SIST
SIST EN 15456:2008
Heating boilers - Electrical power consumption for heat generators - System boundaries - Measurements
EN 15456:2008

This European Standard applies to heating boilers (e.g. with forced-draught burners (unit)) and burners equipped with a fan including all components specified by the manufacturer to be required for the designed boiler operation. This European Standard also applies to heating boilers sold without burners. This European Standard covers the required definitions, the system boundaries, the measurements for the determination of the electrical power consumption and, where applicable, the water side resistance in order to establish the electric auxiliary energy for: - Oil-fired forced-draught burners in accordance with EN 267; - Automatic forced-draught burners for gaseous fuels in accordance with EN 676; - Flued oil stoves with vaporizing burners in accordance with EN 1; - Heating boilers sold without burners for: - Oil-fired forced-draught burners in accordance with EN 303-1, EN 303-2 and EN 304; - Condensing boilers for liquid fuels in accordance with EN 15034; - Room sealed boilers for fuel oil in accordance with EN 15035; - Heating boilers;Heating boilers with forced-draught burners;Nominal heat output not exceeding 10 MW and maximum operating temperature of 110 °C in accordance with EN 14394; - Pellet burners for small heating boilers in accordance with EN 15270.

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SIST EN 15036-2:2007(Main)
Heating boilers - Test regulations for airborne noise emissions from heat generators - Part 2: Flue gas noise emissions at the outlet of the heat generator
EN 15036-2:2006

This European Standard applies to heat generators according to EN 15036-1, which are connected to chimneys/ducts which discharge combustion products via a duct into open air.
The data measured according to this European Standard will probably be different from the noise radiated from the end of the chimney.
Readings from forced-draught burners complying with EN 267 or EN 676 are only applicable in practice if they have been taken in conjunction with a boiler. Noise emitted into chimneys/ducts by heat generators operating independently of indoor air can also be measured in accordance with this European Standard.
Boilers supplied with combined air inlet and exhaust terminal configuration where ducts are within an external wall can be measured according to one of the test methods detailed in EN 15036-1.
This European Standard describes the objective procedure for determining sound power levels LW, at the outlet of a heat generator that is emitting broad-band, narrow-band, or tonal continuous sound.
This European Standard is applicable to boilers designed to be connected to a chimney or flue duct with a duct size greater than or equal to 0,06 m and whose mean flue gas flow at the microphone head is less than 5 m/s.
This European Standard only applies for test purposes under laboratory conditions.

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