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Norm

ÖNORM EN 303-1

Issue date: 2004 03 01

Heating boilers - Part 1: Heating boilers with forced draught burners - Terminology, general requirements, testing and marking (EN 303-1:1999 + A1:2003)

This standard is applicable to heating boilers with burners using fans up to a nominal heat output of 1000 kW. They are operated, either with negative pressure (natural ...
Withdrawn: 2017 10 15
§ Legal References
Publisher:
Austrian Standards International
Format:
Digital | 33 Pages
Language:
German | English | Download GER/ENG
Currently valid:
Optionally co-design standards:
This standard is applicable to heating boilers with burners using fans up to a nominal heat output of 1000 kW. 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 manufacturers instructions. 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 prEN 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). 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 and low temperature boilers. For these boilers there are further requirements. NOTE: Low temperature boilers are those operating with a (water) variable temperature up to 40 °C or less, or those which cannot be set at a temperature higher than 55 °C.
ÖNORM EN 303-1
2017 10 15
Heating boilers - Part 1: Heating boilers with forced draught burners - Terminology, general require...
Norm
ÖNORM EN 303-1
2004 03 01
Heating boilers - Part 1: Heating boilers with forced draught burners - Terminology, general require...
Norm
ÖNORM EN 303-1
1999 04 01
Heating boilers - Part 1: Heating boilers with forced draught burners - Terminology, general require...
Norm
ÖNORM EN 303-1
1993 02 01
Heating boilers - Heating boilers with burners using fans - Terminology, general requirements, testi...
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ÖNORM M 7550
1985 06 01
Boilers for central heating up to 100 degrees C; concepts, requirements, testing, marking of conform...
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ÖNORM DIN 4702-1
1971 10 01
Boilers for central heating; identification, nominal rating, thermal requirements
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