EN 297:1994

Gas-fired central heating boilers - Type B11 and B11BS boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW EN 297:1994

Publication date:   Jul 7, 2001

General information

99.60 Withdrawal effective   Jul 30, 2014

CEN

CEN/TC 109 Central heating boilers using gaseous fuels

European Norm

91.140.10   Central heating systems

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Scope

This European Standard specifies the requirements and test methods for the construction, safety, fitness for purpose, rational use of energy, classification and marking of gas-fired central heating boilers, hereafter referred to as 'boilers'. This standard applies to type B11 and BB11BS boilers: - fitted with atmospheric burners; - that use gases corresponding to the three gas families and to the pressures stated in 4.1.4; - that have a nominal heat input not exceeding 70 kW (on net calorific value); - where the temperature of the water does not exceed 95 øC during normal operation; - where the maximum water-side operating pressure does not exceed 6 bar. This standard does not contain all the necessary requirements for: boilers: - intended to be installed in the open; - having multiple heating units with a single draught diverter; - with fan-assisted combustion; - of the condensing type; i- ntended to be connected to a common flue having mechanical extraction; - fitted with manual or automatic means of adjusting the air supply and/or adjusting the evacuation of the combustion products; - of the combination type (central heating and domestic hot water production); appliances: - combining the functions of an independent space heater and a hot water generator for central heating. This standard only covers type testing.

Related legislation

Legislation related to this standard

90/396/EEC

Appliances burning gaseous fuels

Harmonized/Supporting
2009/142/EC

Appliances burning gaseous fuels

Harmonized/Supporting

Life cycle

NOW

WITHDRAWN
EN 297:1994
99.60 Withdrawal effective
Jul 30, 2014

CORRIGENDA / AMENDMENTS

WITHDRAWN
EN 297:1994/A2:1996

WITHDRAWN
EN 297:1994/A5:1998

WITHDRAWN
EN 297:1994/A3:1996

WITHDRAWN
EN 297:1994/A4:2004

WITHDRAWN
EN 297:1994/A6:2003

WITHDRAWN
EN 297:1994/A2:1996/AC:2006

REVISED BY

WITHDRAWN
EN 15502-2-2:2014