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SIST EN 297:1997/A2:1997

(Amendment)

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

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

Migrated from Progress Sheet (TC Comment) (2000-07-10): Has to consider also Directive 92/42 on efficiency of boilers !! ++ Exceptional derogation from IR granted in case of EN 297, allowing more than ++ 3 Amd. (but not more than 5) (BT 27/1996)

Heizkessel für gasförmige Brennstoffe - Heizkessel der Typen B11 und B11BS mit atmosphärischen Brennern mit einer Nennwärmebelastung kleiner als oder gleich 70 kW

Chaudieres de chauffage central utilisant les combustibles gazeux - Chaudieres des types B11 et B11BS équipées de bruleurs atmosphériques, dont le débit calorifique nominal est inférieur ou égal a 70 kW

Plinski kotli za centralno ogrevanje - Tipa B <(indeks)11> in B<(indeks)11BS> z atmosferskimi gorilniki z imensko močjo do vključno 70 kW - Dopolnilo A2

General Information

Status
Withdrawn
Publication Date
28-Feb-1997
Withdrawal Date
13-Aug-2014
ICS
91.140.10 - Central heating systems
97.100.20 - Gas heaters
Technical Committee
PLN - Gas appliances for domestic use
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
14-Aug-2014
Due Date
06-Sep-2014
Completion Date
14-Aug-2014
Directive
2009/142/EC - DIRECTIVE 2009/142/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 30 November 2009 relating to appliances burning gaseous fuels
2016/426 - REGULATION (EU) 2016/426 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 9 March 2016 on appliances burning gaseous fuels and repealing Directive 2009/142/EC
90/396/EEC - Appliances burning gaseous fuels
92/42/EEC - Efficiency requirements for new hot-water boilers fired with liquid or gaseous fuels
Mandate
M/066 - Standardization mandate to CEN concerning Efficiency requirements for boilers
M/BC/CEN/89/6 - Standardization request to CEN concerning appliances burning gaseous fuels
Ref Project
EN 297:1994/A2:1996 - Gas-fired central heating boilers - Type B11 and B11BS boilers, fitted with atmospheric burners of nominal heat input not exceeding 70 kW

Relations

Replaced By
SIST EN 15502-2-2:2014 - Gas-fired central heating boilers - Part 2-2: Specific standard for type B1 appliances of a nominal heat input not exceeding 70 kW
Effective Date
01-Oct-2014
Amends
SIST EN 297:1997 - Gas-fired central heating boilers - Type B11 and B11BS boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW
Effective Date
01-Mar-1997
Corrected By
SIST EN 297:1997/A2:1997/AC:2006 - Gas-fired central heating boilers - Type B11 and B11BS boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW
Effective Date
01-Sep-2006
Amends
SIST EN 297:1997 - Gas-fired central heating boilers - Type B11 and B11BS boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW
Effective Date
08-Jun-2022

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EN 297:1997/A2:1997EN 297:1997/A2:1997
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EN 297:1997/A2:1997
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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 297:1997/A2:1997
01-marec-1997
3OLQVNLNRWOL]DFHQWUDOQRRJUHYDQMH7LSD% LQGHNV !LQ% LQGHNV %6!]
DWPRVIHUVNLPLJRULOQLNL]LPHQVNRPRþMRGRYNOMXþQRN:'RSROQLOR$
Gas-fired central heating boilers - Type B11 and B11BS boilers, fitted with atmospheric
burners of nominal heat input not exceeding 70 kW
Heizkessel für gasförmige Brennstoffe - Heizkessel der Typen B11 und B11BS mit
atmosphärischen Brennern mit einer Nennwärmebelastung kleiner als oder gleich 70 kW
Chaudieres de chauffage central utilisant les combustibles gazeux - Chaudieres des
types B11 et B11BS équipées de bruleurs atmosphériques, dont le débit calorifique
nominal est inférieur ou égal a 70 kW
Ta slovenski standard je istoveten z: EN 297:1994/A2:1996
ICS:
91.140.10 Sistemi centralnega Central heating systems
ogrevanja
97.100.20 Plinski grelniki Gas heaters
SIST EN 297:1997/A2:1997 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 297:1997/A2:1997

---------------------- Page: 2 ----------------------

SIST EN 297:1997/A2:1997

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...

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Add to the first list of indents:
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Delete in the second list of indents:
-   of the low-temperature type;

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TC - Replace Tables 5 and 6

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SIST EN 303-3:1999/A2:2004(Amendment)
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Replace the second paragraph by the following text :
"This European Standard applies to standard boilers and low-temperature boilers with a nominal heat output not exceeding 1000 kW and with a water temperature at normal operation not exceeding 105 °C."
Replace the 2nd dash of the third paragraph by the following text :
"- condensing boilers;"
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SIST EN 656:2001(Main)
Gas-fired central heating boilers - Type B boilers of nominal heat input exceeding 70 kW but not exceeding 300 kW
EN 656:1999

This standard 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 or fully premixed burners, and are hereafter referred to as "boilers".  This standard applies to boilers of type B, as listed in 4.2:   ? that use one or more combustible gases of the three gas families at the pressures stated in Tables 14 and 15;  ? that have a nominal heat input (net CV basis) exceeding 70 kW, but not exceeding 300 kW, including modular boilers;  ? where the temperature of the heat transfer fluid does not exceed 105 oC during normal operation;  ? where the maximum operating pressure in the water circuit does not exceed 6 bar.  The standard applies to boilers designed for sealed water systems or for open water systems.  The standard does not contain all the requirements necessary for boilers:   ? intended to be installed in the open or in living rooms;  ? permanently fitted with more than one flue outlet;  ? where the combustion circuit is sealed with respect to the room where the boiler is installed;  ? of the condensing type;  ? of the low temperature type;  ? intended to be connected to a common flue having mechanical extraction;  ? fitted with a forced draught burner in accordance with EN 676;  ? producing hot water for domestic purposes.  This standard only covers type testing.

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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.

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