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BS EN 303-7:2006

Current
Current

The latest, up-to-date edition.

Heating boilers Gas-fired central heating boilers equipped with a forced draught burner of nominal heat output not exceeding 1000 kW
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-01-2007

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Constructional and operational requirements
  4.1 General principles
  4.2 Operational requirements
5 Test methods
  5.1 General principles
  5.2 External tightness of the gas line
  5.3 Heat input rates
  5.4 Gas pressure governor
  5.5 Safety of operation
  5.6 Control and safety equipments
  5.7 Combustion
  5.8 Useful efficiencies
  5.9 Condensation
6 Marking and instructions
  6.1 Marking
  6.2 Instructions
  6.3 Presentation
Annex A (informative) Diameters of combustion products
                      evacuation ducts marketed in the
                      various countries
Annex B (informative) Practical method of calibrating
                      the test rig to enable determination
                      of heat loss D[p]
Annex C (informative) Determination of the heat losses from
                      the test rig of the indirect method
                      and the contributions of the
                      circulating pump of the test rig
Annex D (informative) Determination of the operating time
                      at full rate prior to modulation
Annex E (normative) Determination of the combustion
                      characteristics - Carbon monoxide and
                      nitrogen oxides
Annex F (normative) Case of a forced draught burner
                      complying with EN 676
Annex G (informative) Main symbols and abbreviations used
Annex H (informative) A-deviations
Annex ZA (informative) Clauses of this European Standard
                       addressing essential requirements or
                       other provisions of EU Directives
National Annex NA (informative) Additional information for
UK users
Bibliography

Specifies the requirements and test methods for the construction, the safety and the rational energy usage for gas-fired standard and low temperature central heating boilers equipped with a forced draught burner.

Committee
GSE/29
DevelopmentNote
Supersedes 98/716916 DC (02/2007)
DocumentType
Standard
Pages
66
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
NF EN 303-7 : 2006 Identical
UNI EN 303-7 : 2008 Identical
NBN EN 303-7 : 2007 Identical
NEN EN 303-7 : 2006 Identical
I.S. EN 303-7:2006 Identical
EN 303-7:2006 Identical
SN EN 303-7 : 2007 Identical
NS EN 303-7 : 1ED 2007 Identical
DIN EN 303-7:2007-05 Identical

EN 676:2003+A2:2008/AC:2008 AUTOMATIC FORCED DRAUGHT BURNERS FOR GASEOUS FUELS
EN 303-1:2017 Heating boilers - Part 1: Heating boilers with forced draught burners - Terminology, general requirements, testing and marking
EN ISO 3166-1:2014 Codes for the representation of names of countries and their subdivisions - Part 1: Country codes (ISO 3166-1:2013)
EN 303-3:1998/AC:2006 HEATING BOILERS - PART 3: GAS-FIRED CENTRAL HEATING BOILERS ASSEMBLY COMPRISING A BOILER BODY AND A FORCED DRAUGHT BURNER
EN 437:2003+A1:2009 Test gases - Test pressures - Appliance categories
EN 334:2005+A1:2009 Gas pressure regulators for inlet pressures up to 100 bar
CEN/TR 1749:2014 European scheme for the classification of gas appliances according to the method of evacuation of the combustion products (types)
ISO 3166-1:2013 Codes for the representation of names of countries and their subdivisions Part 1: Country codes
EN 60335-1:2012/A13:2017 HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES - SAFETY - PART 1: GENERAL REQUIREMENTS (IEC 60335-1:2010, MODIFIED)
EN 88:1991/A1:1996 PRESSURE GOVERNORS FOR GAS APPLIANCES FOR INLET PRESSURE UP TO 200 MBAR

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