BS EN 303-7:2006
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
Hardcopy , PDF
English
31-01-2007
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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 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 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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