I.S. EN 15420:2010
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
11-07-2012
English
01-01-2010
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification of boilers
5 Constructional requirements
6 Operational requirements
7 Test methods
8 Marking and instructions
Annex A (informative) - National situations
Annex B (informative) - Special national conditions
Annex C (informative) - A-deviations
Annex D (informative) - Classification of type C boilers
Annex E (informative) - Practical method of calibrating the test
rig to enable the heat loss D[p] to be determined
Annex F (informative) - Main symbols and abbreviations used
Annex G (informative) - Compilation of test conditions
Annex H (informative) - Valving
Annex I (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 J (informative) - Means of determining the ignition time at
full rate
Annex K (informative) - Example of the calculation of the NO[x]
weighting factors for a boiler with several rates
Annex L (informative) - Calculation of conversions of NO[x]
Annex N (informative) - Requirements and test methods for separate
air supply and combustion products evacuation ducts of type
C6 boilers
Annex O (informative) - Use of test gases
Annex ZA (informative) - Clauses of this European Standard
addressing essential requirements or provisions of EU
Directives
Bibliography
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