EN 677:1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
01-07-2014
17-06-1998
Foreword
1 Scope
2 Normative references
3 Definitions
3.1 condensing boiler
3.2 condensate
3.3 nominal condensing output
3.4 maximum allowable working temperature
4 Constructional requirements
4.1 Materials in contact with condensate
4.2 Removal of condensate
4.3 Control of the combustion products temperature
4.4 Chemical composition of the condensate
5 Operational requirements
5.1 General
5.2 Verification of the nominal condensing output
5.3 Formation of condensate
5.4 Temperature of combustion products
5.5 Combustion
5.6 Efficiencies
6 Test methods
6.1 General
6.2 Verification of the nominal condensing output
6.3 Formation of condensates
6.4 Temperature of combustion products
6.5 Combustion
6.6 Efficiencies
7 Marking
7.1 Data plate
7.2 Instructions
Annex A (normative) Correction for the determined efficiency
in the low water temperature test of condensing boilers
Annex B (informative) Special national conditions
Annex C (informative) A-deviations
Annex ZA (informative) Clauses of this European Standard
addressing essential requirements or other provisions of
EU Directives
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