DIN EN 303-3:2004-10
Current
The latest, up-to-date edition.
HEATING BOILERS - PART 3: GAS-FIRED CENTRAL HEATING BOILERS - ASSEMBLY COMPRISING A BOILER BODY AND A FORCED DRAUGHT BURNER
Hardcopy , PDF
01-01-2004
Foreword
1 Scope
2 Normative references
3 Definitions
4 Assembly requirements
5 Operational requirements
6 Test methods
7 Instructions
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 ignition time at
full rate
Annex E (normative) Assembly criteria
Annex F (informative) Ranges of boilers
Annex G (normative) Case of a boiler body which has already
been tested with a liquid fuel burner in
accordance with EN 303-1, EN 303-2 and EN 304
Annex ZA (informative) Clauses of this European Standard
addressing essential requirements or
other provisions of EU Directives
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