PREN 15502-1 : DRAFT 2010
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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GAS-FIRED HEATING BOILERS - PART 1: GENERAL REQUIREMENTS AND TESTS
01-07-2012
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Classification
5 Construction
6 Electrical safety
7 Controls
8 Safety of operation
9 Useful efficiencies
10 Electric auxiliary energy
11 Risk assessment
12 Marking and instructions
Annex A (informative) - Properties of carbon and stainless steels
Annex B (normative) - Minimum requirements for cast iron
Annex C (normative) - Parts cast in aluminium and aluminium
alloys
Annex D (normative) - Parts cast in copper or copper alloys
Annex E (normative) - Minimum thicknesses for rolled parts
Annex F (normative) - Nominal minimum thicknesses of boiler
sections of cast materials under water pressure
Annex G (normative) - Parameters for welded joints and welding
processes
Annex H (informative) - Composition of the gas circuit
Annex I (informative) - Compilation of the test conditions
for the various gas families
Annex J (informative) - Calculation of conversions of NO[x]
Annex K (informative) - Example of calculation of the weighting
factors NO[x]
Annex L (informative) - Practical method of calibrating the
test rig to enable the heat loss Dp to be determined
Annex M (informative) - Means of determining the ignition time at
full rate
Annex N (informative) - Determination of the heat losses from the
test rig of the indirect method and contributions of the
circulating pump of the test rig
Annex O (informative) - Example of a risk assessment method
Annex P (informative) - Examples of risk assessment with a method
described in Annex O
Annex Q (informative) - Realization of a protective measure
Annex R (informative) - Overall classification of a basic risk
Annex S (informative) - Not exhaustive list of classification
examples
Annex ZA (informative) - Clauses of this European standard
addressing essential requirements or provisions
of EU Directives
Bibliography
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