PREN 89 : DRAFT 2012

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification of storage water heaters
5 Construction requirement
6 Operational requirements
7 Rational use of energy
8 Fitness for purpose
9 Marking and instructions
Annex A (informative) - National situations
Annex B (normative) - Test apparatus for type
        C[11] appliances
Annex C (normative) - Test apparatus for type
        C[21] appliances
Annex D (informative) - Examples of composition
        of the gas circuit
Annex E (normative) - Soundness test - Volumetric
        method
Annex F (informative) - Guidelines for extension to
        other categories
Annex G (informative) - A-deviations
Annex H (informative) - Special national conditions
Annex I (informative) - NO[x] conversion calculation
Annex J (informative) - Requirements and test methods
        for separate air supply and combustion products
        evacuation ducts of type C[6] water heaters
Annex K (normative) - Lists of materials currently used
Annex L (normative) - Test methods to determine the
        effects of to long-term thermal load, long-term
        condensate exposure, condensing/non-condensing
        cycling and resistance to UV radiation
Annex ZA (informative) - Clauses of this European
         Standard addressing essential requirements or
         other provisions of UE Directives
Bibliography

Gives the specifications and test methods for the construction, safety, rational use of energy and fitness for purpose, environment and classification and marking of gas-fired storage water heaters for domestic hot water uses, hereafter called 'appliance'.