DIN EN 89:2015-08

National foreword
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
10 Ecodesign Data
11 Energy Labelling Data
12 Figures referenced in this standard
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) - NO[x] conversion calculation
Annex I (informative) - Requirements and test methods
        for separate air supply and combustion products
        evacuation ducts of type C6 water heaters
Annex J (normative) - Lists of materials currently used
Annex K (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 L (normative) - Parts in copper or copper alloys
Annex M (informative) - Compilation of the test
        conditions for the various gas families
Annex N (informative) - Alternative Method for the
        determination of the nominal heat input or the
        maximum and minimum heat input (according
        to 6.3.1) for appliances using a pneumatic gas/air
        ratio control system
Annex ZA (informative) - Clauses of this European
         Standard addressing essential requirements or
         other provisions of UE Directives
Annex ZB (informative) - Relationship between this
         European Standard and the requirements of
         Commission Regulation (EU) No 814/2013
Annex ZC (informative) - Relationship between this
         European Standard and the requirements of
         Commission Delegated Regulation (EU)
         No 812/2013
Bibliography

Specifies 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'.