EN 15316-3-1:2007

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols, units and indices
5 Methods for calculation of energy needs for domestic hot
  water for different installations
  5.1 General
  5.2 Energy needs for domestic hot water based on tapping
      programs
  5.3 Energy needs for domestic hot water based on required
      volume
      5.3.1 General
      5.3.2 Domestic hot water delivery temperature
      5.3.3 Cold water supply temperature
      5.3.4 Domestic hot water volume
      5.3.5 Time periods
  5.4 Energy needs for domestic hot water based directly on
      floor area
  5.5 Tabulated energy needs for domestic hot water
Annex A (informative) - Tapping programs for single family
                        dwellings
Annex B (informative) - Informative values for calculation of the
                        energy needs for domestic hot water in
                        buildings
  B.1 Tabulated values
  B.2 Default values for single family dwellings
Bibliography

This European Standard is part of a set of standards covering methods for calculation of system energy requirements and system efficiencies of heating systems in buildings. In particular this European Standard is one of a number of standards dealing with domestic hot water systems.The scope of this specific part is to standardise the methods for determining the energy needs for domestic hot water. This European Standard covers the domestic hot water needs in buildings.The calculation of the energy needs for domestic hot water applies to a dwelling, a building or a zone of a building.In order to be coherent with calculation methods for space heating systems, emission losses representing taps and control should be taken into account.