NBN EN 15316-4-5 : 2007

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Principle of the method
  5.1 General
  5.2 District heating system situated outside the building - primary
      energy factor
  5.3 Energy requirements of the building substations
6 District heating system calculation
  6.1 Primary energy factor
      6.1.1 Calculation based on measurements
      6.1.2 Calculation from design data
      6.1.3 Auxiliary energy consumption
      6.1.4 Recoverable heat losses
      6.1.5 Calculation period
  6.2 Energy requirements of a building substation
      6.2.1 General
      6.2.2 System thermal loss
      6.2.3 Auxiliary energy consumption
      6.2.4 Recoverable heat losses
Annex A (informative) - Calculation examples
  A.1 Typical situation of public utilities of a city
  A.2 Typical situation of an industrial power plant supplying internal
      requirements and a city nearby
  A.3 Typical situation of a small heat and power cogeneration system
Annex B (informative) - Building substation performance
Bibliography

Regulates the method of assessing the energy performance of district heating and cooling systems.