NBN EN 15316-4-3 : 2008

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Principle of the method
  5.1 Building heat requirements influence the energy performance
      of a thermal solar system
  5.2 The thermal solar system influences the energy performance
      of the building
  5.3 Performance of the thermal solar system
  5.4 Heat balance of the heat generation sub-system, including
      control
  5.5 Auxiliary energy
  5.6 Recoverable, recovered and unrecoverable thermal losses
  5.7 Calculation periods
6 Thermal solar system calculation
  6.1 Calculation procedures
  6.2 Method A - using system data (results from system tests)
      6.2.1 General
      6.2.2 Definition of heat use applied to the thermal solar system
      6.2.3 Output from thermal solar system
      6.2.4 Auxiliary energy consumption of thermal solar system
            auxiliaries
      6.2.5 System thermal losses
      6.2.6 Recoverable losses
  6.3 Method B - using component data (results from component tests)
      6.3.1 General
      6.3.2 Definition of heat use applied to the thermal solar system
      6.3.3 Output from thermal solar system
      6.3.4 Auxiliary energy consumption of thermal solar system
            auxiliaries
      6.3.5 System thermal losses
      6.3.6 Recoverable losses
      6.3.7 Determination of reduced operation time of non-solar
            heat generator(s)
Annex A (informative) - Examples on determination of thermal
        performance of thermal solar systems
    A.1 General
    A.2 Solar domestic hot water preheat system
        A.2.1 General
        A.2.2 Determination of the heat use to be applied
        A.2.3 Determination of system data
        A.2.4 Determination of X, Y and thermal solar system output
        A.2.5 Determination of the auxiliary energy consumption
        A.2.6 Determination of the thermal losses of the thermal
              solar system
        A.2.7 Determination of the recoverable losses of the
              thermal solar system
    A.3 Solar combisystem
        A.3.1 General
        A.3.2 Determination of the heat use
        A.3.3 Determination of system data
        A.3.4 Determination of X, Y and thermal solar system output
        A.3.5 Determination of the auxiliary energy consumption
        A.3.6 Determination of the thermal losses of the thermal
              solar system
        A.3.7 Determination of the recoverable losses of the
              thermal solar system
        A.3.8 Determination of the reduction of auxiliary energy
              consumption of the back-up heater
Annex B (informative) - Informative values for use in the
        calculation methods
    B.1 System type coefficients
    B.2 Thermal solar system default values
        B.2.1 General
        B.2.2 Typical values
        B.2.3 Penalty values
    B.3 Storage tank capacity correction coefficient f[st]
    B.4 Reference temperature theta[ref]
    B.5 Solar irradiance on the collector plane and incidence
        angle modifier
    B.6 Thermal losses of the solar storage tank
    B.7 Thermal losses of the distribution between the thermal
        solar system and the back-up heater
    B.8 Recoverable part of system losses
Annex C (informative) - Product classification
    C.1 Solar collectors
    C.2 Solar hot water heaters
    C.3 Storage tanks
Annex D (informative) - Savings calculation
Bibliography

Regulates required inputs, calculation method, required outputs for thermal solar systems (including control) for space heating, domestic hot water production and the combination of both.