DIN V 18599-1:2016-10

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions, symbols and units
  3.1 Terms and definitions
  3.2 Symbols, units and subscripts
4 Relationship between the parts of the DIN V 18599 series of
  prestandards
  4.1 Input parameters from other parts of the DIN V 18599 series
      of prestandards
  4.2 Output parameters for other parts of the DIN V 18599 series
      of prestandards
5 Balance calculation
  5.1 General
  5.2 Requirements relating to the energy balance
      5.2.1 Zoning (partitioning) of the building
      5.2.2 Determining the energy needs for each zone
      5.2.3 Determining the energy needs for heating and cooling by
            iteration
      5.2.4 Determining system losses, delivered and primary energy
      5.2.5 Times and periods
  5.3 Energy need balance calculation
      5.3.1 General
      5.3.2 Energy need for lighting
      5.3.3 Energy needs for heating and cooling
      5.3.4 Energy needs for air handling and ventilation of
            residential spaces
      5.3.5 Energy need for domestic hot water
  5.4 Balances of energy losses due to control and emission,
      distribution and storage
      5.4.1 Lighting
      5.4.2 Heating (heating systems and HVAC heating function)
      5.4.3 Cooling (cooling system and HVAC cooling function)
      5.4.4 Humidification in HVAC systems
      5.4.5 Ventilation of residential buildings
      5.4.6 Domestic hot water supply
      5.4.7 Energy for other process heating or cooling requirements
  5.5 Balancing of delivered energy (energy use)
      5.5.1 Delivered energy for lighting
      5.5.2 Delivered energy for heating and cooling and generation
            losses
      5.5.3 Delivered auxiliary energy
      5.5.4 Delivered energy, calculated according to energy carriers
  5.6 Primary energy rating
6 Zoning of buildings
  6.1 General description
  6.2 Dividing a building into zones
      6.2.1 Zoning step 1: Determining areas with the same usage
      6.2.2 Zoning step 2: Application of additional zoning criteria
  6.3 Serviced areas
  6.4 Determination of geometric parameters
7 Assignment of the balance components
  7.1 General information
  7.2 Assignment rules
      7.2.1 Case 1: Serviced area and zone are identical
      7.2.2 Case 2: Several serviced areas in one zone
      7.2.3 Case 3: Several zones in one serviced area
8 Determination of system boundaries, areas and volumes
  8.1 Reference dimensions for determining the thermal envelope
      area and the gross volume
      8.1.1 Floor plans (horizontal dimensions)
      8.1.2 Sections (vertical dimensions)
  8.2 Other reference dimensions
      8.2.1 Energy reference area
      8.2.2 Storey height
      8.2.3 Air volume
      8.2.4 Characteristic length and width
  8.3 Input parameters for balance calculation
9 Balance calculation approach
  9.1 General case
  9.2 Residential buildings
  9.3 Accuracy of the calculations
Annex A (normative) Primary energy factors
      A.1 General
      A.2 Boundary conditions for default values
      A.3 Calculation of the primary energy factor of area heating
          and district heating systems
Annex B (normative) Conversion of the energy content of energy
        carriers
      B.1 Default values
      B.2 Deviation from default values
Annex C (normative) Provisions relating to calculation methods
        for cogeneration
      C.1 General
      C.2 Determination of power
      C.3 Further provisions for selected heat generators
Bibliography

Presents overview of the procedures for calculating the energy need, delivered energy and primary energy for heating, cooling, lighting and the domestic hot water supply of buildings. The central balance equations are described in this part.