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 Calculation methods
  4.1 Interfaces to the heating system
5 Energy need for air conditioning
  5.1 Default values for HVAC
      system components
  5.2 Notes on selecting a room conditioning
      (HVAC) system
  5.3 Energy need for the HVAC heating coils
  5.4 Energy need for the cooling coils
  5.5 Cooling energy need, room conditioning
      (cooling)
  5.6 Energy need for humidification
6 Control and emission, distribution and storage
  6.1 Heating for ventilation systems
  6.2 (Net) refrigeration energy output
  6.3 Auxiliary energy for room conditioning
  6.4 Steam for humidification
  6.5 Auxiliary energy for cooling-water and
      chilled water distribution
  6.6 Other forms of auxiliary energy
      (ancillary drives)
7 Delivered energy for refrigeration and
  steam generation
  7.1 Energy use for refrigeration
  7.2 Delivered energy for steam supply
8 Delivered energy
  8.1 Refrigeration equipment for cooling
  8.2 Steam generation for humidification
  8.3 Auxiliary energy for HVAC and air
      conditioning (electrical)
Annex A (normative) Characteristics
        relating to air conditioning
        A.1 General
Annex B (normative) Methods for determining the
        part load values of refrigeration
        B.1 General
        B.2 Partial load characteristics of air-cooled
            refrigeration units
        B.3 Partial load characteristics of water-cooled
            refrigeration units
        B.4 Partial load characteristics of recooling
            systems
Annex C (normative) Heat sources and sinks
        C.1 General
        C.2 Heat sources
        C.3 Heat sinks
Annex D (informative) Guidelines for calculating
        the electrical energy expenditure for cooling-water
        and chilled-water distribution systems
        D.1 General
        D.2 Specific volume flow in the distribution circuit
        D.3 Pressure losses [delta][pZ] at the design point
        D.4 Annual pump operating times [sigma]t[d,l]
        D.5 Specific electrical power for water distribution
        D.6 Electrical energy expenditure for distribution
Annex E (informative) Interfaces
        E.1 Interfaces to other parts of the
            DIN V 18599 series of prestandards
Annex F (normative) Default values for refrigeration
        equipment in existing systems
        F.1 Existing systems from 1990 onwards
        F.2 Existing systems before 1995
Annex G (normative) Estimation of heat recovery
        G.1 Estimation of heat recovery for
            existing systems
        G.2 Estimation of temperature ratios in
            fixed plate heat exchangers
        G.3 Estimation of the temperature ratio
            for rotary heat exchangers
        G.4 Rotary heat exchangers with sorption
            material
        G.5 Estimation of the temperature ratio in
            integrated fluid circulation coil heat exchangers
Annex H (normative) External air volume flow and
        specific power demand of fans in existing systems
        H.1 Evaluation of energy demand
        H.2 Use of values
Bibliography
Figures
Tables