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 Characteristic value method
4.2 Special system designs
5 Use of balance parameters in other calculations
5.1 General considerations
5.2 Supply air volume flow of constant air volume systems
5.3 Supply air volume flow of systems with time-dependent
or usage-dependent volume flow control
5.4 Supply air volume flow of systems with control of the
volume flow as a function of the cooling load
5.5 Monthly mean supply air temperatures
6 Calculation of the delivered energy for air transport
6.1 Constant air volume systems
6.2 Variable air volume systems
6.2.1 Calculation principles
6.2.2 Systems with time-dependent or usage-dependent
control of the volume flow
6.2.3 Systems with control of the volume flow as a
function of the cooling load
7 Calculation of the energy needs for heating, cooling,
humidification and dehumidification
7.1 Selecting a type of system
7.2 Conversion of energy characteristic values for
freely-selected operating times and supply air temperatures
7.3 Conversion of energy characteristic values for systems
with freely-selectable recovered heat coefficients
7.4 Denormalizing the energy characteristic values
8 Maximum power values
8.1 Design parameters for specific external air and extract
air conditions
8.2 Determination of the enthalpy of supply air
8.3 Maximum heating power
8.4 Maximum cooling power
8.5 Maximum power for steam generation
Annex A (normative) Energy characteristic values for thermal
conditioning of air
A.1 General
Annex B (normative) Component usage times
B.1 General
Annex C (normative) Method and boundary conditions for determining
the energy need for thermal air conditioning
C.1 General
C.2 Method and boundary conditions
Annex D (informative) System types, schematic diagrams
D.1 General