I.S. EN 15243:2007

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 General approach
6 Room temperature calculation without room
   conditioning system
   6.1 Choice of rooms
   6.2 Calculation met
   6.3 Boundary conditions
7 Room cooling load calculation
   7.1 Basic sensible room cooling load calculation
   7.2 System dependent sensible room cooling load calculation
   7.3 Latent room cooling load calculation
   7.4 Boundary conditions
8 Room heating load calculation
   8.1 Calculation procedure
   8.2 Climatic data
   8.3 Ventilation rates
9 Room based equipment sizing
10 Zone load calculation
11 System heating and cooling load calculation
12 Central system equipment sizing
13 Room and building energy calculation
   13.1 General
   13.2 Humidification and dehumidification energy demand
   13.3 Relation to system energy calculation methods
14 System energy calculation
   14.1 General approach
   14.2 Required functionality of detailed and simplified
        calculation methods
   14.3 Simplified system losses and energy demand
        calculation methods
   14.4 Detailed system losses and energy demand calculation method
Annex A (informative) Best procedure for design process
Annex B (informative) Proposed procedure for choice or typical
        rooms for temperature calculation
Annex C (informative) System overview
Annex D (informative) Schematic relationship between HVAC
        system energy procedure, building energy demand
        calculations, data and outputs
Annex E (informative) Example simplified system losses and
        energy demand calculation methods
    E.1 Example 1 (Dutch proposal)
    E.2 Example 2 (German proposal)
    E.3 Example 3: Monthly HVAC system cooling energy
        calculations using degree-day methods
Annex F (informative) EDR Verification of building and
        installation calculation methods
    F.1 Introduction
    F.2 Method description
    F.3 EDR Calculation method for reference values
Annex G (informative) Example values for emission losses
    G.1 Zones including several groups
    G.2 Control accuracy
Annex H (informative) Calculation of latent energy demand
    H.1 Presentation
    H.2 Application for hourly calculation
Annex I (informative) Example Calculation of Seasonal
        Efficiency of Cold Generators and Chillers in Air
        Conditioning Systems
    I.1 Introduction
    I.2 Theory
    I.3 Practical application
    I.4 Illustrative example of estimation of seasonal EER
    I.5 Example for calculated part-load-values
Annex J (informative) Auxiliary energy for cooling-water
        and cold-water distribution
    J.1 Electrical energy demand
    J.2 Hydraulic energy demand for distribution
    J.3 Demand coefficients
    J.4 Other auxiliary energy demands (auxiliary drives)
    J.5 Guideline for calculating the electrical energy demand
        of cooling-water and coldwater distribution systems
Annex K (informative) Thermal and dehumidification
        distribution losses in cooling systems
    K.1 Cooling for the HVAC system
    K.2 Cooling energy supply for space cooling
Annex L (informative) Auxiliary energy use by terminals
    L.1 Energy demand for space cooling - fans
Annex M (informative) Auxiliary energy demand, heat rejection
    M.1 Calculation
    M.2 Partial-load index values of heat rejection systems
Bibliography

Describes the procedure how the calculation methods to determine the temperatures, sensible loads and energy demands for the rooms shall be used in the design process.