Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Vehicle classification
5 Comfort parameters
6 Exterior conditions
6.1 Normal exterior operating conditions
6.2 Extreme exterior operating conditions
7 Performance of the heating and cooling installations
7.1 Heating
7.2 Preheating
7.3 Cooling
7.4 Precooling
7.5 Stand by operation
8 Control
8.1 General
8.2 Interior temperature setting (Tic)
8.3 Interior temperature setting (Tic) for vehicles
without cooling
9 Comfort condition requirements
9.1 Temperatures in the comfort envelope
9.1.1 Range of the mean interior temperature (Tim)
with the respect to the interior temperature
setting (Tic)
9.1.2 Range of the interior air temperatures
measured 1,10 m from the floor
9.1.3 Range of the interior air temperatures in a
vertical section
9.2 Temperatures in the local annexes
9.2.1 Temperature in the vestibules
9.2.2 Temperature in the washrooms, WC's, other
annex areas
9.3 Relative humidity of air conditioned vehicles
9.4 Temperatures of the surfaces surrounding the
comfort envelope of a stationary vehicle in
heating mode
9.4.1 Walls and ceilings
9.4.2 Windows and doors
9.4.3 Minimum surface temperatures
9.5 Temperature at the supply air outlets and surface
temperature at active heating element grille
9.6 Air speed
9.7 Air quantities
9.7.1 Outside air or fresh air
9.7.2 Recirculated air
9.7.3 Local annex ventilation
10 Complementary requirements
10.1 Heat transfer coefficient (k)
10.1.1 General
10.1.2 Coefficient k of the vehicle
10.1.3 Coefficient k for vestibules
10.2 Door opening/closing cycles
10.3 Overall transmission factor of the windows
10.4 Particle air filtration
10.5 Noise emission
10.6 Vibration generation
10.7 Safety devices
10.7.1 Heating
10.7.2 Cooling
10.7.3 Emergency ventilation
10.8 Sealing against water, snow and dust
10.9 Reliability, maintainability
10.9.1 Reliability
10.9.2 Maintainability
Annex A (normative) Regulation curves for the interior
temperature setting
Annex B (normative) Acceptable air speed
Annex C (normative) Relative humidity in the comfort envelope
Annex D (normative) Heat emitted by a seated person dressed
normally
Annex E (normative) Definition of climatic zones
Annex F (informative) Grouping of countries in climatic zones
Annex G (normative) Fresh air flow rate
G.1 General
G.2 Air conditioned vehicles
G.2.1 Category A
G.2.2 Category B
G.3 Heated/ventilated vehicles
Bibliography