NEN EN 14813-1 : 2006 + A1 2010

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Driving cab classification
5 Comfort parameters
6 Exterior conditions
   6.1 Determination of climatic zones
   6.2 Normal exterior operating conditions
   6.3 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)
       8.2.1 General
       8.2.2 Temperature control not related to exterior
             temperature
       8.2.3 Temperature control related to exterior
             temperature
   8.3 Fan speed control
9 Comfort condition requirements
   9.1 Temperatures in the comfort envelope
       9.1.1 Range of the interior temperature (Tim) with
             respect to the interior temperature setting (Tic)
       9.1.2 Range of the interior air temperature in a vertical
             section of a seated driver
   9.2 Relative humidity of air-conditioned vehicles
   9.3 Surface temperatures inside and surrounding the comfort
       envelope
   9.4 Temperature at the supply air outlets
   9.5 Air speed
   9.6 Air quantities
       9.6.1 Outside air or fresh air
       9.6.2 Recirculated air
10 Complementary requirements
   10.1 Heat transfer coefficient (k)
   10.2 Overall transmission factor of the windows
   10.3 Particle air filtration
   10.4 Noise emission
   10.5 Vibration generation
   10.6 Safety devices
        10.6.1 Heating
        10.6.2 Cooling
        10.6.3 Emergency ventilation
   10.7 Protection against pressure waves
   10.8 Sealing against water, snow and dust
   10.9 Reliability, maintainability
        10.9.1 Reliability
        10.9.2 Maintainability
Annex A (normative) Acceptable air speed
Annex B (normative) Relative humidity in the comfort
        envelope
Annex C (normative) Heat emitted by a seated person
        normally dressed
Annex D (normative) Definition of climatic zones
Annex E (informative) Grouping of countries in climatic
        zones
Annex ZA (informative) Relationship between this European
         Standard and the Essential Requirements of EU
         Directive 96/48/EC as amended by Directive
         2004/50/EC