DIN 4799:1990-06

1 Scope and field of application
2 Testing
      2.1 Summary
      2.2 Test room
             2.2.1 Dimensions
             2.2.2 Thermal parameters
             2.2.3 Pressure parameters
             2.2.4 Supply and exhaust air terminals
      2.3 Configuration of test room
             2.3.1 Simulation of occupants
             2.3.2 Simulation of operating theatre
                      luminaires
             2.3.3 Simulation of medical and other
                      fittings and equipment
      2.4 HVAC systems for test room
             2.4.1 Supply air
             2.4.2 Exhaust air
             2.4.3 Air treatment
             2.4.4 Control
      2.5 Measurement procedures
             2.5.1 General test conditions
             2.5.2 Introduction of tracer gas
             2.5.3 Tracer gas concentration measurement
             2.5.4 Temperature measurement
             2.5.5 Air velocity measurement
             2.5.6 Air volume flow rate measurement
             2.5.7 Thermal room loads
3 Evaluation of concentration measurements
4 Test report
      4.1 Contents of test report
      4.2 Description of air distribution system
      4.3 Drawings of air distribution system
      4.4 Description of test room
      4.5 Description of measuring instruments
      4.6 Presentation of results
5 Testing agencies and registration
Appendix A
Appendix B
Appendix C
Appendix D

Applies to heating, ventilation and air-conditioning systems (referred to below as HVAC systems) installed in operating theatres or in rooms that must meet similar requirements.