NEN EN 13141-8 : 2014

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and classification
  3.1 Terms and definitions
  3.2 Classification
4 Symbols and abbreviations
5 Requirements
6 Test methods
  6.1 General
  6.2 Performance testing of aerodynamic characteristics
      6.2.1 Leakages and mixing
      6.2.2 Air flow
      6.2.3 Filter bypass leakage (not applicable to filter
            classes G1 to G4)
  6.3 Performance testing of thermal characteristics
      6.3.1 Temperature ratios
      6.3.2 Operation at low outdoor temperatures
  6.4 Performance testing of acoustic characteristics
      6.4.1 General
      6.4.2 Radiative sound power in the indoor or outdoor space
  6.5 Effective power input
7 Test results
  7.1 Test report
  7.2 Product specifications
  7.3 Leakages
  7.4 Air flow
  7.5 Effective power input
  7.6 Temperature ratios
  7.7 Derived results
  7.8 Acoustic characteristics
Annex A (informative) Test layouts
Bibliography

Defines the laboratory test methods and test requirements for the testing of aerodynamic, thermal and acoustic performance, and the electrical power of an un-ducted mechanical supply and exhaust ventilation unit used in a single room.