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eLibrary > BS EN 13141-8:2014 Ventilation for buildings. Performance testing of components/products for residential ventilation - Performance testing of un-ducted mechanical supply and exhaust ventilation units (including heat recovery) for mechanical ventilation sy >

BS EN 13141-8:2014 Ventilation for buildings. Performance testing of components/products for residential ventilation - Performance testing of un-ducted mechanical supply and exhaust ventilation units (including heat recovery) for mechanical ventilation sy, 2014

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BS EN 13141-8:2014 Ventilation for buildings. Performance testing of components/products for residential ventilation - Performance testing of un-ducted mechanical supply and exhaust ventilation units (including heat recovery) for mechanical ventilation sy, 2014

1 Scope
2 Normative references
3 Terms, definitions and classification [Go to Page]
3.1 Terms and definitions
3.2 Classification
4 Symbols and abbreviations
5 Test methods [Go to Page]
5.1 General
5.2 Performance testing of aerodynamic characteristics [Go to Page]
5.2.1 General
5.2.2 Internal leakages and mixing [Go to Page]
5.2.2.1 General
5.2.2.2 External leakage
5.2.2.3 Internal leakage
5.2.2.4 Mixing
5.2.3 Air flow
5.2.4 In/out airtightness
5.2.5 Filter bypass
5.3 Specific performance testing of aerodynamic characteristics for alternating ventilation unit including a storage type heat exchangers [Go to Page]
5.3.1 Reference air flow
5.3.2 Leakages [Go to Page]
5.3.2.1 External leakage
5.3.2.2 Internal leakage
5.3.2.3 Outdoor mixing and carry over
5.3.3 In/out airtightness
5.4 Performance testing of thermal characteristics [Go to Page]
5.4.1 Temperature and humidity ratios on supply air side (mandatory measurement)
5.4.2 Temperature and humidity ratios on exhaust air side (optional measurement)
5.4.3 Test requirements
5.4.4 Test operating conditions
5.4.5 Temperature conditions
5.4.6 Test procedure
5.4.7 Test model for testing alternating ventilation units [Go to Page]
5.4.7.1 General
5.4.7.2 Special features
5.4.7.3 Thermal test
5.5 Effective power input
6 Classification [Go to Page]
6.1 Leakage classification
6.2 Airflow sensitivity classification
6.3 Indoor/outdoor airtightness of the complete unit
7 Requirements
8 Calculations [Go to Page]
8.1 General calculations
8.2 Special calculations for alternating heat exchangers
9 Performance testing of acoustic characteristics [Go to Page]
9.1 General
9.2 Radiative sound power in the indoor or outdoor space [Go to Page]
9.2.1 General
9.2.2 Reverberant room method
9.2.3 Anechoic or semi-anechoic room method
9.2.4 Free field method
9.3 Airborne sound insulation
10 Test results [Go to Page]
10.1 Test report
10.2 Product specifications
10.3 Additional information related to the performance of the product
10.4 Leakages
10.5 Air flow
10.6 Effective power input
10.7 Temperature and humidity ratios
10.8 Acoustic characteristics
11 Cleaning and maintenance
Annex A (informative)Test layouts
Annex B (normative)Pressure leakage test method [Go to Page]
B.1 External leakage test
B.2 Internal leakage test
Annex C (normative)Indoor mixing [Go to Page]
C.1 General
C.2 Determination of indoor mixing - First test
C.3 Determination of indoor mixing - Second test
C.4 Indoor mixing calculation [Go to Page]

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BS EN 13141-8:2014 Ventilation for buildings. Performance testing of components/products for residential ventilation - Performance testing of un-ducted mechanical supply and exhaust ventilation units (including heat recovery) for mechanical ventilation sy, 2014

To continue with accurate pricing,
please select your company type below: