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BS EN 13141-8:2022

BS EN 13141-8:2022

$198.66

Ventilation for buildings. Performance testing of components/products for residential ventilation – Performance testing of non-ducted mechanical supply and exhaust ventilation units (including heat recovery)

Published By Publication Date Number of Pages
BSI 2022 64
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This document specifies the laboratory test methods and test requirements for the testing of aerodynamic, thermal, acoustic and the electrical performance characteristics of non-ducted mechanical supply and exhaust residential ventilation units used in single dwellings. The purpose of this document is not to consider the quality of ventilation but to test the performance of the equipment. This document is applicable to ventilation units, the latter: a) containing either: – fans for mechanical supply and exhaust; – air filters; – air-to-air heat exchanger for heat and possibly humidity recovery; – control system; – inlet and outlet grilles; or – alternating heat exchangers which provide separate supply and exhaust air flows; b) provided either: – in one assembly; or – in more than one assembly, the separate assemblies of which are designed to be used together. This document does not deal with ducted units which are covered by EN 13141-7 or units with heat pumps. Safety requirements are given in EN 60335-2-40 and EN 60335-2-80.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 European foreword
8 Introduction
10 1 Scope
2 Normative references
11 3 Terms and definitions
17 4 Symbols and abbreviations
20 5 Categories of heat exchangers
21 6 Requirements
22 7 Test methods
7.1 General
7.2 Performance testing of aerodynamic characteristics
7.2.1 Leakages, mixing and air transfer
25 7.2.2 In/out airtightness
7.2.3 Filter bypass
7.2.4 Air flow
29 7.2.5 Electrical power input
30 7.3 Performance testing of thermal characteristics
7.3.1 General
7.3.2 Test operating conditions
31 7.3.3 Temperature conditions
32 7.3.4 Test procedure
33 7.3.5 Evaluation on supply air side (mandatory measurement) excluding alternating ventilation units
34 7.3.6 Evaluation on exhaust air side (optional measurement) excluding alternating ventilation units
35 7.4 Deviating aspects concerning alternating ventilation units
7.4.1 General
7.4.2 Internal leakage – Exhaust air transfer ratio
36 7.4.3 Determination of air volume flow
40 7.4.4 Electrical power input
41 7.4.5 Performance testing of thermal characteristics
47 8 Classification
8.1 Leakage classification
8.2 Air flow sensitivity classification
48 8.3 Indoor/outdoor airtightness of the complete unit
9 Performance testing of acoustic characteristics
9.1 General
49 9.2 Radiative sound power in the indoor or outdoor space
9.2.1 General
9.2.2 Reverberant room method
9.2.3 Anechoic or semi-anechoic room method
50 9.2.4 Free field method
9.3 Airborne sound insulation
51 10 Test results
10.1 Test report
10.2 Product specifications
10.3 Additional information related to the performance of the product
52 10.4 Leakages
53 10.5 Filter bypass
10.6 Air flow
10.7 Effective power input
54 10.8 Temperature and humidity ratios
10.9 Acoustic characteristics
56 Annex A (normative) Test layouts
59 Annex B (normative) Pressure leakage test method
61 Annex C (normative) Indoor mixing
63 Bibliography

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BS EN 13141-8:2022
$198.66