NEN EN 1886 : 2007

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Mechanical strength of casing
4.1 Requirements and classification
4.2 Testing
5 Casing air leakage
5.1 Requirements and classification
5.2 Testing
5.3 Test procedure
5.4 Determination of allowable leakage rates
6 Filter bypass leakage
6.1 Requirements
6.2 Testing
7 Thermal performance of casing
7.1 General
7.2 Requirements and classification
7.3 Testing
8 Acoustic insulation of casing
8.1 General
8.2 Test requirements
8.3 Test method
8.4 Test procedure
8.5 Evaluation of the sound insertion loss De
9 Fire protection
9.1 General
9.2 Classification
9.3 Requirements
10 Mechanical safety

Provides test procedures, requirements and classifications for air handling units which are supplying and/or exhausting air, via ductwork, for ventilating/conditioning a part or the whole of the building.