NEN EN 721 : 2004
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
LEISURE ACCOMMODATION VEHICLES - SAFETY VENTILATION REQUIREMENTS
11-01-2019
01-12-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 General
4.2 Ingress of products of combustion
4.3 Avoidance of obstructions
4.4 Ventilator grilles
5 Minimum free area of safety ventilation, by calculation
5.1 General
5.2 Sizes of ventilation openings in habitation compartments
5.2.1 Habitation compartments containing non-room-sealed
appliances
5.2.2 Habitation compartments greater than 10 m[2] floor
area
5.2.3 Other habitation compartments
6 Testing
6.1 Preparation
6.2 Procedure
6.3 Test report
7 User's handbook
Annex A (normative) Warning notice
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