1. New Conventional AV

2. EN54-23 Standard Visual Alarm Devices

3. The purpose of EN 54-23 is to:
EN54-23 Standard
The purpose of EN is to:
Standardize the requirements, test methods and performance criteria of VADs
Ensure light output is now measured in a uniform manner throughout Europe.
Timelines – EN54-23 becomes mandatory from 1ST January 2014 across Europe.
Ensuring Safe Evacuation For All

4. EN54-23 VAD Categories Wall Category Ceiling Category Open Class
The coverage volume code W – x – y,
where W is for Wall, x is the maximum mounting height and y is the width & length of the coverage area in metres
Ceiling Category
The coverage volume code C – x – y,
where C is for Ceiling, x is the maximum mounting height and y is the diameter in metres of the cylindrical coverage volume.
Open Class
Open class allows the manufacturer to specify the coverage volume and coverage shape does and not restrict mounting height. The required illumination of 0.4 lux still applies. y x
Ensuring Safe Evacuation For All

5. Compliance to EN54-23 Standard
Required illumination of 0.4 lux or lm/m2 on a surface perpendicular to the direction of the light emitted from the VAD
The room size must be stated on the product or supporting documentation
Flash rate must be between 0.5Hz and 2Hz
Flash light must be red or white
Ensuring Safe Evacuation For All