Apollo Fire Detectors
Discovery ASD-1 Product Guide
www.apollo-fire.co.uk
21
8
EN54-20 Certified Detectors
The Discovery Optical point detector has been independently tested and certified for use in the Discovery
ASD-1 system and is suitable for EN54-20 approved Class C installations.
The following table shows the limits that should not be exceeded if the installation is to conform to Class C
requirements. All figures are based on the standard configurations shown in Section 4.7 with a fan speed of 9
unless otherwise stated.
Point Detector
Brand
Point Detector
Model
Sampling Hole Limits
Maximum Pipe
Length (m)
Maximum # Holes
APOLLO
DISCOVERY
Optical
(Mode 1 only)
1 x 8 mm End Hole
50
1
Table 8-1: Tested and Certified Class C Detectors
