Fire threshold – Fire Fighting Enterprises FIRERAY 5000 User Manual
Page 12
This setting is the threshold at which the Detector will detect a fire
Default factory setting=35%
(Set for each Detector)
16. Fire Threshold
Complies with EN54-12 for sensitivity levels between 25% and 35% with a maximum delay to
fire of 20 seconds
UL268 Fire Threshold Ranges:
Distance between
Detector and Reflector
Fire Threshold
Range
8—10m (26.2—32.8ft)
10—18%
10—15m (32.8—49.2ft)
15—25%
15—22m (49.2—72.2ft)
15—35%
22—40m (72.2—131.2ft)
25—50%
40—60m (131.2—196.8ft)
35—50%
60—100m (196.8—328.1ft)
50%
12
• Sensitivity can be adjusted in 1% steps by pressing up or down keys
• Press
to accept setting
EN Approved Sensitivity Ranges: