Fire Fighting Enterprises FIRERAY 3000 - Manual (Page 11)

11
12. Fire Threshold
This setting is the threshold at which the Receiver will detect a fire. Default factory setting=35%.
(Set for each Receiver).
• Sensitivity can be adjusted in 1% steps by pressing up or down keys
• Press to accept setting
UL268 Fire Threshold Ranges:
EN Approved Sensitivity Ranges:
Distance betweenTransmitter
and Receiver
Fire Threshold Range
5 - 10m (16.4 - 32.8 ft ) 25%
10 - 20m (32.8 - 65.6 ft ) 25 - 30%
20 - 40m (65.6 - 131.2 ft ) 25 - 45%
40 - 60m (131.2 - 196.8 ft ) 35 - 60%
60 - 80m (196.8 - 262.5 ft ) 45 - 60%
80 - 100m (262.5 - 328.1 ft ) 55 - 60%
100 - 120m (328.1 - 393.7 ft ) 60 %
Complies with EN54-12 for sensitivity levels between 25% and 35%, with a maximum delay to
fire of 20 seconds