iv
5
Description 5-1
5.1
Functional description 5-1
5.1.1
Measurement channel (M) 5-2
5.1.2
Monitor channel (RM) 5-3
5.1.3
Evaluation channel (RF) 5-3
5.1.4
Variable switch-ON threshold (hysteresis) 5-4
5.1.5
Fixed switch-OFF threshold 5-4
5.1.6
Pre-alarm warning 5-4
5.1.7
Safety switch-OFF times 5-5
5.1.8
Signal outputs 5-6
5.1.9
Impuls divider 5-6
5.1.10
Parallel connection of flame scanners 5-7
6
Operation of the flame amplifier 6-1
6.1
Connection of the flame amplifier 6-1
6.2
Testing the flame amplifier 6-1
6.3
Initial operation of the flame amplifier 6-2
6.4
Factory setting of the flame amplifier 6-2
6.5
Operation settings 6-3
7
Maintenance and servicing 7-1
8
Failures 8-1
9
Order data 9-1