6.- Operation
A
B
C
STATUS
A
Delay
Delayed
B
pre-alarm
C
Pre-alarm
Delayed
D
alarm
E
Alarm
Saved alarm /
F
*
pre-alarm
Detector /
wiring fault
Without
power supply
**
If during the delay time of a pre-alarm the gas concentration increases to the alarm value, for safety reasons,
the pre-alarm delay will be cancelled, activating the signalling in the station.
D
E
C
ALARM STATION
ACOUSTIC
Off
Off
Off
Off
Flashing
On
Flashing
On
Flashing
On
Two-tone sound
Off
Flashing
3 short tones
On
On
every 2 minutes
Off
Off
*
Saved alarm / pre-alarm
They let us check if any alarm / pre-alarm has triggered during our absence.
Mute/reset button
During an alarm, it silences the acoustic alarm, in delay (without alarm), deletes the
existing saved alarms.
**
F
B
D
E
RELAYS
ALARM
Alarm
alarm
Off
1
2
3
4
Off
1
2
3
4
Flashing
1
2
3
4
Flashing
1
2
3
4
1
2
3
4
Off
1
2
3
4
1
2
3
4
Off
1
2
3
4
12
Alarm level
Pre-alarm
level
C
F
GAS DETECTOR
Pre-
Slow flashing
Off
5
6
Off
Quick flashing
5
6
Off
Quick flashing
5
6
Off
On
5
6
Off
On
5
6
Slow flashing
Off
5
6
Flashing / alternative
5
6
Off
Off
5
6
t