Gas detector (
Only inputs S1 and S2)
A
B
C
STATUS
A
Without alarm
Delayed
B
pre-alarm
C
Pre-alarm
D
Delayed alarm
Alarm
E
Saved alarm/
F
*
pre-alarm
Detector/
wiring fault
1
The input indicator corresponding to the active detector will turn on.
2
Only if the malfunction is in the detector.
**
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.
3
4
- In the AKO-522044 alarm, the pre-alarm function comes deactivated from the factory. To activate it,
refer to page 16.
- The CO detector (AKO-52215) does not have alarm / pre-alarm delay.
2
D
E
C
ALARM STATION
ACOUSTIC
Off
Off
Off
Off
1
Flashing
On
1
Flashing
On
1
Flashing
Two-tone sound
On
Off
Flashing
3 short tones every
1
On
On
*
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
Pre-alarm
Off
1
2
Off
1
2
Flashing
1
2
Flashing
1
2
1
2
Off
1
2
2 minutes
1
2
23
Alarm level
Pre-alarm
level
C
F
GAS DETECTOR
Slow flashing
3
4
Off
Quick flashing
3
4
Off
Quick flashing
3
4
Off
3
4
Off
3
4
Slow flashing
3
4
Flashing/alternative
4
3
t
Off
On
On
Off
2