27/02/2020
LEAK INDICATING UNIT
LAE
- 11 -
4.2 Displays and Controls
4.2.1 Display
Note:
The light signals are displayed on the keypad as follows:
Individual alarm on channel 1: red LED lights up; if the audible
alarm is acknowledged, the red LED flashes.
Individual alarm on channel 2: yellow LED lights up; if the audible
alarm acknowledged, the yellow LED flashes.
Alarm on channel 1+2: red and yellow LEDs light up; if the audible
alarm is acknowledged, the red and yellow LEDs flash simultane-
ously.
Alarm on channel 3: red + yellow LEDs light up alternately, no dis-
tinction between pending alarm and acknowledgment.
4.2.2 Function "Turn off audible alarm signal"
Press the “mute" button briefly once, the audible signal switches off,
the respective LED (red for channel 1, yellow for channel 2, and flash-
ing red and yellow for channel 3) lights up.
This function is not available during normal operating conditions.
4.2.3 Alarm
In the event of an alarm, acknowledge the audible signal and check
which connected device triggered the alarm. In the event of alarms
from connected leak detection systems, inform the responsible ser-
vice company immediately. In the case of service notifications, have
the necessary measures carried out within the required time frame.
Indicator
lights
Operating
condition
Alarm channel
1
Alarm channel
2
Alarm channel
3
Audible alar
m
acknowledg
ed
OPERA-
TION:
green
ON ON ON ON
ON
ALARM:
red
OFF ON OFF
ON
(flashing)
ON (flashing)
ALARM 2:
yellow
OFF OFF ON
ON
(flashing)
ON (flashing)
Design and Function
