tening screws and wall plugs supplied
with the gas alarm.
o
Push the gas alarm flush from above onto
the mounting fixture
h
.
Operation
Once the power supply has been connected
properly, an automatic self-test is carried out:
the gas alarm emits several loud alarm signals
and at the same time the red ALARM LED
c
on the front of the casing
a
flashes. The green
POWER LED
d
then lights up to indicate that
the device is ready for operation (see Fig. A)
12 V DC mains adapter
Switching on:
o
Plug the mains adapter directly and fully
into a 230 V~50 Hz mains socket. Do not
use any type of tabletop socket or exten-
sion cable, since these can cause inter-
ruptions in the power supply.
Switching off:
o
Remove the mains adapter from the
mains socket.
12 V DC on-board supply system
Switching on:
o
Switch the 12 V DC on-board power supply
on.
Switching off:
o
Switch the 12 V DC on-board power supply
off.
Alarm in the event of a gas leak
The gas alarm detects a gas leak with the sensor.
If the concentration of gas at the sensor exceeds
the pre-set sensitivity threshold on the gas alarm,
the alarm responds: the red ALARM LED
c
flashes and the loud alarm signal is emitted.
The alarm continues until the gas concentration
falls back to below the pre-set sensitivity level.
Follow the instructions in the section
„What to do in the event of a gas leak“
Function test
Use a gas lighter to test the function of the gas
alarm.
o
Allow gas to escape from the gas lighter
directly next to the lower or side sensor
opening
k
.
o
Make sure that there is no flame on the
lighter. The gas alarm detects the gas
with the sensor. If the gas concentration
at the sensor exceeds the pre-set sensi-
tivity threshold, the alarm responds: the
red ALARM LED
c
flashes and the loud
alarm signal is emitted.
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