42
GB
Power supply
c
Danger!
Ensure that no voltage is present
when connecting to the power supply and
during installation.
o
Only operate the gas alarm connected to
a 12 V DC power supply. Connect it either
with the 12 V DC mains adapter (included
in the delivery scope) or to a 12 V DC on-
board power supply system of a car, cara-
van or boat.
o
Before connecting the 12 V DC power
pack to the mains, make sure that the
mains current is 230 V ~ 50 Hz and
in accordance with requirements
12 V DC mains adapter
o
Lead the bare cable ends (approx. 8 mm)
of the 12 V DC connecting cable
f
from
the 12 V DC mains adapter to the terminal
screws
i
in the cable guide
j
. The
cable guide provides strain relief.
o
Attach each cable end to a terminal screw
i
. The polarity is not important for this
connection.
12 V DC onboard power supply system
o
Remove the connecting cable of the mains
adapter from the terminal screws
i
.
o
Equip the connecting cable for the power
supply (12 V DC) in cars, caravans or
boats with a switch.
o
Lead the bare cable ends (approx. 8 mm)
of the 12 V DC connecting cable of the
12 V DC power source to the terminal
screws
i
in the cable guide
j
. The
cable guide helps to prevent strain on the
connections.
o
Attach each cable end to a terminal screw
i
.
The polarity is not important for this con-
nection.
o
Important information regarding on-board
operation: only one power supply may be
connected to the terminal screws
i
,
even if the mains adapter is not plugged in.
The mains adapter will be damaged if a dual
connection (parallel connection) is made.
Installation
c
Danger:
make sure that the gas alarm is
not powered during installation.
o
Remove the mounting fixture
h
from the
rear side of the casing
g
by sliding it
downwards (see Fig. B).
o
Mark the installation position with the aid
of the two round holes in the mounting
fixture
h
.
o
Install the mounting fixture
h
in the cho-
sen and marked position using the fas-
