GB-3
D
GB
NL
RUS
PL
F
E
UA
CN
Connecting the gas supply
▷
If the heater is suspended on chains, use an
approved flexible gas hose.
Disconnect the system from the electrical power
supply.
Shut off the gas supply.
Remove the sealing plug at the inlet tube of the
gas combination control CG.
4
Connect the gas pipe with threaded connec-
tion (R ½" external thread) or gas hose, see
page 20 (Accessories), to the inlet tube of
the gas combination control.
▷
Use approved sealing material only.
▷
Note the maximum inlet pressure, see page 23
(Technical data).
Tightness test
Disconnect the system from the electrical power
supply. The mains plug may only be pulled out
once the device has been switched off.
▷
The valves are closed when de-energized.
Open the cover of the ACU.
MODE
RESET
ON/OFF
▷
To do so, turn the cross-head screw anti-clock-
wise several turns so that it can be lifted.
Open the test point for p
u
on the CG.
4
Connect a pressure gauge to test point p
u
.
+ -
+
-
0
p
u
5
Switch on the power supply.
6
Release the gas supply.
▷
Inlet pressure p
u max.
= 70 mbar.
7
Shut off the gas supply.
8
Check the gas pressure on the pressure gauge.
▷
The pressure must not drop.
Wiring
CAUTION
Danger of electric shocks!
– Before working on possible live components,
ensure the unit is disconnected from the power
supply.
Disconnect the system from the electrical power
supply. The mains plug may only be pulled out
once the device has been switched off.
Shut off the gas supply.
Open the housing cover of the ACU.
▷
To do so, turn the cross-head screw anti-clock-
wise several turns so that it can be lifted.
4
Open the cover of the burner control unit.
