Operating instructions

10
Controls with open hinged cover flap
For cover flap, see page 8.
Type GC1B
A
C
B
D E F
GH
4 8
°C
s A
A
ON indicator (green)
B
Fault indicator (red)
C
Emissions test switch
(only for service purposes)
D
TEST key
(only for service purposes)
E
Excess temperature reset
F
ON/OFF switch
G
Temperature controller
H
Fuses
Start-up/shutdown
Starting the heating system
5592 669 GB