B4 S3 T2 T1
h
T
ADJUST.
NOTES
– Do not exchange the neutral with the phase and connect exactly the above wiring.
2
– Wire of 1 mm
section.
– Carry out a safe earth connection.
– Verify that the burner stops by operating the boiler control thermostats and that the burner goes
lock out by separating the red ionisation probe lead connector.
– The electric wiring carried out by the installer must be in compliance with the rules in force in
the Country.
BURNER START-UP CYCLE
Thermostat
Motor
Ignition transformer
Valve
Flame
Lock-out
When flame-failure occurs during working, shut down takes place within one second; and the cycle
starts again; a lock-out follows if the flame do not start.
2044
ELECTRICAL WIRING
(to be carried-out by the installer)
7 pin plug
N
L1
6A
N L PE
~
230V
50Hz
Normal
35s min.
6 pin plug
3
2
1 N
TS
Black
1 2 3
VS
V1
Lock-out, due to light-failure
5s max.
6
GB
Ph
Grey
1 2 3
P
GAS
D5127
35s min.
5s max.
D5048