Electrical Wiring; Burner Start-Up Cycle - Riello R40 GS20D Montage Und Bedienungs Anleitung

6 pin plug
Ph
N
1 2 3
D5891
Connect 2nd stage thermostat between clamps T6 and T8 removing the bridge.
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

Normal
Thermostat
Motor
Ignition transformer
1 st valve
1 st flame
2 nd valve
2 nd flame
Lock-out
When flame-failure occurs during working, shut down takes place within one second.
2049

ELECTRICAL WIRING

(to be carried-out by the installer)
4 pin plug
2
1 3
T8 T7 T6 B5
Grey Black
1 2 3
P
VS
GAS
2s max.
5s 64s 10s
B4 S3 T2 T1
2 st. 1 st.
T
h
h
2 st.
T
ADJUST.
V1 V2
Lock-out, due to light-failure
5s
6
GB
7 pin plug
N L1
TS
6A
N L PE
~
230V 50Hz
64s 2s max.
D5103