Riello 3739750 Installation, Use And Maintenance Instructions page 37

3.4 ELECTRICAL WIRING
WARNING
DO NOT EXCHANGE
NEUTRAL WITH PHASE
~
50Hz 230V
N
L
Limit thermostat
with manual
T
resetting
7 pin plug
N
L1
7 pole socket
Ignition
flame control
electrodes
552SE
D5336
S7072
2311
NOTES:
– Wires of 1 mm 2 section .
– The electrical wiring carried out by the installer must be in
– Connect 2nd stage thermostat between clamps T6 - T8
Switch with fuse
6A max.
Regulating thermostat
T
T1 S3 B4
T2
Brown
Blue
Brown
Blue
Black
White
Blue
Burner-earth
Fig. 11
To remove the control-box from the burner, loosen screw (A, Fig. 11) after
removing all components, the 7 pin plug and earth wire.
In case of disassembly of the flame control, retighten the screw (A)
with a torque wrench setting of 1 – 1.2 Nm.
A
compliance with the rules in force in the Country.
by removing the bridge.
TESTING: Check the shut-down of the burner by opening
the thermostats and the lock-out by darkening
the flame sensor.
st
1 stage
h
hour counter
(230V - 0.1A max.)
Remote lock-out lamp
(230V - 0.5A max.)
Flame sensor
nd
2 stage oil valve
2 1
5 GB
nd
2 stage hour counter
h
(230V - 0.1A max.)
n nd
2 stage
T
thermostat
4 pin plug
T6 T7 T8
B5
4 pole socket
st
1 stage oil valve
M
~
3 2 1
M
ELECTRONIC
DELAYING DEVICE