Riello 40 Installation, Use And Maintenance Instructions page 29

BURNER ELECTRICAL WIRING
~
230V 50Hz
L N
Boilers's
7 pin plug
1 N T1 T2 S3 B4
Burners's
7 pole socket
Yellow/
green
C
N
1 2 3
C
A D
A = Brown D = Black
B = White E = Red
C = Blue
1716
WARNING
DO NOT EXCHANGE THE NEUTRAL WITH THE PHASE
Switch with fuse
6A max.
h
Hour counter
Remote lock-out lamp
(230V - 0.5A max.), if required
D A
L
4 5 6
C
C
D
NOTES:
2
– Wires of 1 mm section.
– The electrical wiring carried out by the installer must
be in compliance with the rules in force in the Country.
See page 3 - Connect the automatic shut-off device
(230V - 0,5A max.) to the clamps N - B4 of the 7 pin plug.
Connect 2
probe between clamps T6 - T8 removing the
bridge. (See page 11: economizer functions).
7 8 11 10
E
B
M
A
~
D
4
GB
nd
stage thermostat or external
Regulating thermostat
T
Limit thermostat
T
with manual resetting
T
2
thermostat
External probe
B5 T6 T7 T8 4 pin plug
4 pole socket
Terminal block of
12
control-box 531SE
E
5
4
3
2
1
6
nd
stage
*
Economizer
D5813