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6.2
Electrical wiring
The section of the conductors must be at
least 1mm
local standards and legislation).
Connect 2
WARNING
clamps T6 - T8 removing the bridge.
230V ~ 50Hz
L
N
Boilers's
1
N T1 T2 S3 B4
7 pin plug
Burners's
7 pole socket
Yellow/
green
C
Burner-earth
N
1
2
3
C
A D
D5822
2903397
Electrical system
2
. (Unless requested otherwise by
nd
stage thermostat between
Main switch
Fuse T6A
h
Hour counter
Remote lock-out lamp
(230V - 0.5A max.), if required
D
A
E
L
4
5
6
7
B
C
M
~
D
Motor
Capacitor
The burner is provided with a 7 pole socket for the direct electrical
connection to the boiler's plug (Fig. 14).
Should the boiler be without plug, it is then necessary:
– remove the socket and respective cable mounted on the burn-
er;
– carry out the electrical connection direct to the wiring terminal
block of the burner as shown on the diagram Fig. 15.
TESTING
Check the shut-down of the burner by opening the thermostats.
Key of the wires colour
A - Brown
B - White
D - Black
E - Grey
T
Limit thermostat
T
Safety thermostat
B5 T6 T7 T8
12
8
9
11
C
A
D
16
GB
C - Blue
nd
2
stage thermostat
T
4 pin plug
4 pole socket
Terminal block
of control box
Electronic start
delaying device
4
5
6
3
2
1
Fig. 14
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