
1718
4
GB
BURNER ELECTRICAL WIRING
(50V)
Motor
Capacitor
Regulating thermostat
Neutr
al
Switch with fuse
6A max.
M
~
230V
~
50Hz
L
N
Limit thermostat
with manual resetting
Remote lock-out lamp
(230V - 0.5A max.), if required
1
N T1 T2 S3 B4
1
2
T
T
D5807
CARRIED-OUT IN THE FACTORY
Burners’s
7 pole socket
3
4
5
6
7
8
9
11
12
N
L
Yellow/
1
st
V
alv
e
Hour counter
h
WARNING
DO NOT EXCHANGE THE NEUTRAL WITH THE PHASE
NOTES:
– Wires of 1 mm
2
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.
Boilers’s
7 pin plug
green
C
D
A
E
C
A D
C
D
A
C
D
B
2
nd
V
alv
e
Terminal block of
control-box 530SE
*
4
6
3
2
1
5
2061425
Economizer
B5 T6 T7 T8
4 pin plug
4 pole socket
T
●
2
nd
stage
thermostat
●
External probe
A =
Brown
B =
White
C =
Blue
D =
Black
E =
Grey
●
Connect 2
nd
stage thermostat or external
probe between clamps T6 - T8 removing the
bridge.
(See page 10: economizer functions).