2323
5
GB
3.4 ELECTRICAL WIRING
CARRIED-OUT IN THE FACTORY
7 pin plug
7 pole socket
h
T
L1
B4
S3
T2
T1
N
Black
White
Blue
Capacitor
Burner-earth
Main switch
T6A
Neutr
al
CONTROL BOX
550SMD
230V
~
50Hz
L
12
3
123
1234
DO NOT EXCHANGE NEUTRAL WITH PHASE
WARNING
Motor
D5521
Heater with start
thermostat
12
Flame detector
Safety
thermostat
T
Black
Blue
Oil valve
Hour counter
(230V - 0.1A max.)
Limit
thermostat
Remote lock-out signal
(230V - 0.5A max.)
Ignition
electrodes
Brown
M
N
Blue
Brown
Black
S7145
NOTES:
– Wires of min. 1 mm
2
section.
(Unless requested oth-
erwise by local standards and legislation).
– The electrical wiring carried out by the installer must
be in compliance with the rules in force in the Country.
*
(See page 4). Connect the automatic shut-off de-
vice (230V - 0.5 A max.) to the clamps N - T2 of the
7 pin plug.
CONTROL BOX
■
To remove the control-box from the burner, loosen screw (A, fig. 10)
after removing all components, the 7 pin plug and earth wire.
During the re-assembly of the control box, retighten the screw
(A) with a torque wrench setting of 1 – 1.2 Nm.
■
For burners installed on air generators, remove the bridge (B, fig. 10)
from the control box.
M
~
TESTING:
Check the shut-down of the
burner by opening the ther-
mostats and the lock-out by
darkening the flame detector.
Fig. 10
E9070
B
A
Green led
(Fan)
Yellow led
(Heater)
Red led
(Lock-out signalling due to failure to shut-down)