CONTROL BOX
To remove the control-box from the burner, loosen screw (A, fig. 11) and pull
to the arrow direction, after removing all components, the 7 pin plug and
earth wire.
In case of disassembly of the control box, retighten the screw (A) with a
torque wrench setting of 1 – 1.2 Nm.
7 pin plug
7 pole socket
h
L1
B4S3
T2
T1
N
Black
White
Blue
Capacitor
Burner-earth
Main switch
T6A
Neutral
CONTROL BOX
552SE
~
50/60Hz 220/230V
N
1
2
3
Photoresistance
T
Blue
Ignition
electrodes
Brown
L
T
h
T
2
nd
stage oil valve
T8
T7
T6B5
4 pin plug
4 pole socket
Blue
Black
White
Blue
Brown
2 1
3 2 1
M
~
ELECTRONIC
DELAYING DEVICE
●
2
nd
stage
Motor
thermostat
M
1
2
1
2
3
M
CARRIED-OUT IN THE FACTORY
1
st
stage oil valve
D4958
Limit thermostat
Remote lock-out signal
(230V - 0.5A max.)
Safety
1
st
stage
hour counter
(230V - 0.1A max.)
2
nd
stage hour counter
(230V - 0.1A max.)
Brown
Blue
S7120
Fig. 11
A
NOTES:
– Wires of min. 1 mm
2
section. (Unless requested otherwise
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.
●
Connect 2nd stage thermostat between clamps T6 - T8
by removing the bridge.
TESTING: Check the shut-down of the burner by opening
the thermostats and the lock-out by darkening
the photoresistance.
thermostat
TO BE DONE BY THE INSTALLER
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