1951
5
GB
3.4
ELECTRICAL WIRING
DO NOT EXCHANGE
NEUTRAL WITH PHASE
WARNING
To remove the control-box from the burner, loosen screw (A, fig. 11) 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.
Fig. 11
S7072
A
7 pin plug
7 pole socket
h
L1
B4
S3
T2
T1
N
Black
White
Blue
C
a
p
a
c
it
o
r
Burner-earth
Main switch
T6A
N
e
u
tr
a
l
CONTROL BOX
552SE
~
50Hz 230V
N
1
2
3
Photoresistance
T
Blue
Ignition
electrodes
Brown
L
T
h
T
2
nd
stage oil valve
T8
T7
T6
B5
4 pin plug
4 pole socket
Bl
u
e
B
la
c
k
W
h
it
e
B
lu
e
Br
o
w
n
2 1
3 2 1
M
~
ELECTRONIC
DELAYING DEVICE
■
2
nd
stage
M
o
to
r
thermostat
M
1
2
1
2
3
M
C
A
R
R
IE
D
-O
U
T
I
N
T
H
E
F
A
C
T
O
R
Y
1
st
stage oil valve
D5336
Limit thermostat
Remote lock-out signal
(230V - 0.5A max.)
1
st
stage
hour counter
(230V - 0.1A max.)
2
nd
stage hour counter
(230V - 0.1A max.)
Brown
Blue
Safety thermostat
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.
■
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.
