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3.4 ELECTRICAL WIRING
230V ~ 50Hz
L
Limit thermostat
with manual
T
resetting
7 pin plug
L1
7 pole socket
Ignition
electrodes
CONTROL BOX
D5027
3.5 SETTING OF DIFFUSER DISC /
ELECTRODES
ATTENTION
Loosen screw (3) to set the
diffuser disc-holder assembly
(1) and loosen screw (4) to set
the electrodes assembly (2),
(see fig. 11).
To have access to the electrodes
carry out operation as described in
chapter 4.1 (page 6) "RECOM-
MENDED NOZZLES".
2301
WARNING
N
Switch with fuse
6A max.
Regulating
thermostat
T
N
T1
T2
S3
B4
Brown
Blue
552SE
Burner-earth
Fig. 11
D5735
WARNING
Do not exchange neutral with 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.
Hour counter
h
(230V - 0.1A max.)
Remote
lock-out lamp
(230V - 0.1A max.)
Photoresistance
Oil valve
Motor
Black
M
White
Blue
Capacitor
0
4.5
– 0.5 mm
2
3
5
GB
TESTING:
Check the shut-down of the burn-
er by opening the thermostats
and the lock-out by darkening
the photoresistance.
S7186
To remove the control-box from
the burner, loosen screw (A, fig. 10)
after removing all components,
the 7 pin plug and earth wire.
In case of disassembly of the
c o n t r o l b o x , r e t i g h t e n t h e
screw (A) with a torque wrench
setting of 1 – 1.2 Nm.
MEASURES
WARNING
MUST BE RESPECTED
±
2.5
0.2 mm
4
0
1
3
+ 0.5 mm
Fig. 10
A
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