3.6
ELECTRICAL WIRING
ATTENTION:
®
Do not swap neutral and phase over, follow the diagram shown carefully and carry out a good earth con-
nection.
®
The section of the conductors must be at least 1mm². (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.
~
230V
50Hz
L
N
T
Safety
thermostat
7 pin plug
L1
N
7 pole socket
Ignition
electrodes
CONTROL BOX
552SE
A
3023
*
(See page 4). Connect the automatic shut-off device (230V - 0.5A max.)
to the clamps N - B4 of the 7 pin plug.
Connect 2nd stage thermostat between clamps T6 - T8 by re-
I
moving the bridge.
Main switch
TESTING: Check the shut-down of the burner by opening the thermo-
T6A
Limit thermostat
T
T1
T2
S3
B4
Brown
Blue
Brown
Blue
Black
White
Blue
nd
2
stage oil valve
Burner-earth
Fig. 11
CONTROL BOX, (see fig. 11)
To remove the control box from the burner, you must :
disconnect all connectors connected to it, the 7-pin plug, high-voltage
®
cables and earth wire ;
unscrew the screw (A, fig. 11) and pull the control box in the direction indi-
®
cated by the arrow .
To install the control box, you must :
®
tighten the screw (A) with a driving torque of 1 to 1.2 Nm ;
S7217
®
connect all connectors you disconnected earlier .
stats and the lock-out by darkening the photoresistance.
st
1
stage
h
hour counter
(230V - 0.1A max.)
Remote lock-out lamp
(230V - 0.5A max.)
Photoresistance
2 1
6 GB
nd
2
stage hour counter
h
(230V - 0.1A max.)
nd
2
stage
T
thermostat
4 pin plug
B5
T6
T7
T8
4 pole socket
st
1
stage oil valve
M
~
3 2 1
M
ELECTRONIC
DELAYING DEVICE
D5336