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3.4
ELECTRICAL WIRING
3.4.1 STANDARD ELECTRICAL WIRING
Ionization probe
Electrode
Ignition transformer
Air pressure
switch
Motor
Blue
White
Black
Blue
Black
Brown
Air damper actuator
CARRIED-OUT
IN THE FACTORY
TO BE DONE BY
THE INSTALLER
ATTENTION:
®
Do not swap neutral and phase over, follow the diagram shown carefully and carry out a good earth connection.
®
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.
®
Verify that the burner stops by operating the boiler control thermostats and that the burner locks out by separating
the red ionisation probe lead connector.
NOTES
The burners have been type-approved for intermittent operation. This means they must stop at least once every 24 hours in
order to allow the electrical control box to check its efficiency on start-up. The boiler limit thermostat (TL) normally ensures
the burner halts. If this does not happen a time switch halting the burner at least once every 24 hours must be applied in se-
ries to limit thermostat (TL).
2728
Connector
RMG 88.620A2
D4198
Burner earth
Control box
~
230V
50Hz
5
GB
KEY TO LAY-OUT
XP6 – 6 pole socket
XP7 – 7 pole socket
X6 – 6 pin plug
X7 – 7 pin plug
B4 – Working signal
h1 – Hour counter
PG – Minimum gas pres-
sure switch
S3 – Remote lock-out
signal
(230V - 0.5 A max.)
T6A – Fuse
TL – Limit thermostat
TS – Safety thermostat
V10 – Safety valve
V11 – Adjustment valve
ATTENTION
In the case of phase-
phase feed, a bridge
must be fitted on the
control
box
terminal
board between terminal
6 and the earth terminal.
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