Electrical Wiring - Riello 40 GS10 Installation, Use And Maintenance Instructions

3.4

Electrical wiring

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 leg-

WARNING
islation).
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 series to limit thermostat (TL).
Ionization probe
Electrode
Air pressure
switch
Motor
Capacitor
KEY TO LAY-OUT
B4 – Working signal
CN3 – Connector
h1 – Hour counter
PG – Minimum gas pressure switch
– Remote lock-out signal 
S3
(220V - 0.5 A max.)
T6A – Fuse
TB – Burner earth
TL – Limit thermostat
TS – Safety thermostat
V10 – Safety valve
V11 – Adjustment valve
X6 – 6 pin plug
X7 – 7 pin plug
XP6 – 6 pole socket
XP7 – 7 pole socket
20008491
Connector
Ignition transformer
White
Blue
Brown
Black
Control box
TO BE DONE BY
D9128
THE INSTALLER
6 GB
CARRIED-OUT
IN THE FACTORY
~
220V 60Hz