Control Box; Photoresistance - Riello G20 Installation, Use And Maintenance Instructions

Burner-earth
Oil valve
TESTING
Check the shut-down of the burner by opening the thermostats.
7.2.1

Control box

This operation must be performed with the burner
turned off and mains power disconnected.
DANGER
To remove the control box from the burner, loosen screw
A)(Fig. 16) and pull towards the arrow.
Run of the electrical cable (Fig. 16)
1 Grommet
2 Cable clamp
3 Terminal board
7.2.2

Photoresistance

The photoresistance (Fig. 17) is fitted directly into the control box
(underneath the ignition transformer) on a plug-in support.
2903443
Electrical system
~
50Hz - 230V
N L
Main switch
Fuse T6A
N
1 2 3 4
Capacitor
N Neutral
L Phase
Burner-earth
Lock-out lamp
L
Remote lock-out signal
(230V - 0.5A max.)
5 6 7 8
M
~
Black
Motor
D5228
Ignition transformer
Photoresistance
18 GB
TO BE COMPLETED
BY THE INSTALLER
Limit
T
thermostat
Safety
T
thermostat
Terminal board
9
of control box
CARRIED-OUT
IN THE FACTORY
Fig. 15
S7183
Fig. 16
S7057
Fig. 17