Riello RDB2.2 15-21 - Control Box Wiring Diagram

3104
18
GB
Electrical system
7.2 Electrical wiring
TESTING:
Check the shut-down of the burner by opening the thermostats
and the lock-out by darkening the photoresistance.
7.2.1 Control box
To remove the control box (Fig. 18) from the burner follow of the
istruction:
 Loosen the screw 1), open the protection 2) and remove all
components.
 Remove the coil 3).
 Loosen the two screws 4).
 Move a little the control box and remove the high voltage
leads.
WARNING
 Do not swap neutral and phase over, follow
the diagram shown carefully and carry out a
good earth connection.
 The electrical wiring carried out by the
installer must be in compliance with the rules
in force in the country.
 The section of the conductors must be at
least 1mm
2
. (Unless requested otherwise by
local standards and legislation).
Fig. 17
Capacitor
LN
~ 50Hz - 230V
Limit
Oil valve
D4240
CONTROL BOX
Photoresistance
535SE/LD
thermostat
Safety
thermostat
Motor
Remote lock-out signal
(230V - 0.5A max.)
Main switch
T6A
Blue
White
Black
PE
Ignition
electrodes
Burner-earth
DANGER
This operation must be performed with the burner
turned off and mains power disconnected.
E9153
4
4
3
12
Fig. 18