Electrical Wiring Diagram; Burner Start-Up Cycle - Riello RDB2.2 BX 15-20 Installation, Use And Maintenance Instructions

7.3

Electrical wiring diagram

~
50Hz - 230V
PE L N
Main switch
T6 A
Safety
thermostat
Limit
thermostat
6 pin plug
6 pole socket
Burner-earth
7.4

Burner start-up cycle

Normal
Thermostat
Motor
Ignition transformer
Valve
Flame
Lock-out lamp
Lock out is indicated by a lamp on the control box 3)(Fig. 1 on
page 9).
20153653
Remote lock-out signal
(230V - 0.5A max.)
Ignition
electrodes
CONTROL BOX
535SE/LD
Flame sensor
Motor
Blue
White
Black
D4238
Capacitor
~ 12s
Electrical wiring
WARNING
TESTING:
Check the shut-down of the burner by opening the thermostats
and the lock-out by darkening the flame sensor.
Oil valve
Fig. 21
Lock-out due to failure to light
20
GB
 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
2
least 1mm . (Unless requested otherwise by
local standards and legislation).
~ 12s ~ 5s
D5229
Fig. 22