Electrical Wiring - Riello RDB4 Installation, Use And Maintenance Instructions

7.3

Electrical wiring

Key (Fig. 19)
C Capacitor
E Ignition electrodes
F Flame detector
MV Fan motor
P Short -circuit socket
RS Remote reset button
SB Remote lock-out signal (230VAC - 0,5A max.)
T4A Fuse
TB Burner-earth
TL Limit thermostat
TS Safety thermostat
V Oil valve
Test the burner verifing the shut-down by opening
the thermostats and the lock-out by darkening the
photoresistance.
WARNING
Electrical system
~
50Hz - 230V
Blue
White
CONTROL BOX
MO535-MRSF - MKIII.3
Black
➤ Do not invert the neutral with the phase in the
electrical supply line.
➤ Check that the electrical supply of the burner
WARNING corresponds to that shown on the identifica-
tion label and in this manual.
➤ The section of the conductors must be at
least 1mm
local standards and legislation).
If the cover is still present, remove it and proceed
with the electrical wiring according to the wiring di-
agrams.
CAUTION
Use flexible cables in compliance with the
EN 60335-1 standard.
17 GB
20073457
2
. (Unless requested otherwise by
Fig. 19
20071933