Electrical System (Factory Set) - Riello RL 70/M Instrucciones De Instalación, Funcionamiento Y Mantenimiento

6.1

Electrical system (factory set)

RL 70/M
RL 100/M - RL 130/M
Burners RL 70/M - RL 100/M - RL 130/M
 Models RL 70-100-130/M leave the factory preset for 400 V
power supply.
 If 230 V power supply is used, change the motor connection
from star to delta and change the setting of the thermal cut-
out as well.
Electrical system
Key to Layout (Fig. 14) - (Fig. 15)
CMV
LAL 1.25
FR
MB
MV
PO
RT
S1
S2
SM
TA
TB
VM
VS
VS1
VU
15 GB
D1187
D1188
- Motor contactor
- Control box
- Flame sensor
- Terminal strip
- Fan motor
- Oil pressure switch
- Thermal cut-out
- Power switch for different operations:
MAN = manual
AUT = automatic
OFF = off
- Button for:
– = power reduction
+ = power increase
- Servomotor
- Ignition transformer
- Burner ground (earth) connection
- Delivery pump valve
- Delivery pump valve (safety valve)
- Safety valve on return
- Valve on nozzle return
Fig. 14
Fig. 15
2915996