Electrical System (Factory Set); Electrical Connections - Riello RL 190 Installation, Use And Maintenance Instructions

5.1

Electrical system (factory set)

Key to wiring diagram (Fig. 14)
CMV - Motor contactor
FR - Photoresistor
I1 - Switch: burner off - on
I2 - Switch: 1st - 2nd stage operation
MB - Terminal strip
MV - Fan motor
RMO88.53A2 - Control box
RT - Thermal cut-out
TA - Ignition transformer
TB - Burner ground (earth) connection
V1 - 1st stage solenoid valve
V2 - 2nd stage solenoid valve
VS - Safety solenoid valve
XP1 - Connector for STATUS
NOTE:
For remote-reset, connect a push-button switch (NO) be-
tween terminal 3 and neutral of the control box (terminals 15,
16, 17 and 18).
6074
Electrical system
5.1.1

Electrical connections

Set up by the installer
Use flexible cables according to regulation EN 60 335-1:
 if in PVC boot, use at least H05 VV-F
 if in rubber boot, use at least H05 RR-F.
All the cables to be connected to the burner terminal strip
8)(Fig. 15) must be routed through the fairleads.
The fairleads and precut holes can be used in various ways. One
example is given below:
1 Pg 13,5
2 Pg 11
3 Pg 11
4 Pg 9
5 Pg 9
6 Pg 11
7 Pg 13,5
14 GB
D3229
Three-phase power supply
Single-phase power supply
Control device TL
Control device TR
Set up for faird lead
Set up for faird lead
Set up for faird lead
Fig. 14
D3312
Fig. 15