Riello 3470510 Installation, Use And Maintenance Instructions page 37

WIRING DIAGRAM KEY
A Electrical control box
+BB Components on burners
+BC Components on boiler
C1 Capacitor
FR Photocell
H Remote lockout signalling
h1 Hour counter
IN Manual burner arrest switch
MV Fan motor
Q2 Single phase knife switch
RS Remote burner reset button (accessory)
TA Ignition transformer
TL Extreme thermostat/pressure switch
TS Safety thermostat/pressure switch
V1 Ignition solenoid
V2 Operating solenoid
XP7 7 pole socket
X7 7 pin plug
XTB Shelf earth
Appendix - Electrical panel layout
35 GB
6426