Riello RS 45 BLU Installation, Use And Maintenance Instructions page 43

Wiring layout key
A1 - Electrical control box
B - Radio noise filter
+BB - Components on burners
+BC - Components on boiler
C1 - Capacitor
CN1 - Ionisation probe connector
H - Remote lockout signalling
H1 - Lockout YVPS
IN - Manual burner stop switch
ION - Ionisation probe
h1 - Hour counter
h2 - Hour counter 2
K1 - Relay
MV - Fan motor
PA - Air pressure switch
PE - Shelf/burner earth
PGMin - Low gas pressure switch
Q2 - Single–phase knife switch
RS - Remote reset button
S1 - Selector: burner off - on
S2 - Selector: 1st - 2nd stage operation
SM - Servomotor
TA - Ignition transformer
TL - Limit thermostat/pressure switch
TR - Adjustment thermostat/pressure switch
TS - Safety thermostat/pressure switch
Y - Gas regulation valve + gas safety valve
YVPS - Gas valve leak detection control device
XP4 - 4-pole socket
XP6 - 6-pole socket
XP7 - 7-pole socket
X4 - 4-pin plug
X6 - 6-pin plug
X7 - 7-pin plug
Appendix - Electrical panel layout
nd
stage
41 GB
20191684