Riello RS 310/E ULX Installation, Use And Maintenance Instructions page 77

Wiring layout key
A1 Flame control
A2 Display and calibration unit
B1 Output regulator RWF50 internal
B2 Fuel meter
BA Probe with output under current
BA1 Device with output under current, for modifying re-
mote setpoint
BP Pressure probe
BP1 Pressure probe
BR Remote setpoint potentiometer
BT1 Thermocouple probe
BT2 Probe Pt100, 2 wires
BT3 Probe Pt100, 3 wires
BT4 Probe Pt100, 3 wires
BTEXT External probe for climatic compensation of the set-
point
BV Output probe in voltage
BV1 Output device in voltage to modify remote setpoint
F1 Fan motor thermal relay
FU Auxiliary circuits safety fuse
G1 Load indicator
G2 Communication interface for Modbus system
H Burner working lighting signal output
IN Burner manual stop electric switch
ION Ionisation probe
KL1 Star/triangle starter line contactor
KT1 Star/triangle starter triangle contactor
KS1 Start/triangle starter star contactor
KST1 Star/triangle starter timer
K1 Clean contacts output relay burner switched on
K2 Clean contacts output relay burner lockout
MV Fan motor
PA Air pressure switch
PE Burner earth
PGMax Maximum gas pressure switch
PGMin Minimum gas pressure switch
PGVP Gas pressure switch for valve leak detection control
device
RS Burner reset switch
S2 ON/OFF selector
SM1 Air servomotor
SM2 Gas servomotor
TA Ignition transformer
TL Limit thermostat/pressure switch
TR Adjustment thermostat/pressure switch
TS Safety thermostat/pressure switch
Y Gas regulator valve + gas safety valve
X1 Terminal board for main supply
XPD Plug for on board display
XPGMax Maximum gas pressure switch connector
XPGMin Minimum gas pressure switch connector
XPGVP Gas pressure switch connector for valve leak detec-
tion control device
XRWF Terminal board for output power regulator RWF50
Appendix - Electrical panel layout
75 GB
20205048