Riello RS 55/E BLU - Page 71

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Appendix - Electrical panel layout
Wiring layout key
A1 Control box for the air/fuel ratio
A2 Operator panel
B Filter to protect against radio disturbance
+BB Burners components
+BC Boiler components
B1 Output regulator RWF
B2 Fuel meter
BA Input in current DC 4...20 mA
BA1 Input in current DC 4...20 mA to modify remote set-
point
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 Input in voltage DC 0...10V
BV1 Input in voltage DC 0...10V to modify remote setpoint
CN1 Ionisation probe connector
F1 Fan motor thermal relay
G1 Load indicator
G2 Communication interface for Modbus system
h1 Hour counter
H Remote lockout signal
ION Ionisation probe
IN Manual burner arrest switch
K1 Burner lockout clean contact relay
K2 Flame present clean contact relay
KM Fan motor relay
MV Fan motor
PA Air pressure switch
PE Burner earth
PGM Maximum gas pressure switch
PGMin Minimum gas pressure switch
PGVP Gas pressure switch for valve leak detection control
device
Q1 Three-phase disconnecting switch
Q2 Single phase disconnecting switch
RS Remote burner reset button
S1 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
T6A Fuse
X1 Burner terminal strip
X4 4 pin plug
X5 5 pin plug
X6 6 pin plug
X7 7 pin plug
X9 Connector for operation without RWF output power
regulator kit
XP1 Connector for output power regulator kit RWF
XP4 4 pole socket
XP5 5 pole socket
XP6 6 pole socket
XP7 7 pole socket
XPD Operator panel connector
XPGM Maximum gas pressure switch connector
XPGVP Gas pressure switch connector for valve leak detec-
tion control device
XRWF Terminal board for output power regulator RWF
XSM1 Gas servomotor connector
XSM2 Air servomotor connector
XTM Burner shelf
Y Gas adjustment valve + gas safety valve