Riello 876 T, Installation, Use And Maintenance Instructions

Page: 54 / 56

20168415 52 GB
Appendix - Electrical panel layout
Wiring layout key
A1 Electrical control box
B Filter to protect against radio disturbance
+BB Burner components
+BC Boiler components
B1 RWF Output power regulator
BA Input in current DC 4...20 mA
BA1 Input in current DC 4...20 mA to modify remote
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, 4 wires
BTEXT External probe for climatic compensation of the
setpoint
BV Input in voltage DC 0...10V
BV1 Input in voltage DC 0...10V to modify remote setpoint
C1 Capacitor
CN1 Ionisation probe connector
D1 Diode
H Remote lockout signalling
H1 Lockout YVPS
h1 Hour counter
ION Ionisation probe
IN Burner manual stop switch
K1 Relay
MV Fan motor
PA Air pressure switch
PGM Maximum gas pressure switch
PGMin Minimum gas pressure switch
PS Reset button with light signal
Q2 Single-phase disconnecting switch
RS Remote burner reset button
S1 Off / automatic / manual selector
S2 Output increase / decrease selector
SM Servomotor
TA Ignition transformer
TL Limit thermostat/pressure switch
TR Adjustment thermostat/pressure switch
TS Safety thermostat/pressure switch
X2 2-pin plug
X4 4-pin plug
X6 6-pin plug
X7 7-pin plug
X9 9-pin plug
XPA Air pressure switch connector
XP1 Socket for modulation kit
XP2 Maximum gas pressure switch connector
XP4 4-pole socket
XP6 6-pole socket
XP7 7-pole socket
XPE Control box earth
XRWF Terminal board for output power regulator RWF
XSM Servomotor connector
XTB Shelf earth
XTM Fan unit earth
XTM Servomotor unit earth
Y Gas adjustment valve + gas safety valve
YVPS Gas valve leak detection device