Riello 20148874 - Page 85

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20152192
GB
Appendix - Electrical panel layout
Wiring layout key
+BB Components on burner
+BC Components on boiler
A1 Control box LME7...
AZL Display and operating unit
B Suppressor
BA Input under current 4...20 mA DC
BP Pressure probe
BP1 Pressure probe
BT2 Probe Pt100 with 2 wires
BT3 Probe Pt100 with 3 wires
BT4 Probe Pt100 with 3 wires
BV Probe with voltage output
B1 Internal output power regulator RWF50.2
CN1 Ionisation probe connector
FFuse
FU Control box fuse
H Lock-out signal burner external
H1 Signal light for burner on
KMV Fan motor contactor/relay
KP Timer for pilot valve
KV Timer for main valve
K5 Burner lock-out voltage free contact relay
K6 Fuelled burner ON clean contacts output relay
ION Ionisation probe
MV Fan motor
PGMin Minimum gas pressure switch
Q1 Main switch
Q2 Auxiliary switches
RS Reset button external burner
SH3 Burner reset button and lockout warning
S1 Burner switch ON/OFF
TA Ignition transformer
TL Limit thermostat/pressure switch
TR Safety thermostat/pressure
TS Adjustment thermostat/pressure
V1 Gas valve 1
V2 Gas valve 2
VP1 Pilot gas valve
VP2 Pilot gas valve
X... Control box connectors
X1 Main supply terminal strip
XM... Fan motor connectors
XTB Burner earth
XPE... Main earth
XP1 RWF50.2 kit socket
XRWF Output power regulator RWF50.2 terminal strip
XTA Earth transformer
XTV Fan earth
Y Main gas train
Y1 Pilot gas train