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Appendix - Electrical panel layout
A
Wiring layout key
- Control box for the air/fuel ratio
A1
- Operator panel
A2
- Filter to protect against radio disturbance
B
- Burners components
+BB
- Boiler components
+BC
- Output regulator RWF40
B1
- Fuel meter
B2
- Input in current DC 4...20 mA
BA
- Input in current DC 4...20 mA to modify remote
BA1
setpoint
- Pressure probe
BP
- Pressure probe
BP1
- Remote setpoint potentiometer
BR
- Thermocouple probe
BT1
- Probe Pt100, 2 wires
BT2
- Probe Pt100, 3 wires
BT3
- Probe Pt100, 3 wires
BT4
- External probe for climatic compensation of the
BTEXT
setpoint
- Input in voltage DC 0...10V
BV
- Input in voltage DC 0...10V to modify remote set-
BV1
point
- Ionisation probe connector
CN1
- Fan motor thermal relay
F1
- Load indicator
G1
- Communication interface for Modbus system
G2
- Hour counter
h1
- Remote lockout signal
H
- Ionisation probe
ION
- Manual burner arrest switch
IN
- Burner lockout clean contact relay
K1
- Flame present clean contact relay
K2
- Fan motor relay
KM
- Fan motor
MV
- Air pressure switch
PA
- Burner earth
PE
20022445
- Maximum gas pressure switch
PGM
- Minimum gas pressure switch
PGMin
- Gas pressure switch for valve leak detection con-
PGVP
trol device
- Three-phase disconnecting switch
Q1
- Single phase disconnecting switch
Q2
- Remote burner reset button
RS
- On/off selector
S1
- Air servomotor
SM1
- Gas servomotor
SM2
- Ignition transformer
TA
- Limit thermostat/pressure switch
TL
- Adjustment thermostat/pressure switch
TR
- Safety thermostat/pressure switch
TS
- Fuse
T6A
- Burner terminal strip
X1
- 4 pin plug
X4
- 5 pin plug
X5
- 6 pin plug
X6
- 7 pin plug
X7
- Connector for output power regulator kit RWF40
XP1
- 4 pole socket
XP4
- 5 pole socket
XP5
- 6 pole socket
XP6
- 7 pole socket
XP7
- Operator panel connector
XPD
- Maximum gas pressure switch connector
XPGM
- Gas pressure switch connector for valve leak
XPGVP
detection control device
- Terminal board for output power regulator RWF40
XRWF
- Gas servomotor connector
XSM1
- Air servomotor connector
XSM2
- Burner shelf
XTM
- Gas adjustment valve + gas safety valve
Y
45
GB
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