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Appendix - Electrical panel layout
A
1
Index of layouts
2
Indication of references
3
Functional layout REC27...
4
Functional layout REC27...
5
Functional layout REC27...
6
Electrical wiring that the installer is responsible for
7
Functional layout RWF40...
2
Indication of references
Wiring layout key
A1
- Control box for the air/fuel ratio
A2
- Operator panel
+BB
- Burner components
+BC
- Boiler components
B
- Filter to protect against radio disturbance
B1
- Output regulator RWF40
B2
- Fuel meter
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, 3 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 set-
point
CN1
- Ionisation probe connector
F1
- Fan motor thermal relay
G1
- Load indicator
G2
- Communication interface for Modbus system
H
- Remote lockout signal
ION
- Ionisation probe
IN
- Manual burner arrest switch
Sheet no.
Co-ordinates
/1.A1
K1
- Clean contacts output relay burner switched on
K2
- Clean contacts output relay burner lockout
KM
- Fan motor contact maker
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 con-
trol 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
X1
- Burner terminal strip
XP1
- Connector for output power regulator kit RWF40
XPD
- Operator panel connector
XPGM
- Maximum gas pressure switch connector
XPGVP
- Gas pressure switch connector for valve leak
detection control device
XRWF
- Terminal board for output power regulator RWF40
Y
- Gas adjustment valve + gas safety valve
45
GB
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