![background image](http://html.mh-extra.com/html/riello/rls-120-e-fgr/rls-120-e-fgr_installation-use-and-maintenance-instructions_1459758059.webp)
57
20168262
GB
Appendix - Electrical panel layout
Wiring layout key
+BB
Burner components
+BC
Boiler components
A1
Control box for the air/fuel ratio
A2
Adjustment module
A4
Fuel management module
A5
Operator panel
A6
Oxygen control module
B
Filter to protect against radio disturbance
BA2
Load indicator
BP
Pressure probe
BT1
Temperature probe
BT2
Probe Pt1000
BT3
Potentiometer
BTEXT
External probe for climatic compensation of the
setpoint
F1
Fan motor thermal relay
FU
Three-phase power supply fuses
G4
Oxygen probe
H
Remote lockout signal
IN
Burner manual stop switch
K1
Relay “K1” (clean contacts “FLAME ALIGHT”)
K2
Relay “K2” (clean contacts “BURNER LOCK-
OUT”)
K5
Fuel change relay
KMP
Pump motor contact maker
KM
Fan motor contact maker
MP
Pump motor
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
POilMin
Minimum oil pressure switch
POilMax
Maximum oil pressure switch
Q1
Three-phase line disconnecting switch
Q2
Single-phase line disconnecting switch
UV
Flame sensor
RS
Remote burner reset button
S1
On/off selector
S5
Fuel selector
S7
Fuel remote selection selector
SM1
Air servomotor
SM2
Gas servomotor
SM3
FGR servomotor
TA1
Gas ignition transformer
TA2
Oil ignition transformer
TL
Limit thermostat/pressure switch
TPS
3 control points
TS
Safety thermostat/pressure switch
VF-VR
Oil circuit valves
VP1-VP2
Pilot valves
VS-VS1
Oil circuit valves
X1
Burner terminal strip
X2
Valve group terminal board
XPGM
Maximum gas pressure switch connector
XPGMin
Minimum gas pressure switch connector
XPGVP
Gas pressure switch connector for gas leak control
XPOilMax
Maximum oil pressure switch connector
XPoilMin
Minimum oil pressure switch connector
XUV
Flame sensor connector
XVP1-XVP2 Pilot valves connector
Y
Gas adjustment valve + gas safety valve
Summary of Contents for RLS 120/E FGR
Page 2: ...Translation of the original instructions ...
Page 51: ...49 20168262 GB Appendix Electrical panel layout 01 2 3 4506 7 891 01 ...
Page 52: ...20168262 50 GB Appendix Electrical panel layout 0 1 2 2 2 0 ...
Page 54: ...20168262 52 GB Appendix Electrical panel layout 0 0 0 12 3456 7 12 3456 7 ...
Page 57: ...55 20168262 GB Appendix Electrical panel layout 0 0 1 2 3 4 5 667 8 667 2 9 63 8 63 63 3 5 ...