33
LEGEND
BM
Modulating coil
CiR
Heating circulator
EA
Ignition electrode
EC
Control electrode
F
Fuse
FL
Safety flow switch
JP1
Methane/LPG selector
JP2
Post-circulation selector
L
Line 230 V 50 Hz
N
Neutral
PA
Air pressure switch
RLA
Slow ignition adjustment
Rmax.
Heating max. power adjustment
SM
Delivery sensor
SR
Return sensor
SS
Hot water sensor
TA
Room thermostat (if any)
TL
Limit thermostat (if any)
TST
Safety thermostat
Timer
Boiler timer adjustment device
VG
Gas valve
VN
Fan
X
Resistor to be cut for low
temperatures
1
Heating potentiometer
2
Selector: Off
Summer
Winter
Reset
Test
3
Hot water potentiometer
Spia blocco
PANNELLO COMANDO
3
2
1
Spia ON/OFF
Spia anomalie