ASSEMBLY DIAGRAM
L
F
N
TA
LEGEND
BM
Modulating coil
Heating circulator
CiR
Ignition electrode
EA
EC
Control electrode
Fuse
F
Flue control
FC
FL
Safety flow-switch
JP1
Methane/LPG selector
Post-circulation selector
JP2
L
Line 230 V 50 Hz
N
Neutral
VD
CiR
RLA
Timer
JP2
Rmax
JP1
X
SS
3
Lock-out warning light
CONTROL PANEL
Slow ignition adjustment
RLA
Rmax. Heating max. power adjustment
SM
Delivery sensor
Hot water sensor
SS
Room thermostat (if any)
TA
TL
Limit thermostat (if any)
Safety thermostat
TST
Timer Boiler timer adjustment
VD
3-way valve
Gas valve
VG
Resistor to be cut for low
X
TST
VG
Jumper to be cut
if limit thermostat
is required
BM
SM
2
1
ON/OFF
Malfunction
warning light
warning light
FC
FL
TL
Panel
connection
temperatures
1
Heating potentiometer
Selector: Off
2
3
Hot water potentiometer
31
EA
EC
Summer
Winter
Reset
Test