18
The wiring scheme to be carried out by technician are:
—
Power Supply Line
—
Thermostats Line
—
Eventual blocking lamp and/or hour-meter
ATTENTION:
—
Do not invert neutral with phase.
—
Ensure a good earth connection.
—
Bridge 3-8 on LOA/LMO base is found only on versions withouth preheater.
INDEX
CO HOUR-METER
FUSE
F
FA ANTI-INTERFERENCE FILTER
PHOTORESISTANCE
FR
IG
MAIN SWITCH
LS
SAFETY LAMP
MA CONTROL BOX TERMINAL STRIP
MB BURNER MOTOR
PB BURNER CONNECTOR
PR PREHEATER
SC PLUG
TA-TC BOILER ENVIRONMENT THERMOSTAT
IGNITION TRANSFORMER
TR
TS
SAFETY THERMOSTAT
Tm MIN. PR THERMOSTAT
VE ELECTROMAGNETIC VALVE
WIRING SCHEME
1
2
2 2 3 4 5 6 7 8
MA
FA
M
MB
VE
CO
9
101112
Tm
PR
TR
PB
B4
S3
T2 T1 N
L1
SC
TS
H
Z
TC-TA
F
LS
IG
N
N
L
N
FR