1.11
Wiring diagram
BLUE
BROWN
BLUE
PI
BROWN
VD
2
3
BLACK
BROWN
BLUE
BROWN
L
N
BLUE
CN12
CN11
F
EAR
TRA
Line
L
Neutral
N
Fuse (3.15AT)
F
TRA
Ignition transformer
Pump
PI
Fan
V
Ignition / Detection electrode
EAR
EV
Gas solenoid valve
Domestic hot water sensor
SS
Delivery sensor
SM
To connect the "Air Thermostat" or, alternatively the "Remote Control", remove the bridge between
terminals 5-6.
m
CAUTION
Users must:
– Use an omnipolar cut-off switch, disconnect switch
in compliance with EN Standards which ensures
complete cut-off in overvoltage category III conditions
(i.e. where there is at least 3 mm between the open
contacts)
.
– Respect the connections L (Live) - N (Neutral).
– Ensure that the special power cable is only replaced
with a cable ordered as a spare part and connected
by professionally qualified personnel.
72
SR
CR
SE
TA
1
2
3
4 5 6
EV
CN13
CN15
CN14
CD. 6324920
TA2
SS
TPA
CN3
CN5
CN6
Return Probe
SR
Safety thermostat
TS
Thermal fuse
TFU
SF
Smoke flue gas probe
Flow meter
FLM
Diverter valve
VD
Pressure transducer
TPA
TA-TA2
Air thermostat
External sensor
SE
Remote control (instead of air thermostat)
CR
m
CAUTION
Users must:
– Connect the earth wire to an effective earthing
system. The manufacturer is not responsible for any
damage caused by failure to earth the appliance or
failure to observe the information provided in the
wiring diagrams.
d
IT IS FORBIDDEN
To use water pipes for earthing the appliance.
BLUE
BROWN
V
4 3 2 1
FLM
RED
SF
RED
TS
SM
TFU
EN
Fig. 8