1.11
Wiring diagram
V
PI
BROWN
L
N
BLUE
CN11
EAR
L
N
F
TRA
PI
V
EAR
EV
SS
SM1-2
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.
78
BROWN
BLUE
VD
BLACK
2
BLACK
CN12
CN13
CN14
F
CD .6324900
TRA
Line
Neutral
Fuse (3.15AT)
Ignition transformer
System pump
Fan
Ignition / Detection electrode
Gas solenoid valve
Domestic hot water sensor
Dual sensor (thermal safety/delivery)
CR
SE
TA
TA2
6
5
4
3 2 1
3
EV
CN15
CN3
CN5
CN6
FLM
VD
TPA
TA-TA2
SE
SAUX
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.
SAUX
SS
TPA
SM1
SM2
Flow meter
Diverter valve
Pressure transducer
Air thermostat
External sensor
Auxiliary sensor
Remote control (instead of air thermostat)
EN
FLM
Fig. 6