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1.11
Wiring diagram
PI
BLACK
BROWN
L
N
BLEU
CN11
EAR
L
N
F
TRA
PI
TF
EAR
EV
SS
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.
38
VD
2
BLACK
3
EV
CN12
CN13
CN14
F
TRA
Line
Neutral
Fuse (3.15AT - 250V)
Ignition transformer
System pump
Smoke thermostat
Ignition / Detection electrode
Gas solenoid valve
Domestic hot water sensor
CR
SE
TA
6
5
4
3
CN15
CN3
CN5
CN6
SM1
Dual sensor (thermal safety/delivery)
SM1-2
FLM
Flow meter
Diverter valve
VD
Water pressure switch
PA
Air thermostat
TA
External sensor
SE
CR
Remote control (instead of air thermostat)
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.
EN
SS
PA
FLM
TF
SM2
Fig. 6
.
IT
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