18
EN
5.11
Wiring diagram
BROWN
BLUE
BL
UE
BL
UE
RED
RED
RED
ORANGE
GREEN
BLUE
CD .6324900
BROWN
BLA
CK
BL
UE
BLACK
230 V - 50 Hz
L
N
BLACK
BRO
WN
VD
TPA
SM1
EXP
SB
SM2
TRA
EAR
EV
F
PI
V
CN6
CN5
CN3
CN17
CN4
CN1
CN15
CN14
CN13
CN12
CN11
2
3
5V
GND
OUT
CN2
BLA
CK
BLA
CK
BL
UE
BL
UE
GREEN
GREEN
BLA
CK
BLA
CK
3 2 1
4
5
6
SE
TA
TA2
CR
L
Line
N
Neutral
F
Fuse (3.15AT)
TRA
Ignition transformer
PI
System pump
V
Fan
EAR
Ignition / Detection electrode
EV
Gas solenoid valve
SM1-2
Dual sensor (thermal safety/delivery)
VD
Diverter valve
TPA
Pressure transducer
TA-TA2
Air thermostat
EXP
Expansion card
SE
External sensor
SB
Hot water tank sensor
CR
Remote control (instead of air thermostat)
To connect the "Air Thermostat" or, alternatively the "Remote Control", remove the bridge
between terminals 5-6.
Fig. 14
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.
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.