EN
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
N
Neutral
Fuse (3.15AT - 250V)
F
Ignition transformer
TRA
System pump
PI
V
Fan
Ignition / Detection electrode
EAR
Gas solenoid valve
EVG
Delivery sensor
SM
Return sensor (SR)
SR
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.
SB
CR
SE
TA
1
2
3
4 5 6
EV
CN13
CN15
CN14
TA2
SR
TPA
CN3
CN5
CN6
Hot water tank sensor
SB
TS
Safety thermostat
Thermal fuse
TFU
Smoke flue gas probe
SF
Diverter valve
VD
TPA
Pressure transducer
Air thermostat
TA-TA2
External sensor
SE
Remote control (instead of air
CR
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.
BLUE
BROWN
V
4 3 2 1
RED
SF
RED
TS
SM
TFU
.
Fig. 7
77