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Idiomas disponibles
EN
5.11
Wiring diagram
BLUE
6
5
4
VD
1
2
3
BLACK
BLUE
VIOLET
GREEN
ORANGE
1 2
CR
Line
L
Neutral
N
Fuse (3.15AT - 250V)
F
TRA
Ignition transformer
System pump
PI
Fan
V
To connect the "Air Thermostat" or, alternatively the "Remote Control", remove the bridge between terminals
1-2.
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.
BLUE
V
BROWN
3 4
SE
TA
PSF
Ignition / Detection electrode
EAR
Gas solenoid valve
EV
Domestic hot water sensor
SS
SM
Delivery sensor
Safety thermostat
TS
Flue gas pressure switch
PSF
230 V - 50 Hz
L
N
X4
X3
X2
F
TRA
CD .6324916
X21
X9
X10
BLACK
SM
TS
EV
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.
PI
EAR
X11
PA
SS
FLM
Flow meter
FLM
Diverter valve
VD
Water pressure switch
PA
TA
Air thermostat
External sensor
SE
Remote control (instead of
CR
room thermostat)
Fig. 21
57
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