23
L3
AUX LED
The LED is on when the auxiliary thermostat
has been selected.
L4
LEVEL SWITCH LED
The LED is on when there is no water
inside the tray or not enough
water.
L5
OFF LED
The LED is on when the control unit
is off.
L6
DHW LED
The LED is on when the dhw function
is active.
L7
SERV LED
The LED is on when the service thermostat
has been selected.
LINEA
230 Vac
POMPA
230 Vac
VALVOLA
230 Vac
AUX
1 2 3 4 5 6 7 8 9 10 11 12 13 14
N L
L
O
N
L
O
N
L
O
N
L
O
F
F
N
O
C
O
M
N
C
23 22 21 20 19 18
LIVEL.
SONDA
15
L
O
F
F
17 16
N
N
N
SERV
230 Vac
Inputs
PROBE
Water Probe: Temperature Range 0
– 100 °C
H
2
O LEVEL
ON/OFF consent: Level switch
Outputs
PUMP
System
pump:
230 Vac
power supply
Clamps
13(F
ON
) - 14(N) - 15(F
OFF
)
SERV
Service:
230 Vac
power supply
Clamps
9(F
ON
) - 10(N)
VALVE
Valve:
230 Vac
power supply
Clamps
6(F
ON
) - 7(N) - 8(F
OFF
)
AUX
Auxiliary:
Free
contacts
Clamps
3(N
O
) - 4(C
OM
) - 5(NC)