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5.5 Basic electrical connections
Nominal voltage
Nominal current
Nominal power
Safety current
Protection type
Never connect terminal 11+12 and 21+22
at the same time. It will destruct the refill
the SCU controller or the pressure holding
control.
SELV:
Safety Extra
Low Voltage
* Recommended value; Line safety switch (C).
20
Tagus Vac 7
2.77 A
0.62 kW
10 A
IP55
SELV
C
Pressure sensor
OPTIONAL
Impuls water meter
F
Pump 1
A
B
C
D
Tagus Vac 10
Tagus Vac 20
230 V: +6%; -10%; 50 Hz: +1%; -1%
5.3 A
7.2 A
1.1 kW
1.51 kW
16 A
IP54 (pressure sensor IP65)
RS485
RS485
E
Pump 2 (Tagus Vac 30)
A
Vacuum pressure switch
E
F
G
B
Float switch
Tagus Vac 30
10.6 A
2.2 kW
INPUT
External
(Refill 230 V)
28 29 30 31 32 33 34 35 36
10 11 12 13 14 15 16 17 18
27 26 25 24
23 22 21
20 19
9 8 7 6 5 4 3 2 1
Common
failure
INPUT
External
refill
(for potential
free contact)
N.C.
G
Solenoid valve
N.O.
D
Solenoid valve
WILO 07/2018
230 V
50 Hz