4
–INSTALLATION
COD.
30Z12/24.B.2021
EN
THE PRESENT MANUAL BELONGS TO -
Schenker Italia
- ALL RIGHTS RESERVED
27
4.5.2
Electric connections: wires (ZEN 30 12/24V DC)
The 12/24 V power supply, from the service batteries, must be connected to the +/- clamps on the card of the
computer box. A 16 Ampere automatic circuit breaker for 12V systems must be installed on the power supply,
while a 10 Ampere for 24V systems.
The connection must be suitable to take the typical electric load (110-150Watt continuous)
The power supply cable section is related to the length of the cable. See the diagram of the recommended
sections below.
Voltage
Automatic
Cable length
switch
up to 3 mt
3 - 7 mt.
7-10 mt.
Volt
Ampere
mm2
AWG
mm2
AWG
mm2
AWG
12
16
4
11
10
7
16
5
24
10
2,5
13
4
11
4
11
The connection diagram in the computer box is the following:
Clamp
connect to
cable section
-
Negative battery
see table
+
Positive battery
see table
EV
Electrovalve (on the AC filter)
2.5 mm2
EV
Electrovalve (on the AC filter)
2.5 mm2
A
Remote panel
0.22 mm2
B
Remote panel
0.22 mm2
12
Remote panel
0.50 mm2
-
Remote panel
0.50 mm2
The microswitches allow the direct command of the pump and of the electrovalve. They can be used as an
emergency solution for activating the watermaker. They have to be switched off in normal condition.
The rated current of the fuse in 400mA.
