4
– MOUNTING AND INSTALLATION
COD:
500M380.D.2018
EN
THE PRESENT MANUAL BELONGS TO -
Schenker Italia
- ALL RIGHTS RESERVED
29
4.5.2
Electric connections: wires MODULAR 500 three phase 380V AC
The power supply of the unit must be connected to an electric line 380 VAC 50 Hz three phase with ground
connector. The section of the cable depends on the length of the lines and must be calculated, considering a
maximum electric consumption of 3 Kw/h, according to the local law.
ATTENTION
On the supply wiring must be installed an automatic, 3 poles, 10 A circuit breaker all the
protection (including a differential switch). All the ground wires must be connected.
ATTENTION
In case of current overload, a 6,3 Amps motor protection is installed to safety the Inverter.
The general wires connection scheme (between the external devices and the main electric box) is the following:
Device
wire number
wire section (min.)
POWER SUPPLY (380vac)
T- U1
– V1 – W1
4 mm
2
PUMP 1
T- U1- V1- W1
2,5 mm
2
PUMP 2
T- U2
–V2–W2
2,5 mm
2
LOW PRESSURE SWITCH
PB - PB
1,5 mm
2
HIGH PRESSURE SWITCH
PA - PA
1,5 mm
2
PROBE (pressure switch)
PS - PS
1,5 mm
2
SALINITY PROBE
SAL - SAL
1,5 mm
2
ELECTROVALVE
EV - EV
1,5 mm
2
BOARD POWER SUPPLY
24
1,5 mm
2
100% SPEED
100
1,5 mm
2
50% SPEED
50
1,5 mm
2
DIVERTING VALVE
DV
– DV
1,5 mm
2
ELECTRONIC BUSBAR CONNECTION FOR 380V AC POWER SUPPLY
FIG. 4-4
