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factory and to start it up it is neces-
sary to have a power supply that works
according to the indications on the
rating plate of the unit, with cut off with
protective devices on the line.
The cable cross sections and the scaling
of the line main switch are purely indi-
cative.
It will be up to the installation engineer
to properly dimension the power line
depending on the length, type of cable,
unit consumption and physical position.
HE U - HE B
(230V single phase)
020
025
2
SEZ A
mm
2,5
2,5
2
SEZ B
mm
1
1
2
Terra
mm
2,5
2,5
IL
A
13
16
HE U - HE B
(400V three phase)
020
025
2
SEZ A
mm
1,5
1,5
2
SEZ B
mm
1
1
2
Terra
mm
1,5
1,5
IL
A
8
8
HE U - HE B
(400V three phase)
020H
025H
2
SEZ A
mm
1,5
1,5
2
SEZ B
mm
1
1
2
Terra
mm
1,5
1,5
IL
A
8
8
Electrical wiring
All the electrical wirings must comply
with the regulations in force at the time
of the installation.
The diagrams and schematics in this
documentation must only be used as
an aid for the setting up of the electrical
lines. Refer to the wiring diagram sup-
plied with the device, for installation
requirements.
N.B.
Check that all power cables are cor-
rectly secured to the terminals when
030
040
050
4
4
6
1
1
1
4
4
6
20
20
25
030
040
050
080
2,5
2,5
2,5
2,5
1
1
1
1
2,5
2,5
2,5
2,5
10
10
13
13
030H
040H
050H
080H
2,5
2,5
2,5
2,5
1
1
1
1
2,5
2,5
2,5
2,5
8
13
13
13
HE U - HE B
(230V single phase)
020H
025H
2
SEZ A
mm
2,5
4
2
SEZ B
mm
1
1
2
Terra
mm
2,5
4
IL
A
16
20
090
100
150
4
4
6
1
1
1
4
4
6
16
20
25
090H
100H
150H
4
4
6
1
1
1
4
4
6
16
20
25
switched on for the first time and after
30 days of use. Afterwards, check the
connection of the power cables every
six months. Slack terminals could cause
the cables and components to ove-
rheat.
Cross sections recommended for the
maximum length of 50 m. The cross
section of the cable and the dimension
of the line main switch are purely indi-
cative.
030H
040H
4
6
1
1
4
6
20
25
200
10
1
10
32
200H
10
1
10
32
11
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