2.5 Unit wiring diagrams
2.5.1 VCH 20A, 25A, 30A and 40A (400.3.50) wiring diagram
A
B
C
G
H
I
J
D
E
F
K
L M
N
a
b
c
d
I-2575b
A1
e
Model
Q2 [A]
Cross-section B [mm
2
]
F1 [A]
F2 [A] REG.
F3 [A]
20A
20
5 x 4
16
2,5
3,1
25A
25
5 x 4
16
2,5
3,1
30A
32
5 x 6
25
3,8
6,5
40A
40
5 x 10
32
3,8
6,5
( * )
If the unit has power and the green LED V2 on board A1 is off, check that the sequence of phases
L1, L2, L3 is correct.
N O T E
*(1) Indoor fan M2 is connected on site. See electrical specifications table.
2
Wiring diagrams
2.5
Unit wiring diagrams
52
