4 Electrical Installation
4.1 How to Connect
4.1.1 Cables General
NOTE
For the VLT HVAC Drive High Power series mains and
motor connections, please see VLT HVAC Drive
High
Power Operating Instructions
MG.11.FX.YY
.
NOTE
Cables General
All cabling must comply with national and local regula-
tions on cable cross-sections and ambient temperature.
Copper (60/75
°
C) conductors are recommended.
Details of terminal tightening torques.
Power
(kW)
Torque
(Nm)
Enclo-
sure
200-240V
380-480V
525-600
V
Mains
Motor
DC
connection
Brake
Earth
Relay
A2
1.1 - 3.0
1.1 - 4.0
1.1 - 4.0
1.8
1.8
1.8
1.8
3
0.6
A3
3.7
5.5 - 7.5
5.5 - 7.5
1.8
1.8
1.8
1.8
3
0.6
A4
1.1-2.2
1.1-4
1.8
1.8
1.8
1.8
3
0.6
A5
1.1 - 3.7
1.1 - 7.5
1.1 - 7.5
1.8
1.8
1.8
1.8
3
0.6
B1
5.5 - 11
11 - 18.5
11 - 18.5
1.8
1.8
1.5
1.5
3
0.6
B2
-
15
22
30
22
30
4.5
4.5
2)
4.5
4.5
2)
3.7
3.7
3.7
3.7
3
3
0.6
0.6
B3
5.5 - 11
11 - 18.5
11 - 18.5
1.8
1.8
1.8
1.8
3
0.6
B4
15 - 18.5
22 - 37
22 - 37
4.5
4.5
4.5
4.5
3
0.6
C1
18.5 - 30
37 - 55
37 - 55
10
10
10
10
3
0.6
C2
37 - 45
75 - 90
75 - 90
14/24
1)
14/24
1)
14
14
3
0.6
C3
22 - 30
45 - 55
45 - 55
10
10
10
10
3
0.6
C4
37 - 45
75 - 90
75 - 90
14/24
1)
14/24
1)
14
14
3
0.6
High Power
Enclo-
sure
380-480 V
Mains
Motor
DC connection
Brake
Earth
Relay
D1/D3
110-132
19
19
9.6
9.6
19
0.6
D2/D4
160-250
19
19
9.6
9.6
19
0.6
E1/E2
315-450
19
19
19
9.6
19
0.6
F1-F3
3)
500-710
710-900
19
19
19
9.6
19
0.6
F2-F4
3)
800-1000
1000-1400
19
19
19
9.6
19
0.6
Table 4.1: Tightening of terminals
1) For different cable dimensions x/y, where x
≤
95 mm
2
and y
≥
95 mm
2
.
2) Cable dimensions above 18.5 kW
≥
35 mm
2
and below 22
kW
≤
10 mm
2
.
3) For data on the F frame sizes consult FC 100 High Power
Operating Instructions.
Electrical Installation
VLT
®
HVAC Drive Operating Instructions
20
MG.11.AD.02 - VLT
®
is a registered Danfoss trademark
4
4