5.2 Electrical Installation
5.2.1 Cables general
NB!
For the VLT HVAC Drive High Power series mains and motor connections, please see VLT HVAC Drive
High Power Operating Instruc-
tions
MG.11.FX.YY
.
NB!
Cables General
All cabling must comply with national and local regulations 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
200-240
V
380-480
V
525-600
V
Mains
Motor
DC connec-
tion
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
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
-
1.8
1.8
1.5
1.5
3
0.6
B2
-
15
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
11 - 18.5
18.5 - 37
18.5 - 37
4.5
4.5
4.5
4.5
3
0.6
C1
18.5 - 30
37 - 55
-
10
10
10
10
3
0.6
C2
37 - 45
75 - 90
-
-
14/24
1)
14/24
1)
14
14
3
0.6
C3
18.5 - 30
37 - 55
37 - 55
10
10
10
10
3
0.6
C4
30 - 45
55 - 90
55 - 90
14/24
1)
14/24
1)
14
14
3
0.6
High Power
Enclo-
sure
380-480
V
525-690
V
Mains
Motor
DC connec-
tion
Brake
Earth
Relay
D1/D3
110-132
45-160
19
19
9.6
9.6
19
0.6
D2/D4
160-250
200-400
19
19
9.6
9.6
19
0.6
E1/E2
315-450
450-630
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 5.2: Tightening of terminals
1) For different cable dimensions x/y, where x
≤
95 mm² and y
≥
95 mm²
2) Cable dimensions above 18.5 kW
≥
35 mm
2
and below 22 kW
≤
10 mm
2
3) For data on the F-series please consult VLT HVAC Drive High Power Operating Instructions, MG.11.F1.02
5 How to Install
VLT
®
HVAC Drive Design Guide
88
MG.11.B9.02 - VLT
®
is a registered Danfoss trademark
5