Danfoss VLT AQUA Drive Series - Electrical Installation; Connection to Mains and Earthing

5.3 Electrical Installation
5.3.1 Cables General
NB!
Cables General
Always comply with national and local regulations on cable cross-sections.
Details of terminal tightening torques.
Power (kW) Torque (Nm)
Enclosure 200-240 V 380-480 V 525-690 V Mains Motor
DC connec-
tion
Brake Earth Relay
A2 0.25 - 3.0 0.37 - 4.0 1.8 1.8 1.8 1.8 3 0.6
A3
3.7 5.5 - 7.5 0.75 - 7.5 1.8 1.8 1.8 1.8 3 0.6
A5
0.25 - 3.7 0.37 - 7.5 1.1 - 7.5 1.8 1.8 1.8 1.8 3 0.6
B1
5.5 -11 11 - 18 - 1.8 1.8 1.5 1.5 3 0.6
B2
- 15
22
30
11 -
30
2.5
4.5
2.5
4.5
3.7
3.7
2.5
4.5
3
3
0.6
0.6
B3
5.5 -
7.5
11 -
15
-
-
1.8 1.8 1.8 1.8
2 -
3
0.5 -
0.6
B4
11 -
15
18.5 -
30
-
-
4.5 4.5 4.5 4.5
2 -
3
0.5 -
0.6
C1
18.5 - 30 37 - 55 - 10 10 10 10 3 0.6
C2
37 - 45
75
90
30 -
90
14
24
14
24
14
14
14
14
3
3
0.6
0.6
C3
18.5 -
22
37 -
45
-
-
10 10 10 10
2 -
3
0.5 -
0.6
C4*
30
37
55
75
-
-
14
24
14
24
14
24
14
24
2 -
3
0.5 -
0.6
D1/D3
-
110
132
110
132
19
19
19
19
9.6
9.6
9.6
9.6
19 0.6
D2/D4
- 160-250 160-315 19 19 9.6 9.6 19 0.6
E1/E2
- 315-450 355-560 19 19 9.6 9.6 19 0.6
Enclosure 200-240 V 380-480 V 525-690 V Mains Motor
DC Con-
nection
Brake Regen Relay
F1/F2/F3/F4 - 500-1000 710-1200 19 19 9.6 9.5 19 0.6
Table 5.3: Tightening of terminals.
* For C4, tigtening torque depends on cable dimensions used - 35-95 mm
2
or 120-150 mm
2
.
5.3.2 Removal of Knockouts for Extra Cables
1. Remove cable entry from the frequency converter (Avoiding foreign parts falling into the frequency converter when removing knockouts)
2. Cable entry has to be supported around the knockout you intend to remove.
3. The knockout can now be removed with a strong mandrel and a hammer.
4. Remove burrs from the hole.
5. Mount Cable entry on frequency converter.
5.3.3 Connection to Mains and Earthing
NB!
The plug connector for power can be removed.
1. Make sure the frequency converter is properly earthed. Connect to earth connection (terminal 95). Use screw from the accessory bag.
VLT
®
AQUA Drive Design Guide 5 How to Install
MG.20.N5.02 - VLT
®
is a registered Danfoss trademark 121
5