Electrical Installation - Danfoss VLT AQUA Design Manual

®
VLT AQUA Drive Design Guide

5.2. Electrical Installation

5.2.1. Cables General
NB!
Cables General
Always comply with national and local regulations on cable cross-sections.
Details of terminal tightening torques.
Enclosure 200-240 V
A2 0.25 - 3.0
A3 3.7
A5 0.25 - 3.7
B1 5.5 -11
B2 - 15
C1 18.5 - 30
C2 37 - 45
D1/D3 -
D2/D4 -
E1/E2 -
Table 5.2: Tightening of terminals.
5.2.2. 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.
5.2.3. 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.
2. Place plug connector 91, 92, 93 from the accessory bag onto the terminals labelled MAINS at the bottom of the frequency converter.
3. Connect mains wires to the mains plug connector.
Power (kW)
380-480 V 525-690 V Line
0.37 - 4.0 1.1 - 4.0 1.8
5.5 - 7.5 5.5 - 7.5 1.8
0.37 - 7.5 1.1 - 7.5 1.8
11 - 18 - 1.8
22 - 2.5
30 - 4.5
37 - 55 - 10
75 - 14
90 - 24
110 110 19
132 132 19
160-250 160-315 19
315-450 355-560 19
®
MG.20.N3.02 - VLT is a registered Danfoss trademark
Torque (Nm)
DC connec-
Motor Brake
tion
1.8 1.8 1.8
1.8 1.8 1.8
1.8 1.8 1.8
1.8 1.5 1.5
2.5 3.7 3.7
4.5 3.7 3.7
10 10 10
14 14 14
24 14 14
19 9.6 9.6
19 9.6 9.6
19 9.6 9.6
19 9.6 9.6
5. How to Install
Earth Relay
3 0.6
3 0.6
3 0.6
3 0.6
3 0.6
3 0.6
3 0.6
3 0.6
3 0.6
19 0.6
19 0.6
19 0.6
83
5