Danfoss VLT Series Design Manual page 95
Hvac drive
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Also See for VLT Series:
- Programming manual (390 pages) ,
- Design manual (165 pages) ,
- Service manual (158 pages)
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VLT
®
HVAC Drive Design Guide
5.2. Electrical Installation
5.2.1. Cables General
Details of terminal tightening torques.
Enclo-
sure
A2
A3
A5
B1
B2
C1
C2
5.1: Tightening of terminals.
5.2.2. Removal of Knockouts for Extra Cables
1.
2.
3.
4.
5.
5.2.3. Connection to Line Power and Grounding
1.
2.
NOTE
Cables General
Always comply with national and local regulations on cable cross-sections.
Power (kW)
200-240
380-480
525-600
V
V
V
1.1 - 3.0 1.1 - 4.0 1.1 - 4.0
3.7
5.5 - 7.5 5.5 - 7.5
1.1 - 3.7 1.1 - 7.5 1.1 - 7.5
5.5 - 11 11 - 18.5
-
-
22
-
15
30
-
18.5 - 30 37 - 55
-
37
75
-
45
90
-
Remove the cable entry from the adjustable frequency drive (prevent foreign parts from
falling into the adjustable frequency drive when removing knockouts)
The cable entry must be supported around the knockout you intend to remove.
The knockout can now be removed with a strong mandrel and a hammer.
Remove burrs from the hole.
Mount cable entry on adjustable frequency drive.
NOTE
The plug connector for power can be removed.
Make sure the adjustable frequency drive is properly grounded. Connect to ground con-
nection (terminal 95). Use the screw from the accessory bag.
Place plug connector 91, 92, 93 from the accessory bag onto the terminals labeled LINE
at the bottom of the adjustable frequency drive.
MG.11.B4.22 - VLT
®
is a registered Danfoss trademark.
Torque (Nm)
DC con-
Line
Motor
Brake
nection
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.5
2.5
2.5
3.7
4.5
4.5
3.7
10
10
10
14
14
14
24
24
14
5. How to Install
Ground
Relay
1.8
3
0.6
1.8
3
0.6
1.8
3
0.6
1.5
3
0.6
3.7
3
0.6
3.7
3
0.6
10
3
0.6
14
3
0.6
14
3
0.6
5
95
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