Electrical Installation In General - Danfoss VLT HVAC Basic Drive FC 100 Series Design Manual

How to Install

5.2.2 Electrical Installation in General

All cabling must comply with national and local regulations on cable cross-sections and ambient temperature. Copper
conductors required, (75°C) recommended.
Frame IP class
H1 IP20
H2 IP20
H3 IP20
5 5
H4 IP20
H5 IP20
H6 IP20
H7 IP20
H7 IP20
H8 IP20
Power (kW)
Frame IP class
I6
I7
I8
Power (kW)
Frame IP class
H9
H10
H6
H7
H8
Table 5.2 Details of Tightening Torques
Cable dimensions ≤ 95mm
1
2
Cable dimensions > 95mm
48
Power (kW)
3 x 200-240V 3 x 380-480
0.25-1.5 0.37-1.5
2.2 2.2-4
3.7 5.5-7.5
5.5-7.5 11-15
11 18.5-22
15-18 30-45
22-30 55
- 75
37-45 90
3 x 380-480 Line
IP54 22-37 4.5
IP54 45-55
IP54 75-90
14/24
3 x 525-600 Line
IP20 2.2-7.5 1.8
IP20 11-15 1.8
IP20 22-30 4.5
IP20 45-55
IP20 75-90
14/24
2
2
MG.18.C2.02 - VLT
VLT HVAC Basic Drive Design Guide
Line Motor
1.4 0.8
1.4 0.8
1.4 0.8
1.2 1.2
1.2 1.2
4.5 4.5
10 10
14 14
2 2
24 24
Motor DC connection
4.5
10 10
1 1
14/24
Motor DC connection
1.8 not
recommended
1.8 not
recommended
4.5
10 10
1 1
14/24
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is a registered Danfoss trademark
Torque (Nm)
DC Control
connection terminals
0.8 0.5
0.8 0.5
0.8 0.5
1.2 0.5
1.2 0.5
- 0.5
- 0.5
- 0.5
- 0.5
Torque (Nm)
Control Earth
terminals
- 0.5 3
- 0.5 3
- 0.5 3
Torque (Nm)
Control Earth
terminals
0.5 3
0.5 3
- 0.5 3
- 0.5 3
- 0.5 3
Earth Relay
3 0.5
3 0.5
3 0.5
3 0.5
3 0.5
3 0.5
3 0.5
3 0.5
3 0.5
Relay
0.6
0.6
0.6
Relay
0.6
0.6
0.5
0.5
0.5