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