Danfoss VLT HVAC

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