5.2 Electrical Installation
5.2.1 Cables General
NOTE!
For the VLT
®
HVAC Drive High Power series AC line input and motor connections, please see VLT
®
HVAC Drive
High Power
Instruction Manual
MG.11.FX.YY
.
NOTE!
Cables General
All cabling must comply with national and local regulations on cable cross-sections and ambient temperature. Copper
(140°–167°F [60°–75
°
C]) conductors are recommended.
Details of terminal tightening torques.
Power (kW)
Torque (Nm)
Enclo-
sure
200–240V 380–480V 525–600V 525–690 V
Line power
Motor
DC
connection
Brake
Ground
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
A4
1.1–2.2
1.1–4
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
11–18.5
-
1.8
1.8
1.5
1.5
3
0.6
B2
-
15
22
30
22
30
11
30
2.5
4.5
2)
2.5
4.5
2)
3.7
3.7
2.5
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
15–18.5
22–37
22–37
-
4.5
4.5
4.5
4.5
3
0.6
C1
18.5–30
37–55
37–55
-
10
10
10
10
3
0.6
C2
37–45
75–90
75–90
30
90
14/24
1)
14/24
1)
14
14
3
0.6
C3
22–30
45–55
45–55
-
10
10
10
10
3
0.6
C4
37–45
75–90
75–90
-
14/24
1)
14/24
1)
14
14
3
0.6
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 5.8 Tightening of Terminals
1) For different cable dimensions x/y, where x
≤
0.147 in² [95 mm²] and y
≥
0.147 in² [95 mm²].
2) Cable dimensions above 25 hp [18.5 kW]
≥
0.0542 in
2
[35 mm
2
] and below 30 hp [22 kW] ≤
≤
0.0155 in
2
[10 mm
2
].
3) For data on the F frame sizes, consult the FC 100 High Power Instruction Manual.
How to Install
VLT
®
HVAC Drive Design Guide
MG11BB22 - VLT
®
is a registered Danfoss trademark
5-9
5
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