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Wires And Terminal Lugs; Power And Motor Connection - LG SV-iS5 Instruction Manual

Variable frequency drives
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Chapter 1 – Installation
n Wires and Terminal Lugs
Refer to the following table for wires, terminal lugs, and screws used to connect the inverter power input (R, S, T) and
output (U, V, W). Input and motor output terminal blocks are intended only for use with ring type connectors.
Inverter Capacity
Screw Size
1 ~ 3 HP
5 HP
7.5 HP
10 HP
200V
15 HP
Class
20 HP
25 HP
30 HP
40-50HP
60-75HP
1 ~ 5 HP
7.5 HP
10 HP
15 HP
400V
20 HP
Class
25 HP
30 HP
40-50HP
60-75HP
100HP
n Power and Motor Connection
Power supply must be connected
to the R, S, and T terminals.
Connecting it to the U, V, and W
terminals causes internal damages
to the inverter. Arranging the phase
sequence is not necessary.
9
Apply the rated torque to terminal screws. Loose screws can cause of short circuit or malfunction. Tightening the screws too much
can damage the terminals and cause a short circuit or malfunction.
10
Use copper wires only with 600V, 75℃ ratings .
Morek IT OÜ, Rauna 24, 76506 Saue Harjumaa, Estonia. www.morek.eu Tel. +372 604 1423 Fax +372 604 1447 morek@morek.eu
Screw
Terminal
Torque
9
(Kgf·cm)/lb- in
M3.5
15 / 10
M3.5
15 / 10
M4
15 / 10
M4
15 / 10
M5
26 / 18
M5
26 / 18
M6
45 / 31
M6
45 / 31
M8
100 / 70
M10
200 / 139
15 / 10
M3.5
15 / 10
M4
15 / 10
M4
26 / 18
M5
26 / 18
M5
45 / 31
M6
45 / 31
M6
M8
100 / 70
M8
100 / 70
M8
100 / 70
R
S
T
G
N B1 B2 U
3 Phase
Power Input
Ring Terminals
mm²
R,S,T
U,V,W
R,S,T
2-4
2-4
2
2-4
2-4
3.5
5.5-5
5.5-5
5.5
14-5
8-5
14
14-5
14-5
14
22-6
22-6
22
38-8
38-8
30
38-8
38-8
38
60-8
60-8
60
100-10
100-10
100
2-4
2-4
2
5.5-5
5.5-5
3.5
14-5
8-5
3.5
14-5
14-5
5.5
22-6
22-6
14
38-8
38-8
14
38-8
38-8
22
38-8
38-8
22
38-8
38-8
38
60-8
60-8
60
V
W
Motor
Motor should be connected to the
U, V, and W terminals.
If the forward command (FX) is on,
the motor should rotate counter
clockwise when viewed from the load
side of the motor. If the motor rotates
in the reverse, switch the U and V
terminals.
18
Wire
10
AWG
U,V,W
R,S,T
U,V,W
2
14
14
3.5
12
12
5.5
10
10
8
6
8
14
6
6
22
4
4
30
2
2
30
2
2
60
2/0
2/0
100
4/0
4/0
2
14
14
2
12
14
3.5
12
12
5.5
10
10
8
6
8
8
6
8
14
4
6
22
4
4
38
2
2
60
2/0
2/0
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