Installation
Electrical Co
nnections
All electrical wiring must be completed by a
qualified electrician and comply with all local codes
and regulations.
Wire Connections at the Motor
NOTE: Follow the instructions in the motor
manufacturer’s manual. Use a motor starter with
overload protection. Wire size, fuse size, and other
electrical devices must comply with all local codes
and regulations.
The motor must be wired to the VFD. Install the
wiring at the motor as follows:
1. Open the motor’s electrical box.
2. Install a strain relief in one of the ports at the
bottom of the motor box.
3. Connect the green ground wire to the ground
screw.
4. See Fig. 7 for 230 V motors and Fig. 8 for 460
V motors. Connect the wires to the bottom three
terminals (U, V, and W) in the motor box.
5. Close the motor electrical box.
L3L2L1
W2
T6
V2
T5
U2
T4
V1 V3
T2 T8
U1 U3
T1 T7
W1 W3
T3 T9
U1
W1
V1
W2
U2
V2
L2 L3L1
W3
U3
V3
Figure 7 Wire Connections for a 230 V Motor
L3L2L1
V1
T2
U1
T1
W1
T3
W2 W3
T6 T9
V2 V3
T5 T8
U2 U3
T4 T7
U1
W1
V1
W2
U2
V2
L2 L3L1
V3
W3
U3
Figure 8 Wire Connections for a 460 V Motor
3A1938E 13
