Connecting 3-Phase Input Power - Unitor UWI 400 Owner's Manual

4-9. Connecting 3-Phase Input Power

3
6
OM-202 137 Page 20
3
4
1
= GND/PE Earth Ground
7
2
L1
5
L2
L3
1
!
Installation must meet all National
and Local Codes − have only quali-
fied persons make this installation.
!
Disconnect and lockout/tagout in-
put power before connecting input
conductors from unit.
!
Always connect green or green/
yellow conductor to
grounding terminal first, and never
to a line terminal.
For Three-Phase Operation
1 Input Power Cord.
2 Disconnect Device (switch shown in
the OFF position)
3 Green Or Green/Yellow Grounding
Conductor
4 Disconnect Device Grounding
Terminal
5 Input Conductors (L1, L2 And L3)
6 Disconnect Device Line Terminals
Connect green or green/yellow grounding
conductor to disconnect device grounding
terminal first.
Connect input conductors L1, L2, and L3
to disconnect device line terminals.
7 Over-Current Protection
Select type and size of over-current
protection using Section 4-8 (fused dis-
connect switch shown).
Close and secure door on disconnect
device. Remove lockout/tagout device,
and place switch in the On position.
Tools Needed:
ST-144 221 / ST-801 192 / 803 766-A
supply