Miller CST 282, Owner'S Manual

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OM-285986 Page 19
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Complete Parts List is available at www.MillerWelds.com
5-9. Connecting 3-Phase Input Power
Input2 2012−05 Ref. 803 766-C / 803 942-A
= GND/PE Earth Ground
L1
2
1
L2
L3
3
3
4
5
6
7
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. Follow es-
tablished
procedures regarding
the installation and removal of
lockout/tagout devices.
Always connect green or green/
yellow
conductor to supply
grounding terminal first, and never
to a line terminal.
See rating label on unit and check input volt-
age available at site.
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 protec-
tion using Electrical Service Guide (fused
disconnect switch shown).
Close and secure door on disconnect device.
Follow established lockout/tagout proce-
dures to put unit in service.