Connecting 3-Phase Input Power - Miller 907161012 Owner's Manual

5-8.

Connecting 3-Phase Input Power

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Complete Parts List is available at www.MillerWelds.com
allen_wrench allen_set
pliers needlenose
solderiron
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
the installation and removal of
lockout/tagout devices.
Always connect green or green/
yellow conductor
grounding terminal first, and never
to a line terminal.
NOTICE – The Auto-Line circuitry in this unit
automatically adapts the power source to the
primary voltage being applied. Check input
voltage available at site. This unit can be
connected to any input power between 208
and 575 VAC without removing cover to re-
link the power source.
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
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.
tools/
Follow established lockout/tagout proce-
dures to put unit in service.
flathead
knife steelbrush
regarding
to supply
Grounding
philips head wrench
nutdriver
OM-2254 Page 23