Miller Axcess 675 Benutzerhandbuch - Seite 21

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4-8. Connecting 3-Phase Input Power (Continued)
!
Turn Off welding power source, and
check voltage on input capacitors
according to Section 9-1 before
proceeding.
!
Installation must meet all National
and Local Codes − have only qualified
persons make this installation.
!
Disconnect and lockout/tagout input
power
before
connecting
conductors from unit. Follow estab-
lished procedures regarding the in-
stallation and removal of lockout/
tagout devices.
!
Make input power connections to the
welding power source first.
!
Always
connect
green/yellow conductor to supply
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 con-
nected to any input power between 208 and
575 VAC without removing cover to relink the
power source.
Notes
See rating label on unit and check input volt-
age available at site.
1
Input Power Conductors (Customer
Supplied Cord)
Select size and length of conductors using
Section 4-7. Conductors must comply with
national, state, and local electrical codes. If
applicable, use lugs of proper amperage
capacity and correct hole size.
input
Welding Power Source Input Power
Connections
2
Strain Relief
Install strain relief of proper size for unit and
input conductors. Route conductors (cord)
through strain relief and tighten screws.
green
or
3
Welding Power Source Grounding
Terminal
4
Green Or Green/Yellow Grounding
Conductor
Connect input conductors as shown in
illustration.
Route green or green/yellow grounding
conductor through current transducer and
connect to welding power source grounding
terminal first.
5
Welding Power Source Line Terminals
6
Input Conductors L1, L2, L3
Connect input conductors L1, L2, and L3 to
welding power source line terminals.
Reinstall side panel onto welding power
source.
Disconnect
Device
Input
Connections
7
Disconnect Device (switch shown in
the OFF position)
8
Disconnect Device Grounding Terminal
9
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.
10 Over-Current Protection
Select type and size of over-current protec-
tion using Section 4-7 (fused disconnect
switch shown).
Close and secure door on line disconnect de-
vice. Follow established lockout/tagout pro-
cedures to put unit in service.
Work like a Pro!
Pros weld and cut
safely. Read the
safety rules at
the beginning
of this manual.
OM-217 751 Page 17
Power