Miller XMT 456CV Instrukcja obsługi - Strona 25

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Miller XMT 456CV Instrukcja obsługi

4-14. Connecting Input Power

3
9
4
10
1
Tools Needed:
5/16 in.
!
Turn Off welding power source, and
check voltage on input capacitors
according to Section 6-3 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.
!
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.
See rating label on unit and check input volt-
age available at site.
1
Input Power Conductors (Customer
Supplied Cord)
= GND/PE Earth Ground
11
8
L1
L2
L3
Select size and length of conductors using
Section 4-9. Conductors must comply with
national, state, and local electrical codes. If
applicable, use lugs of proper amperage
capacity and correct hole size.
Welding Power Source Input Power
Connections
2
Strain Relief
Route conductors (cord) through strain relief
input
and tighten screws.
3
Welding Power Source Grounding
Terminal
4
Green Or Green/Yellow Grounding
Conductor
green
or
Connect green or green/yellow grounding
conductor to machine grounding terminal
first.
5
Input Filter Board
6
Welding Power Source Line Terminals
7
Input Conductors L1, L2, L3
Connect input conductors L1, L2, and L3 to
welding power source line terminals.
3
7
4
2
1
Input5 2011−03 803 245-C / Ref. 803 766-A / 218 005-A / 801 946
Reinstall side panel on welding power
source.
Disconnect
Connections
8
9
10 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.
11 Over-Current Protection
Select type and size of over-current protec-
tion using Section 4-13 (fused disconnect
switch shown).
Close and secure door on disconnect device.
Remove lockout/tagout device, and place
switch in the On position.
L1
L2
L3
Device
Input
Disconnect Device (switch shown in
the OFF position)
Disconnect Device Grounding Terminal
OM-203 034 Page 21
7
6
5
Power