Miller DELTAWELD 650, Руководство пользователя

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OM-272476 Page 15
!
Turn Off welding power source.
!
Installation must meet all National
and Local Codes − have only qualified
persons make this installation.
!
Disconnect and lockout/tagout input
power before connecting input
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 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.
1 Input Power Conductors (Customer
Supplied Cord)
Select size and length of conductors using
Section 4-2. Conductors must comply with
national, state, and local electrical codes. If
applicable, use lugs of proper amperage
capacity and correct hole size.
2 Input Power Cover
Remove screws and open cover.
Welding Power Source Input Power
Connections
3 Strain Relief (Customer Supplied)
Install strain relief of proper size for unit and
input conductors. Route conductors (cord)
through strain relief. Tighten strain relief.
4 Input Power Connection Block
5 Welding Power Source Grounding
Terminal
6 Green Or Green/Yellow Grounding
Conductor
Connect green or green/yellow grounding
conductor to machine grounding terminal
first.
7 Welding Power Source Line Terminals
8 Input Conductors U (L1), V (L2), W (L3)
Connect input conductors to welding power
source line terminals.
Close input power cover and secure with
screws.
Disconnect Device Input Power
Connections
9 Disconnect Device (switch shown in
the OFF position)
10 Disconnect Device Grounding Terminal
11 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.
12 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 disconnect device.
Remove lockout/tagout device, and place
switch in the On position.
Input12 2015−07
4-8. Connecting Input Power (Continued)
Notes