Miller Electric OM-230 User Manual
Page 23
.
A complete Parts List is available at www.MillerWelds.com
OM-230 693 Page 19
4-13. Selecting A Location And Connecting Input Power
804 912-A
L1
L2
230 VAC, 1
18 in (457 mm) of
space for airflow
!
Do not move or operate
unit where it could tip.
3
!
Installation must meet all National
and Local Codes − have only qualified
persons make this installation.
!
Disconnect and lockout/tagout input
power before connecting input con-
ductors from unit.
!
Always connect green or green/yel-
low conductor to supply grounding
terminal first, and never to a line ter-
minal.
!
Special installation may be required
where gasoline or volatile liquids are
present − see NEC Article 511 or CEC
Section 20.
1
Rating Label
Supply correct input power.
2
Plug (NEMA Type 6-50P)
3
Receptacle
[NEMA Type 6-50R (Customer
Supplied)]
4
Input Power Cord.
Connect directly to line disconnect device if
hard wiring is required.
5
Black And White Input Conductor (L1
And L2)
6
Green Or Green/Yellow Grounding
Conductor
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 and L2 to
disconnect device line terminals.
10 Over-Current Protection
Select type and size of over-current
protection using Section 4-12 (fused
disconnect switch shown).
Connect plug to receptacle if hard wiring
method is not used.
Close and secure door on disconnect device.
Remove lockout/tagout device, and place
switch in the On position.
1
2
4
1
=GND/PE Earth Ground
7
L1
L2
6
5
8
9
10