.
A complete Parts List is available at www.MillerWelds.com
OM-272989 Page 24
5-9. Process/Polarity Table
Process
Polarity
Cable Connections
Wire Drive Assembly Cable
Work Cable
GMAW
−
Solid wire with shielding gas
DCEP
−
Reverse polarity
Connect to positive (+)
output receptacle
Connect to negative (
−
)
output receptacle
FCAW
−
Self-shielding wire
−
no
shielding gas
DCEN
−
Straight Polarity
Connect to negative (
−
)
output receptacle
Connect to positive (+)
output receptacle
5-10. MIG Welding Connections
Ref. 275172A / Ref. 275167A / Ref. 275168A
!
Turn off unit and disconnect input
power before making connections.
1
Positive Weld Output Receptacle
2
Negative Weld Output Receptacle
3
Wire Drive Assembly Cable
4
Work Clamp And Cable
Ensure all connections are tight.
5
Gun End
Connect gun end to drive assembly (see
Section 5-11).
6
Trigger Control Cable
7
Four Pin Trigger Control Cable
Receptacle
Route trigger control cable through MIG
gun hole.
Connect plug on end of cable to four pin
receptacle inside unit.
8
MIG Shielding Gas Connection
Use 75/25 mix or CO
2
shielding gas for
solid wire. Use Argon shielding gas for
aluminum wire with spool gun (see Section
MIG
−
DCEP
(Direct Current Electrode Positive)
Flux-Cored
−
DCEN
(Direct Current Electrode Negative)
1
4
3
2
1
4
3
2
8
6
7
5