Process/Polarity Table; Mig Welding Connections - Miller Multimatic 215 Owner's Manual

5-9. Process/Polarity Table

Process
GMAW − Solid wire with shielding gas
FCAW − Self-shielding wire − no
shielding gas

5-10. MIG Welding Connections

(Direct Current Electrode Positive)
!
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.
OM-272989 Page 24
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A complete Parts List is available at www.MillerWelds.com
Polarity
DCEP − Reverse polarity
DCEN − Straight Polarity
1
2
3
4
MIG − DCEP
7
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.
Wire Drive Assembly Cable
Connect to positive (+)
output receptacle
Connect to negative (−)
output receptacle
3
4
(Direct Current Electrode Negative)
6
5
Cable Connections
Work Cable
Connect to negative (−)
output receptacle
Connect to positive (+)
output receptacle
1
2
Flux-Cored − DCEN
8
Ref. 275172A / Ref. 275167A / Ref. 275168A
Connect plug on end of cable to four pin
receptacle inside unit.
8 MIG Shielding Gas Connection
Use 75/25 mix or CO shielding gas for
2
solid wire. Use Argon shielding gas for
aluminum wire with spool gun (see Section
5-12).