Setting Gun Polarity For Wire Type - Miller Millermatic 350P Technical Manual

4-6. Setting Gun Polarity For Wire Type

Wire Drive
Assembly Lead
Shown as shipped − Electrode Positive (DCEP): For
solid steel, stainless steel, aluminum, or flux core with
gas wires (GMAW).
Electrode Negative (DCEN): Reverse lead connections
at terminals from that shown above for gasless flux core
wires (FCAW). Drive assembly becomes negative.
TM-1327 Page 12
Changing Polarity
D
+ -
Positive Negative
Terminal Terminal
Work Clamp Lead
D
1 Polarity Changeover Information
Always read and follow manufacture's
recommended polarity.
1
3/4, 11/16 in.
Ref. 803 541-A
Millermatic 350