Process/Polarity Table; Changing Polarity - Miller MILLERMATIC 135 Owner's Manual

4-4. Process/Polarity Table

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

4-5. Changing Polarity

Electrode POSITIVE Electrode Positive
FOR SOLID WIRE FOR SOLID WIRE
1
Polarity Polarity
DCEP − Reverse polarity
DCEN − Straight Polarity
C H A N G IN G P O L A R IT Y C H A N G IN G P O L A R IT Y
DCEP DCEP
W orkClamp W orkClamp
L ead L ead
W ire Drive W ire Drive
L ead L ead
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Cable To Gun
Connect to positive (+) out-
put terminal
Connect to negative (−)
output terminal
DCEN DCEN
Electrode Negative Electrode Negative
Flux Core Wire Flux Core Wire
W orkClamp W orkClamp
L ead L ead
W ire Drive W ire Drive
L ead L ead
Cable Connections
Cable To Work
Connect to negative (−) output
terminal
Connect to positive (+) output
terminal
1 Lead Connections For Direct
Current Electrode Positive
(DCEP)
2 Lead Connections For Direct
Current Electrode Negative
(DCEN)
Always read and follow wire
manufacturer's recommended po-
larity, and see Section 4-4.
Close door.
2
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