Miller Multimatic 200 - Wire Welding Connections

. A complete Parts List is available at www.MillerWelds.com
OM-253392 Page 18
5-4. 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 (+) out-
put receptacle
Connect to negative (−) out-
put receptacle
FCAW − Self-shielding wire − no shielding
gas
DCEN − Straight Polarity Connect to negative (−) out-
put receptacle
Connect to positive (+) out-
put receptacle
5-5. Wire Welding Connections
Ref. 254 252-B / Ref. 254 249-C / Ref. 254 247-B
! Turn off unit and disconnect input
power before making connections.
! Do not use worn, damaged, under-
sized, or repaired cables.
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 5-6).
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
5-7).
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