Paralleling CST Units For SMAW Welding. Miller BIG BLUE 450 DUO CST, BIG BLUE 450 DUO CST (CST 282)

�

Complete Parts List is available at www.MillerWelds.com

5-11. Paralleling CST Units For SMAW Welding

1 2

Stop engine.

Failure to properly size and connect weld cables may cause excessive heat and start a fire, or damage your machine.

NOTICE – When making weld connections with a common cable, connect separate cables of adequate size and equal length to the weld output receptacles. Where the weld cables are joined, be sure connecting hardware is adequate for expected amperage and that the junction is properly insulated.

NOTICE – When using these connections as a common work terminal, all connections must be of the same polarity.

NOTICE – For common work connection, work cable must be able to carry combined

weld output of both modules (see Section 5-

8 for proper cable size).

NOTICE – Do not exceed machine duty cycle

1 Electrode Holder Cable For DCEP

2 Common Work Cable

For Stick welding Direct Current Electrode

Positive (DCEP), connect common work cable to workpiece.

Connect electrode holder cable to Positive

(+) receptacles.

For Stick Direct Current Electrode Negative

(DCEN), reverse connections.

�

Be sure Process Select switches are set the same. Be sure Amp Adjust controls are set the same. See Section

6-4.

OM-294672 Page 31