Making Dual Operator Mode Cc Weld Connections W/ Common Work Cable - Miller Big Blue 700 Duo Pro DLX SF Owner's Manual

5-8. Making Dual Operator Mode CC Weld Connections w/ Common Work Cable

Welder A (Left) Side
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Stop engine.
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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 work cable, connect weld
cable of adequate size between Negative
(−) weld output terminals, and connect a
single weld cable of adequate size from
Welder B (right) Negative (−) terminal to the
workpiece.
NOTICE − When using these connections
as a common work terminal, all connec-
tions must be of the same polarity.
NOTICE − For common work connection,
OM-252624 Page 32
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Complete Parts List available at www.MillerWelds.com
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Optional Weld Selector switch shown.
Direct Current Electrode Positive
(DCEP) connections are shown.
work cable must be able to carry combined
weld output of both modules (see Section
5-14 for proper cable size).
NOTICE − Do not exceed machine duty
cycle.
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Use Dual Operator mode for CC and
CV welding (see Section 6-2).
1 Electrode Holder Cables
2 Work Jumper Cable
3 Common Work Cable
For Stick/TIG welding Direct Current Elec-
trode Positive (DCEP), connect common
work cable and work jumper cable to
Welder B (right) Negative (−) terminal. Con-
Tools Needed:
Welder B (Right) Side
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Ref. 251 340-A / Ref. 802 292-A
nect other end of work jumper cable to
Welder A (left) Negative (−) terminal.
Connect electrode holder cables to Positive
(+) terminals.
For Stick/TIG Direct Current Electrode
Negative (DCEN), connect common work
cable and work jumper cable to Welder B
(right) Positive (+) terminal. Connect other
end of work jumper cable to Welder A (left)
Positive (+) terminal.
Connect electrode holder cables to Nega-
tive (−) terminals.
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Be sure Process Selector switches are
set correctly. See Section 6-3.
3/4 in.
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