Accessories – Lincoln Electric IDEALARC SVM 122-A User Manual
Page 30
FIGURE C.4 – NA-3 WIRE FEEDER
CONNECTION TO THE IDEALARC DC-400
5.
Extend wire feeder control cable lead #21 so it can
be connected directly to the work piece.
a.
Make a bolted connection using AWG #14 or
larger insulated wire. Tape the bolted connec-
tion with insulating tape.
b.
An S-16586- X remote voltage sensing work
lead is available for this purpose.
c.
Keep the #21 lead electrically separate from
the work cable circuit and connection.
d.
Tape the #21 lead to work cable for ease of
use.
NOTE: The connection diagram shown in Figure C.4
shows the electrode connected for positive
polarity. To change polarity:
a.
Set the Idealarc DC-400 POWER toggle
switch to the OFF (0) position.
b.
Move the electrode cable to the negative (-)
output terminal.
c.
Move the work cable to the positive (+) output
terminal.
d.
Set the VOLTMETER toggle switch to nega-
tive (-).
6.
Set the DC-400 OUTPUT CONTROL switch to the
“Remote” position and the OUTPUT TERMINALS
switch in the “Remote” position.
CONNECTING THE NA-5 TO THE
IDEALARC DC-400 (TERMINAL STRIP)
1.
Disconnect main AC input power to the Idealarc
DC-400.
2.
Set the Idealarc DC-400 POWER toggle switch to
the OFF (0) position.
3.
Connect the wire feeder control cable leads to the
Idealarc DC-400 terminal strip as shown in Figure
C.5.
FIGURE C.5 – NA-5 WIRE FEEDER
CONNECTION TO THE IDEALARC DC-400
NOTE: If using a K215 control cable, connect
control cable leads #75, #76, and #77 to
the matching #75, #76, and #77 terminals
on the terminal strip of the Idealarc DC-
400.
4.
Connect the wire feeder control cable ground lead
to the frame terminal marked .
NOTE: The Idealarc DC-400 must be properly
grounded.
ACCESSORIES
C-7
C-7
LINCOLN
®
ELECTRIC
IDEALARC DC-400