Installation – Lincoln Electric IM644 Commander 500 User Manual
Page 17

A-9
INSTALLATION
COMMANDER 500
A-9
CONNECTION OF AN LN-23P WIRE
FEEDER TO THE COMMANDER 500
a. Shut the welder off.
b. Connect the LN-23P per instructions on the appro-
priate connection diagram in the DIAGRAMS sec-
tion. (NOTE): When connecting an LN-23P to the
Commander 500, a K350-1 adapter kit must be
used.
c. Set the
“
VOLTMETER
”
switch to
“
-
”
.
d. Set the
“
SELECTOR
”
switch to
“
WIRE WELDING
”
position.
e. Set the
“
WELDING TERMINALS
”
switch to
“
WELD-
ING TERMINALS ALWAYS ON
”
.
f. Set the ARC CONTROL to desired crispness. SOFT
for MIG - crisp for Innershield.
g. Set the
“
LOCAL/ REMOTE
”
switch to the desired
setting depending upon where the power sources
output is being controlled from.
h. Set the
“
IDLE
”
switch to the
“
HIGH
”
position. If you
are using an LN-23P with the K350-1 adapter kit,
the electrode is not energized until the gun trigger is
closed.
CONNECTION OF AN NA-3 AUTOMATIC
WELDING SYSTEM TO THE COMMANDER
500
For connection diagrams and instructions for connect-
ing an NA-3 Welding System to the Commander 500,
refer to the NA-3 Welding System instruction manual.
The connection diagram for the LN-8 can be used for
connecting the NA-3.
CONNECTION OF AN LN-742 TO THE
COMMANDER 500
(Requires optional K1597-1,
42 VAC Transformer Kit).
a. Shut the welder off.
b. Connect the LN-742 per instructions on the appro-
priate connection diagram in the DIAGRAMS sec-
tion.
c. Set the
“
LOCAL/ REMOTE
”
switch to REMOTE.
d. Set the
“
WIRE FEEDER VOLTMETER
”
switch to
either
“
+
”
or
“
-
”
as required by the electrode being
used.
e. Set the
“
SELECTOR
”
switch to the
“
WIRE WELD-
ING-CV
”
position.
f. Adjust the
“
ARC CONTROL
”
knob to desired
Crispness.
SOFT for MIG and CRISP for
Innershield.
g. Set the
“
WELDING TERMINALS
”
switch to the
“
WELDING TERMINALS
”
REMOTELY CON-
TROLLED
”
position.
h. Set the
“
IDLE
”
switch to the
“
AUTO
”
position. When
not welding, the Commander 500 engine will be at
the low idle speed.