Lincoln Electric INVERTEC V300-PRO SVM105-B Service Manual page 16

B-4
METER POLARITY SWITCH
The wire feeder polarity switch is located at the rear of
the machine. The switch provides a work connection
for wire feeder voltmeters. Place the switch in the posi-
tion of the electrode polarity indicated by the decal.
The switch does not change the welding polarity.
OPERATION
LINCOLN
-
OUTPUT TERMINALS
V300-PRO
AUXILIARY POWER
A 24 VAC @ 1 amp supply is included for use with the
LN-25 wire feeder (24 volts needed for K431 and
K432 options). This supply is protected by a self-
resetting current limiter.
A 42 VAC @ 5.5 amp supply is included for use with
other wire feeders. This supply is protected by a 6
amp breaker located on the rear of the machine.
A 110/115 VAC @ 2 amp supply is included for use
with the LN-7 or LN-9 GMA wire feeders. This supply
is protected by a 2.5 amp breaker located on the rear
of the machine. It is NOT available on IEC units.
All three supplies are not to be loaded simultaneous-
ly
+
B-4