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V300-I
OPERATION
B-2 B-2
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OPERATING INSTRUCTIONS
DUTY CYCLE
The Invertec is rated at 300 amps, 60% duty cycle for
3 phase inputs (based on a 10 minute cycle). It is also
rated at 250 amps, 100% duty cycle.
CONTROL FUNCTION / OPERATION
POWER SWITCH - Place the lever in the “ON” position
to energize the machine. When the power is on, the
digital meter will activate and the fan will operate.
ELECTRIC SHOCK can kill.
• Do not touch electrically live parts or
electrode with skin or wet clothing.
• Insulate yourself from work and
ground.
• Always wear dry insulating gloves.
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FUMES AND GASES can be dangerous.
• Keep your head out of fumes.
• Use ventilation or exhaust to remove
fumes from breathing zone.
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WELDING SPARKS can cause fire or
explosion.
• Keep flammable material away.
• Do not weld on closed containers.
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ARC RAYS can burn eyes and skin.
• Wear eye, ear and body
protection.
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See additional warning information at
front of this operator’s manual.
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WARNING
OUTPUT CONTROL - This controls the output voltage
in the CV modes and output current in the CC modes.
Control is provided over the entire output range of the
power source with 1 turn of the control knob. This con-
trol may be adjusted while under load to change power
source output.
LOCAL/REMOTE SWITCH - Place in the “LOCAL”
position to allow output adjustment at the machine.
Place in the “REMOTE” position to allow output adjust-
ment at the wire feeder or with a remote control option
package.
DIGITAL METER SWITCH - Select either “A” for amps
or “V” for volts to display welding current or voltage on
the meter.
When welding current is not present, the meter will dis-
play the set current for the CC modes or the set volt-
age for the CV modes. This set reading is an indication
of machine control setting. For a more precise process
reading, read meter during actual welding.
.
OUTPUT
REMOTE
OFF