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B-2
B-2
V350-PRO
OPERATION
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.
------------------------------------------------------------------------
FUMES AND GASES can be dangerous.
• Keep your head out of fumes.
• Use ventilation or exhaust to remove
fumes from breathing zone.
------------------------------------------------------------------------
WELDING SPARKS can cause fire or
explosion.
• Keep flammable material away.
• Do not weld on closed containers.
------------------------------------------------------------------------
ARC RAYS can burn eyes and skin.
• Wear eye, ear and body
protection.
------------------------------------------------------------
See additional warning information at
front of this operators manual.
-----------------------------------------------------------
WARNING
SAFETY PRECAUTIONS
GENERAL DESCRIPTION
The Invertec V350-Pro offers multi-process CV, CC,
and DC welding and is rated 350 amps, 34 volts at a
60% duty cycle. The V350-Pro is available in either a
Construction version (no wire feeder connection and
auxiliary power) and a Factory & Advanced Process
versions (includes wire feeder connection and related
power)
.
• The factory model is the construction model with
the addition of the Wire Feeder/Remote Adapter.
• In this form, the V350-Pro provides the hardware to
power and connect to 24, 42 or 115 VAC wire feeders.
• The advanced process model is the factory model
with an advanced process panel installed in place of
the standard mode panel. In this form, the V350-Pro
provides access to the 5 standard weld modes (Stick
Soft, Stick Crisp, TIG, CV-Wire, CV-Innershield),
gouge, constant power and pulse MIG weld modes.
DUTY CYCLE
The V350-Pro is rated at 350 amps, 60% duty cycle
(based on a 10 minute cycle). It is also rated at 300
amps, 100% duty cycle.
OPERATIONAL FEATURES and CONTROLS:
UPPER CONTROL PANEL
1. AMPS Meter
• Prior to STICK or TIG operation (current flow), the
meter displays preset current value (+/- 2 amps or
+/- 3%, whichever is greater).
• Prior to CV operation, the meter displays four dash-
es indicating non-presettable AMPS.
• During welding, this meter displays actual average
amps.
• After welding, the meter holds the actual current
value for 5 seconds. Output adjustment while in the
"hold" period results in the "prior to operation" char-
acteristics stated above. The displays blink indicat-
ing that the machine is in the "Hold" period.
2. VOLT METER
• Prior to CV operation (current flow), the meter dis-
plays desired preset voltage value (+/- .5V).
• Prior to STICK or TIG operation, the meter displays
the Open Circuit Voltage of the Power Source or four
dashes if the output has not been turned on.
• During welding, this meter displays actual average
volts.
• After welding, the meter holds the actual voltage
value for 5 seconds. The displays blink indicating
that the machine is in the "Hold" period.
• Output adjustment while in the "hold" period results
in the "prior to operation" characteristics stated
above.
3. OUTPUT CONTROL
• Output control is conducted via a single turn poten-
tiometer.
• Adjustment is indicated by the meters as stated
above.
• When in TIG modes, this control sets the maximum
welding current. Full depression of a foot or hand
Amptrol results in the preset level of current.
4. WELD TERMINALS-REMOTE / ON
• Two status lights indicate the location of trigger con-
trol as determined by the "WELD TERMINALS" push
button.
• If trigger control is local "weld terminals on", the ON
display will be lit.
• If trigger control is remote "weld terminals remotely
controlled", the REMOTE display will be lit.