NewArc WFU12A-ILS Operational Manual page 11

1. Mode
Toggles between the 3 modes
- constant voltage (CV)
- constant current mode (CC)
- 2 modes CC1 & CC2 (CC diode flashes)
2. Adjustment Control
CV mode:
Press the control knob once to select each function.
(Turn the knob to adjust).
• Wire Speed
• Burn Back
• Slow Start
• Pre Gas
• Post Gas
CC modes:
CC1 - CC <1.2 Dedicated for wire sizes of 1.2mm or below
CC2 - CC 1.6+ Dedicated for wire sizes of 1.6mm or greater.
Press the control knob once to select each function. (Turn the knob to adjust).
• Burn Back
• Pre Gas
• Post Gas
• Wire Speed
Note! The wire speed setting is the maximum wire speed. The wire speed will change to help keep the welding
condition. Press and hold the control knob to access the advanced menu. (Turn the knob to adjust).
• Meters/Inches (Turn knob to select).
• Activity Counter - this is a log, in hours, of how long the unit has been in operation. Turn the knob to view the
total hours.
• Version - Indicates the program version.
• Temperature - Indicates the operating temperature :
TS - Supply Circuit Temp.
TD - Drive Circuit Temp.
3. Wire Inch - Initiates wire-feed without having to press the MIG torch switch, Used when feeding the wire
through the torch when changing spools.
4. Gas Test
Press to test gas flow.
Torch - Changes the mode of operation of the MIG torch switch between 2T, 4T & 4D. In 2T, the MIG torch switch is
pressed to start welding and released to stop. In 4T, the torch switch is pressed and released to start welding and
pressed and released again to stop welding. 4D is similar to 4T but with a delay time of 1 seconds before it latches
on, this allows a quick tack weld feature in latch mode.
Note! During welding the MF36 displays the voltage (U) of the welding arc. If the optional current transducer LEM
circuit is fitted
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WFU12A-ILS