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NOTE: If a COOLER TIG torch cooling unit is
connected to the machine, it will be turned
ON/OFF by the Green Mode feature.
Gas Inlet: Connector for the TIG shielding gas. Use
the supplied connector to connect the machine to
the gas source line. The gas source must have a
pressure regulator and flow gage installed.
Power supply socket for COOLER: 400Vac socket.
Connect here the COOLER cooling unit.
Controls and Operational Features
Machine Start-Up:
When the machine is turned ON an auto-test is executed:
during this test all the LEDs turn ON for a moment; at the
same time the displays shown "333" and then "888".
During the start-up the fan is activated for a short time,
then it will restart with welding operations.
The Machine is ready to operate when on the Front
Control Panel lights up the "Power ON" LED, the
"A" LED (placed on the middle of the synoptic) with
one of the LED of the Welding "MODE" command.
This is the minimum condition: depending by the
welding selection others LEDs may be ON.
Front Panel Indicators and Controls
Power ON LED:
This LED blinks during the machine start-up and lights
up steadily when the machine is ready to operate.
If the Input Voltage Overrange protection becomes
active, the Power ON LED starts blinking and an
error code is shown on the displays. The machine
restarts automatically when the Input Voltage returns
in the correct range. For further detail read the Error
Codes and Troubleshooting section.
Remote LED:
This indicator will turn on when a Remote command
is connected to the machine via the remote control
connector.
If a Remote command is connected to the Machine,
the Output Current knob operates in two different
modes: STICK and TIG:
STICK mode: with a Remote command
connected the output of the machine is ON. A
Remote Amptrol or Pedal are allowed (trigger is
ignored).
Connecting the Remote command excludes
the Output Current Knob of the Machine's user
interface. Through the Remote command is
available the full Output Current Range.
TIG mode: in Local and remote mode the
output of the machine is OFF. A Trigger is
necessary to enable the output.
The Output Current range selectable from the
Remote command depends by the Machine's
user interface Output Current Knob. Eg.: if the
Output Current is set to 100A with the Machine's
user interface Output Current Knob, the Remote
command will adjust the Output Current from a
minimum of 5A to a maximum of 100A.
Remote Pedal: For a correct use, the "option
30" must be enabled in the setup menu:
2-step sequence is automatically selected
Upslope / Downslope ramps and Restart
are disabled.
Spot, Bi-Level and 4-step functions
aren't selectable
(Normal operation is restored when the
Remote command is disconnected.)
Thermal LED:
This indicator will turn on when the machine is
overheated and the output has been disabled. This
normally occurs when the duty cycle of the machine
has been exceeded. Leave the machine on to allow the
internal components to cool. When the indicator turns
off, normal operation is again possible.
Mode Pushbutton:
This pushbutton changes the welding modes of
the machine:
Stick
(SMAW)
Lift TIG
(GTAW)
HF TIG
(GTAW)
Spot TIG
(GTAW)
The Spot TIG feature is selectable only if the
"option 10" is previously enabled in the Setup
Menu. See "Setup menu" section for options
enabling / disabling.
Each welding mode is detailed in the Operating
instruction section.
7
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