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®
SQUARE WAVE
TIG 200
CASE FRONT CONTROLS
The front panel includes a "Process Mode Button," an "Settings"
button and one encoder knob.
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Item Description
* Pressing the Process Mode Button for 10 seconds will reset
the settings to factory default.
Digital Display
Current (A)
Pulses per Second (PPS)
AC Frequency (Hz)
AC Balance (%EN: Electrode Negative)
Status Lights
Powered ON - illuminates when power is supplied and switch is set to
on position.
VRD - illuminates when voltage reduction device is active. VRD is
active in Stick and TIG modes when welding is not occuring. VRD
can reduce the potential for hazardous electric shock
Process Mode Button
Thermal Trip - illuminates or flashes when a thermal trip is present.
Selecting the Mode button allows access to change the setting
from DC- TIG, AC TIG, or Stick see A.1, A.2 for stick polarity setup.
Settings Button
(Pulse Frequency, AC Balance, AC Output
Frequency)
The Settings button will allow the user to gain access to Pulse
Frequency, AC Balance, and AC Output Frequency Controls.
DC – TIG:
1. Pressing the Settings button to gain access to the Pulse setting.
Use the main encoder knob to make a change to the pulse
setting (0ff - 20PPS), which is set to "Off" as a default setting.
The pulse setting automatically regulates the output current
between the peak amperage setting, and a background
amperage setting that is equal to 50% of the peak amperage
setting.
2. Pressing this button a second time will return to the amperage
control setting.
AC TIG:
1. As in the case of DC – TIG, press the Settings button to gain
access to the Pulse setting. Use the main encoder knob to make
a change to the pulse setting (0ff - 20PPS), which is set to "Off"
as a default setting. The pulse setting automatically regulates
the output current between the peak amperage setting defined in
the display, and a background amperage setting that is equal to
50% of the peak amperage setting.
2. Pressing the Settings button a second time, will allow access to
the AC Balance Setting, at which point using the main encoder
knob will allow change from the default 75% EN setting, to a
value in between 60% EN and 90% EN (Electrode Negative).
3. Pressing the Additional Settings button a third time will allow
access to the AC Output Frequency Setting, at which point using
the main encoder knob will allow change from the default 90Hz
setting, to a value in between 60Hz and 150Hz.
4. Pressing this button a fourth time will return to the amperage
control setting.
In the event that no selection is made within any setting for six
seconds, the setting will exit and return to the amperage control
setting.
B-2
INSTALLATION
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