Tweco 185TSW DC CC - Manual (Page 33)

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1. Pulse function – Pressing this button enables the TIG current pulse functions.
2. Scroll Buttons – used to select the parameters to be set. The LED’s show which function is being
adjusted on the Sequence Graph.
3. TIG Mode Functions – Pressing this button scrolls through the output TIG function modes (Standard,
Slope, Slope w/repeat, Spot).
4. Digital LED display – Welding amperage and parameter values are displayed in this window. Internal
warnings such as over temperature, low or high input voltage applied are signaled to the operator by a
warning sound and error message on the screen.
5. Control knob – allows the operator to adjust the output amperage within the entire range of the power
source, also used to set each parameter value. Pushing the knob inward displays the actual welding
voltage.
6. Process Button – This button selects between STICK, Lift or HF TIG mode. A remote control
device is required for use during LIFT TIG and HF TIG operation. See section 4.01, section 2
“Remote Control Socket”, for complete details of the remote device.
7. AC/DC Button – Selects between AC or DC welding output.
6.01 Stick Welding
•
Connect work lead to negative terminal
•
Connect electrode lead to positive terminal
•
Switch machine on
•
Set AC or DC weld current. If AC is selected then set AC FREQ to 60Hz & WAVE
BALANCE to 50%.
•
Connect remote control device if required
Use the Scroll Buttons to move to the parameter to be set. The LED will show which
function is being adjusted on the weld sequence graph. Use the control knob to adjust each
parameter.
•
Set HOT START
•
Set WELD current
Commence welding