Ac Or Dc Hf Tig Welding - SanRex SANARG 300AP Operator's Manual

6.02 AC or DC HF TIG Welding

• Connect work lead to positive terminal.
• Connect TIG torch to negative terminal.
• Switch machine on.
• Wait for machine to cycle thru the start-up sequence during which the software version,
followed by the machine code is displayed on the front Panels Digital Display.
• Set DC or AC or AC-SOFT weld current. If AC is selected, then set AC FREQ & WAVE
BALANCE & VR CUR.
• Connect remote control device. A remote control device is required for use during LIFT
TIG and HF TIG operation. See section 4.03, "14-PIN Remote Control Receptacle", for
complete details of the remote device.
• Enable the WATER COOLING function of the welding power source when utilizing water
cooled TIG torches
Use the Scroll Buttons to move to the parameter to be set. An illuminated LED indicates which
function is being adjusted on the weld sequence graph. Use the control knob to adjust each
parameter.
• Set PRE-FLOW time.
• Set HOT START current.
• Set POST-FLOW time.
• Set (WELD) PEAK CUR current.
• Set POST-FLOW time.
Slope Mode Parameters if required.
• Set INTIAL CUR current.
• Set UP SLOPE time.
• Set (WELD) PEAK CUR current.
• Set BASE current.
• Set DOWN SLOPE time.
• Set CRATER CUR current.
Pulse Mode parameters if required.
• Set PULSE WIDTH % for PEAK CURRENT.
• Set PEAK CURRENT.
• Set PULSE FREQ.
Commence welding.
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