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20 memory stores, pulse welding, slope up/down, remote foot pedal, option and an industrial 60% duty cycle. We want you to take as much pride in operating our TIG202DC-TFT Digital as much pride as we have in making this product for you. Please read all information in this manual before operation PLEASE EXAMINE CARTON AND EQUIPMENT FOR DAMAGE IMMEDIATELY When this equipment is shipped, title passes to the purchaser upon receipt from the courier.
Welding Capability – Duty Cycle The R-Tech TIG202DC Digital is rated at 200 Amps at 60% duty cycle on a ten minute basis. If the duty cycle is exceeded a thermal protector will shut machine off until the machine cools.
Safety Precautions Read entire section before starting installation. Warning! Electric Shock can kill – Only qualified personnel should perform this installation. Turn off input power at the fuse box before working on this equipment. Do not touch electrically live parts. Always connect the machine to an earthed mains supply as per national recommended standards.
Electrical installation WARNING ELECTRIC SHOCK CAN KILL Electric Shock can kill – Only qualified personnel should perform this installation. Turn off input power at the fuse box before working on this equipment. Do not touch electrically live parts. Always connect the machine to an earthed mains supply as per national recommended standards.
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Do not touch electrically live parts The TIG202DC TFT DIGITAL Inverter Tig Welder requires a 110V/240V 50/60Hz supply. It requires a 21A supply @240v and 27A @110V. It comes with a 2.5 metre mains cable attached.
Connections Front panel connections TIG mode - negative con- Quick release gas 7 pin socket for torch TIG mode - connect nector for TIG torch torch connector switch or remote earth lead foot pedal MMA mode - connect MMA mode - connect earth to negative MMA lead Rear panel connections...
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Rear panel connections cont.. Extra earth connection Extra earth connection, used if you experience local interference (not normally used)
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Front panel Digital Colour Screen Easy to navigate menu system EASY SET mode - Pre-programmed weld settings DC TIG & MMA 1 - SELECT knob - Press to cycle through welding options Turn knob so option required turns RED. Now press in knob and value will turn RED. Now turn to adjust setting to desired value.
MMA (STICK) in Manual mode DC EASY MODE R-Tech Easy mode takes the guesswork out of TIG welding. You normally had to enter all weld settings before beginning to weld on manual welders, we have done this for you. You simply select the following from easy to understand screen.
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DC EASY MODE In this screen you can adjust 4 settings Trigger operation 2T/4T/PEDAL/2T+F/4T+F Start type - HF/Lift Tungsten size Work thickness Turn selector knob until Trigger option is highlighted in RED as below. Now press in selector knob again so option turns RED Now turn knob to select 2T, 4T, Pedal, 2T+P, 4T+P Once you have desired setting, press selector knob in and setting will turn white You can now turn knob to select Start type...
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DC EASY MODE cont.. Start mode Turn selector knob until START option is highlighted in RED as below. Now press in selector knob again so option turns RED Now turn knob to select HF or LIFT start mode Once you have desired setting, press selector knob in and setting will turn white You can now turn knob to select Tungsten...
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DC EASY MODE cont.. Tungsten size Turn selector until TUNGSTEN option is highlighted in RED as below. Now press selector knob again so option turns RED as below Now turn knob to select tungsten size. Options are 1.6mm and 2.4mm Once you have desired setting, press selector knob in and setting will turn white You can now turn knob to select Work thickness...
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DC EASY MODE cont.. Work Thickness Turn selector until WORK THICKNESS option is highlighted in RED as below. Now press selector knob in so option turns RED as below Now turn knob to select work thickness. Options are 1.6mm Tungsten = 0.8, 1.0, 1.2, 1.5, 2, 3mm 2.4mm Tungsten = 0.8, 1.0, 1.2, 1.5, 2, 3, 4, 5, 6mm Once you have desired setting, press selector knob in and setting will turn white The amperage for job is now displayed - you can now start welding.
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DC MANUAL MODE R-Tech DC TIG manual mode gives you full control over every weld parameter available. DC Modes available. DC Standard (No pulse) DC Pulse TO ENTER MANUAL MODE - Press HOME button, then from HOME page turn dial and select TIG by pressing menu select button.
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DC MANUAL MODE cont.. START MODE Turn selector until START is highlighted in RED, now press selector to highlight setting below in RED, turn dial to required setting, then press selector in to set. HF Options HF start - normal auto arc starting. LIFT - Lift start for welding without HF when working on vehicles to protect electronics.
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DC MANUAL - HOME SCREEN cont.. REMOTE Options 2T - Press trigger to start weld, release to finish weld. 4T - Press and hold trigger to start weld at start amps, release trigger to go to main amps. To finish weld - Press and hold trigger to go to end amps, release and weld will stop.
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DC MANUAL - HOME SCREEN cont.. Amperage adjustments Turn selector knob so amperage on left is highlighted in RED, press select button in, then adjust to re- quired amperage, you are now ready to go to 2nd settings screen. Below is image of 2nd level TIG manual screen. Here you can select Pre-flow gas time Start amps...
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Main welding settings screen. After setting home screen settings as required, now press the menu select button and the 2nd level screen will be shown as below. Pre-flow Gas Use select knob to highlight setting, then press, then adjust required Pre-flow gas time, then press select knob to enter.
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Up slope Use select knob to highlight setting, then press, then adjust required Up-slope time, then press select knob to enter. Adjustable between 0 - 10 seconds Down slope Use select knob to highlight setting, then press, then adjust required Down-slope time, then press select knob to enter.
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End amps Use select knob to highlight setting, then press, then adjust required end amps, then press select knob to enter. Adjustable between 3A - 200A Post flow gas time Use select knob to highlight setting, then press, then adjust required Post-flow gas time, then press select knob to enter.
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DC Manual with PULSE ON After selecting PULSE on home screen you will now see 3 further options in DC manual 2nd screen. Pulse Time Use select knob to adjust required pulse time, then press to enter setting. Adjustable between 5 - 95% Pulse Frequency Use select knob to adjust pulse frequency then press, then press to enter setting.
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DC Manual with PULSE ON cont.. Pulse Amps Use select knob to adjust pulse amps then press to enter setting. Adjustable between 3 - 100% Now you have set the 3 required pulse settings you can start your weld. Brief explanation of pulse settings Pulse time When pulse welding you have the main (peak) and base (background) amperage.
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Memory store save and load function 20 memory stores are available so you can save your preferred weld settings. To access program save menu, press the SAVE/LOAD button for 3 seconds. The following screen will appear. DC TIG - NO PULSE Use the select knob to move to required save slot.
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DC STICK in MANUAL mode DC MMA EASY MODE R-Tech EASY SET mode takes the guesswork out of MMA welding. You normally had to enter all weld settings before beginning to weld on manual welders, we have done this for you.
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Selecting EASY SET STICK MMA parameters Use the select knob to move between each setting - once setting is highlighted in RED press control knob to highlight setting in RED then turn to change. Once correct setting is selected, press knob again to enter.
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MMA - STICK WELDING MANUAL MODE DC STICK in MANUAL mode TO ENTER MANUAL MODE - Press HOME button, then from HOME page turn dial and select STICK by pressing in menu select button. Use the select knob to move between each setting - once setting is highlighted in RED press control knob to highlight setting in RED then turn to change.
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MMA - STICK WELDING MANUAL MODE cont.. After setting home screen settings as required, now press the menu select button on right of screen and the 2nd level screen will show as below. DC MODE - STICK SETTINGS You can now select the following 3 parameters. Turn select knob to highlight setting in yellow, press again to highlight in red, adjust as required then press knob in to set.
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Allow machine to cool down and check fan vents for obstructions E02 - Overcurrent Reset machine and if problem persists contact R-Tech support team. E05 - Shorted Trigger This will show after the torch trigger or foot pedal has been pressed and the arc has not been established after 4 seconds.