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  5. Operation Instructions Manual

R-Tech TIG161 Operation Instructions Manual

Manual is about: AC/DC TIG WELDER

Summary of TIG161

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    Tig315 ac/dc tig welder operation instructions www.R-techwelding.Co.Uk.

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    3 thank you for selecting the r-tech tig315 inverter ac/dc tig welder. The tig315 has many benefits over traditional tig welders, including 250hz ac frequency adjustment, squarewave balance control, full pulse welding, slope up/down, remote foot option and an industrial 60% duty cycle we want you to...

  • Page 4: Introduction

    4 introduction the r-tech tig315 is a member of our field acclaimed family of welding products. Premium features include:- 1. Inverter power source – more efficient to operate, provides smoother weld characteristics. 2. Ac squarewave frequency adjustment to 250hz 3. Ac squarewave balance control 4. ...

  • Page 5: Safety Precautions

    5 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 t...

  • Page 6: Electrical Installation

    6 electrical installation warning! Electric shock can kill machine grounding and high frequency interference protection this welder must be grounded to earth. See national electrical codes fro proper grounding methods. The high frequency generator being similar to a radio transmitter may cause inter...

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    7 make sure fuse or circuit breaker is correct rating for machine. Using fuses or circuit breakers smaller than recommended will result in ‘nuisance’ shut off from welder inrush currents even if welding at low amperages. Failure to follow these instructions can cause immediate failure within the wel...

  • Page 8: Connections For Tig315

    8 connections for tig315 rear machine connections fig 1 1. On/off switch 2. Auxiliary 240v ac output for water cooler – maximum load 3a – do not connect to power tools etc 3. Fuse holder 3a fuse for water cooling socket 4. Mains input cable fit required plug as per your electrical installation 5. Ga...

  • Page 9

    9 connections for tig (gtaw) welding fig 2 1. Positive power connector + connect the earth lead to by inserting and twisting until tight and the earth clamp to work/bench. 2. Gas outlet connect the torch gas hose 3. Negative power connector - connect tig torch dinze to power connector by inserting a...

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    10 connections for stick mma (smaw) welding fig 3 1. Positive power connector + connect the electrode holder by inserting and twisting until tight 2. Negative power connector - connect the earth lead to by inserting and twisting until tight and the earth clamp to work/bench..

  • Page 11: Controls and Settings

    11 controls and settings fig 4 1. Base current control this adjusts the main welding current and is shown in l.E.D (fig 4.11) 2. Pulse peak current adjustment this sets pulse amperage and must be set above the base (main) current amperage. If set to zero pulse welding is disabled. 3. Led display 3 d...

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    12 tip. If you are welding close to the tungsten limits, i.E 200amps on a 2.4mm tungsten and the end of tungsten is wobbling and falling off, turning down the sp% will give better tungsten stability 5. Ac squarewave frequency adjuster ac squarewave frequency adjustment 20-250hz. Traditional tig weld...

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    13 when the trigger mode is in the 2 step position the following sequence will occur press and hold the tig torch switch to start sequence. The machine will open gas valve to start flow of shield gas, after a 0.5 seconds pre-flow time to purge air from torch hose the welding output of machine will b...

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    14 the machine will open gas valve to start flow of shield gas, after a 0.5 seconds pre-flow time to purge air from torch hose the welding output of machine will be turned on and the arc will be started. After the arc is started the output current will be at start (min) current this condition can be...

  • Page 15: Operating Machine

    15 operating machine safety precautions warning! Electric shock can kill do not touch electrically live parts or electrode with skin or wet clothing. Insulate yourself from work and ground always wear dry insulating gloves warning! Fumes and gases can be dangerous keep your head out of fumes & gases...

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    16 welding in tig mode – no pulse – no remote foot pedal 1. Connect the tig torch and earth lead to machine & work piece. 2. Set the tig/mma switch to tig 3. Select either dc (steel) or ac (alloys) 4. Select 2 or 4 way torch operation 5. Connect argon gas and set flow to approx 8-12 lpm 6. Set gas p...

  • Page 17

    17 note: when welding with remote foot pedal pre-set amperage in led display will show what the maximum amperage foot pedal will go to (what base amperage control knob is set to), upon welding it will show actual welding amperage. Upon pressing of foot pedal welding arc will start, if you find it ha...

  • Page 18

    18 tig tungsten size / amperage guide all values below are based on using pure argon shielding gas. Other current values may be employed depending on the shielding gas and application electrode ratings electrode diameter (mm) 2% thoriated on dc (amps) red tip – grind to point pure tungsten on dc (am...

  • Page 19: Maintenance

    19 maintenance routine and periodic maintenance warning! Electric shock can kill turn the input power off at the mains switch & fuse box before working on this equipment. Have a qualified electrician install & service this equipment. Allow machine to sit for 5 minutes minimum to allow the power capa...

  • Page 20: Tig Welding Problems

    20 tig welding problems • no output - power light is not lit check machine on/off switch is in the ‘on’ position check input power to machine check plug wiring check mains trip / fuses • no output - fan runs - power light is lit check torch connections are secure and torch switch operation, try repl...

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    21 • machine stuck on minimum amps when welding although higher amperage has been set make suremachine has not been set to 4-way operation as when in this mode when you press torch switch you get minimum amps and when you let go of switch machine will go to maximum amps set. • when using foot pedal ...

  • Page 22

    22 • hf spark is present at the tungsten electrode but unable to start welding arc, machine has normal welding output 1 tungsten may be contaminated - replace or sharpen 2 the current may be set too low 3 tungsten may be to large for process 4 gas flow may be insufficient, increase gas flow, reduce ...

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