Unimig ENVY TIG 230 AC/DC Operating Manual
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Unimig ENVY TIG 230 AC/DC Operating Manual

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TIG230
U11024 | Operating Manual

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Summary of Contents for Unimig ENVY TIG 230 AC/DC

  • Page 1 TIG230 U11024 | Operating Manual...

  • Page 2: Table Of Contents

    6.9 Installing the Gas Bottle & Testing the Gas Flow 6.9.1 Testing the Gas Flow 6.10 Regulator Safety & Operation 6.11 Installing the Gas Bottle on the Trolley 7. Operation 7.1 Preparing for Operation 7.2 Control Panel Layout & Operation 7.3 MMA Mode 7.3.1 Welding Parameters 7.3.2 Advanced Welding Parameters ENVY TIG 230 AC/DC Operating Manual...
  • Page 3 15. Welding Processes & Features Glossary 16. TIG Torch & Consumables 16.1 T2 TIG Torch 16.2 T2 TIG Torch Consumables 16.2.1 Standard TIG Setup 16.2.2 Standard Quartz TIG Setup 16.2.3 SUPER Series Ceramic TIG Setup 16.2.4 SUPER Series Quartz TIG Setup 17. Recommended Accessories ENVY TIG 230 AC/DC Operating Manual...

  • Page 4: Safety

    Due to the many variables in the welding field and the evolving nature of both the field and the UNIMIG product line, Welding Guns of Australia Pty Ltd.

  • Page 5: Electric Shock

    Magnetic fields can affect Implanted Medical Devices. • Wearers of Pacemakers and other Implanted Medical Devices should keep away. • Implanted Medical Device wearers should consult their doctor and the device manufacturer before going near any arc welding. ENVY TIG 230 AC/DC Operating Manual...

  • Page 6: Fire Hazard

    • Use the proper tools and insulated welding gloves and clothing to handle hot parts and prevent burns. Noise Hazards The noise from some processes or equipment can damage hearing. • Wear approved ear protection if the noise level is high. ENVY TIG 230 AC/DC Operating Manual...

  • Page 7: Gas Cylinders

    • Always ventilate confined spaces or use an approved air-supplied respirator. PLEASE NOTE that under no circumstances should any equipment or parts be altered or changed in any way from the standard specification without written permission given by UNIMIG. To do so will void the warranty.

  • Page 8: Input Power Requirements

    Australia and New Zealand. Depending on the specific machine, it may be necessary for UNIMIG to use a 32A single-phase plug. This is to make sure that the input supply plug and lead remain cool and do not overheat when the machine operates at its maximum capacity.

  • Page 9: Circuit Breaker Recommendation

    Lead thickness (mm ) based off combined lengths of electrode and earth cable Current (A) Duty Cycle (%)  Up to 15m 16-30m 31-45m 46-60m 61-75m ENVY TIG 230 AC/DC Operating Manual...

  • Page 10: Extension Cord Data

    Usage of generators that don’t meet the clean power standard (5% or lower THD) is not recommended. Not following these recommendations can cause insufficient power, which can lead to unstable arc behaviour, reduced penetration, and poor weld quality. In some instances it can also cause damage to your equipment. ENVY TIG 230 AC/DC Operating Manual...

  • Page 11: Package Contents

    Package Contents 3. Package Contents ENVY TIG 230 AC/DC Welder 4m T2 TIG Torch Quick Connect Gas Hose Argon Flowmeter 300A Earth Clamp 400A Electrode Holder 15A to 10A Conversion Lead Manual ENVY TIG 230 AC/DC Operating Manual...

  • Page 12: Technical Specifications

    The serial number of the device is marked below the data plate on the underside of the machine. It is important to make correct reference to the serial number of the product when ordering spare parts or making repairs, for example. 1.0002.K395-E 12311160001 ENVY TIG 230 AC/DC Operating Manual...

  • Page 13: Duty Cycle & Overheating

    MMA (10A Mode) - 10% @ 200A, at 40°C ambient temperature WELDING TIME RESTING TIME 1 Minute 9 Minutes 10 Minutes MMA (15A Mode) - 20% @ 200A, at 40°C ambient temperature WELDING TIME RESTING TIME 2 Minutes 8 Minutes 10 Minutes ENVY TIG 230 AC/DC Operating Manual...

  • Page 14: Pinout

    TIG trigger signal Ground (GND) for TIG trigger signal Ground (GND) Not in use Communication signal - TX Common ground for TIG Up-Down torch Communication signal - RX Not in use Positive power for digital torch ENVY TIG 230 AC/DC Operating Manual...

  • Page 15: Machine Overview

    The first of its kind, the new silicon carbide (SiC) IGBT is Generator Compatible the next-generation of semiconductor technology. Going off the grid? The ENVY TIG 230 AC/DC can be The silicon carbide IGBT can easily achieve a high connected to a generator, we recommend one with at switching frequency of 100K.

  • Page 16: Mma Features

    Higher Pulse Frequency in AC & DC With a pulse frequency as high as 999 pulses per second in both AC and DC TIG, you can get as many pulses as you need for any scenario. ENVY TIG 230 AC/DC Operating Manual...

  • Page 17: Machine Layout

    Front Panel Layout 1. Display Panel 2. 12 Pin Outlet 3. Negative Dinse Connector (-) 4. Gas Outlet 5. Positive Dinse Connector (+) Back Panel Layout 6. Power Switch 7. Power Cable 8. Gas Inlet ENVY TIG 230 AC/DC Operating Manual...

  • Page 18: Installation

    2. Place the machine on top, lining it up so the water cooler connection port lines up and the feet of the machine sit over the mounting brackets. Unscrew the four screws in the two mounting brackets on the top of the water cooler if they are already installed. ENVY TIG 230 AC/DC Operating Manual...
  • Page 19 Installation 3. Screw the four screws back into the feet of the machine into the mounting bracket holes. ENVY TIG 230 AC/DC Operating Manual...

  • Page 20: Installing Equipment On The Trolley (Optional)

    1. Attach the two L shaped mounting brackets onto the trolley. Group 4 2. Place the machine on the trolley, so that the feet sit over the mounting brackets, and screw it in via the mounting points. ENVY TIG 230 AC/DC Operating Manual...

  • Page 21: Installing The Water Cooler & Machine

    1. Attach the two feet mounts to the bottom of the water cooler. It is recommended to do this before connecting the machine. Group 4 2. Place the water cooler and machine on the trolley and screw it in via the mounting points. ENVY TIG 230 AC/DC Operating Manual...

  • Page 22: Assembling A T2 Tig Torch

    1. Place the head gasket onto the torch head. 2. Screw the heat zone isolator onto the torch head. Fasten securely. 3. Insert the collet body into the torch head. Align the groove with the inside of the torch head. ENVY TIG 230 AC/DC Operating Manual...
  • Page 23 Installation 4. Screw the back cap onto the torch head, don’t tighten completely. 5. Insert the tungsten electrode into the collet body. ENVY TIG 230 AC/DC Operating Manual...
  • Page 24 6. Slide on the ceramic cup over the collet body. Twisting the ceramic cup can aid in securing the consumables in place. 7. Adjust the tungsten to the desired length, then tighten the back cap. ENVY TIG 230 AC/DC Operating Manual...

  • Page 25: Connecting The Tig Torch

    2. Connect the TIG torch to the negative (-) dinse connection, and twist to lock it in place. 3. Plug the torch connector into the pin socket. 4. Plug the gas connector into the gas outlet. ENVY TIG 230 AC/DC Operating Manual...

  • Page 26: Water Cooled Torch

    3. Plug the red coolant return cable into the red output connection and the blue coolant supply cable into the blue input connection. 4. Plug the torch connector into the pin socket. 5. Plug the gas connector into the gas outlet. ENVY TIG 230 AC/DC Operating Manual...

  • Page 27: Connecting The Mma Electrode Holder

    For DC- electrodes, connect the electrode holder to the negative (-) dinse connection, and twist to lock it in place. DCEP For DC+ electrodes, connect the electrode holder to the positive (+) dinse connection, and twist to lock it in place. ENVY TIG 230 AC/DC Operating Manual...

  • Page 28: Connecting The Earth Clamp

    Installation 6.6 Connecting the Earth Clamp For TIG, connect the earth clamp to the positive (+) dinse connection, and twist to lock it in place. ENVY TIG 230 AC/DC Operating Manual...
  • Page 29 For DC- MMA electrodes, connect the earth clamp to the postive (+) dinse connection, and twist to lock it in place. DCEP For DC+ MMA electrodes, connect the earth clamp to the negative (-) dinse connection, and twist to lock it in place. ENVY TIG 230 AC/DC Operating Manual...

  • Page 30: Connecting A Foot Pedal

    3. Press the pedal down and release it to have the pedal enter pairing mode. The pedal will beep while it is in pairing mode. 4. On the machine, enter the Remote Mode screen in the Settings menu and select Remote Pedal and then Bluetooth Connection. ENVY TIG 230 AC/DC Operating Manual...

  • Page 31: Installing The 15A To 10A Adapter

    8. Turn off your machine, attach the adapter to the end of the input power cord, and then turn it back on again. The correct amperage mode must be set on the machine, or there is a risk of damage to the machine and electrical circuitry it’s connected to. ENVY TIG 230 AC/DC Operating Manual...

  • Page 32: Installing The Gas Bottle & Testing The Gas Flow

    F. Outlet connection (5/8” UNF Male RH) The gas flow rates mentioned are intended as guidelines only. Actual G. Machine gas fitting (6mm quick-connect barb) gas flow rates may vary based on the specific gas cup selected. ENVY TIG 230 AC/DC Operating Manual...

  • Page 33: Testing The Gas Flow

    2. Connect a gas flow tester to the end of the torch and start the gas flow by pressing the torch trigger. 3. Check the gas flow tester is reading the gas flow rate selected. L/min ENVY TIG 230 AC/DC Operating Manual...

  • Page 34: Regulator Safety & Operation

    If grit, dirt, oil or dirty water enters the cylinder valve outlet, this may cause damage to the valve internals and result in leakage. Match the regulator/flowmeter to the cylinder. Never connect a regulator/flowmeter designed for a particular gas or gases to a cylinder containing any other gas. ENVY TIG 230 AC/DC Operating Manual...
  • Page 35 3. Once the gas is fully vented, turn the regulation screw to its closed position and close the valves on the downstream equipment. 4. Prior to moving cylinders that are not fixed on a specifically designed trolley, detach the regulators/flowmeters. ENVY TIG 230 AC/DC Operating Manual...

  • Page 36: Installing The Gas Bottle On The Trolley

    2. Secure the gas bottle in place with the chains. Use the dedicated fixing points on the trolley. There is a risk of accident if the gas cylinder is improperly or inadequately secured which could result in severe injury. The cylinder must be secured with at least two of the chains. ENVY TIG 230 AC/DC Operating Manual...

  • Page 37: Operation

    Always check before use that the torch cable, shielding gas hose, earth cable/clamp and power cable are in serviceable condition. Ensure that the connectors are correctly fastened. Loose connectors can impair welding performance and damage connectors. Connect the plug into the mains socket, then switch the machine ON. ENVY TIG 230 AC/DC Operating Manual...

  • Page 38: Control Panel Layout & Operation

    Press the right select button to select the action in 4a. 5. Job button hand-bac Press the Job button to open the Job Menu. 6. Setting button hand-bac Press the Settings button to open the Settings Menu. ENVY TIG 230 AC/DC Operating Manual...

  • Page 39: Mma Mode

    5% - 95% Sets the time the arc stays at its peak amperage during the pulse cycle. The settings available in the advanced welding parameters screen will depend on the standard welding parameters selected. ENVY TIG 230 AC/DC Operating Manual...

  • Page 40: Lift Tig Mode

    • DC Triangle • AC Square • AC Sine • AC Triangle • AC Square Sine • AC Square Triangle • AC Sine Square • AC Sine Triangle • AC Triangle Square • AC Triangle Sine ENVY TIG 230 AC/DC Operating Manual...

  • Page 41: Advanced Welding Parameters

    Sets the minimum amperage of the machine. Only available when in Remote Mode. Purge Purge your gas lines by pressing and holding/clicking on and off. The settings available in the advanced welding parameters screen will depend on the standard welding parameters selected. ENVY TIG 230 AC/DC Operating Manual...

  • Page 42: Hf Tig Mode

    HCT is great for manual heat input control as you go. Spot Mode Spot mode provides precision in creating timed weld spots with controlled intervals and counts. It’s ideal for consistent tacking or producing uniform joins across materials. ENVY TIG 230 AC/DC Operating Manual...

  • Page 43: Advanced Welding Parameters

    Sets the minimum amperage of the machine. Only available when in Remote Mode. Purge Purge your gas lines by pressing and holding/clicking on and off. The settings available in the advanced welding parameters screen will depend on the standard welding parameters selected. ENVY TIG 230 AC/DC Operating Manual...

  • Page 44: Smart Tig Mode

    HCT is great for manual heat input control as you go. Spot Mode Spot mode provides precision in creating timed weld spots with controlled intervals and counts. It’s ideal for consistent tacking or producing uniform joins across materials. ENVY TIG 230 AC/DC Operating Manual...

  • Page 45: Advanced Welding Parameters

    Sets the minimum amperage of the machine. Only available when in Remote Mode. Purge Purge your gas lines by pressing and holding/clicking on and off. The settings available in the advanced welding parameters screen will depend on the standard welding parameters selected. ENVY TIG 230 AC/DC Operating Manual...

  • Page 46: Job Menu

    ’No USB storage device detected, please connect the USB storage device and try again’. 1. hand-bac Press either control knob to select Export. 2. A popup ’Export complete’ will appear if the export was successful. ENVY TIG 230 AC/DC Operating Manual...

  • Page 47: Deleting A Job

    2. In the Delete Job menu, arrows-r turn and hand-bac press either control knob to select the job you want to delete. A confirmation message will appear. 3. arrows-r Turn and hand-bac press the right control knob to select Delete to confirm. ENVY TIG 230 AC/DC Operating Manual...

  • Page 48: Settings Menu

    Factory reset the machine. hand-bac Press the right control knob to enter the menu choice beyond the warning. Program Update Yes / No  Update the software version of the machine. hand-bac Press the right control knob to enter the menu choice beyond the warning. ENVY TIG 230 AC/DC Operating Manual...

  • Page 49: Operating The Water Cooler

    1. Ensure there is coolant in the tank and that the welding torch is connected. 2. Switch the ENVY TIG 230 AC/DC to ’Water’ under Cooling in the Settings Menu. 3. Press the coolant circulation button on the back of the water cooler. This activates a pump motor which pumps the coolant into the hoses and to the welding torch.

  • Page 50: Maintenance

    Do not use any pressure-washing devices. Do not use compressed air, the pressure may pack the dirt even more tightly into components. Only authorised electricians or service repair agents should carry out repairs and internal servicing. For repairs, contact UNIMIG at unimig.com.au or contact your local dealer. ENVY TIG 230 AC/DC Operating Manual...

  • Page 51: Troubleshooting

    • The tungsten may be contaminated, remove 10mm of the contaminated tungsten and re-grind the tungsten.  • The arc length may be too long, lower the torch so that the tungsten is off the workpiece 2-5mm. ENVY TIG 230 AC/DC Operating Manual...

  • Page 52: Mma Troubleshooting

    • Check the joint design and fit up is correct and the material isn’t too thick. Unusual or poor arc characteristics • The polarity may be wrong, check the polarity (See "6.5 Connecting the MMA Electrode Holder" on page 27). ENVY TIG 230 AC/DC Operating Manual...

  • Page 53: Error Codes

    If the problem persists, contact UNIMIG customer service. Thermal Sensor Error The thermal sensor has not be installed Check the thermal sensor wiring. If the correctly.  problem persists, contact UNIMIG customer service. ENVY TIG 230 AC/DC Operating Manual...

  • Page 54: General Welding Information

    • Drying: Aluminium has a high affinity for moisture, so ensure that the metal is completely dry before welding. Moisture can lead to hydrogen porosity in the weld. ENVY TIG 230 AC/DC Operating Manual...

  • Page 55: Bevelling

    For precise applications, always refer to the welding specification or consult a welding engineer to determine the most appropriate bevel for a given situation. 60° 60° 30° 30° ENVY TIG 230 AC/DC Operating Manual...

  • Page 56: Tig Welding Guide

    Electrode Negative (DCEN). The current is negatively charged and runs from the positive to the negative. This means that 70% of the heat of the arc is concentrated in the workpiece. -30% Power Source +70% ENVY TIG 230 AC/DC Operating Manual...
  • Page 57 High-frequency arc starts remove any chance of tungsten contamination and are the easiest way to start an arc. A high- frequency machine also allows the addition of a foot pedal and other remotes. ENVY TIG 230 AC/DC Operating Manual...
  • Page 58 Slower AC Square Wave Hz Wider Cleaning Action Current Wider Weld Bead Wider Arc Broader Weld Pool Faster AC Square Wave Hz Narrower Cleaning Action Current Narrower Weld Bead, Faster Weld Speed Narrow Arc Narrower Weld Pool ENVY TIG 230 AC/DC Operating Manual...
  • Page 59 A 30% positive/70% negative AC balance ratio is a generally optimal balance for most aluminium welding. Balance adjusted for more penetration - Cooler tungsten Less Positive Balance Current Balance adjusted for more oxide cleansing action - Hotter tungsten More Positive Balance Current ENVY TIG 230 AC/DC Operating Manual...
  • Page 60 You can adjust this either way, where 90% is almost entirely peak amperage and 20% is almost no peak amperage. The more time spent on the peak amperage part of the pulse, the more penetration you’re going to get and vice versa. Pulse Width 150A 150A Peak Amp On Time ENVY TIG 230 AC/DC Operating Manual...
  • Page 61 Once the weld pool is established, tilt the torch at about a 75° angle and move slowly and evenly along the joint, fusing the materials together. Fusion welding is primarily used when combining thin materials on edge, corner, and butt joints. ENVY TIG 230 AC/DC Operating Manual...

  • Page 62: Tungsten Selection

                   This information is intended to act as a guide only, individual results may vary depending on technique, skill and material. ENVY TIG 230 AC/DC Operating Manual...

  • Page 63: Tungsten Preparation

    A truncated/flat tip follows the same preparation as a pointed tip but with the added step of grinding the end, so you get a flat top. This shape works well for both AC and DC applications. ENVY TIG 230 AC/DC Operating Manual...
  • Page 64 (See "Recommended Gas Flow Rates" on page 32). Good Gas Coverage Shiny weld puddle Poor Gas Coverage Form weld puddle 8-10s post-flow Dull, sooty weld puddle ENVY TIG 230 AC/DC Operating Manual...

  • Page 65: Mma Welding Guide

    E6010, E6011, E6013, E7016, E7018 and E7024. Stainless steel electrodes are marked with their metal grade, e.g., 309L. The size of the electrode generally depends on the thickness of the section being welded, and the thicker the section, ENVY TIG 230 AC/DC Operating Manual...
  • Page 66 Butt Joint Fillet Joint Lap Joint Fillet Joint (T-Joint) Butt Joint Lap Joint 90° joint angle 180° joint angle 90° joint angle 45° work angle 90° work angle 60-70° work angle ENVY TIG 230 AC/DC Operating Manual...

  • Page 67: Arc Length

    At the same time, the electrode is fed downwards to keep the correct arc length at all times. Travelling too fast will lead to poor fusion and a lack of penetration, while travelling too slow will frequently lead to arc instability, slag inclusions and burnthrough. ENVY TIG 230 AC/DC Operating Manual...

  • Page 68: Welding Settings Guides

    Post-Flow Amperage Stainless 1.6mm Ar100% steel Post-Flow Amperage Stainless 2.4mm Ar100% steel Post-Flow Amperage Stainless 3.2mm Ar100% steel Post-Flow Amperage 1.6mm Aluminium Ar100% Post-Flow Amperage 2.4mm Aluminium Ar100% Post-Flow Amperage 3.2mm Aluminium Ar100% Post-Flow ENVY TIG 230 AC/DC Operating Manual...

  • Page 69: Tig Lap

    120Hz Recommended Tungsten Diameter Diameter Amperage Range 1.6mm 2-130A 2.4mm 30-200A 3.2mm 80-230A This setup information is intended to act as a guide only. Individual results may vary depending on technique, skill and material. ENVY TIG 230 AC/DC Operating Manual...

  • Page 70: Gas Selection

    Ar + 10-30% He 2-6mm 3-13mm 5-14mm 6mm+ Ar + 50-75% He 3-7mm 4-14mm 5-15mm 7mm+ This setup information is intended to act as a guide only. Individual results may vary depending on technique, skill and material. ENVY TIG 230 AC/DC Operating Manual...

  • Page 71: Welding Processes & Features Glossary

    Mixed AC/DC - Combines the efficiency of AC TIG and the penetration of DC- TIG, designed specifically for aluminium. It achieves high welding speeds and quickly forms a weld puddle on cold workpieces, making it ideal for heavier aluminium gauges. ENVY TIG 230 AC/DC Operating Manual...
  • Page 72 Trigger Mode HCT - Heat Control Trigger (HCT) lets you set a base current which you can switch to at any time during a weld by pressing the trigger button. Heat Control Trigger Mode is great for manual heat input control as you go. ENVY TIG 230 AC/DC Operating Manual...
  • Page 73 VRD - A Voltage Reduction Device is a safety device that reduces the open-circuit voltage of a welding machine. This minimises the risk of electric shock, especially in hazardous areas like enclosed or moist environments. ENVY TIG 230 AC/DC Operating Manual...

  • Page 74: Tig Torch & Consumables

    See following page QUARTZ CUP See following page CERAMIC CUP See following page SUPER SERIES GAS LENS COLLET BODY See following page SUPER SERIES QUARTZ CUP See following page SUPER SERIES CERAMIC CUP See following page ENVY TIG 230 AC/DC Operating Manual...

  • Page 75: T2 Tig Torch Consumables

    QUARTZ CUP SUIT T2/T3W SIZE 6 QTY 1 UMCT2QZ08 QUARTZ CUP SUIT T2/T3W SIZE 8 QTY 1 UMCT2QZ10 QUARTZ CUP SUIT T2/T3W SIZE 10 QTY 1 UMCT2C10 CERAMIC CUP SUIT T2/T3W SIZE 10 16MM QTY 1 ENVY TIG 230 AC/DC Operating Manual...

  • Page 76: Super Series Ceramic Tig Setup

    SUPER Series Quartz Cups UMCT2SSQZ12 QUARTZ CUP SUPER12 SUIT T2/T3W SIZE 12 QTY 1 UMCT2SSQZ14 QUARTZ CUP SUPER14 SUIT T2/T3W SIZE 14 QTY 1 UMCT2SSQZ18 QUARTZ CUP SUPER18 SUIT T2/T3W SIZE 18 QTY 1 ENVY TIG 230 AC/DC Operating Manual...

  • Page 77: Recommended Accessories

    THORIATED TUNGSTEN RED 3.2MM QTY 10 PTR0006-10 ZIRCONIATED TUNGSTEN WHITE 1.0MM QTY 10 PTR0006-16 ZIRCONIATED TUNGSTEN WHITE 1.6MM QTY 10 PTR0006-24 ZIRCONIATED TUNGSTEN WHITE 2.4MM QTY 10 PTR0006-32 ZIRCONIATED TUNGSTEN WHITE 3.2MM QTY 10 ENVY TIG 230 AC/DC Operating Manual...
  • Page 78 316L TIG FILLER ROD 1.6MM 1KG TI316L-1.6 316L TIG FILLER ROD 1.6MM 5KG TI316L-2.4-1 316L TIG FILLER ROD 2.4MM 1KG TI316L-2.4 316L TIG FILLER ROD 2.4MM 5KG TI316L-3.2 316L TIG FILLER ROD 3.2MM 5KG ENVY TIG 230 AC/DC Operating Manual...
  • Page 79 HYPERARC 6013 GP ELECTRODES - 4.0MM 5KG U63011 HYPERARC 7018 LOW HYDROGEN ELECTRODES - 2.6MM 2KG U63012 HYPERARC 7018 LOW HYDROGEN ELECTRODES - 3.2MM 2KG U63013 HYPERARC 7018 LOW HYDROGEN ELECTRODES - 4.0MM 2KG ENVY TIG 230 AC/DC Operating Manual...

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