1. Introduction
This manual provides essential information for the safe and effective operation of your KKMOON TIG-160C Multifunctional 4-in-1 Inverter Welder. This versatile machine supports MIG, MMA, MAG, and TIG welding modes, offering strong welding capabilities for various metal types. It features advanced IGBT inverter technology, a digital display for precise control, and multiple protection functions to ensure safety and reliability. Please read this manual thoroughly before use and keep it for future reference.
2. Safety Instructions
Welding operations involve significant risks. Always adhere to safety precautions to prevent injury or damage. This section outlines general safety guidelines; consult local regulations and standards for comprehensive safety information.
- Electric Shock: Welding current can cause fatal electric shock. Ensure proper grounding. Do not touch live electrical parts. Wear dry, insulated gloves and protective clothing.
- Fumes and Gases: Welding produces fumes and gases that can be hazardous to health. Work in a well-ventilated area. Use fume extractors if necessary.
- Arc Rays: Arc rays can burn eyes and skin. Always wear a welding helmet with appropriate shade filter, safety glasses, and protective clothing.
- Fire and Explosion: Welding sparks and hot materials can cause fires. Keep flammable materials away from the welding area. Have a fire extinguisher readily available.
- Burns: Hot metal and equipment can cause severe burns. Wear protective gloves and clothing. Allow welded materials to cool before handling.
- Machine Placement: Place the welding machine on a stable, level surface. Ensure adequate ventilation around the machine to prevent overheating.
- Power Supply: Ensure the power supply matches the machine's requirements (AC220V, 50/60Hz).
3. Product Overview
3.1 Components and Features
The KKMOON TIG-160C is a robust and versatile welding machine designed for various welding tasks. Key features include:
- Premium Material: Constructed from high-temperature resistant, wear-resistant, and fall-proof materials for long durability.
- Digital Display: A large digital display provides clear, real-time readings of welding current and voltage for convenient operation.
- IGBT Technology: High-frequency inverter technology (up to 20KHz) ensures fast dynamic response and strong, stable welding ability, even with power grid fluctuations.
- Multifunctional Design: Supports four welding modes: MIG, MMA, MAG, and TIG-160C.
- Metal Transfer Waveform Control: Delivers a stable electric arc, minimal splashing, and well-formed welding lines.
- Automatic Wire Feeding: Built-in mechanism for automatic wire feeding, enhancing efficiency and quality while reducing manual intervention.
- Voltage & Wire Feed Speed Adjustment: Single control for adjusting welding voltage and wire feed speed based on material thickness.
- Efficient Cooling: Integrated high-efficiency cooling fan and multiple exhaust holes ensure effective heat dissipation, preventing overheating and extending service life.
- Multiple Protections: Features over-temperature, over-current, and over-voltage protections, along with a fault display function for safety and easy troubleshooting.
3.2 Control Panel and Connections
Familiarize yourself with the control panel and connection points of the welding machine.

Figure 1: Welder Control Panel and Connections
- Digital Display: Shows welding current/voltage.
- Mode Selector: Switch between MIG, MMA, MAG, TIG-160C.
- Adjustment Knobs: Control current/feeding speed and voltage regulation.
- Power Switch: ON/OFF control.
- Gas Input Port: For connecting gas cylinder for MIG/MAG/TIG welding.
- Welding Wire Indicator: Indicates wire status.
- Protection Indicators: Over-temperature, over-current, over-voltage.
3.3 Packing List
Upon unpacking, ensure all items listed below are present:

Figure 2: Included Accessories
- 1 * Welding Machine
- 1 * Electrode Holder
- 1 * 300A Welding Clamp (Ground Clamp)
- 1 * Roll of Welding Wire
- 1 * Mask (Welding Mask)
- 1 * Steel Brush
- 1 * Guideline (Instruction Manual)
4. Specifications
Detailed technical specifications for the TIG-160C welding machine:

Figure 3: Technical Specifications and Material Compatibility
| Parameter | Value |
|---|---|
| Material | Metal |
| Output Current (A) | 20A-300A |
| Power Capacity (KVA) | 7.4 |
| Frequency (HZ) | 50/60 |
| Output Voltage (V) | 16.5-24 |
| Rated Duty Cycle (%) | 60 |
| Power Factor | 0.85 |
| Efficiency (%) | 85 |
| Wire Feeder Style | Inside |
| Wire-Feeder Speed (m/min) | 3.6-12 |
| Postflow Time (S) | 0.5±1 |
| Insulation Grade | F |
| Housing Protective Grade | IP21 |
| Max. Wire Reel Size | Φ200 |
| Environmental Temperature | -10℃ to 40℃ |
| Elevation | ≤ 1000 meters |
| Relative Humidity (at 40℃) | ≤50% |
| Relative Humidity (at 20℃) | ≤90% |
| Power Supply | AC220V, 50Hz/60Hz |
| Voltage Fluctuation of Power Grid | <±10% |
| Frequency Fluctuation | <±1% |
| Item Size | 375 * 245 * 160mm (14.76 * 9.65 * 6.30in) |
| Item Weight | 6740g (14.86lb) |
5. Setup
Follow these steps to set up your welding machine before operation.
- Unpacking and Inspection: Carefully remove the welding machine and all accessories from the packaging. Inspect for any visible damage. Report any damage to the supplier immediately.
- Placement: Position the welder on a stable, dry, and level surface. Ensure there is sufficient clearance around the machine for proper ventilation.
- Power Connection: Connect the power cable to a suitable AC220V, 50/60Hz power outlet. Ensure the outlet is properly grounded and can handle the machine's power requirements (7.4 KVA).
- Ground Clamp Connection: Attach the 300A welding clamp (ground clamp) securely to the workpiece or a clean, bare metal part of the welding table. Ensure good electrical contact.
- Electrode Holder / Torch Connection:
- For MMA (Stick) Welding: Connect the electrode holder to the appropriate terminal (usually positive for most electrodes, check electrode manufacturer's recommendation).
- For MIG/MAG/TIG Welding: Connect the MIG/TIG torch to the designated port.
- Gas Cylinder Connection (for MIG/MAG/TIG):
If performing gas-shielded welding (MIG/MAG/TIG), connect the gas hose from your shielding gas cylinder (e.g., CO2 for MIG, Argon for TIG) to the gas input port on the rear of the machine. Ensure all connections are tight to prevent gas leaks.

Figure 4: Gas Input Port for Shielded Welding
- Wire Feeding (for MIG/MAG):
Open the wire feeder compartment. Place the welding wire reel onto the spindle. Thread the wire through the guide tube and feed rollers, ensuring it is seated correctly. Adjust the tension of the feed rollers according to the wire type and diameter. The machine supports 0.6mm, 0.9mm, or 1.0mm solid or cored wire, with optimal performance for 0.8mm steel wire.

Figure 5: Automatic Wire Feeding Mechanism
6. Operating Instructions
This section provides general guidance for operating the welding machine in its various modes. Always wear appropriate personal protective equipment (PPE).
6.1 Power On and Mode Selection
- Turn on the main power switch. The digital display will illuminate.
- Use the mode selector to choose your desired welding process: MIG, MMA, MAG, or TIG-160C.
6.2 Parameter Adjustment
Adjust the welding current and voltage using the control knobs. The digital display will show the set values. Refer to the table below for recommended settings based on electrode diameter for MMA welding, and adjust for other modes based on material thickness and desired weld characteristics.

Figure 6: Reference Table of Welding Current Setting (MMA)
| Electrode Dia. (mm) | Recommended Welding Current (A) | Recommended Welding Voltage (V) |
|---|---|---|
| 1.0 | 20-60 | 20.8-22.4 |
| 1.6 | 44-84 | 21.76-23.36 |
| 2.0 | 60-100 | 22.4-24.0 |
| 2.5 | 80-120 | 23.2-24.8 |
| 3.2 | 108-148 | 23.92-24.92 |
| 4.0 | 140-180 | 24.6-27.2 |
| 5.0 | 180-220 | 27.2-28.8 |
*Note: Output current range is 20A-300A. The table above is a reference for MMA welding. Adjust settings as needed for specific materials and welding conditions in all modes.
6.3 Welding Process (General)
- Prepare Workpiece: Ensure the workpiece is clean, dry, and free of rust, paint, or grease.
- Secure Workpiece: Use clamps to hold the workpiece firmly in place.
- Initiate Arc:
- MMA: Strike the electrode against the workpiece to initiate the arc, then maintain a consistent arc length.
- MIG/MAG: Press the torch trigger to start wire feed and gas flow, then initiate the arc.
- TIG: Use a non-contact (HF) or lift-arc method to initiate the arc, then introduce filler rod if needed.
- Maintain Weld Pool: Move the torch/electrode steadily along the joint, maintaining a consistent travel speed and angle to create a uniform weld bead.
- Terminate Weld: Release the trigger (MIG/MAG) or break the arc (MMA/TIG). Allow the weld to cool naturally.
7. Maintenance
Regular maintenance ensures the longevity and optimal performance of your welding machine.
- Cleaning: Regularly clean the exterior of the machine with a dry cloth. Keep the cooling fan and exhaust holes free from dust and debris to ensure proper heat dissipation.
- Cable Inspection: Periodically inspect all cables (power, welding, ground) for cuts, fraying, or damage. Replace damaged cables immediately.
- Torch/Electrode Holder Maintenance: Clean the torch nozzle and contact tip (MIG/MAG) or collet and tungsten electrode (TIG) regularly. Replace worn parts.
- Wire Feeder: Keep the wire feeder mechanism clean and free of dust. Check the feed rollers for wear and ensure proper tension.
- Storage: Store the welding machine in a dry, dust-free environment when not in use.
8. Troubleshooting
The TIG-160C features a fault display function to assist in locating issues. Below are common problems and their potential solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Machine does not power on | No power supply; Faulty power cable; Internal fault | Check power connection and outlet; Inspect power cable; Contact support if internal fault suspected. |
| No welding arc | Poor ground connection; Incorrect settings; Faulty electrode/wire; Overload protection activated | Ensure ground clamp has good contact; Verify current/voltage settings; Replace electrode/wire; Allow machine to cool if protection light is on. |
| Wire feeding issues (MIG/MAG) | Wire tangled; Incorrect roller tension; Clogged liner; Worn contact tip | Untangle wire; Adjust roller tension; Clean/replace liner; Replace contact tip. |
| Poor weld quality (excessive spatter, porosity) | Incorrect settings; Insufficient shielding gas (MIG/MAG/TIG); Contaminated workpiece; Incorrect travel speed/angle | Adjust current/voltage/wire speed; Check gas flow and cylinder level; Clean workpiece; Adjust welding technique. |
| Overheat protection activated | Exceeding duty cycle; Blocked ventilation; High ambient temperature | Allow machine to cool down; Clear ventilation openings; Operate in a cooler environment. |
9. User Tips
Based on common user inquiries and experiences, here are some tips for using your welding machine:
- Electrode Diameter: When using MMA mode, select the appropriate electrode diameter based on the material thickness and desired current, as indicated in the welding current setting table (Figure 6).
- Gas for Aluminum Welding: For welding aluminum with MIG or TIG, it is essential to use 100% Argon shielding gas. Ensure your gas cylinder is filled with the correct gas for the material you are welding.
- Power Supply Check: Before starting, always confirm your power supply voltage (e.g., 220V) is compatible with the machine to avoid issues.
10. Warranty and Support
The manufacturer strives to ensure product quality. In the event of a quality problem before shipping, the product can be returned in its original condition for repair or exchange.
If the product is damaged during transit, please contact the seller before opening any dispute or leaving negative feedback. The seller will assist in resolving the issue.
For technical support or warranty claims, please refer to your purchase documentation or contact the seller directly. Keep your proof of purchase for warranty validation.





