ANDELI MCT-520DPL PRO Multi-Function Welder Instruction Manual

1. Introduction

The ANDELI MCT-520DPL PRO is a state-of-the-art multi-function welding machine designed for a wide range of welding and cutting applications. This versatile inverter welder combines MIG/MAG, TIG, MMA, CUT, and COLD welding functions, including MIG Pulse for aluminum, making it suitable for professionals and enthusiasts alike. Its precise stepless adjustment and digital display ensure optimal control and performance across various materials such as aluminum, thin steel, iron, copper, mold repair, carbon steel, and stainless steel.

Figure 1: ANDELI MCT-520DPL PRO Welder with dimensions (489mm x 210mm x 327mm, 14KG)

2. Safety Information

WARNING: Welding and cutting processes can be dangerous. Always follow safety precautions to prevent injury or death.

• Always wear appropriate personal protective equipment (PPE), including welding helmet, gloves, protective clothing, and safety shoes.
• Ensure adequate ventilation to avoid inhaling fumes and gases.
• Protect bystanders from arc rays and hot metal.
• Never operate the machine in wet conditions or near flammable materials.
• Ensure proper grounding of the equipment.
• Disconnect power before performing any maintenance or changing accessories.
• Read and understand all instructions and safety warnings in this manual before operation.

3. Product Overview

The MCT-520DPL PRO is a versatile machine offering multiple functions:

• MIG/MAG Welding: For carbon steel, gas (CO2/mixed gas) or gasless (flux-cored wire).
• TIG Welding: For stainless steel and carbon steel (0.8-8mm). Note: TIG function cannot weld aluminum.
• MMA (ARC) Welding: For continuous welding with 2.0-3.2mm electrodes.
• CUT (Plasma Cutting): For quick cutting of steel plates (up to 8mm, max 12mm).
• COLD Welding: For thin plates (0.4-3mm stainless steel) with minimal distortion and discoloration.
• MIG Pulse Aluminum Welding: Specifically for welding 1-5mm aluminum plates.

Figure 2: Front Control Panel of the Welder

Figure 3: Detailed Panel Introduction

1. Wire Check / Gas Check / Storage Channel (0-9)
2. Mode Selection: MIG, CUT, TIG, Cold, MMA, Pulse
3. Gas Type Selection: CO2, MIX, Flux, VRD (Voltage Reduction Device)
4. Wire Diameter Selection: 0.6mm (0.024"), 0.8mm (0.030"), 0.9mm (0.035"), 1.0mm (0.040"), SP (Adjust Current/Voltage Separately)
5. Trigger Mode: 2T (Manual Mode), 4T (Semi-automatic Mode)

4. Setup

4.1 Unpacking and Inspection

Carefully unpack the welding machine and all accessories. Verify that all components listed in the packing list are present and undamaged. The package includes: 1 MIG torch, 1 TIG torch, 1 MMA torch, 1 CUT torch.

Figure 4: Welder with Accessories

4.2 Power Connection

Connect the machine to a stable AC 220V-240V power supply (50/60Hz). Ensure the power outlet is properly grounded and can handle the machine's maximum load power capacity of 9.5KW.

4.3 Wire Installation (for MIG/MAG)

Open the side panel of the machine to access the wire feeder mechanism. Install the appropriate welding wire (e.g., 1.0 Al-Si or 1.0 Al-Mg for aluminum, flux-cored for gasless, carbon steel for gas welding) onto the spool holder and thread it through the feeder rollers. Adjust the tension as needed.

Figure 5: Wire Feeder Mechanism

4.4 Gas Connection (for MIG/MAG and TIG)

For MIG/MAG (gas welding) and TIG operations, connect the appropriate gas cylinder (CO2 or mixed gas for MIG, Argon for TIG) to the gas inlet on the rear of the machine using a regulator and hose. Ensure all connections are secure and leak-free.

4.5 Torch Installation

Connect the desired torch (MIG, TIG, MMA, or CUT) to the corresponding ports on the front panel of the machine. Ensure all connections are tight and secure. Refer to the diagrams below for correct installation for each mode.

Figure 6: Welding Torch Installation Diagrams

5. Operating Instructions

Before operating, ensure all safety precautions are followed and the machine is correctly set up for the desired welding/cutting process.

5.1 General Operation

1. Turn on the main power switch.
2. Select the desired welding/cutting mode using the control panel (refer to Figure 3).
3. Adjust parameters such as current, voltage, wire speed, pulse frequency, etc., according to the material and thickness. The machine features precise stepless adjustment and a digital display for accurate settings.
4. Select the appropriate gas type (if applicable) and trigger mode (2T/4T).

5.2 Specific Function Details

5.2.1 MIG/MAG Welding

The MCT-520DPL PRO can weld 0.8-10mm carbon steel in MIG mode (CO2/MIX/Flux). When using gas or gasless welding, it is necessary to replace the wiring method and use the right welding wire. Use flux-cored wire for gasless welding and ordinary carbon steel wire for gas welding.

Figure 7: MIG Welding in Progress

5.2.2 TIG Welding

The TIG function is suitable for welding 0.8-8mm stainless steel and carbon steel. Note: The TIG function of this machine cannot weld aluminum.

Figure 8: TIG Welding in Progress

5.2.3 MMA (ARC) Welding

MMA is suitable for continuous welding with 3.2 electrodes.

Figure 9: MMA Welding in Progress

5.2.4 CUT (Plasma Cutting)

The CUT function is contact plasma cutting, which can quickly cut steel plates within 8mm and has a maximum cutting capacity of 12mm.

Figure 10: Plasma Cutting in Progress

5.2.5 COLD Welding

TIG supports cold welding function, which is suitable for welding thin plates of 0.4-3mm stainless steel, etc. This function minimizes distortion and discoloration.

Figure 11: Cold Welding in Progress

5.2.6 MIG Pulse Aluminum Welding

MIG supports pulse function. It can be used for welding 1-5mm aluminum plate in MIG mode.

Figure 12: MIG Pulse Aluminum Welding in Progress

Figure 13: Welding and Cutting Examples

6. Maintenance

• Regularly clean the machine's exterior and ventilation openings to prevent dust buildup, which can affect cooling.
• Check all cables and connections for wear, damage, or looseness before each use.
• Inspect welding torches and cutting nozzles for wear and replace consumables as necessary.
• Ensure the wire feeder mechanism is clean and free of debris for smooth wire feeding.
• Store the machine in a dry, clean environment when not in use.

7. Troubleshooting

• No Power: Check the main power connection, circuit breaker, and ensure the machine's power switch is on.
• No Arc/Cut: Verify torch connections, ground clamp connection, gas supply (if applicable), and correct parameter settings for the selected mode.
• Poor Weld Quality: Adjust welding parameters (current, voltage, wire speed), check for proper gas flow, ensure clean base metal, and inspect consumables for wear.
• Wire Feeding Issues (MIG): Check wire spool installation, wire tension, liner condition, and ensure the correct wire diameter is selected on the panel.
• Overheating: Allow the machine to cool down. Ensure ventilation openings are clear and the duty cycle is not exceeded.

8. Specifications

9. Warranty & Support

The ANDELI MCT-520DPL PRO Multi-Function Welder comes with a 2-year warranty, ensuring peace of mind regarding manufacturing defects and performance issues under normal use. For technical support, troubleshooting assistance, or warranty claims, please contact the seller directly. You can reach them via WhatsApp at +86 19943356840 or E-mail at 3539977011@qq.com.

10. User Tips

• Material Preparation: Always ensure your workpieces are clean and free of rust, paint, or grease for optimal welding and cutting results.
• Parameter Adjustment: Take time to fine-tune your current, voltage, and wire speed settings. Small adjustments can significantly impact weld quality. Refer to welding charts for starting points.
• Consumables: Keep a supply of appropriate welding wires, electrodes, TIG tungsten, and plasma cutting nozzles/electrodes. Worn consumables can lead to poor performance.
• Gas Management: For gas-shielded processes, regularly check your gas cylinder levels and ensure consistent gas flow to prevent porosity in welds.
• Practice: If new to a specific welding or cutting process, practice on scrap material to get a feel for the machine and achieve desired results before working on critical projects.