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Summary of Contents for LOTOS MIG225
- Page 1 Affordable Tools Achieve More Visit Our Website at: www.uwelding.com MIG225 USER MANUAL Carefully read the operation manual before using, installing, and maintaining the electric welding machine.
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Page 3: Pay Attention
Preface This manual includes description of the hardware and an introduction to the equipment’s operation. For your and other people’s safety, please read the manual carefully. Pay attention Pay attention to the words after the signs below. Sign Description The words after this sign means there is great potential danger, which may cause major accident, damage or even death, if it is not... -
Page 4: Table Of Contents
Content Safety Warning..........................1 Product..............................5 General............................5 Technical Data..........................6 Installation............................7 Operation............................10 Front Panel Layout........................10 Operation Instruction.......................11 Welding Environment and Safety..................20 Welding Problems and Resolution..................21 Daily Maintenance and Checking....................22 Trouble Shooting and Fault Finding....................23... -
Page 5: Safety Warning
1 Safety Warning The safety notes listed in this manual are to ensure correct use of the machine and to keep you and others from being hurt. The design and manufacture of the welding machine considers safety. Please refer to the safety warnings listed in the manual to avoid accidents. - Page 6 Please follow the rules below to avoid serious accidents: Never use the equipment for purposes other than welding. Follow related regulations for the construction of the input-driven power source, choice of location, usage of high-pressure gas, storage, configuration, safekeeping of workpieces after welding, and disposal of waste, etc.
- Page 7 The gases and fumes present are harmful to health. Please wear protective equipment as per regulations. Use exhaust equipment and respiratory protective devices to prevent gas poisoning or asphyxiation. Utilize recommended exhaust equipment and respiratory protective devices to avoid ...
- Page 8 To avoid injury from wire ends, please follow these guidelines: Never look into the electric conduction hole while checking the wire feeding, as the shooting wire could potentially stab your eyes or face. Keep your eyes, face, and other exposed body parts away from the end of the ...
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Page 9: Product
30%. Our MIG225 model is a versatile MIG and self-shielded flux-cored welding machine. It features a unique electronic reactor circuit, enabling precise control over short-circuiting and mixed transfer processes, resulting in superior performance compared to alternative machines. -
Page 10: Technical Data
2.2 Technical data Model MIG225 Parameters 1 phase 120V±15% 1 phase 240V±15% supply voltage(V) Frequency (Hz) 50/60 MIG:34.2 MIG:34.2 Rated input current(A) MMA:42.4 MMA:34.9 TIG:25.3 TIG:25.7 No-load voltage(V) MIG:30-120 MIG:30-225 Output current(A) MMA:20-120 MMA:20-200 TIG:10-120 TIG:10-225 MIG:15.5-20 MIG:15.5-25.3 Output voltage (V) MMA:20.8-24.8... -
Page 11: Installation
Excessive cable length can impede arcing performance and other system functions; hence, it is recommended to adhere to the suggested cable length. The MIG225 model facilitates both MIG and flux-cored welding. The torch and earth clamp are pre-installed within the machine. Polarity conversion terminals are located on the left side beneath the machine cover. - Page 12 When Use Pull Mig Torch(Spool Gun): Installation diagram of MMA welding ...
- Page 13 Installation diagram of TIG welding Power supply Ar meter cylinder Earth clamp Work piece Tig torch...
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Page 14: Operation
4 Operation Front panel layout See the value of adjusting knob on the faceplate of the machine. The images shown here are indicative only. The actual product may differ Front Panel SPEED/CURRENT adjustment knob SAVE RECALL button WORKING button MATERIAL button DIAMETER button Display Voltage adjustment knob... - Page 16 Step 5. Press the WORKING button Step 6. Rotate the SPEED/CURRENT to select ARC FORCE mode. knob to adjust ARC FORCE(OFF~100) What is Arc Force ? Arc Force, sometimes called "Dig" or "Arc Control", is a similar feature to Hot Start, except Arc Force operates during welding, not just at ignition.
- Page 17 LIFT TIG MODE Step 1. Press the PROCESS button to Step 2. Rotate the SPEED/CURRENT select TIG mode. knob to adjust TIG welding output current. Step 3. Connect the foot pedal, the pedal indicator light will light up and enter the remote-control...
- Page 18 S-MIG/Spool Gun MODE Rotate Step 2. Set Work Piece Thickness: Step 1. Press the PROCESS button to the SPEED/CURRENT knob to adjust the select S-MIG or Spool Gun mode: thickness parameter. Then press the knob to M-MIG: Manually Set Up confirm to enter the Wire Speed Setting Mode.
- Page 19 M-MIG MODE Step 2. Adjust Welding Voltage: Rotate Step 1. Press the PROCESS button to the VOLTAGE knob to adjust the welding select M-MIG mode: voltage. (Please refer to the MIG Welding M-MIG: Manually Set Up Setting Chart) S-MIG: Synergistic Auto Set Up Spool Gun: Work with Aluminum Spool Gun (Sold Separately) Step 3.
- Page 20 Advanced MIG Setting 1. 2T/4T/Spot Press the WORKING button to select 2T/4T/SPOT mode. 2T Mode (Two-Touch) 2T mode is straightforward and often used for simpler, shorter welding tasks. In this mode: Press to Start: Pressing the trigger starts the welding arc. ...
- Page 21 2. Inductance Setting Inductance Setting(optional) Press the Voltage knob to enter the inductance adjustment mode, then rotate it to adjust the inductance (-10~10). Default is 6. What is MIG Inductance?: Inductance is a property of an electrical circuit that opposes changes in current flow.
- Page 22 4. SAVE RECALL Settings RECALL: Press the SAVE/RECALL button SAVE: Press and hold the SAVE/RECALL to enter RECALL mode. Rotate the button for 3 seconds to enter SAVE mode. SPEED/CURRENT knob to adjust the read Rotate the SPEED/CURRENT knob to sequence number, then press the adjust the storage profile number, then SAVE/RECALL button to confirm.
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Page 23: Malfunction Display
Malfunction display: Wire feeder fault code Panel display Err-03 and multifunctional data display keep flashing, it will automatically exit the panel after troubleshooting, the panel will display the reference of the settings before the fault occurs Over output current fault code Panel display Err-01 and multifunctional data display keep flashing, machine doesn’t work, restart the machine, the panel will display the reference of the settings before the fault occurs... -
Page 24: Welding Environment And Safety
Welding environment and safety Working surrounding Welding should be conducted in dry environments. The air humidity level should not exceed 90%. The temperature range for welding should be maintained between -10°C to 40°C. Avoid using welding machines in direct sunlight or rainy conditions. Keep them away from water exposure. -
Page 25: Welding Problems And Resolution
Welding Problems and Resolutions: The following issues may arise due to various factors such as accessories used, welding materials, surroundings, and power supply. It is crucial to improve the surroundings and avoid these problems. Arc Starting Difficulty and Arc Interruption: Ensure proper contact between the grounding wire clamp and the workpieces. -
Page 26: Daily Maintenance And Checking
5 Daily maintenance and checking Daily maintenance Regularly remove dust using dry compressed air. If the welding machine operates in environments with heavy smoke and polluted air, dust removal should be conducted at least once a month. Inspect internal electrical joints to ensure perfect contact, especially plugs and ... -
Page 27: Troubleshooting And Fault Finding
6 Troubleshooting and fault finding Notes: The following operations should only be carried out by qualified electricians with valid certifications. Prior to conducting maintenance, it is recommended to contact the local distributor to verify qualifications. Fault symptom Remedy Ensure that the air switch is closed. The power indicator ...
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