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Summary of Contents for LOTOS TIG220ACDCP
- Page 1 USER MANUAL MODEL: TIG220ACDCP...
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Page 2: Pay Attention
Preface This manual provides a hardware description and an operational overview of the equipment. For your safety and the safety of others, please read this manual carefully. Pay attention Pay attention to the words following the signs below. Sign Description The words following this sign indicate a significant potential danger. -
Page 3: Table Of Contents
Content 1 Safety warning ......................1 2 Product ........................5 2.1 Introduction ......................5 2.2 Technical data ....................6 3 Installation ......................... 7 4 Operation ........................9 4.1 panel layout ......................9 4.2 Operation interface specification ..............10 5 INSTRUCTION NOTES .................... 18 5.1 Operation environment.................. -
Page 4: Safety Warning
Safety Warnings The safety notes in this manual are provided to ensure proper use of the machine and to protect you and others from harm. The welding machine is designed and manufactured with safety in mind. Please refer to the safety warnings in this manual to prevent accidents. - Page 5 To prevent serious accidents, please follow the rules below: • Never use the equipment for purposes other than welding. • Comply with relevant regulations regarding the construction of the input power source, site selection, use of high-pressure gas, storage, configuration, handling of workpieces after welding, and disposal of waste materials.
- Page 6 • Never operate in areas used for degreasing, washing, or spraying. • Wear breathing protection devices when welding shielded steel, as it produces toxic dust and gases. The arc, spark, residue and noise are harmful to health, please wear protective appliance. •...
- Page 7 Electromagnetic Interference Precautions Attention is required to minimize electromagnetic interference. • Extra preventive measures may be necessary when using the equipment in specific locations. • Before installation, assess the potential electromagnetic interference in the environment, considering the following factors: a) Proximity of power cables, control cables, signal cables, and telephone lines to the upper and lower parts of the welding equipment.
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Page 8: Product
Product 2.1 Introduction Congratulations on your purchase! This welding machine is a state-of-the-art rectifier incorporating the latest inverter technology. The advancement of inverter gas-shielded welding equipment stems from progress in inverter power supply theory and components. The inverter gas-shielded welding power source uses high-power IGBT components to convert the 50/60Hz frequency to 43kHz. -
Page 9: Technical Data
2.2 Technical data model TIG220ACDCP parameters Single Phase 120/240± 10% Power voltage (V) 50/60 Frequency (HZ) 32.7 Rated input current (A) 39.8 15.6 Rated output voltage 24.8 26.4 Rated output current (A) No-load voltage(V) HF/LF Arcing way Pre-flow (S) 0.1-3... -
Page 10: Installation
Installation The welding machine is equipped with a power voltage compensation device. It can operate normally when the power voltage fluctuates within ± 10% of the rated voltage. If a longer cable is required, use a cable with a larger cross-sectional area to reduce voltage loss. Excessively long cables may adversely affect the machine’s performance, such as reduced arc- starting efficiency or irregular system operation. -
Page 11: Installation Diagram
⚫ Installation diagram... -
Page 12: Operation
Operation 4.1 Panel Layout 7 8 910 1112 13 14 15 16 17 Label/Function Label/Function Save Button 13 VRD Indication High-Frequency AC Indication 14 Wave Selector Button Lift AC Indication 15 Triangle Wave Indication High-Frequency DC Indication 16 Single Wave Indication Lift DC Indication 17 Square Wave Indication MMA Indication... -
Page 13: Operation Interface Specification
4.2 Operation interface specification The following images help indicate the machine setup process • MMA MODE Step 1: Press the PROCESS button to select Step 2: Rotate the parameter knob to adjust the MMA Mode. the welding current to the desired level. Step 3: Press the parameter knob to select Step 4: Rotate the parameter knob to adjust the Hot-Start mode*. - Page 14 *Hot-Start Mode Hot-Start mode temporarily increases the welding current at the beginning of the welding process. This feature ensures easier arc ignition, prevents sticking of the electrode to the workpiece, and enhances the start quality of the weld. *Arc-Force Mode Arc-Force mode automatically increases the welding current when the arc length decreases.
- Page 15 • TIG MODE HFDC: High-Frequency Arc Start DC TIG Mode • In HFDC mode, the arc is initiated using high-frequency (HF) ignition, allowing for a non-contact start. • Used for Direct Current (DC) TIG welding, suitable for materials like stainless steel, carbon steel, and copper. •...
- Page 16 Step 5: Press the parameter knob to select Step 6: Rotate the parameter knob to adjust the End Amps function. the End Amps. Step 7: Press the parameter knob to select Step 8: Rotate the parameter knob to adjust the End Amps Time function. the End Amps Time.
- Page 17 Step 12: Rotate the parameter knob to Step 11: Press the parameter knob to adjust the Pre-Flow time.(0.1-3.0S) select the Pre-Flow function. The Pre-Flow time sets the duration of shielding gas flow before the welding arc is initiated. This ensures that the weld area is adequately shielded from atmospheric contamination before the arc starts, resulting in a cleaner and higher-quality weld.
- Page 18 Step 18: Rotate the parameter knob to Step 17: Press the parameter knob to select adjust the Up-Slope time.(0-15S) the Up-Slope function. The Up-Slope function controls the gradual increase of welding current at the start of the welding process. This feature prevents sudden heat input, allowing the welder to establish a stable arc and avoid damage to the workpiece or electrode.
- Page 19 Pulse Settings: Step 21 to 27 Step 21: Hold down the PROCESS button for 2 Step 22: Press the parameter knob to select seconds to select the Pulse function. the Pulse Frequency function. • When the top square wave icon is lit, it indicates that the Pulse function is ON.
- Page 20 The Pulse function alternates the welding current between a high (peak) current and a low (base) current during the welding process. This provides greater control over heat input, making it ideal for welding thin materials or heat-sensitive metals. Benefits of the Pulse Function: •...
- Page 21 AC Frequency, Balance & Wave Settings: Step 28 to 33 Steps 28 to 33 are applicable only in HFAC or LFAC Mode. Step 29: Press the parameter knob to select the Step 28: If the welder is not in HFAC or LFAC AC Frequency function.
- Page 22 AC Frequency AC Frequency refers to the number of times per second that the welding current alternates between positive and negative polarity during AC welding. It is measured in Hertz (Hz). • Higher AC Frequency: Provides a tighter arc, improved arc stability, and better control over the weld puddle. Ideal for precision work or welding thin materials.
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Page 23: Fault Display
Save & Recall Settings: Step 34 to 37 The welder can save up to 10 settings, allowing users to store and quickly recall preferred configurations for different welding tasks. Step 34: Hold the SAVE button for 3 seconds Step 35: Rotate the parameter knob to select to enter the SAVE mode. -
Page 24: Instruction Notes
5 INSTRUCTION NOTES 5.1 Operation Environment 1) Welding operations should be performed in a relatively dry environment, with air humidity not exceeding 90%. 2) The ambient temperature should be maintained between 14° F to 104° F or -10° C and 40°... -
Page 25: Maintenance And Troubleshooting
operation. • Do not turn off the power. Allow the cooling fan to continue running to lower the machine’s temperature. • Once the temperature returns to a safe range, the welder will automatically resume normal operation. By following these safety measures, operators can ensure the safe and efficient use of the welder while extending its service life. - Page 26 3. Output Current Issues: • When output current does not match the set value, check for: 1. Voltage Fluctuations: ▪ Variations in grid voltage may reduce the maximum output current. 2. Grid Interference: ▪ External power grid interference or nearby power equipment may impact performance.
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