1. Introducció
The YESWELDER YWT-200DC is a versatile 7-in-1 multi-process welding machine designed for a wide range of TIG and Stick welding applications. This manual provides essential information for the safe and effective operation, setup, and maintenance of your YWT-200DC welder. Please read this manual thoroughly before operating the machine.

2. Informació de seguretat
Welding can be dangerous. It is crucial to follow all safety precautions to prevent injury or damage. Always ensure you are working in a well-ventilated area and wear appropriate Personal Protective Equipment (PPE).
2.1 Precaucions generals de seguretat
- Descàrrega elèctrica: Welding equipment uses high voltage. Never touch live electrical parts. Ensure the machine is properly grounded.
- Fums i gasos: Welding produces fumes and gases that can be hazardous to your health. Work in a well-ventilated area or use local exhaust ventilation.
- Raigs d'arc: Arc rays can injure eyes and burn skin. Always wear a welding helmet with the correct shade filter and protective clothing.
- Incendi i explosió: Les espurnes de soldadura i el metall calent poden provocar incendis. Mantingueu els materials inflamables allunyats de la zona de soldadura. Tingueu a mà un extintor.
- Parts calentes: Welded materials and equipment parts can remain hot for a long time. Allow them to cool before handling.
- Soroll: High noise levels can damage hearing. Wear ear protection if necessary.
3. Producte acabatview
3.1 Característiques clau
- Multiprocés 7 en 1: Capable of High-frequency TIG, Lift TIG, Pulsed High-frequency TIG, Pulsed Lift TIG, Cold Spot TIG, Cold Spot Lift TIG, and Stick welding.
- Pulsed TIG Welding: Ideal for thin or delicate materials like stainless steel and non-ferrous metals, minimizing deformation and discoloration.
- Enhanced Stick Welding: Features Arc Force for arc stability, Hot Start for smooth arc initiation, and Anti-Stick to prevent electrode sticking.
- Compatibilitat amb control remot: Supports a 5-pin foot pedal (not included) for remote control of the TIG welding process and ampajust d'època.
- Welding Helmet Link: Can power and link with a compatible welding helmet for automatic dimming synchronized with torch activation.
- Tauler de control intuïtiu: Color LED screen for visualizing welding processes and parameters, with a value knob for adjustments and buttons for mode selection (2T/4T/Foot Pedal, Stick, Lift TIG, HF TIG, Pulse TIG, Cold Spot) and option control (preflow, starting current, slope).
- Versatile Material Application: Suitable for thin sheet, stainless steel, low-carbon steel, and copper.

3.2 Contingut del paquet
The YWT-200DC welding machine typically includes the following components:
- Treball Clamp
- Portaelèctrodes
- 5/8"~18RH Gas Hose
- 220V ~ 110V Power Plug
- 13ft WP-26 TIG Torch and Accessories
- 13ft WP-9 Spot TIG Torch and Accessories

3.3 Introducció al tauler de control
Familiarize yourself with the control panel for efficient operation:

- Process Selector: Choose between different welding processes.
- Operation Selector: Select specific operation modes within a process.
- Cold Spot Button: Activates the Cold Spot welding function.
- Botó de funció: Adjusts welding parameters and values.
- Pulse Selector: Engages pulse welding settings.
- Pantalla digital: Shows current welding parameters and status.
- Entrada Voltage Indicador: Displays the detected input voltage (e.g., 110V, 220V).
- Over-heat Indicator: Illuminates if the machine is overheating.
- Over-current Indicators: Illuminates if an over-current condition occurs.
- Parameter Indicators: Shows which parameter is currently being adjusted.
- Cold Spot Indicator: Indicates when Cold Spot mode is active.
- Spot Welding Time Selection: Adjusts the duration for spot welding.
4. Configuració
Before starting any welding operation, ensure the machine is correctly set up and all connections are secure.
4.1 Connexió d'alimentació
Connect the provided 220V ~ 110V Power Plug to a suitable power outlet. The machine automatically detects the input voltage.
4.2 Gas Connection (TIG Welding)
For TIG welding, connect the 5/8"~18RH Gas Hose to a pure argon gas cylinder. Ensure all connections are tight to prevent gas leaks. Cold welding specifically requires pure argon gas.
4.3 Torch and Work Clamp Connexions
- Connect the WP-26 TIG Torch or WP-9 Spot TIG Torch to the appropriate terminals on the front panel.
- Connecteu l'obra Clamp to the designated terminal and securely attach it to the workpiece.
- For Stick welding, connect the Electrode Holder to the positive terminal and the Work Clamp to the negative terminal (or vice-versa depending on electrode polarity requirements).
4.4 Connexions opcionals
- Pedal: If using a 5-pin foot pedal (not included), connect it to the 5-pin foot pedal interface on the machine. This allows remote control of the TIG welding process and amperage.
- Casc de soldadura: Connect a compatible welding helmet to the designated port if you wish to utilize the automatic dimming feature.


5. Instruccions de funcionament
5.1 Funcionament bàsic
- Encès: Turn on the main power switch. The Digital Display (6) will illuminate.
- Selecciona el procés: Use the Process Selector (1) to choose your desired welding mode (TIG, Stick, Cold Spot).
- Seleccioneu el mode de funcionament: Use the Operation Selector (2) to fine-tune the mode, such as 2T/4T for TIG, or to enable Foot Pedal control.
- Ajusta els paràmetres: Use the Function Knob (4) to adjust welding parameters like amperage, preflow, starting current, slope, and spot welding time. The Parameter Indicators (10) will show which parameter is being adjusted, and the Digital Display (6) will show its value.
- Començar la soldadura: Once all settings are configured and safety precautions are observed, you can begin welding.
5.2 Modes de soldadura específics
- Pulsed TIG Welding: Activate Pulsed TIG via the Pulse Selector (5). This mode is recommended for thin or delicate materials to reduce heat input, minimizing deformation and discoloration.
- Cold Spot TIG Welding: Press the Cold Spot Button (3) to engage this mode. Ensure pure argon gas is used. This mode is designed to reduce material deformation and discoloration.

- Stick Welding: The machine's Arc Force, Hot Start, and Anti-Stick features are automatically engaged to provide a stable arc, smooth starts, and prevent electrode sticking.
5.3 Materials aplicables
The YWT-200DC is suitable for welding various materials, including:
- Thin Sheet
- Acer inoxidable
- Acer baix en carboni
- coure

6. Manteniment
Un manteniment regular garanteix la longevitat i el rendiment òptim de la vostra màquina de soldar.
- Neteja: Periodically clean the machine's exterior, especially the cooling vents, to prevent dust and debris buildup. Use compressed air to clear internal components if necessary, ensuring the machine is unplugged.
- Inspecció del cable: Regularly inspect all welding cables, power cords, and gas hoses for damage, cuts, or loose connections. Replace damaged components immediately.
- Manteniment de la torxa: Clean the TIG torch consumables (collets, collet bodies, ceramic nozzles, tungsten electrodes) regularly. Replace worn-out parts.
- Emmagatzematge: Store the welder in a dry, dust-free environment when not in use.
7. Solució De Problemes
Aquesta secció tracta els problemes habituals que podeu trobar. Per a problemes que no figuren aquí, poseu-vos en contacte amb l'atenció al client.
| Problema | Causa possible | Solució |
|---|---|---|
| La màquina no s'encén | No power from outlet; loose power cable; faulty power switch. | Check power supply; ensure cable is securely plugged in; contact support if switch is faulty. |
| Sense arc de soldadura | Treball clamp not properly connected; incorrect welding parameters; faulty torch. | Ensure good contact with workpiece; verify settings; inspect torch for damage. |
| Over-heat Indicator (8) is on | Machine has exceeded its duty cycle; blocked cooling vents. | Allow machine to cool down; ensure vents are clear and fan is operating. |
| Over-current Indicators (9) are on | Short circuit; incorrect welding parameters for material. | Check for short circuits; adjust welding current to appropriate levels. |
| Poor weld quality (TIG) | Insufficient gas flow; contaminated tungsten; incorrect gas type (e.g., not pure argon for cold welding). | Check gas supply and flow rate; clean or replace tungsten; ensure correct gas. |
8. Especificacions
Below are the technical specifications for the YESWELDER YWT-200DC welding machine:

| Característica | Especificació |
|---|---|
| Model | YWT-200DC |
| Estàndard | ANSI/IEC STD.60974-1 |
| Entrada Voltage (U1) | 110V / 220V |
| TIG Welding (HF/Lift) | |
| Output Current (I2) @ 110V | 110A |
| Vol. De sortidatage (U2) @ 110V | 14.2 V |
| Max Input Current (I1max) @ 110V | 33A |
| Output Current (I2) @ 220V | 230A |
| Vol. De sortidatage (U2) @ 220V | 19.2 V |
| Effective Input Current (I1eff) @ 220V | 25.5A |
| Duty Cycle (X) | 60% / 100% |
| Vol. Sense càrregatage (Uo) | 60 V |
| Soldadura per pal | |
| Output Current (I2) @ 110V | 81A |
| Vol. De sortidatage (U2) @ 110V | 24.2 V |
| Max Input Current (I1max) @ 110V | 33A |
| Output Current (I2) @ 220V | 175A |
| Vol. De sortidatage (U2) @ 220V | 29.2 V |
| Effective Input Current (I1eff) @ 220V | 43.3A |
| Duty Cycle (X) | 60% / 100% |
| Vol. Sense càrregatage (Uo) | 60 V |
| Mode de refrigeració | Refrigeració per ventilador |
| Grau d'aïllament | F |
| Classe de protecció | IP21S |
| Pes del paquet | 10.0 kg |
| Dimensions del paquet | 50 cm x 50 cm x 50 cm |
9. Consells d'usuari
Tot i que no hi ha cap usuari específicviews or Q&A data were provided for this manual, general tips for welding machines include:
- Always perform test welds on scrap material before working on your main project to fine-tune settings.
- Ensure your workpiece is clean and free of rust, paint, or oil for the best weld quality.
- For TIG welding, proper tungsten preparation (grinding to a sharp point) is crucial for a stable arc and good penetration.
- When using a foot pedal, practice controlling the amperage smoothly to achieve consistent beads.
- Keep your welding area organized and free of clutter to prevent accidents.
10. Garantia i Suport
For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or contact the manufacturer directly through their official website or customer service channels. Keep your purchase receipt as proof of purchase for warranty claims.





