1. Танилцуулга
This manual provides essential information for the safe and effective operation, setup, and maintenance of your HZXVOGEN HVT250P AC/DC TIG/MMA Welder. Please read this manual thoroughly before operating the machine to ensure proper usage and to prevent injury or damage.
2. Аюулгүй байдлын мэдээлэл
Welding operations involve significant risks. Always adhere to the following safety precautions to prevent electric shock, fire, burns, and other hazards.
- Цахилгаан цохих: Can kill. Ensure proper grounding. Do not touch live electrical parts. Wear dry welding gloves and protective clothing.
- Утаа ба хий: Эрүүл мэндэд аюултай байж болзошгүй. Агааржуулалт сайтай газар ажилла. Шаардлагатай бол утаа сорогч ашиглаарай.
- Нуман туяа: Can burn eyes and skin. Wear a welding helmet with appropriate shade filter. Protect others with welding screens.
- Гал ба дэлбэрэлт: Гагнуурын оч болон халуун металл нь гал түймэр үүсгэж болзошгүй. Шатамхай материалыг гагнуурын талбайгаас хол байлга. Гал унтраагч бэлэн байлга.
- Халуун хэсгүүд: Хүнд түлэгдэлт үүсгэж болзошгүй. Хэрэглэхийн өмнө багаж хэрэгслийг хөргөнө.
- Дуу чимээ: Excessive noise can damage hearing. Wear ear protection.
- Хөдөлгөөнт хэсгүүд: Keep hands, hair, and loose clothing away from moving parts like fans.
Always consult local safety regulations and standards before beginning any welding work.
3. Багцын агуулга
Upon unpacking, verify that all items listed below are present and undamaged. Contact your supplier immediately if any items are missing or damaged.
- HZXVOGEN HVT250P AC/DC TIG/MMA Welder Unit
- TIG бамбар
- Газрын Clamp Кабелийн хамт
- Electrode Holder with Cable (for MMA/Stick welding)
- Хийн хоолой
- Хэрэглэгчийн гарын авлага

Зураг 3.1: HZXVOGEN HVT250P Welder unit with TIG torch, ground clamp, болон электрод эзэмшигч.
4. Бүтээгдэхүүний онцлог
The HZXVOGEN HVT250P is a versatile welding machine designed for various applications. Key features include:
- Олон процессын чадавхи: Supports AC TIG, DC TIG, Pulse TIG, and MMA (Stick) welding.
- AC TIG for Aluminum: Specifically designed for welding aluminum and its alloys.
- DC TIG for Steel: Suitable for welding stainless steel, carbon steel, and copper.
- Pulse TIG Function: Offers enhanced control over heat input, ideal for thin materials and specialized applications, with adjustable pulse frequency (20-200Hz) and duty cycle (10-90%).
- IGBT Inverter технологи: Provides stable arc, high efficiency, and compact design.
- Хос ботьtage Оролт: Operates on both 110V and 220V power supplies, offering flexibility for different work environments.
- Дижитал дэлгэц: For precise current and parameter settings.
5. Тохиргоо
Before operating the welder, ensure all connections are secure and correct.
5.1 Машин дууссанview

Зураг 5.1: Front and rear panel layout with key components.
- Асаах/унтраах унтраалга: Located on the rear panel.
- Фэн: Cooling fan located on the rear panel. Ensure it is not obstructed.
- Хий орж байна: Gas inlet connection on the rear panel for inert gas supply (e.g., Argon for TIG).
- Current Adjust Knob: Main control for welding current.
- Pulse ON/OFF Shift Switch: Activates or deactivates the pulse welding function.
- Газрын Clamp Холболт: Газардуулга clamp cable to the appropriate terminal for your welding process.
- Welding Torch/Electrode Holder Connection: Connect the TIG torch or MMA electrode holder to the corresponding terminal for your welding process.
5.2 Эрчим хүчний холболт
- Ensure the welder's power switch is in the OFF position.
- Connect the power cord to a suitable 110V or 220V AC power outlet. The machine automatically detects the input voltage. Ensure the outlet is properly grounded and can supply the required ampарилгах.
5.3 Gas Connection (for TIG Welding)
- Connect one end of the gas hose to the "Gas In" port on the rear of the welder.
- Connect the other end of the gas hose to your inert gas cylinder (e.g., Argon) via a pressure regulator.
- Хийн алдагдал гарахаас сэргийлж бүх холболтыг нягт байгаа эсэхийг шалгаарай.
5.4 Гагнуурын кабелийн холболтууд
- Газрын Clamp: Газардуулга clamp cable to the negative (-) terminal for DC TIG/MMA or to the appropriate terminal as indicated for AC TIG. Secure the ground clamp ажлын хэсэг эсвэл гагнуурын ширээнд холбож, цахилгаан холбоо барих сайн байдлыг хангана.
- TIG бамбар: For TIG welding, connect the TIG torch cable to the positive (+) terminal for DC TIG or to the appropriate terminal for AC TIG. Connect the gas line from the torch to the welder's gas output.
- Электрод эзэмшигч: For MMA (Stick) welding, connect the electrode holder cable to the positive (+) terminal.
6. Ашиглалтын заавар
6.1 Ерөнхий үйл ажиллагаа
- After completing all connections, turn on the power switch on the rear panel.
- Select the desired welding process (TIG or MMA) and current type (AC or DC) using the front panel controls.
- Adjust the welding current using the "Current Adjust Knob" according to the material thickness and electrode/filler rod size.
- For TIG welding, set the gas flow rate on your regulator.
6.2 TIG Welding (AC/DC)
The HVT250P supports both AC TIG for aluminum and DC TIG for other metals.

Зураг 6.1: Demonstrating AC/DC TIG welding. Welding wire diameter: 2.4/3.2mm, Welding thickness: 1-8mm.
- AC TIG: Select AC mode for welding aluminum and magnesium alloys. This mode provides a cleaning action that breaks up oxides on the material surface.
- DC TIG: Select DC mode for welding stainless steel, carbon steel, copper, and other non-ferrous metals (except aluminum).
- Pulse TIG: Engage the "Pulse ON/OFF Shift Switch" to activate pulse mode. Adjust pulse frequency (20-200Hz) and duty cycle (10-90%) as needed for better heat control and reduced distortion, especially on thin materials.
- Ensure a tungsten electrode of appropriate size and type is installed in the TIG torch.
- Maintain proper arc length and torch angle for optimal weld quality.

Зураг 6.2: A welder performing TIG welding with the HVT250P.
6.3 MMA (Stick) Welding
The HVT250P also functions as an MMA (Manual Metal Arc) or Stick welder.

Зураг 6.3: A welder performing MMA welding. MMA welding wire diameter: 2.5/3.2mm, Welding thickness: 2-12mm.
- Connect the electrode holder to the positive (+) terminal and the ground clamp сөрөг (-) терминал руу.
- Insert the appropriate coated electrode into the electrode holder.
- Select MMA mode on the control panel.
- Adjust the welding current based on the electrode type and diameter, and the material thickness.
- Strike the arc by lightly touching the electrode to the workpiece and quickly lifting it slightly to establish the arc.
7. Засвар үйлчилгээ
Regular maintenance ensures the longevity and safe operation of your welding machine. Always disconnect power before performing any maintenance.
- Цэвэрлэгээ: Periodically clean the interior of the machine using dry compressed air to remove dust and metal particles. Ensure the cooling fan and vents are free from obstructions.
- Кабелийн үзлэг: Regularly inspect welding cables, ground clamp, and torch for damage, cuts, or loose connections. Replace damaged components immediately.
- Tungsten Electrodes (TIG): Sharpen or replace tungsten electrodes as needed to maintain arc stability and weld quality.
- Gas System: Check gas hoses and connections for leaks.
8. Алдаа засах
Нийтлэг асуудлууд болон тэдгээрийн боломжит шийдлүүдийг доорх хүснэгтээс харна уу. Хэрэв асуудал хэвээр байвал хэрэглэгчийн тусламжтай холбогдоно уу.
| Асуудал | Боломжит шалтгаан | Шийдэл |
|---|---|---|
| Гагнуурчин асахгүй байна. | No power supply; Power switch off; Faulty power cord. | Check power outlet and circuit breaker; Ensure power switch is ON; Inspect and replace power cord if damaged. |
| Гагнуурын нум байхгүй. | Poor ground connection; Incorrect welding mode; Insufficient current setting; Faulty torch/electrode holder. | Газардуулга clamp has good contact; Select correct mode (TIG/MMA); Increase current; Inspect and replace cables/torch. |
| Unstable arc or poor weld quality. | Буруу гүйдэл/ботьtage settings; Contaminated workpiece; Improper gas flow (TIG); Worn tungsten electrode (TIG); Incorrect electrode type (MMA). | Adjust settings; Clean workpiece; Check gas supply and flow rate; Sharpen/replace tungsten; Use correct electrode. |
| Хэт халалтын хамгаалалт идэвхжсэн. | Exceeded duty cycle; Obstructed cooling vents; High ambient temperature. | Allow machine to cool down; Clear obstructions from vents; Operate in a cooler environment. |
9. Техникийн үзүүлэлтүүд
Technical specifications for the HZXVOGEN HVT250P AC/DC TIG/MMA Welder.

Зураг 9.1: Dimensions and technical data for the HVT250P.
| Параметр | Үнэ цэнэ |
|---|---|
| Загвар | HVT250P AC/DC |
| Оролтын хэмжээtage | 110/220V Dual Voltage |
| Гагнуурын гүйдлийн хүрээ | 200А (хамгийн их) |
| Импульсийн давтамж | 20-200 Гц |
| Ажлын мөчлөг | 10-90% |
| Технологи | IGBT Square Wave Inverter |
| Зүйлийн жин | 44.3 фунт (ойролцоогоор 20.1 кг) |
| Багцын хэмжээ | 21.12 x 18.7 x 13.15 инч (ойролцоогоор 53.6 x 47.5 x 33.4 см) |
| Тусгаарлалтын ангилал | F |
| Хавсралтын анги | IP21S |
10. Баталгаат хугацаа ба дэмжлэг
For warranty information and technical support, please refer to the documentation provided with your purchase or contact HZXVOGEN customer service directly. Keep your purchase receipt as proof of purchase.





