1. Introducció
This manual provides essential information for the safe and effective operation of your HITBOX HIM250DPP MIG 200A Pulse 7-in-1 Welder. Please read this manual thoroughly before operating the equipment. Proper understanding and adherence to these instructions will ensure optimal performance and user safety.
The HITBOX HIM250DPP is a versatile welding machine designed for various welding processes, including Gas MIG (GMAW), Gasless Flux Core MIG (FCAW), Stick (MMA), Lift TIG, Single Pulse MIG, and Dual Pulse MIG. It features a user-friendly interface and advanced control for precise welding results.

Image 1.1: The HITBOX HIM250DPP MIG 200A Pulse 7-in-1 Welder with its primary components and accessories.
2. Informació de seguretat
ADVERTÈNCIA: La soldadura pot ser perillosa. Seguiu sempre les precaucions de seguretat per evitar lesions o la mort.
- Descàrrega elèctrica: Welding current can cause fatal electric shock. Ensure proper grounding. Do not touch live electrical parts. Wear dry welding gloves and protective clothing.
- Fums i gasos: Welding fumes and gases can be hazardous to your health. Work in a well-ventilated area. Use an exhaust fan or fume extractor.
- Raigs d'arc: Arc rays can injure eyes and burn skin. Wear a welding helmet with a proper shade filter. Wear protective clothing (leather gloves, long sleeves, etc.).
- Incendi i explosió: Les espurnes de soldadura i el metall calent poden causar incendis o explosions. Mantingueu els materials inflamables allunyats de la zona de soldadura. Tingueu a mà un extintor.
- Cremades: Hot metal and equipment can cause severe burns. Allow equipment to cool before handling.
- Soroll: El soroll excessiu pot danyar l'oïda. Feu servir protecció auditiva.
- Marcapassos: Els camps magnètics dels corrents elevats poden afectar els marcapassos. Consulteu el vostre metge abans de soldar.
The HITBOX HIM250DPP includes several safety features:
- Protecció contra sobreintensitat: Automatically shuts down the machine if current exceeds safe limits.
- Overvoltage Protecció: Protects against damage from excessive input voltage.
- Protecció contra el sobreescalfament: Automatic shutdown if internal temperature becomes too high.
- Protecció de sobrecàrrega: Prevents damage from sustained high loads.
- VRD (Voltage Dispositiu de reducció): Redueix el volum del circuit oberttage for increased safety in Stick/MMA mode.
- Resistència a l'aigua IP21: Provides protection against vertically falling water drops.

Imatge 2.1: acabatview of the safety and durability features integrated into the HITBOX HIM250DPP welder.

Imatge 2.2: Interna view illustrating the high integration MCU and premium fan for enhanced security and durability.
3. Producte acabatview i Característiques
The HITBOX HIM250DPP is a multi-process welding machine offering 7 distinct welding functions:
- Synergic Gas MIG (GMAW): For welding with shielding gas.
- Spool Gun MIG: Specifically for aluminum welding (spool gun not included).
- Synergic Gasless Flux Core MIG (FCAW): For welding without shielding gas using flux-cored wire.
- MIG de doble pols: Advanced MIG mode for reduced heat input and improved weld appearance, especially for aluminum.
- MIG d'un sol pols: Provides controlled heat input for cleaner welds.
- MMA (Stick Welding): Per a soldadura amb elèctrodes recoberts.
- Ascensor TIG: For precise TIG welding (TIG torch not included).
- Soldadura per punts: Time-adjustable spot welding function.

Image 3.1: The 8-in-1 multi-function capabilities of the welder, including various MIG, MMA, Lift TIG, and Spot Welding modes.
3.1 Característiques clau
- Powerful Double Pulse Welding: Adjustable peak current, base current, frequency, and duty cycle for reduced heat input, minimal distortion, and enhanced weld appearance, particularly for aluminum.
- Synergic MIG Welding: Automatic parameter matching (welding thickness, wire feed speed) based on selected material and wire diameter, simplifying operation for all skill levels. Includes voltagCompensació electrònica i ajust de la inductància.
- Pantalla LED gran: A 4.3-inch high-clear LED screen provides accurate data display for precise welding results. Easy menu navigation via buttons and knobs.
- Alimentació suau del filferro: Equipped with a quality wire feeder compatible with 2-10 lbs welding wire spools.
- Dual Voltage Entrada: Funciona amb fonts d'alimentació de 110V i 220V.

Image 3.2: The 4.3-inch high-clear LED screen for mode selection and parameter adjustment.

Image 3.3: The smooth wire feeding mechanism, designed for 2-10 lbs welding wire spools.
4. Contingut del paquet
The HITBOX HIM250DPP welder package includes the following items:
- Welder HIM250DPPNEW unit
- MB24 MIG Torch (9.8 ft)
- Soldadura Clamp (4.9 peus)
- Terra Clamp (4.9 peus)
- 24KD Graphene Tube (10.5 ft)
- Aluminum Wires (1 lbs)
- Rollers (V:0.030/0.039, U:0.035/0.039)
- Conductive Nozzle x 2
- Tub de Clamp x 2
- Air Hose (6.5 ft)
- Clau anglesa
- Martell

Image 4.1: Visual representation of the welder and its included accessories.
5. Configuració
5.1 Connexió d'alimentació
The welder supports both 110V and 220V input. Ensure the correct power cord is used and connected to a suitable power outlet with proper grounding. Verify the input voltage matches the machine's setting if applicable.
5.2 Instal·lació de la bobina de filferro
- Obriu el compartiment de la bobina de filferro.
- Col·loqueu el carret de filferro al cargol, assegurant-vos que giri lliurement.
- Thread the welding wire through the wire feeder mechanism, ensuring it is seated correctly in the drive rollers.
- Close the compartment and adjust the wire tension as needed.
5.3 Torch and Clamp Connexions
Connecteu la torxa MIG, la presa de terraamp, and welding clamp to their respective terminals on the front panel of the welder. Ensure all connections are secure.

Imatge 5.1: Ex.amples of cable connections for different welding processes.
5.4 Connexió de gas (per a gas MIG)
If performing Gas MIG welding, connect the gas hose from your shielding gas cylinder to the gas inlet on the rear of the welder. Ensure the gas regulator is properly installed and set to the recommended flow rate for your application.
6. Instruccions de funcionament
The HITBOX HIM250DPP features a synergic control system, simplifying parameter setup. Follow these general steps for operation:
- Turn on the welder. The LED display will illuminate.
- Use the 'MODE' button and adjustment knob to select the desired welding process (MIG, Single Pulse MIG, Double Pulse MIG, Lift TIG, MMA).
- For MIG modes, select the welding material (e.g., Aluminum, Carbon Steel) and wire diameter. The synergic system will suggest initial parameters.
- Adjust the current (wire feeding speed) and voltage as needed using the adjustment knobs. The display provides real-time feedback.
- For Pulse MIG modes, further adjustments for peak current, base current, frequency, and duty cycle may be available.
- Begin welding, ensuring all safety precautions are observed.

Image 6.1: Synergic MIG Welding process flow.
6.1 Modes de soldadura
6.1.1 Double Pulse MIG (for Aluminum)
This mode is ideal for aluminum, offering precise control over heat input to minimize distortion and achieve aesthetic welds. Parameters like peak current, base current percentage, dual pulse frequency, and dual pulse duty cycle can be adjusted.

Image 6.1.1: Double Pulse MIG Aluminum Welding display interface.
6.1.2 Single Pulse MIG (for Aluminum)
A novice-friendly mode for aluminum welding, providing intuitive control for simpler operations.

Image 6.1.2: Single Pulse MIG Aluminum Welding display interface.
6.1.3 Gas MIG
Utilizes inert gas to protect the weld, reducing oxidation and improving weld purity and appearance. Suitable for various materials like carbon steel.

Image 6.1.3: Gas MIG welding display interface.
6.1.4 Lift TIG
For precise TIG welding. An additional WP17V TIG torch is required for this mode.

Image 6.1.4: Lift TIG welding display interface.
6.1.5 MMA (Stick Welding)
Features hot start and arc force functions to prevent electrode sticking, making it easier to strike and maintain an arc.

Image 6.1.5: MMA (Stick) welding display interface.
6.2 Materials aplicables
The HITBOX HIM250DPP is suitable for welding various materials, including:
- Alumini
- Acer suau
- Ferro colat
- Tub quadrat
- Acer inoxidable
- Xapa

Imatge 6.2.1: Ex.amples of materials compatible with the welder.
7. Manteniment
Un manteniment regular garanteix la longevitat i el funcionament segur de la vostra màquina de soldar.
- Neteja: Periodically clean the internal components of the welder using dry compressed air. Ensure the power is disconnected before cleaning. Keep the air vents clear of dust and debris.
- Torxa i cables: Inspect the welding torch, ground clamp, and welding cables for any damage, fraying, or loose connections before each use. Replace worn parts immediately.
- Consumibles: Regularly check and replace MIG torch consumables (contact tips, nozzles, diffusers) as they wear out. Ensure the correct size and type of contact tip for your welding wire.
- Alimentador de filferro: Clean the wire feeder rollers and guide tubes to prevent wire feeding issues. Ensure proper tension on the drive rollers.
- Emmagatzematge: Store the welder in a dry, clean environment when not in use. Protect it from dust and moisture.
8. Solució De Problemes
Aquesta secció ofereix solucions a problemes comuns que podeu trobar.
| Problema | Causa possible | Solució |
|---|---|---|
| El soldador no s'encén | Sense font d'alimentació; Cable d'alimentació defectuós; Error intern | Check power outlet and circuit breaker; Inspect power cord; Contact support |
| Sense arc / Arc feble | Poor ground connection; Incorrect settings; Worn consumables; Wire feeding issue | Ensure good ground contact; Adjust current/voltage; Replace contact tip/nozzle; Check wire feed path |
| Wire feeding issues (stuttering, no feed) | Incorrect drive roller tension; Clogged liner; Kinked wire; Wrong size drive roller/contact tip | Adjust drive roller tension; Clean/replace liner; Straighten wire; Use correct consumables |
| S'ha activat la protecció contra el sobreescalfament | Cicle de treball superat; Ventilació bloquejada; Temperatura ambient elevada | Allow machine to cool down; Clear ventilation openings; Operate in cooler environment |
| Mala qualitat de la soldadura (porositat, esquitxades) | Incorrect gas flow (MIG); Contaminated workpiece; Incorrect parameters; Worn consumables | Check gas flow/connections; Clean workpiece; Adjust settings; Replace consumables |
If you encounter issues not listed here or if the suggested solutions do not resolve the problem, please contact HITBOX customer support.
9. Especificacions
| Característica | Especificació |
|---|---|
| Número de model | HIM250DPP |
| Pes de l'article | 22.5 lliures (aprox. 9.8 kg) |
| Dimensions del producte | 16.9 x 7.48 x 9.84 polzades (43 x 19 x 25 cm) |
| Font d'alimentació | AC (110V/220V compatible) |
| Material | Metall |
| Processos de soldadura | Gas MIG, Gasless Flux Core MIG, Stick (MMA), Lift TIG, Single Pulse MIG, Dual Pulse MIG, Spot Welding |
| MIG Current Range | Fins a 200A |
| Compatibilitat de cables | Filferro sòlid de 030"/039", filferro amb nucli de flux de 030"/035"/039", filferro d'alumini de 039"/045" |
| Refrigeració | Fan on Demand |
| Classe de protecció | IP21 |

Image 9.1: Physical dimensions and weight of the welder.
10. Garantia i Suport
For warranty information and customer support, please refer to the documentation included with your product or visit the official HITBOX weblloc web. Conserveu el rebut de compra com a comprovant de compra per a qualsevol reclamació de garantia.
For technical assistance or inquiries, you may contact HITBOX customer service through their official channels. Please have your model number (HIM250DPP) and purchase details ready when contacting support.