Hanwang WS-125A/160A/180A/200A/250A/315A SCR DC Argon Arc Welding Machine User Manual

About this manual

The WS series consists of SCR‑controlled DC argon arc welding machines (WS‑125A, WS‑160A, WS‑180A, WS‑200A, WS‑250A, WS‑315A) designed for welding thin to medium‑thick steel, stainless steel, titanium, copper and alloys. They feature high‑frequency arc ignition, lightweight transformer, and precise current control.

This manual covers safety precautions, transport and storage conditions, detailed installation steps, wiring diagrams, panel descriptions, technical specifications, operation procedures for manual and argon‑arc modes, troubleshooting tables, warranty information and a packing list. This manual is written in Chinese.

What's inside

• Safety Warnings
• Main Uses and Applicable Range
• Specifications and Technical Parameters
• Product Main Components
• Electrical Diagrams
• Installation, Connection and Testing
• Operation Instructions
• Troubleshooting and Fault Diagnosis
• Warranty and Quality Commitment
• Packing List and Appendices

Specifications

Frequently asked questions

What safety precautions should be taken before using the welding machine?

The manual warns that the machine contains dangerous voltage, requires proper grounding, and that operators must wear protective clothing, eye protection, use ventilation, and avoid fire hazards, smoke, arc radiation and excessive noise.

How should the welding machine be connected to the power supply?

Before connecting to the grid, the machine must be safely grounded by attaching a grounding wire to the grounding screw, then the power cable is connected firmly to the mains.

What are the main components shown in the wiring diagram?

The diagram includes the gas pipe, flowmeter, power cable, ground line, control line, workpiece, argon welding gun and the main unit.