CIGWELD 250i Transmig User Manual

250
240
PFC
250i
Operating Manual
Revision: AD Issue Date: October 12, 2011 Manual No.: 0-5187
Operating Features:
TRANSMIG
MULTI PROCESS WELDING
INVERTER
2RT
WIRE FEEDER (OPTIONAL)

CIGWELD 250i Transmig Specifications

General

Model	CIGWELD 250i Transmig
Duty Cycle	60% at 250A
Insulation Class	H
Rated Output	250A
Welding Current Range	30-250A
Process Capability	MIG, TIG, Stick

Summary

Arc Welding Safety Instructions and Warnings

Arc Welding Hazards

Covers electric shock, fumes, sparks, fire, explosions, and cylinder safety.

Principal Safety Standards

Lists key safety standards for welding operations and equipment.

Declaration of Conformity

Confirms compliance with relevant directives and technical specifications.

Introduction to the Transmig 250i Manual

How to Use This Manual

Explains manual structure, annotations (Warning, Caution, Note), and purchase.

Equipment Identification

How to locate and record unit identification numbers (model, serial).

Packaged Items

Lists all components included with the welding unit.

Specifications

Provides detailed technical specifications for the welding unit.

Installation Operation and Setup Guide

Environment and Location Requirements

Specifies suitable installation environments and placement guidelines.

Mains Supply Voltage Requirements

Details required mains voltage and its tolerance for proper operation.

Power Source Controls and Features

Explains the function of front panel controls, indicators, and displays.

Advanced Features Details

Covers configuration options for MIG, LIFT TIG, and STICK welding modes.

Wire Feeder Setup and Operation

Guides on setting up and operating optional wire feeders and related components.

Welding Process Setup Procedures

Step-by-step instructions for setting up MIG, FCAW, TIG, and Stick welding.

Basic Welding Techniques and Troubleshooting

MIG (GMAW/FCAW) Welding Basics

Explains MIG and FCAW processes, variables, and techniques.

MIG (GMAW/FCAW) Troubleshooting

Addresses common issues like porosity and inconsistent wire feed.

Stick (MMAW) Welding Basics

Covers Stick welding techniques, electrode selection, and material effects.

TIG (GTAW) Welding Basics

Explains TIG welding process, electrode, and filler wire selection.

Power Source Problems and Routine Service

Power Source Problems and Error Codes

Lists common power source faults, their causes, and remedies.

Routine Service and Calibration Requirements

Outlines periodic inspection, insulation resistance, VRD tests, and calibration.

Cleaning Procedures

Instructions for cleaning the welding power source and feed rolls.

Key Spare Parts Identification

Tweco Fusion 250 MIG Torch Parts

Lists replacement parts for the Tweco MIG torch.

Transmig 250i Power Source Spare Parts

Lists replacement parts for the welding power source.

Appendices: Options Accessories and Diagrams

Options and Accessories List

Details available optional equipment and accessories for the unit.

Circuit Diagram

Provides the electrical circuit diagram for the Transmig 250i.

CIGWELD Product Warranty Information

Limited Warranty Terms

Outlines the warranty coverage, limitations, and exclusions.

Warranty Schedule

Specifies warranty periods for different components and labor.

Global Customer Service Contact Information

Regional Customer Service Contacts

Lists contact details for CIGWELD service centers worldwide.