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ESAB DTG 405 User Manual

ESAB DTG 405
92 pages
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0458 165 002 9910
DTG 405
Aristotig 405 AC/DC
Welding rectifier
Service manual

Table of Contents

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ESAB DTG 405 Specifications

General IconGeneral
Input Frequency50/60 Hz
Efficiency85%
Input Voltage400 V
Welding ProcessesMIG/MAG
Protection ClassIP23

Summary

SAFETY

TECHNICAL DIAGRAMS

PRINCIPAL DIAGRAM

High-level circuit diagram illustrating the unit's main functional blocks.

CONNECTION DIAGRAM

Detailed wiring diagram showing all electrical connections between components.

FUNCTION DIAGRAM

Illustrates the functional relationships and signal flow between different modules.

BLOCK DIAGRAM

Schematic representation of the unit's internal structure and modules.

GENERAL DESCRIPTION

CONNECTIONS

Details on input/output connections and gas connections for welding.

POWER ELECTRONICS ENERGY FLOW

Explains the path of electrical energy through the unit's components.

CONTROL AND ADJUSTMENT FUNCTIONS

Describes how control and adjustment functions operate, including user interface elements.

PROTECTION SYSTEMS

Details safety circuits, including overvoltage and start-up signal paths.

MODULE A1

A1 COMPONENT POSITIONS

Diagram showing the physical location of components on module A1.

A1 OPERATION AND SUB-CIRCUITS

Details on module A1's functions, including start-up, supply, monitoring, and protection.

MODULE A2

A2 COMPONENT POSITIONS

Diagram showing the physical location of components on module A2.

A2 DESCRIPTION OF OPERATION

Explanation of module A2's general functions and specific ramps.

MODULE A4, A5, A11, A12

A4, A11 COMPONENT POSITIONS

Diagram showing component layout for modules A4 and A11.

A5, A12 COMPONENT POSITIONS

Diagram showing component layout for modules A5 and A12.

TESTING PROCEDURES FOR POWER MODULES

Methods for testing modules A4, A5, A11, A12, including measurements and gate pulses.

MODULE A6

A6 COMPONENT POSITIONS

Diagram showing the physical location of components on module A6.

A6 OPERATION AND SUB-FUNCTIONS

Explanation of module A6's functions including supply, HF ignition, arc sense, and cooling.

MODULE A8

A8 COMPONENT POSITIONS

Diagram showing the physical location of components on module A8.

A8 DESCRIPTION OF OPERATION

Explanation of module A8's monitoring and control functions.

OTHER MODULES

A9, A13 COMPONENT POSITIONS

Component layout for modules A9 and A13.

A10, A14 COMPONENT POSITIONS

Component layout for modules A10 and A14.

A15 COMPONENT POSITIONS

Component layout for the interference suppression filter A15.

T2 COMPONENT POSITIONS

Component layout for the sense transformer T2.

FAULT TRACING AND REPAIR

SAFETY INSTRUCTIONS FOR REPAIRS

Guidelines for safe practices during repair and fault tracing.

ELECTRICAL SAFETY TESTS

Covers tests for protective conductors, insulation, and dielectric strength.

FAULT TRACING PROCEDURES

Discusses using power supplies, loads, and instruments for fault diagnosis.

UNIT ERROR CODES

Explains error codes displayed by the unit and their possible causes.

IT01 TESTER USAGE

Procedures for using the IT01 tester to diagnose electronic modules.

STARTING UP AND COMMISSIONING

GENERAL START-UP INFORMATION

General guidance and preparation steps before starting the unit.

POWER SECTION COMMISSIONING

Procedures for testing and commissioning the main power section.

COMMISSIONING A2 MODULE

Specific steps for commissioning the control module A2.

OPERATION MODES AND CONTROL

GENERAL OPERATION GUIDELINES

Basic safety, connections, remote control, and overheating protection.

CONTROL PANEL FUNCTIONS

Detailed explanation of all controls, potentiometers, and LEDs on the control panel.

WELDING MODES AND SETTINGS

Describes different welding modes (MMA, TIG) and parameter settings.

MAINTENANCE AND ACCESSORIES

MAINTENANCE PROCEDURES

Routine checks and cleaning recommendations for the unit.

ACCESSORIES INFORMATION

Details on available remote controls and other accessories.

SPARE PARTS LIST

ESAB SUBSIDIARIES AND REPRESENTATIVE OFFICES

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