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Daihen OTC DM-350 User Manual

Daihen OTC DM-350
72 pages
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MANUAL NO:P10322
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OWNER'S MANUAL
FOR
DIGITAL INVERTER
DM350
MODEL: DM-350 P10322
INVERTER CONTROLLED WELDING POWER SOURCE
DO NOT DESTROY
IMPORTANT: Read and understand the entire contents of this
manual, with special emphasis on the safety material throughout
the manual, before installing, operating, or maintaining this
equipment. This equipment and this manual are for use only by
persons trained and experienced in the safety operation of welding
equipment. Do not allow untrained persons to install, operate or
maintain this equipment. Contact your distributor if you do not
fully understand this manual.
DAIHEN Corporation
WELDING PRODUCTS DIVISION
December 18, 2003
Upon contact, advise MODEL and MANUAL NO.
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MAG

Questions and Answers:

Daihen OTC DM-350 Specifications

General IconGeneral
BrandDaihen
ModelOTC DM-350
CategoryInverter
LanguageEnglish

Summary

Safety Information

General Safety Precautions

General safety guidelines for arc welding, covering electric shock, arc rays, fumes, cylinders, rotating parts, and work areas.

General Notice of Operation

Rated Duty Cycle

Explains the welding machine's duty cycle, its limitations, and the importance of adhering to it for proper operation and longevity.

Welding Process and Wire Diameter

Lists applicable welding processes and corresponding wire diameters, along with recommended shielding gases for optimal performance.

Standard Composition and Accessories

Standard Composition and Accessories

Details the standard components included with the welding power source and lists necessary preparations for welding.

Consumables for Welding

Outlines the required consumables for welding, including various types of shield gas and welding wire.

Function of Equipment

Welding Power Source Overview

Provides an overview of the welding power source, detailing its front and rear panel features, controls, and indicators.

Gas Flow Rate Regulator

Details the proper use and safety precautions associated with the gas flow rate regulator.

Necessary Power Source Equipment

Power Source Equipment Requirements

Outlines the electrical power source requirements for commercial use and provides precautions for operating with an engine generator.

Transport and Installation

Transporting the Welding Machine

Provides essential safety instructions and warnings for transporting the welding power source to prevent damage or injury.

Installation Guidelines

Covers crucial installation guidelines to prevent fire hazards, fume exposure, and electromagnetic interference.

Connection Procedure and Ground for Safety Use

Connecting the Welding Power Source

Details the step-by-step procedure for connecting the welding power source, wire feeder, and base metal, emphasizing safety.

Gas Hose Connection

Explains the procedure for securely connecting the gas hose to the gas cylinder and wire feeder, highlighting safety.

Welding Preparation

Preparing Protective Equipment

Details the necessary personal protective equipment (PPE) and environmental precautions for safe welding operations.

Operating Switches and Gas Flow Control

Guides users on operating switches and controlling the gas flow rate regulator for proper welding setup.

Inching Operation

Explains the inching operation, used for feeding welding wire, and safety precautions associated with it.

Welding Conditions

Provides recommended welding conditions for various scenarios, including CO2, MAG, and other processes, for optimal results.

Operation

Front Panel Controls Overview

Provides an overview of the front panel controls, indicators, and displays.

Basic Settings and Parameters

Guides users through setting the welding mode, wire diameter, and adjusting basic operational parameters.

Crater-Fill and Arc Spot Functions

Details the setup and use of CRATER-FILL and Arc Spot functions for controlling the weld termination process.

Voltage Adjustment Methods

Explains the different methods for adjusting welding voltage, including individual and synergic adjustments.

Advanced Arc Features

Covers advanced features like Constant Penetration and Arc Characteristics for fine-tuning the welding arc.

GAS CHECK and INCHING Functions

Explains how to perform a gas check and use the inching function for wire feeding.

Parameter Verification and Knob Adjustment

Guides on verifying parameters displayed and using the parameter adjusting knob for fine-tuning settings.

Analog Remote Control Operation

Details how to connect and operate the optional analog remote control for managing welding parameters.

Applied Settings and Internal Functions

Covers advanced settings and functions, including internal function adjustments and mode selections.

Key Lock and JOB MEMORY

Explains the Key Lock feature for preventing accidental changes and the JOB MEMORY function for saving/loading welding conditions.

Welding Condition Memory Management

Provides instructions for saving, loading, and erasing welding conditions stored in memory.

Resetting to Initial Values

Details the procedure for resetting the welding power source to its initial default values.

Applied Function

Error Codes and Troubleshooting

Lists common error codes displayed on the front panel and provides guidance on troubleshooting and resolving them.

External Machine Connections

Explains how to connect external equipment, including automatic machines and remote controls, using terminal blocks.

Optional Accessories

Lists and describes optional accessories available for the welding power source, such as remote controls and extension cables.

Maintenance and Troubleshooting

Routine Maintenance Procedures

Outlines routine maintenance checks, periodic inspections, and cleaning procedures to ensure safety and performance.

Printed Circuit Board Handling Precautions

Provides critical safety precautions and procedures for handling and replacing printed circuit boards.

Electrical Safety Tests

Details procedures for performing insulation resistance and withstand voltage tests to ensure electrical safety.

Battery Replacement

Provides a step-by-step guide for replacing the internal batteries used for memory retention.

Troubleshooting Common Issues

Lists common operational troubles, their potential causes, and recommended solutions.

Parts List

Component Parts List

A detailed list of all replaceable parts for the welding power source, including part numbers and specifications.

Specifications

Welding Power Source Specs & External View

Presents the technical specifications of the welding power source and provides a visual representation of its external dimensions.

Quick Manual

Initial Setup and Basic Operation

A concise guide to the initial setup, basic operation, and parameter adjustments for the welding power source.

Crater/Arc Spot and Function Settings

Quick instructions for setting CRATER-FILL, Arc Spot, and other operational functions.

Parameter Adjustment and Gas/Wire Control

Quick steps for adjusting parameters, checking gas flow, and performing wire inching.

Service and Support

Contacting Support for Service

Provides essential information on how to contact the dealer for service and what details to provide.

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