EWM inverter TIG 300 DC - User Manual

EWM HIGHTEC WELDING GmbH
Dr.-Günter - Henle - Straße 8; D-56271 Mündersbach
Phone: +49 (0)2680.181-0; Fax: +49 (0)2680.181-244
Internet:
www.ewm.de ; E-mail: info@ewm.de
Operating instructions
inverter
TIG DC welding machines
from 150A – 300A
portable
inverter
TIG 200 DC
powerSinus
power
Cooler
inverter
TIG 150 DC
inverter
TIG 250 DC
inverter
TIG 300 DC
These operating instructions must be read before commissioning!
Failure to do so may be dangerous!
Machines may only be operated by personnel familiar with the appropriate safety regulations!
The machines bear the conformity mark - and thus comply with the
?EC Low Voltage Guideline (73/23/EEC)
?EC EMV Directive (89/336/EEC)
(The CE Mark is only required in EC member states)
In compliance with VDE 0544 (EN 60974-1), the machines can be used in environments with
an increased electrical hazard.
 2000 We reserve the right to make amendments. Art. No.: 099-000016-EWM01 Revised: 28.08.2000

Summary

Operating Instructions

Safety Instructions

Personal Safety and Electrical Hazards

Covers personal protective measures, electric shock prevention, and safe handling of equipment.

Workplace Hazards and Fire Prevention

Addresses risks from smoke, gases, hot materials, sparks, and fire prevention measures.

Noise, Gas Cylinder, and EMI Safety

Guidance on hearing protection, securing gas cylinders, and mitigating electromagnetic interference.

Transport, Environment, and Manual Interpretation

General Information

Advantages of Inverter Technology

Highlights the benefits of inverter technology in welding machines, including efficiency and performance.

powerSinus Series Features

Technical Data

Machine Specifications and Applications

Provides detailed technical data and defines the application range for the welding machines.

Function Specification

Logic Control and Current Settings

Details the logic control, UP/DOWN-SLOPE, ignition, and main current adjustment features.

TIG Welding Operation Sequences

Explains function sequences for TIG welding, including latched and non-latched operations.

MMA Welding Features and Operation

Describes MMA welding capabilities like Arcforcing, Hotstart, and Antistick.

Remote Control and Automation Interface

Commissioning

Machine Placement and Mains Connection

Guidance on positioning the machine and connecting it to the power supply, including voltage settings.

Connecting Welding Torch and Workpiece

TIG Torch and Gas Supply Setup

Maintenance and Care

Visual Inspection Procedures

Electrical Resistance Testing

Methods for measuring protective conductor and insulation resistance to ensure electrical safety.

Function Testing and Repair Guidelines

Troubleshooting

Customer Fault Diagnosis Checklist

A step-by-step guide to diagnose and resolve common machine operating problems.

Circuit Diagrams

TIG 150 DC Wiring Schematic

TIG 200 DC powerSinus Wiring Schematic

TIG 250;300 DC Wiring Schematic

EWM inverter TIG 300 DC Specifications

General

Brand	EWM
Model	inverter TIG 300 DC
Category	Welding System
Language	English