Miller XMT 350 MPa - User Manual

Arc Welding Power Source
XMT 350 MPa
OM-255 677C
2012−02
Processes
Description
Multiprocess Welding
™
File: MULTIPROCESS
Visit our website at
www.MillerWelds.com
CE
CC/CV Auto-Line
R

Summary

Section 1 - Safety Precautions

1-2. Arc Welding Hazards

Details potential hazards associated with arc welding processes.

1-3. Additional Symbols For Installation, Operation, And Maintenance

Section 4 - Introduction

4-4. Duty Cycle And Overheating

Discusses duty cycle ratings and measures to prevent overheating.

Section 5 - Installation

5-5. Weld Output Receptacles And Selecting Cable Sizes

5-9. Electrical Service Guide

Provides guidance on electrical service requirements and connections.

5-10. Connecting 3-Phase Input Power

Details the procedure for connecting 3-phase input power to the unit.

Section 6 - General Operation

6-2. Mode Switch Settings

Details the different modes selectable via the mode switch and their functions.

6-3. Configuration Option Menu

Explains how to access and use the configuration option menu.

Section 7 - GTAW Operation

7-2. Scratch Start TIG Welding Mode - GTAW Process

Describes the setup and operation of the Scratch Start TIG welding mode.

7-3. Lift-Arc TIG Welding Mode - GTAW Process

Details the setup and operation of the Lift-Arc TIG welding mode.

7-4. TIG Welding Mode - GTAW Process

Explains the setup and operation for the general TIG welding mode.

Section 8 - GMAW;GMAW-P;FCAW Operation

8-2. MIG Welding Mode - GMAW;FCAW Process

Details the setup and operation for MIG welding.

8-4. Pulsed MIG Welding Mode - GMAW-P Process

Describes setup and operation for Pulsed MIG welding.

8-8. V-Sense Feeder Welding Mode - GMAW;FCAW Process

Details setup and operation for V-Sense Feeder welding.

8-9. V-Sense Feeder Welding Mode - GMAW-P Process

Explains V-Sense Feeder operation for Pulsed MIG processes.

Section 9 - SMAW;CAC-A Operation

9-2. Stick Remote Welding Mode - SMAW;CAC-A Process

9-3. Stick Hot Welding Mode - SMAW;CAC-A Process

Section 10 - Maintenance & Troubleshooting

10-1. Routine Maintenance

10-3. Help Displays

10-4. Troubleshooting

Offers solutions for common operational problems and issues.

Miller XMT 350 MPa Specifications

General

Input Frequency	50/60 Hz
Input Phase	1/3
Output Voltage Range	10-32 V
Rated Output	300 A at 32 V
Duty Cycle	60% at 350 A
Welding Processes	MIG (GMAW), Stick (SMAW), TIG (GTAW), Flux-Cored (FCAW)