Operator`s manual
vi 
TABLE OF CONTENTS
 Page
 Installation.......................................................................................................................Section A
 Technical Specifications.......................................................................................................A-1
 Product Description. .............................................................................................................A-2
 Recommended Equipment and Processes ..........................................................................A-3
 Multi-System Power Source..........................................................................................A-3
 Distribution Box .............................................................................................................A-3
 “Pig-Tail” Leads and Connectors ..................................................................................A-3
 Remote Output Control Options....................................................................................A-4
 CV Mode Wire WElding ................................................................................................A-4
 CC Mode Stick Welding and Gouging...........................................................................A-4
 Quick-Connect “Pig-Tails” ....................................................................................................A-4
 Attachment and Arrangement of “Pig-Tails” .........................................................................A-4
 Work Connection..................................................................................................................A-5
 Case Grounding ...................................................................................................................A-5
 Inter-Connection of Converters ............................................................................................A-6
 Power Source Setup ............................................................................................................A-7
 Operation.........................................................................................................................Section B
 Front Panel Controls ............................................................................................................B-1
 Recessed Panel Controls.....................................................................................................B-2
 Paralleled Converters...........................................................................................................B-3
 Remote Control of Paralleled Converters.............................................................................B-3
 Transporting and Storage of the RED-D-ARC MX350 .........................................................B-3
 Cable Handling..............................................................................................................B-3
 Transporting ..................................................................................................................B-3
 Storage..........................................................................................................................B-3
 Protection Features  .............................................................................................................B-3
 Fan as Needed (F.A.N.) ................................................................................................B-3
 Over-Voltage Protection................................................................................................B-3
 Over-Current Protection ................................................................................................B-4
 Over-Temperature Shutdown........................................................................................B-4
 Maintenance ....................................................................................................Section C
 Safety Precautions ................................................................................................C-1
 Maintenance..........................................................................................................C-1
Digital Meter Calibration ......................................................................................................
C-1
Service .................................................................................................................................C-2
 Troubleshooting .............................................................................................................Section D
 How to use Troubleshooting Guide......................................................................................D-1
 Troubleshooting Guide...........................................................................................D-2 thru D-4
 Wiring Diagram and Dimension Prints..........................................................Section E
Parts Lists ...................................................................................................P-387 Series










