Miller Electric
NT 450, NT 500
manual
Troubleshooting
Specs
Parts list
Electrical Diagram
Symbol Usage
Welding Wire can cause injury
Dimension
Maintenance
IGBT/Capacitor Assembly
General Precautionary Label
Page 4
Notes
Page 3
Page 5
Image 4
Page 3
Page 5
Contents
OM-2252218 084R
Processes
Description
File Multiprocess Welding
From Miller to You
Table of Contents
Page
Symbol Usage
Arc Welding Hazards
Electric Shock can kill
HOT Parts can cause severe burns
Fumes and Gases can be hazardous
ARC Rays can burn eyes and skin
Welding can cause fire or explosion
Flying Metal or Dirt can injure eyes
Welding Wire can cause injury
Fire or Explosion hazard
Falling Unit can cause injury
Moving Parts can cause injury
Principal Safety Standards
California Proposition 65 Warnings
EMF Information
About Implanted Medical Devices
Symboles utilisés
UNE Décharge Électrique peut entraîner la mort
LES Fumées ET LES GAZ peuvent être dangereux
DES Pièces Chaudes peuvent provoquer des brûlures graves
LE Soudage peut provoquer un in cendie ou une explosion
LE Bruit peut endommager l’ouïe
LES Bouteilles peuvent exploser si elles sont endommagées
Risque D’INCENDIE OU D’EXPLO- Sion
LA Chute DE L’APPAREIL peut blesser
LES Fils DE Soudage peuvent provoquer des blessures
Proposition californienne 65 Avertissements
LE Soudage À L’ARC risque de provoquer des interférences
Information EMF
Principales normes de sécurité
En ce qui concerne les implants médicaux
OM-2252
General Precautionary Label
− Definitions
Nameplate Safety Symbols
Input Connection Label
Electric Shock And Airflow Label
? a
Specifications
− Installation
Duty Cycle And Overheating
CC Mode
CV Mode
Volt-Ampere Curves
100 200 300 400 500 600
Selecting a Location
Movement
460 mm
460 mm OM-2252
Dimensions And Weights
Dimensions
Weight
376 lb 171 kg Holes EFront
Do not move or operate unit where it could tip
Turn Off power before connecting to receptacle
Tipping
VAC Receptacle And Circuit Breakers
Connecting Weld Output Cables
Weld Output Terminals And Selecting Cable Sizes
Connecting Remote Control
Turn off power before con
Remote 14 Receptacle Information
Socket
Electrical Service Guide
Placing Jumper Links
Connecting Input Power
Welding Power Source Input Power Connections
Disconnect Device Input Power Connec- tions
= GND/PE Earth Ground
− Operation
Controls
Lift-Arc TIG Procedure For CC/CV Models
Meter Functions For CC/CV Models
− Maintenance & Troubleshooting
Routine Maintenance
Disconnect power before maintaining
Disconnect input power be- fore opening rear access door
Help 3 Display
Voltmeter/Ammeter Help Displays
Help 7 Display
Troubleshooting
Trouble Remedy
Work like a Pro
− Electrical Diagram
Circuit Diagram For Dimension NT
218 081-F
− Parts List
Main Assembly
THERMISTOR, NTC 10K OHM @ 25 DEG C 34IN Lead
Panel, Front With Components
264
Panel, Front With Components -1Item
IGBT/Capacitor Assembly
IGBT/Capacitor Assembly -1item
221
Panel, Rear With Components
Page
Work like a Pro
Your distributor also gives
Service
Support
To locate a Distributor or Service Agency visit
Miller Electric Mfg. Co
For assistance in filing or settling claims, contact
Your distributor and/or equipment manufacturer’s
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