Miller Electric
NT 450, NT 500
manual
Work like a Pro
Troubleshooting
Specification
Parts list
Electrical Diagram
Symbol Usage
Welding Wire can cause injury
Dimension
Maintenance
IGBT/Capacitor Assembly
General Precautionary Label
Page 42
Notes
Work like a Pro!
Pros weld and cut safely. Read the safety rules at the beginning of this manual.
Page 41
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Image 42
Page 41
Page 43
Contents
Description
OM-2252218 084R
Processes
File Multiprocess Welding
From Miller to You
Table of Contents
Page
Electric Shock can kill
Symbol Usage
Arc Welding Hazards
HOT Parts can cause severe burns
Welding can cause fire or explosion
Fumes and Gases can be hazardous
ARC Rays can burn eyes and skin
Flying Metal or Dirt can injure eyes
Falling Unit can cause injury
Welding Wire can cause injury
Fire or Explosion hazard
Moving Parts can cause injury
EMF Information
Principal Safety Standards
California Proposition 65 Warnings
About Implanted Medical Devices
Symboles utilisés
UNE Décharge Électrique peut entraîner la mort
DES Pièces Chaudes peuvent provoquer des brûlures graves
LES Fumées ET LES GAZ peuvent être dangereux
LE Soudage peut provoquer un in cendie ou une explosion
Risque D’INCENDIE OU D’EXPLO- Sion
LE Bruit peut endommager l’ouïe
LES Bouteilles peuvent exploser si elles sont endommagées
LA Chute DE L’APPAREIL peut blesser
Proposition californienne 65 Avertissements
LES Fils DE Soudage peuvent provoquer des blessures
LE Soudage À L’ARC risque de provoquer des interférences
Principales normes de sécurité
Information EMF
En ce qui concerne les implants médicaux
OM-2252
General Precautionary Label
− Definitions
Electric Shock And Airflow Label
Nameplate Safety Symbols
Input Connection Label
? a
− Installation
Specifications
Duty Cycle And Overheating
Volt-Ampere Curves
CC Mode
CV Mode
100 200 300 400 500 600
460 mm
Selecting a Location
Movement
460 mm OM-2252
Weight
Dimensions And Weights
Dimensions
376 lb 171 kg Holes EFront
Tipping
Do not move or operate unit where it could tip
Turn Off power before connecting to receptacle
VAC Receptacle And Circuit Breakers
Connecting Weld Output Cables
Weld Output Terminals And Selecting Cable Sizes
Remote 14 Receptacle Information
Connecting Remote Control
Turn off power before con
Socket
Electrical Service Guide
Placing Jumper Links
Disconnect Device Input Power Connec- tions
Connecting Input Power
Welding Power Source Input Power Connections
= GND/PE Earth Ground
− Operation
Controls
Lift-Arc TIG Procedure For CC/CV Models
Meter Functions For CC/CV Models
Disconnect power before maintaining
− Maintenance & Troubleshooting
Routine Maintenance
Disconnect input power be- fore opening rear access door
Voltmeter/Ammeter Help Displays
Help 3 Display
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
Service
Your distributor also gives
Support
For assistance in filing or settling claims, contact
To locate a Distributor or Service Agency visit
Miller Electric Mfg. Co
Your distributor and/or equipment manufacturer’s
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