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Miller Electric
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Welder
Miller Electric
NT 456 CC, NT 456 CV
manual
IGBT/Capacitor Assembly
Models:
NT 456 CC
NT 456 CV
1
36
40
40
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40 pages
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Troubleshooting
Specification
Parts list
Electrical Diagram
Symbol Usage
Welding Wire can cause injury
Dimension
Maintenance
IGBT/Capacitor Assembly
Safety
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Hardware is common and
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937-C
Figure
8-3.
IGBT/Capacitor Assembly
OM-2243
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Contents
OM-2243212 113T
Processes
Description
File Multiprocess
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
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
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
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-2243
Nameplate Safety Symbols
− Definitions
− Installation
Specifications
Duty Cycle And Overheating
CC Mode
CV Mode
Volt-Ampere Curves
100 200 300 400 500 600
Selecting a Location
Movement Location
Dimensions And Weights
Dimensions
Weight
Be careful when placing or moving unit over uneven surfaces
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 Con- nections
= GND/PE Earth Ground
− Operation
Controls
Meter Functions For CC/CV Models
Lift-Arc TIG Procedure For CC/CV Models
Touch Seconds Do not Strike Like a Match
− Maintenance & Troubleshooting
Routine Maintenance
Disconnect power before maintaining
Disconnect input power be- fore opening rear access door
HE.L
Voltmeter/Ammeter Help Displays
Troubleshooting
Trouble Remedy
− Electrical Diagram
Circuit Diagram For NT 456 CC/CV Models
− Parts List
Main Assembly
THERMISTOR, NTC 10K OHM @ 25 DEG C 34IN Lead
Panel, Front With Components
14 12 274
Panel, Front With Components -1Item
IGBT/Capacitor Assembly
IGBT/Capacitor Assembly -1item
221
Panel, Rear With Components
Service
Your distributor also gives
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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