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Miller Electric
CST 250
manual
Models:
CST 250
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Troubleshooting
Specification
Parts list
Electrical Diagrams
Symbol Usage
Connecting Input Power
Dimension
Maintenance
Magnetics Subassembly
Lift-ArcStart Procedure
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Notes
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Contents
OM-2237 206 035H
Processes
Description
From Miller to You
Table of Contents
Page
Arc Welding Hazards
Symbol Usage
Marks a special safety message
Electric Shock can kill
Flying Metal can injure eyes
ARC Rays can burn eyes and skin
Welding can cause fire or explosion
Buildup of GAS can injure or kill
California Proposition 65 Warnings
Principal Safety Standards
EMF Information
About Pacemakers
LES Décharges Électriques peuvent être mortelles
Signification des symboles
− Consignes DE Sécurité − À Lire Avant Utilisation
LES Fumées ET LES GAZ peuvent être dangereux
LES Pièces Chaudes peuvent cau- ser des brûlures graves
LE Soudage peut causer un incen- die ou une explosion
LES Particules Projetées peu- vent blesser les yeux
LE Bruit peut affecter l’ouïe
’EMPLOI Excessif peut Faire
Risque D’INCENDIE OU D’EXPLO
LA Chute DE L’APPAREIL peut blesser
LES Pièces Mobiles peuvent cau- ser des blessures
Principales normes de sécurité
Information sur les champs électromagnétiques
Consignes relatives aux stimulateurs cardiaques
− Installation
Specifications
Duty Cycle And Overheating
Stick Smaw Volt-Ampere Curves
100 150 200 250 300 350
TIG Gtaw Volt-Ampere Curve
Amps
Dimensions And Weight
Selecting a Location
Location And Airflow
350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 m
Weld Output Terminals And Selecting Cable Sizes
150 ft 200 ft 250 ft
Terminals Amperes
Positive + Weld Output Terminal
Stick Dcep Direct Current Electrode Positive Connections
Electrical Service Guide
50/60 Hz Single-Phase 50/60 Hz Three-Phase
Input Voltage
Selecting 230 Volts AC Single/Three Phase Input Voltage
Selecting 460 575 Volts AC Three Phase Input Voltage
Relinking Board Connection For 460 575 VAC Input Power
For single-phase operation
Connecting Input Power
For three-phase operation
= GND/PE
− Operation
Controls
Process Select Control
Lift-ArctTIG Normal
Lift-Arc Start
Stick Start Procedure − Scratch Start Technique
Lift-ArcStart Procedure
Application
Fan-On-Demand
Amperage Control
Remote 14 Receptacle Information
Rack Mounting
Blowing Out Inside Of Unit
− Maintenance and Troubleshooting
Routine Maintenance
Months
Troubleshooting
Trouble Possible Causes Remedy
Use proper size and type of weld cable see Section
− Electrical Diagrams
Circuit Diagram
Safety Information About Tungsten
− Selecting and Preparing Tungsten Electrode
Selecting Tungsten Electrode
Tungsten Electrode
OM-2237
− Parts List
Main Assembly
CAPACITOR,ELCTLT 2400 UF 500 VDC can 2.5 DIA
Panel, Front w/Components
Panel, Rear w/Components
Magnetics Subassembly
Heat Sink Assembly, Output Diode
Base Assembly
Heat Sink Assembly, Input
Page
Service
Support
Owner’s Record
Miller Electric Mfg. Co
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Contents