Miller Electric CST 250 manual Operation, Controls

Page 23

SECTION 4 − OPERATION

4-1. Controls







2	5	3	4

NOTE: Green on nameplate indicates a TIG function, Gray indicates a Stick function.

1 Power Switch

Use switch to turn unit and indicator light On/Off.

2 Output Indicator Light

When unit is first energized this indicator light flashes several times and then illuminates continuously. When unit is shut down, the indicator light flashes several times and the cooling fan will run briefly, then both will turn off completely.

3Process Control See Section 4-2.

4Amperage Control See Section 4-5.

5High Temperature Shutdown Light

When unit is first energized this indicator light illuminates for approximately 1 second to provide visual confirmation that the light is functioning properly (see Section 3-2).

6 Remote 14 Receptacle

204 301 / 803 080

OM-2237 Page 19

Image 23

Contents Description OM-2237 206 035HProcesses From Miller to You Table of Contents Page Electric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesCalifornia Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information LES Fumées ET LES GAZ peuvent être dangereux Signification des symboles− Consignes DE Sécurité − À Lire Avant Utilisation LES Décharges Électriques peuvent être mortellesLE Bruit peut affecter l’ouïe LE Soudage peut causer un incen- die ou une explosionLES Particules Projetées peu- vent blesser les yeux LES Pièces Chaudes peuvent cau- ser des brûlures gravesLES Pièces Mobiles peuvent cau- ser des blessures Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peut FaireConsignes relatives aux stimulateurs cardiaques Principales normes de sécuritéInformation sur les champs électromagnétiques Duty Cycle And Overheating − InstallationSpecifications 100 150 200 250 300 350 Stick Smaw Volt-Ampere CurvesAmps TIG Gtaw Volt-Ampere CurveLocation And Airflow Dimensions And WeightSelecting a Location Terminals Amperes Weld Output Terminals And Selecting Cable Sizes150 ft 200 ft 250 ft 350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 mPositive + Weld Output Terminal Input Voltage Electrical Service Guide50/60 Hz Single-Phase 50/60 Hz Three-Phase Stick Dcep Direct Current Electrode Positive ConnectionsSelecting 230 Volts AC Single/Three Phase Input Voltage Relinking Board Connection For 460 575 VAC Input Power Selecting 460 575 Volts AC Three Phase Input Voltage= GND/PE Connecting Input PowerFor three-phase operation For single-phase operationControls − OperationLift-ArctTIG Normal Process Select ControlApplication Stick Start Procedure − Scratch Start TechniqueLift-ArcStart Procedure Lift-Arc StartRack Mounting Amperage ControlRemote 14 Receptacle Information Fan-On-DemandMonths − Maintenance and TroubleshootingRoutine Maintenance Blowing Out Inside Of UnitTrouble Possible Causes Remedy TroubleshootingUse proper size and type of weld cable see Section Circuit Diagram − Electrical DiagramsSelecting Tungsten Electrode Safety Information About Tungsten− Selecting and Preparing Tungsten Electrode Tungsten Electrode OM-2237 Main Assembly − Parts ListCAPACITOR,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 Support ServiceMiller Electric Mfg. Co Owner’s Record