Miller Electric CST 250 VRD manual Stick Smaw Volt-Ampere Curves, DC Amps

Page 14

3-3. Stick (SMAW) Volt-Ampere Curves

XX10 STICK VA CURVES

	90
	80
	70
	60
VOLTS	50
VOLTS
DC	40
DC
	30
	20
	10		30A SOFT			30A STIFF		250A SOFT	250A STIFF
			30A SOFT			30A STIFF		250A SOFT	250A STIFF
	0	0	50	100	150	200	250	300	350	400

DC AMPS

Volt-ampere curves show minimum and maximum voltage and amperage output capabilities of welding power source. Curves of other settings fall between curves shown.

XX18 STICK VA CURVES

	90
	80
	70
	60
VOLTS	50
VOLTS	40
DC	40
DC
	30
	20
	10	30A SOFT			30A STIFF		250A SOFT	250A STIFF
	0	0	50	100	150	200	250	300	350

DC AMPS

OM-220 812 Page 10

Image 14

Contents Description OM-220 812BProcesses From Miller to You Table of Contents Page Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can killFlying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or killCalifornia Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information LES Décharges Électriques peuvent être mortelles Signification des symboles− Consignes DE Sécurité − À Lire Avant Utilisation LES Fumées ET LES GAZ peuvent être dangereuxLES Pièces Chaudes peuvent cau- ser des brûlures graves LE Soudage peut causer un incen- die ou une explosionLES Particules Projetées peu- vent blesser les yeux LE Bruit peut affecter l’ouïe’EMPLOI Excessif peut Faire Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser LES Pièces Mobiles peuvent cau- ser des blessuresConsignes relatives aux stimulateurs cardiaques Principales normes de sécuritéInformation sur les champs électromagnétiques Duty Cycle And Overheating − InstallationSpecifications Stick Smaw Volt-Ampere Curves DC AmpsTIG Gtaw Volt-Ampere Curve Location And Airflow Dimensions And WeightSelecting a Location 350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 m Weld Output Terminals And Selecting Cable Sizes150 ft 200 ft 250 ft Terminals AmperesPositive + Weld Output Terminal Stick Dcep Direct Current Electrode Positive Connections Electrical Service Guide50/60 Hz Single-Phase 50/60 Hz Three-Phase Input VoltageSelecting 220 Volts AC Single/Three Phase Input Voltage Selecting 400 440 Volts AC Three Phase Input Voltage Relinking Board Connection For 400 440 VAC Input PowerFor single-phase operation Connecting Input PowerFor three-phase operation = GND/PE− Operation ControlsProcess Select Control Lift-ArctTIG NormalLift-Arc Start Stick Start Procedure − Scratch Start TechniqueLift-ArcStart Procedure ApplicationFan-On-Demand Amp Adjust ControlRemote 14 Receptacle Information Rack MountingBlowing Out Inside Of Unit − Maintenance and TroubleshootingRoutine Maintenance MonthsTroubleshooting Trouble Possible Causes RemedyUse proper size and type of weld cable see Section − Electrical Diagrams Circuit DiagramSelecting Tungsten Electrode Safety Information About Tungsten− Selecting and Preparing Tungsten Electrode Tungsten Electrode OM-220 812 − Parts List Main AssemblyCAPACITOR,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 SupportOwner’s Record Miller Electric Mfg. Co