Miller Electric CST 250 VRD manual Magnetics Subassembly

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. Hardware is common and		13
not available unless listed.		13
not available unless listed.
	8	14
		14

7

8		3
		12
		11
16		10
6		9
6
	8	1
		1
	15

5	2

4	803 163-B

					Figure 8-4. Magnetics Subassembly
Item Dia.				Part	Description	Quantity
	No.		Mkgs.	No.	Description	Quantity
					Figure 8-4. Magnetics Subassembly

. . .	1		. . . . . . . . . .	206063	. . PANEL,PLENUM	. . . 1
. . .	2		. . . . T1 . .	212812	. . XFMR,HF LITZ/LITZ W/BOOST	. . . 1
. . . 3		. . . FM . .		196887	. . FAN,MUFFIN 24VDC 3000 RPM 130 CFM 4.125 MTG HOLES	. . . 1
. . .	4		. . . . Z1 . .	206064	. . INDUCTOR,OUTPUT	. . . 1
. . . 5		. . . CR1 . .		206258	. . RELAY,ENCL 24VDC SPST 30A/240VAC 4PIN FLANGE MTG	. . . 1
. . .	6		. . . . R3 . .	206281	. . RESISTOR,W/LEADS	. . . 1
. . . 7		. . . . C3 . .		196143	. . CAPACITOR,POLYP MET FILM 16. UF 400 VAC 10%	. . . 1
. . . 8			. . . . . . . . . .	057357	. . BUSHING,SNAP−IN NYL .937 ID X 1.125 MTG HOLE	. . . 3
. . . 9			. . . . . . . . . .	109056	. . CORE,FERRITE E 2.164 LG X 1.094 HIGH X .826 WIDE	. . . 1
. . . 10			. . . . L3 . .	206273	. . COIL,INDUCTOR (BOOST)	. . . 1
. . . 11			. . . . . . . . . .	196514	. . GASKET,INDUCTOR MOUNTING	. . . 1
. . . 12			. . . . . . . . . .	196512	. . BRACKET,INDUCTOR MOUNTING	. . . 1
. . . 13			. . . . . . . . . .	198634	. . BRACKET,FRONT HEATSINK MTG	. . . 1
. . . 14			. . . . . . . . . .	083147	. . GROMMET,SCR NO 8/10 PANEL HOLE .312 SQ .500 HIGH	. . . 1
. . . 15			. . . . . . . . . .	136343	. . SCREW,K50X 20 PAN HD−PHL	. . . 2
. . . 16			. . . . . . . . . .	170647	. . BUSHING,SNAP−IN NYL 1.312 ID X 1.500 MTG HOLE	. . . 1

To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested Replacement Parts. Model and serial number required when ordering parts from your local distributor.

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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