Miller Electric CV-2 owner manual OWNER’S Manual

Page 1

July 1993

Form: OM-880B

Effective With Serial No. JJ490601

OWNER’S

MANUAL

CV-2 Control Option

Constant Voltage Control

For Big 30, 30A, 40, And 50 Diesels, And Big 40G Models

For SMAW, GMAW, FCAW, And GTAW Welding

100% Duty Cycle At Welding Generator Rated Load

Adapter And Extension Cords May Be Needed

Read and follow these instructions and all safety blocks carefully.

Have only trained and qualified persons install, operate, or service this unit.

Call your distributor if you do not understand the directions.

Give this manual to the operator.

For help, call your distributor

or: MILLER Electric Mfg. Co., P.O. Box 1079, Appleton, WI 54912 414-734-9821

cover 6/93 – ST-111 216-A

PRINTED IN USA

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Contents OWNER’S Manual From Miller to You Table of Contents Page Specifications Safety Precautions and Signal WordsGeneral Information and Safety Safety Alert Symbol and Signal WordsBIG 50 Diesel Models BIG 40 Diesel And BIG 40G ModelsCV-2 Installation Installation or RelocationDescription BIG 30 Diesel Cable Selector Switch S1 AC Connections OM-880 REMOTE-5 Final ProcedureREMOTE-5 Receptacle Information and Connections -6 REMOTE-14 Receptacle Information and Connections Figures 3-7 REMOTE-14Amphenol Electrode Cable Series Current CC Switch Figure Current Control Switch FigureOperator Controls Current Control RemoteElectrode POS NEG Output Contactor RemoteCircuit Breaker GAS Metal ARC Gmaw and Flux Cored ARC Welding Fcaw Sequence of OperationGAS Tungsten ARC Welding Gtaw Shielded Metal ARC Welding SmawShutting Down Maintenance & Troubleshooting Tungsten Electrode -2, And Figures 6-2 Excessive Pressure can break circuit boardFor AC or DC Electrode Positive Welding Fig- ure Thorium Alloyed Tungsten Red Band Green BandZirconium Alloyed Tungsten Brown Band Tungsten Preparation Trouble Probable Remedy TroubleshootingDiagram 7-2. Wiring Diagram For CV-2 Electrical DiagramParts List Main Assembly Dia Part Description Quantity Mkgs Call Miller for your local Miller distributor Miller Electric Mfg. Co Owner’s Record