Miller Electric 812, 652 manual Controls CE Models

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. A complete Parts List is available at www.MillerWelds.com

5-2. Controls (CE Models)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Ref. 184 936

1 Arc Force (Dig) Control

Control increases SMAW short-circuit amperage which allows the operator to use a very short arc length without sticking the electrode.

Set control at 0 for normal welding amperage and GTAW applications. Turn clockwise to increase short-circuit amperage.

2 Process Selector Switch

•GMAW Mode: For use with flux Cored (FCAW) or submerged arc (SAW) applica- tions.

•SMAW (Hot Start On) Mode: Hot Start is energized for Stick (SMAW). When Hot Start is energized, higher short circuit am- perage aids in arc starting. NOTE: use the Positive (+) High Inductance weld output terminal (see Section 4-9).

•SMAW (Hot Start Off) Mode: For use with TIG (GTAW), scratch start only, or sub- merged arc (SAW) applications. NOTE: for GTAW, use the Positive (+) High Induc-

tance weld output terminal (see Section 4-9).

3 Amperage/Voltage Adjustment Control

When Process Selector switch is in the SMAW/GTAW position, turn control clock- wise to increase amperage. Read amperage from outer scale of control. When Process Selector switch is in the GMAW position, turn control clockwise to increase voltage. Volt- meter value changes as control knob is turned. Control can be adjusted while welding.

4 Digital Meters

With Process Selector switch in the SMAW/ GTAW position, digital meters will read 0 (zero) with contactor off. Digital meters will display actual output voltage and amperage with contactor on.

With Process Selector switch in the GMAW position, voltmeter displays preset voltage with contactor off. Voltmeter and ammeter

display actual output voltage and amperage with contactor on.

5Power Switch With Indicator Light

6High Temperature Shutdown Light

7Remote Amperage/Voltage Control Switch

For front panel control, place switch in Panel position. For remote control, place switch in Remote position, and connect remote de- vice (see Section 4-15).

8 Output Switch (Contactor)

For front panel control of output, place switch in Panel position. For remote control of out- put, place switch in Remote position, and connect remote device (see

Section 4-15).

! Weld output studs are energized only when Output switch is in On position, or while welding.

! Turn Off power before connecting re- mote device.

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Contents Description ProcessesFile Multi-Process From Miller to You Table of Contents Standards DirectivesDecstat6/05 HOT Parts can cause severe burns Symbol UsageArc Welding Hazards Electric Shock can killFlying Metal or Dirt can injure eyes Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosionMoving Parts can cause injury Welding Wire can cause injuryFire or Explosion hazard Falling Unit can cause injuryAbout Implanted Medical Devices Principal Safety StandardsCalifornia Proposition 65 Warnings EMF InformationUNE Décharge Électrique peut entraîner la mort Symboles utilisésLES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures gravesLE Soudage peut provoquer un in cendie ou une explosion LA Chute DE L’APPAREIL peut blesser LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées Risque D’INCENDIE OU D’EXPLO- SionLES Fils DE Soudage peuvent provoquer des blessures Proposition californienne 65 AvertissementsLE Soudage À L’ARC risque de provoquer des interférences Information EMF Principales normes de sécuritéEn ce qui concerne les implants médicaux OM-278 − Definitions General Precautionary Label? a Nameplate Safety SymbolsInput Connection Label Electric Shock And Airflow LabelWeee Label For Products Sold Within The EU Manufacturer’s Rating Label For CE ProductsSymbols And Definitions − InstallationSpecifications 100% Duty Cycle CC Mode CV ModeDuty Cycle And Overheating Volt-Ampere CurvesMovement Location And Airflow Selecting a Location460 mm OM-278 Holes Front Dimensions And WeightsDimensions WeightVAC Receptacle And Supplementary Protectors TippingWeld Output Terminals Selecting Cable Sizes Connecting Weld Output CablesGas Flowmeter Regulator Mig Gmaw Cable ConnectionsFcaw Gasless Turn Off power before making connectionsRear Wire Feeder Mig Gmaw And Flux Cored Fcaw Cable ConnectionsInformation To remote On/Off switchTIG Gtaw Cable Connections Remote 14 Receptacle RC8 InformationElectrical Service Guide Connecting Remote ControlTools Needed Do not overtighten Jumper link nuts Placing Jumper Links= GND/PE Earth Ground Connecting Input PowerWelding Power Source Input Power Con- nections Disconnect Device Input Power Connec- tionsControls Non CE Models − OperationControls CE Models Short Circuit Shutdown − Maintenance & TroubleshootingRoutine Maintenance Fuse F1Trouble Remedy TroubleshootingCircuit Diagram − Electrical Diagram218 514-B Recommended Spare Parts − Parts ListRecommended Spare Parts Page Page Your distributor also gives ServiceSupport Your distributor and/or equipment manufacturer’s To locate a Distributor or Service Agency visitMiller Electric Mfg. Co For assistance in filing or settling claims, contact
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