Miller Electric 812, 652 manual Connecting Input Power, = GND/PE Earth Ground

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

4-18. Connecting Input Power

 

 

3

 

 

9

 

= GND/PE Earth Ground

 

 

 

 

 

8

 

 

 

11

 

 

 

10

 

 

 

 

2

4

 

 

 

7

 

 

 

 

 

1

 

 

 

IMPORTANT

 

 

6

3

 

 

Input Contactor

 

 

L1 (U)

 

 

7

L2 (V)

 

4

 

L3 (W)

 

 

 

 

5

4

 

 

 

3

 

 

 

 

 

 

= GND/ PE Earth Ground

! Installation must meet all National and Local Codes − have only quali- fied persons make this installation.

! Disconnect and lockout/tagout input power before connecting input con- ductors from unit.

! Make input power connections to the welding power source first.

! Always connect green or green/yel- low conductor to supply grounding terminal first, and never to a line ter- minal.

See rating label on unit and check input volt- age available at site.

1Input Power Conductors (Customer Supplied Cord)

Select size and length of conductors using Section 4-16. Conductors must comply with national, state, and local electrical codes. If applicable, use lugs of proper amperage capacity and correct hole size.

Welding Power Source Input Power Con- nections

2 Strain Relief

Route conductors (cord) through strain relief and tighten screws.

3Machine Grounding Terminal

4Green Or Green/Yellow Grounding Conductor

5Reed Switch (Ground Current Sensor) (Optional)

Connect green or green/yellow grounding conductor to welding power source ground- ing terminal first. If unit is equipped with op- tional ground current sensor, route ground- ing conductor through reed switch two times and connect to grounding terminal.

6Welding Power Source Line Terminals

7Input Conductors L1 (U), L2 (V) And L3 (W)

Connect input conductors L1 (U), L2 (V) and L3 (W) to welding power source line termi- nals.

Close and secure access door on welding power source.

Tools Needed: 3/8 in

3/8 in

Disconnect Device Input Power Connec- tions

8Disconnect Device (switch shown in OFF position)

9Disconnect Device (Supply) Grounding Terminal

Connect green or green/yellow grounding conductor to disconnect device grounding terminal first.

10 Disconnect Device Line Terminals

Connect input conductors L1 (U), L2 (V) And L3 (W) to disconnect device line terminals.

11 Over-Current Protection

Select type and size of over-current protec- tion using Section 4-16(fused disconnect switch shown).

Close and secure door on line disconnect device. Remove lockout/tagout device, and place switch in the On position.

800 103-C / Ref. 801 116-A

OM-278 Page 21

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Contents File Multi-Process ProcessesDescription From Miller to You Table of Contents Decstat6/05 DirectivesStandards Arc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can cause severe burnsARC Rays can burn eyes and skin Fumes and Gases can be hazardousWelding can cause fire or explosion Flying Metal or Dirt can injure eyesFire or Explosion hazard Welding Wire can cause injuryFalling Unit can cause injury Moving Parts can cause injuryCalifornia Proposition 65 Warnings Principal Safety StandardsEMF Information About Implanted Medical DevicesUNE Décharge Électrique peut entraîner la mort Symboles utilisésLE Soudage peut provoquer un in cendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures gravesLES Fumées ET LES GAZ peuvent être dangereux LES Bouteilles peuvent exploser si elles sont endommagées LE Bruit peut endommager l’ouïeRisque D’INCENDIE OU D’EXPLO- Sion LA Chute DE L’APPAREIL peut blesserLE Soudage À L’ARC risque de provoquer des interférences Proposition californienne 65 AvertissementsLES Fils DE Soudage peuvent provoquer des blessures En ce qui concerne les implants médicaux Principales normes de sécuritéInformation EMF OM-278 − Definitions General Precautionary LabelInput Connection Label Nameplate Safety SymbolsElectric Shock And Airflow Label ? aWeee Label For Products Sold Within The EU Manufacturer’s Rating Label For CE ProductsSpecifications − InstallationSymbols And Definitions Duty Cycle And Overheating CC Mode CV ModeVolt-Ampere Curves 100% Duty Cycle460 mm OM-278 Selecting a LocationMovement Location And Airflow Dimensions Dimensions And WeightsWeight Holes FrontWeld Output Terminals TippingVAC Receptacle And Supplementary Protectors Selecting Cable Sizes Connecting Weld Output CablesGas Flowmeter Regulator Mig Gmaw Cable ConnectionsRear Wire Feeder Turn Off power before making connectionsMig Gmaw And Flux Cored Fcaw Cable Connections Fcaw GaslessTIG Gtaw Cable Connections To remote On/Off switchRemote 14 Receptacle RC8 Information InformationElectrical Service Guide Connecting Remote ControlTools Needed Do not overtighten Jumper link nuts Placing Jumper LinksWelding Power Source Input Power Con- nections Connecting Input PowerDisconnect Device Input Power Connec- tions = GND/PE Earth GroundControls Non CE Models − OperationControls CE Models Routine Maintenance − Maintenance & TroubleshootingFuse F1 Short Circuit ShutdownTrouble Remedy TroubleshootingCircuit Diagram − Electrical Diagram218 514-B Recommended Spare Parts − Parts ListRecommended Spare Parts Page Page Support ServiceYour distributor also gives Miller Electric Mfg. Co To locate a Distributor or Service Agency visitFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s
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