Miller Electric 456P 3-9. Connecting Input Power

OM-185 648 Page 18

3-9. Connecting Input Power

ssb2.4* 1/94 – ST-801 718 / ST-801 946

Tools Needed:

5/16 in

Input Fil t e r

Board

=GND/PE

YAlways connect

grounding conductor

first.

YTurn Off welding power source, and

check voltage on input capacitors a c -

cording to Section 5-3 before

proceeding.

Check input voltage available at site.

Remove left side panel.

1 Input And Grounding Conductors

See Section 3-8.

Install ring terminals of proper size onto input

conductors for connection to input filter

board terminals (see illustration).

2 Line Disconnect Device

Select type and size of overcurrent protec-

tion using Section 3-8. Connect input and

grounding conductors to a deenergized line

disconnect device.

Reinstall left side panel.

Contents

Main Invision 456P From Miller to You TABLE OF CONTENTS WARNING Declaration of Conformity For European Community (CE) Products Appleton, WI 54914 USA SECTION 1 SAFETY PRECAUTIONS - READ BEFORE USING 1-1. Symbol Usage . 1-2. Arc Welding Hazards ELECTRIC SHOCK can kill. ARC RAYS can burn eyes and skin. WELDING can cause fire or explosion. FLYING METAL can injure eyes. BUILDUP OF GAS can injure or kill. HOT PARTS can cause severe burns. 1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. FALLING UNIT can cause injury. OVERUSE can cause OVERHEATING STA TIC (ESD) can damage PC boards. 1-5. EMF Information OM-185 648 Page 5 SECTION 1 CONSIGNES DE SECURITE LIRE AVANT UTILISATION 1-1. Signification des symboles . 1-2. Dangers relatifs au soudage larc UN CHOC LECTRIQUE peut tuer. LES RAYONS DE LARC peuvent pro- voquer des brlures dans les yeux et sur la peau. LE SOUDAGE peut provoquer un incendie ou une explosion. DES PARTICULES VOLANTES peuvent blesser les yeux. LES ACCUMULATIONS DE GAZ ris- quent de provoquer des blessures ou mme la mort. DES PICES CHAUDES peuvent pro- voquer des brlures graves. 1-3. Dangers supplmentaires en relation avec linstallation, le fonctionnement et la maintenance 1-4. Principales normes de scurit 1-5. Information sur les champs lectromagntiques SECTION 2 DEFINITIONS 2-1. Manufacturers Warning Label Definitions = <60 A Amperage Positive Remote V SECTION 3 INSTALLATION 3-1. Specifications 3-2. Duty Cycle And Overheating A/V Page 3-4. Selecting A Location 3-5. Weld Output Terminals And Selecting Cable Sizes 3-6. Remote 14 Receptacle Information A/V 3-7. 115 Volts AC Duplex Receptacle 3-8. Electrical Service Guide 3-9. Connecting Input Power SECTION 4 OPERATION 4-1. Front Panel Controls . 4-2. Mode And Voltage Control NOTE SECTION 5 MAINTENANCE & TROUBLESHOOTING 5-1. Routine Maintenance . 3 Months 6 Months 5-3. Removing Case and Measuring Input Capacitor Voltage 5-4. Voltmeter/Ammeter Help Displays . HE.L P1 HE.L P2 HE.L P3 HE.L P4 HE.L P8 HE.L P5 HE.L P6 5-5. Troubleshooting Trouble Remedy Page Page Page SECTION 7 PARTS LIST . Figure 7-1. Complete Assembly Page Page Warranty Questions? Call 1-800-4-A-MILLER for your local Miller distributor. Effective January 1, 2000 (Equipment with a serial number preface of LA or newer) Please complete and retain with your personal records. For Service Always provide Model Name and Serial/Style Number. Owners Record