TABLE OF CONTENTS

Section No.

Page No.

SECTION 1 – SAFETY PRECAUTIONS AND SIGNAL WORDS

 

1-1. General Information And Safety

1

1-2. Safety Alert Symbol And Signal Words

1

SECTION 2 – SPECIFICATIONS

 

2-1.

Volt-Ampere Curves

3

2-2.

Description

3

SECTION 3 – INSTALLATION OR RELOCATION

 

3-1.

CV-2 Installation

3

3-2. Remote-5 Receptacle Information And Connections

8

3-3.

Remote-14 Receptacle Information And Connections

8

SECTION 4 – OPERATOR CONTROLS

4-1. Constant Voltage (CV)/Constant Current (CC) Switch . . . . . . . . . . . . . 12

4-2. Current Control Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4-3. Output/Contactor Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4-4. AC/DC Selector Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4-5. Circuit Breaker For Control Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

SECTION 5 – SEQUENCE OF OPERATION

5-1. Gas Metal Arc (GMAW) And Flux Cored Arc Welding (FCAW) . . . . . 14

5-2. Shielded Metal Arc Welding (SMAW) . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5-3. Gas Tungsten Arc Welding (GTAW) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5-4. Shutting Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

SECTION 6 – MAINTENANCE & TROUBLESHOOTING

6-1.

Routine Maintenance

17

6-2.

Resetting Circuit Breakers

17

6-3. Circuit Board PC3 Or PC4 Replacement Procedure

17

6-4.

Tungsten Electrode

18

6-5.

Troubleshooting

20

SECTION 7 – ELECTRICAL DIAGRAM

 

Diagram 7-1. Circuit Diagram For CV-2

22

Diagram 7-2. Wiring Diagram

22

SECTION 8 – PARTS LIST

 

Figure 8-1. Main Assembly

24

 

LIST OF CHARTS AND TABLES

 

Table 2-1. Specifications

1

Chart 2-1. DC Volt-Ampere Curves (CV Mode)

2

Chart 2-2. AC Volt-Ampere Curves (Single-Phase, CC Mode)

2

Table 6-1. Maintenance Schedule

17

Table 6-2. Tungsten Electrode Size

19

Table 6-3. Troubleshooting

21

OM-880B – 7/93

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Miller Electric CV-2 owner manual Table of Contents