WARNING

This product, when used for welding or cutting, produces fumes or gases which contain chemicals known to the State of California to cause birth defects and, in some cases, cancer. (California Health & Safety Code Section 25249.5 et seq.)

The following term is used interchangeably throughout this manual:

MIG = GMAW

TABLE OF CONTENTS

SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING

1

1-1.

Symbol Usage

1

1-2.

Arc Welding Hazards

1

1-3. Additional Symbols For Installation, Operation, And Maintenance

3

1-4.

Principal Safety Standards

4

1-5.

EMF Information

4

SECTION 1 − CONSIGNES DE SÉCURITÉ − À LIRE AVANT UTILISATION

5

1-1.

Signification des symboles

5

1-2. Dangers relatifs au soudage à l’arc

5

1-3.

Autres symboles relatifs à l’installation, au fonctionnement et à l’entretien de l’appareil

7

1-4.

Principales normes de sécurité

8

1-5.

Information sur les champs électromagnétiques

8

SECTION 2 − INSTALLATION

9

2-1.

Specifications

9

2-2. Duty Cycle And Overheating

9

2-3.

Volt-Ampere Curves

10

2-4.

Dimensions And Weights

11

2-5.

Selecting A Location

12

2-6.

Typical MIG Process Connections Using A Constant Speed Wire Feeder

12

2-7. Typical MIG Process Connections Using A Voltage-Sensing Wire Feeder

13

2-8.

Slope Selection (250 Ampere Model)

14

2-9.

Inductance Selection (300 Ampere Models)

15

2-10.

Weld Output Terminals And Selecting Cable Sizes

16

2-11.

Remote 14 Receptacle Information

16

2-12.

Connecting To 115 Volts AC Duplex Receptacle

17

2-13.

Electrical Service Guide

17

2-14.

Placing Jumper Links

18

2-15.

Connecting Input Power

19

SECTION 3

− OPERATION

20

3-1.

Controls

20

SECTION 4 − MAINTENANCE & TROUBLESHOOTING

20

4-1.

Routine Maintenance

20

4-2.

Overload Protection

21

4-3.

Troubleshooting

22

SECTION 5

− ELECTRICAL DIAGRAMS

23

SECTION 6 − PARTS LIST

26

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Miller Electric CP-302, CP-252TS manual Table of Contents
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CP-302, CP-252TS specifications

The Miller Electric CP-252TS and CP-302 are advanced power sources designed to meet the demands of both the industrial and manufacturing sectors. Known for their reliability and performance, these models are ideal for a variety of welding applications, including MIG, TIG, and stick welding.

One of the main features of the CP-252TS is its superior arc stability, which is essential for achieving high-quality welds. This model integrates Miller's Auto-Set technology, enabling users to easily configure their welding parameters for optimal performance. By simply selecting the material type and thickness, the machine automatically adjusts voltage and wire feed speed, streamlining the setup process and significantly reducing the likelihood of user error.

In contrast, the CP-302 model emphasizes versatility and connectivity, offering multiple welding processes in one machine. It is equipped with a robust wire feeder that can handle various wire diameters, making it suitable for both thin sheet metal and thicker materials. The CP-302 also features Miller’s advanced inverter technology, ensuring high energy efficiency and reducing power consumption. This makes it an environmentally friendly option without compromising on performance.

Both models come equipped with a user-friendly interface, allowing operators to monitor and adjust settings with ease. The clear LCD display provides critical information at a glance, improving workflow and efficiency in high-demand environments. Additionally, these machines are designed with durability in mind, featuring rugged construction that withstands the rigors of daily use in challenging industrial conditions.

Safety is a priority with the Miller Electric CP-252TS and CP-302. They include advanced protection features that prevent overheating and electrical overloading, ensuring both equipment longevity and operator safety. Furthermore, Miller's commitment to compliance with industry standards means these machines offer peace of mind in terms of regulatory adherence.

In summary, the Miller Electric CP-252TS and CP-302 are exceptional choices for professionals looking for reliable, efficient, and versatile welding solutions. Their combination of advanced technology, user-friendly design, and robust safety features make them indispensable tools in any welding operation. Whether for fabrication, maintenance, or production, these power sources deliver the performance and efficiency required to keep pace with modern industrial demands.
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