Miller CP-302 Owner's Manual
  1. Manuals
  2. Brands
  3. Miller Manuals
  4. Welding System
  5. CP-302
  6. Owner's manual

Miller CP-302 Owner's Manual

Hide thumbs Also See for CP-302:
Table of Contents

Advertisement

Quick Links

For product information,
Owner's Manual translations,
and more, visit
www.MillerWelds.com
CP-302
OM-259
177743AA
2017−03
Processes
MIG (GMAW) Welding
Flux Cored (FCAW) Welding
Description
Arc Welding Power Source
File: MIG (GMAW)

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the CP-302 and is the answer not in the manual?

Questions and answers

Related Manuals for Miller CP-302

Summary of Contents for Miller CP-302

  • Page 1 OM-259 177743AA 2017−03 Processes MIG (GMAW) Welding Flux Cored (FCAW) Welding Description Arc Welding Power Source CP-302 For product information, File: MIG (GMAW) Owner’s Manual translations, and more, visit www.MillerWelds.com...
  • Page 2 We know you don’t have time to do it any other way. That’s why when Niels Miller first started building arc welders in 1929, he made sure his products offered long-lasting value and superior quality.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING ........1-1.

  • Page 5: Section 1 − Safety Precautions - Read Before Using

    SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som 2015−09 Protect yourself and others from injury — read, follow, and save these important safety precautions and operating instructions. 1-1. Symbol Usage DANGER! − Indicates a hazardous situation which, if Indicates special instructions.
  • Page 6 D Remove stick electrode from holder or cut off welding wire at FUMES AND GASES can be hazardous. contact tip when not in use. D Wear body protection made from durable, flame−resistant material Welding produces fumes and gases. Breathing (leather, heavy cotton, wool). Body protection includes oil-free these fumes and gases can be hazardous to your clothing such as leather gloves, heavy shirt, cuffless trousers, high health.

  • Page 7: Additional Symbols For Installation, Operation, And Maintenance

    1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. MOVING PARTS can injure. D Do not install or place unit on, over, or near D Keep away from moving parts such as fans. combustible surfaces. D Keep all doors, panels, covers, and guards D Do not install unit near flammables.

  • Page 8: California Proposition 65 Warnings

    1-4. California Proposition 65 Warnings Welding or cutting equipment produces fumes or gases This product contains chemicals, including lead, known to which contain chemicals known to the State of California to the state of California to cause cancer, birth defects, or other cause birth defects and, in some cases, cancer.

  • Page 9: Section 2 − Consignes De Sécurité − Lire Avant Utilisation

    SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION fre_som_2015−09 Pour écarter les risques de blessure pour vous−même et pour autrui — lire, appliquer et ranger en lieu sûr ces consignes relatives aux précautions de sécurité et au mode opératoire. 2-1.
  • Page 10 chauffement ou un incendie. Avant de commencer le soudage, vérifier LES PIÈCES CHAUDES peuvent et s’assurer que l’endroit ne présente pas de danger. provoquer des brûlures. D Déplacer toutes les substances inflammables à une distance de D Ne pas toucher à mains nues les parties chaudes. 10,7 m de l’arc de soudage.

  • Page 11: Dangers Supplémentaires En Relation Avec L'installation, Le Fonctionnement Et La Maintenance

    D Tenir les bouteilles éloignées des circuits de soudage ou autres LE BRUIT peut endommager l’ouïe. circuits électriques. D Ne jamais placer une torche de soudage sur une bouteille à gaz. Le bruit des processus et des équipements peut affecter l’ouïe. D Une électrode de soudage ne doit jamais entrer en contact avec D Porter des protections approuvées pour les une bouteille.

  • Page 12: Proposition Californienne 65 Avertissements

    RAYONNEMENT HAUTE LE SOUDAGE À L’ARC risque de FRÉQUENCE (H.F.) risque provoquer des interférences. provoquer des interférences. D L’énergie électromagnétique risque D Le rayonnement haute fréquence (H.F.) peut provoquer des interférences pour l’équipement provoquer des interférences avec les équi- électronique sensible tel que les ordinateurs et l’équipement commandé...

  • Page 13: Section 3 − Definitions

    A complete Parts List is available at www.MillerWelds.com SECTION 3 − DEFINITIONS 3-1. Additional Safety Symbols And Definitions Warning! Watch Out! There are possible hazards as shown by the symbols. Safe1 2012−05 Disconnect input plug or power before working on machine. Safe5 2012−05 GND/PE, Ground/Protective Earth Safe 114 2013−04...

  • Page 14: Section 4 − Specifications

    A complete Parts List is available at www.MillerWelds.com SECTION 4 − SPECIFICATIONS 4-1. Serial Number And Rating Label Location The serial number and rating information for this product is located on the front. Use rating label to determine input power requirements and/or rated output.

  • Page 15: Volt-Ampere Curves

    A complete Parts List is available at www.MillerWelds.com 4-5. Volt-Ampere Curves Volt-ampere curves show minimum and maximum voltage and amperage output capabilities of unit. Curves of other settings fall between curves shown. CP302 MAX CP302 MIN va_curve1 4/95 −SA-180 901-B 4-6.

  • Page 16: Section 5 − Installation

    A complete Parts List is available at www.MillerWelds.com SECTION 5 − INSTALLATION 5-1. Selecting A Location Movement Do not move or operate unit where it could tip. Special installation may be required where gasoline or Location And Airflow volatile liquids are present − see NEC Article 511 or CEC Section 20.

  • Page 17: Typical Mig Process Connections Using A Constant Speed Wire Feeder

    A complete Parts List is available at www.MillerWelds.com 5-2. Typical MIG Process Connections Using A Constant Speed Wire Feeder Weld current can damage electronic parts in vehicles. Disconnect both battery cables before welding on a vehicle. Place work clamp as 14-Pin Interconnecting Cord close to the weld as possible.

  • Page 18: Inductance Selection

    A complete Parts List is available at www.MillerWelds.com 5-3. Inductance Selection Disconnect and lockout/tag- out input power before re- moving side panel. Lockout/tagging procedures con- sist of padlocking line disconnect switch in open position, removing fuses from fuse box, or shutting off and red-tagging circuit breaker or other disconnecting device.

  • Page 19: Selecting Cable Sizes

    **Weld cable size (AWG) is based on either a 4 volts or less drop or a current density of at least 300 circular mils per ampere. ( ) = mm for metric use. ***For distances longer than those shown in this guide, call a factory applications rep. at 920-735-4505 (Miller) or 1-800-332-3281 (Hobart). Ref. S-0007-L 2015−02 5-5. Weld Output Terminals Turn off power before connecting to weld output terminals.

  • Page 20: Connecting Weld Output Cables

    A complete Parts List is available at www.MillerWelds.com 5-6. Connecting Weld Output Cables Tools Needed: 803 778-B 3/4 in. (19 mm) cable terminal and copper bar. Make Weld Cable Terminal Turn off power before connecting to sure that the surfaces of the weld cable weld output terminals.

  • Page 21: Connecting To 115 Volts Ac Duplex Receptacle

    A complete Parts List is available at www.MillerWelds.com 5-8. Connecting To 115 Volts AC Duplex Receptacle 115 V 15 A AC Receptacle Power is shared between RC9 and remote 14 receptacle RC8. Supplementary Protector CB1 Supplementary Protector CB2 CB1 protects 115 volts AC portion of RC8 and RC9 from overload.

  • Page 22: Placing Jumper Links

    A complete Parts List is available at www.MillerWelds.com 5-10. Placing Jumper Links Disconnect and lockout/ tagout input power before moving jumper links. Check input voltage available at site. Jumper Link Label Check label − only one is on unit. Jumper Link Move jumper links to match input voltage, and label on unit.
  • Page 23 A complete Parts List is available at www.MillerWelds.com Notes OM-259 Page 19...

  • Page 24: Connecting 3-Phase Input Power

    A complete Parts List is available at www.MillerWelds.com 5-11. Connecting 3-Phase Input Power = GND/PE Earth Ground IMPORTANT Tighten line terminal nuts to 65 in. lb +/- 5 in. lb. GND/ PE Connect Green Or Green/Yellow GND/PE Conductor First. Tools Needed: 3/8 in.
  • Page 25 A complete Parts List is available at www.MillerWelds.com 5-11. Connecting 3-Phase Input Power (Continued) national, state, and local electrical codes. If Close and secure access door on welding Installation must meet all National applicable, use lugs of proper amperage power source. and Local Codes −...

  • Page 26: Section 6 − Operation

    A complete Parts List is available at www.MillerWelds.com SECTION 6 − OPERATION 6-1. Controls Power Switch Pilot Light Light is on when power is On. Preset Indicator Light When light is on, the voltmeter displays preset welding voltage as selected by the Voltage Adjustment control.

  • Page 27: Overload Protection

    A complete Parts List is available at www.MillerWelds.com 7-2. Overload Protection Disconnect and lockout/tagout input power before removing side panel. Lockout/tagging procedures consist of padlocking line disconnect switch in open position, removing fuses from fuse box, or shutting off and red-tagging cir- cuit breaker or other disconnecting de- vice.

  • Page 28: Troubleshooting

    A complete Parts List is available at www.MillerWelds.com 7-3. Troubleshooting Trouble Remedy Completely inoperative; fan does not run. Place line disconnect switch in the On position (see Section 5-11). Check and replace open line fuse(s) (see Section 5-11). Check for proper jumper link positions (see Section 5-10). Check for proper input connections (see Section 5-11).

  • Page 29: Section 9 − Electrical Diagrams

    A complete Parts List is available at www.MillerWelds.com SECTION 9 − ELECTRICAL DIAGRAMS 276821-A Figure 9-1. Circuit Diagram OM-259 Page 25...
  • Page 30 Notes Work like a Pro! Pros weld and cut safely. Read the safety rules at the beginning of this manual.
  • Page 31 Effective January 1, 2017 (Equipment with a serial number preface of MH or newer) This limited warranty supersedes all previous Miller warranties and is exclusive with no other guarantees or warranties expressed or implied. Warranty Questions? LIMITED WARRANTY − Subject to the terms and conditions below, 6 Months —...
  • Page 32 Contact the Delivering Carrier to: File a claim for loss or damage during shipment. For assistance in filing or settling claims, contact your distributor and/or equipment manufacturer’s Transportation Department.  ORIGINAL INSTRUCTIONS − PRINTED IN USA 2017 Miller Electric Mfg. Co. 2017−01...

Table of Contents