Lincoln Electric IDEALARC R3R-300 Operator's Manual
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Lincoln Electric IDEALARC R3R-300 Operator's Manual

Lincoln Electric IDEALARC R3R-300 Operator's Manual

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Date Purchased
Code:
(ex: 10859)
Serial:
(ex: U1060512345)
IM409-E
| Issue D ate 9-Nov
© Lincoln Global, Inc. All Rights Reserved.
R3R-300,-400,-500
®
For use with machines having Code Numbers:
9534; 9537; 9540; 9690; 9691; 9692;
9697; 9698; 9699; 9704; 9705; 9706;
9864; 9865; 9866; 9867; 9874; 9875;
9876; 9881; 9884; 9885; 9886; 9887;
10471; 10857; 10858; 10881; 10882;
11043; 11044; 11045; 11046; 11342;
11344

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Summary of Contents for Lincoln Electric IDEALARC R3R-300

  • Page 1 Operator’s Manual IDEALARC R3R-300,-400,-500 ® For use with machines having Code Numbers: 9534; 9537; 9540; 9690; 9691; 9692; 9697; 9698; 9699; 9704; 9705; 9706; 9864; 9865; 9866; 9867; 9874; 9875; 9876; 9881; 9884; 9885; 9886; 9887; 10471; 10857; 10858; 10881; 10882; 11043;...

  • Page 2: California Proposition 65 Warnings

    Miami, Florida 33135 or CSA Standard W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available from the Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199. BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE PERFORMED ONLY BY QUALIFIED INDIVIDUALS.

  • Page 3: Electric Shock Can Kill

    SAFETY ARC RAYS can burn. ELECTRIC SHOCK can kill. 3.a. The electrode and work (or ground) circuits 4.a. Use a shield with the proper filter and cover are electrically “hot” when the welder is on. plates to protect your eyes from sparks and Do not touch these “hot”...
  • Page 4 SAFETY WELDING and CUTTING CYLINDER may explode SPARKS can if damaged. cause fire or explosion. 7.a. Use only compressed cylinders 6.a. Remove fire hazards from the welding area. containing the correct shielding gas for the If this is not possible, cover them to prevent process used properly...
  • Page 5 SAFETY 6. Eloigner les matériaux inflammables ou les recouvrir afin de PRÉCAUTIONS DE SÛRETÉ prévenir tout risque dʼincendie dû aux étincelles. Pour votre propre protection lire et observer toutes les instructions et 7. Quand on ne soude pas, poser la pince à une endroit isolé de les précautions de sûreté...
  • Page 6 We respond to our customers based on the best information in our possession at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such information or advice.

  • Page 7: Table Of Contents

    TABLE OF CONTENTS Page ____________________________________________________________________________ Installation ............Section A Location and Stacking .

  • Page 8: Installation

    INSTALLATION LOCATION AND STACKING Dual or triple voltage (eg: 230/460, 220/380/440, etc.) models are shipped connected for highest voltage. To change the connection, see the wiring or connection WARNING diagram pasted to the inside of the access panel in the case back.

  • Page 9: Output Connections

    INSTALLATION TIG WELDING OUTPUT CONNECTIONS The R3R is shipped with proper R.F. By-pass circuitry OUTPUT STUDS installed to protect the control circuit when TIG welding with a Hi-Freq™ unit. To provide protection, the With the machine off, run electrode and work cables of welder frame grounding stud must be connected to the appropriate sizes (see the following table) up ground.
  • Page 10 OPERATION b. Provisions for remote control are standard on WARNING each power source. A current control switch on the machine control panel labeled “Current ELECTRIC SHOCK can kill. Control at R3R” or “Current Control Remote” is provided for selecting the desired mode of oper- •...
  • Page 11 OPERATION The solid state circuitry within the welder senses this change in probe setting and automatically resets the welding current to the new level. Each time the welder is turned off, the output goes to minimum and must be reset when the welder is turned on again. 115VAC DUPLEX RECEPTACLE AND CIRCUIT BREAKER (60 Hertz Models for Code Numbers 10857, 10858, 10881, 10882, 11043, 11044, 11045,...

  • Page 12: Maintenance

    MAINTENANCE WARNING ELECTRIC SHOCK can kill. • Have an electrician install and ser- vice this equipment. • Turn the input power off at the fuse box before working on equipment. • Do not touch electrically hot parts. GENERAL MAINTENANCE 1. The fan motor has sealed bearings which require no service.

  • Page 13: Troubleshooting

    HOW TO USE TROUBLESHOOTING GUIDE WARNING Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For your safety and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 14 TROUBLESHOOTING Observe all Safety Guidelines detailed througout this manual POSSIBLE PROBLEMS RECOMMENDED CAUSE (SYMPTOMS) COURSE OF ACTION FUNCTION PROBLEMS Input contactor chatters. 1.Faulty input contactor. 2.Low line voltage. Machine input contactor does not 1.Supply line fuse blown. operate. 2.Power circuit dead. 3.Broken or loose power lead.
  • Page 15 TROUBLESHOOTING Observe all Safety Guidelines detailed througout this manual POSSIBLE PROBLEMS RECOMMENDED CAUSE (SYMPTOMS) COURSE OF ACTION FUNCTION PROBLEMS Machine input contactor closes but 1. Electrode or work lead loose or has no or low output. Open circuit broken. voltage should be 67 to 71 volts. 2.
  • Page 16 TROUBLESHOOTING Observe all Safety Guidelines detailed througout this manual POSSIBLE PROBLEMS RECOMMENDED CAUSE (SYMPTOMS) COURSE OF ACTION FUNCTION PROBLEMS Machine does not have maximum 1. Input fuse blown. Machine is output (67 to 71 volts). single phased. 2. One phase of main transformer windings open.
  • Page 17 TROUBLESHOOTING Observe all Safety Guidelines detailed througout this manual POSSIBLE PROBLEMS RECOMMENDED CAUSE (SYMPTOMS) COURSE OF ACTION FUNCTION PROBLEMS Machine trips off when under no 1. Power bridge rectifier may have load or makes excessive noise like a shorted diode or SCR. it is loaded.
  • Page 18 TROUBLESHOOTING Observe all Safety Guidelines detailed througout this manual POSSIBLE PROBLEMS RECOMMENDED CAUSE (SYMPTOMS) COURSE OF ACTION FUNCTION PROBLEMS Current control on machine not 1. Current control switch in wrong functioning. position. 2. Current control switch defective. 3. Current control potentiometer defective.
  • Page 19 TROUBLESHOOTING IDEALARC® R3R, -300, -400, -500...

  • Page 20: Troubleshooting Procedures

    TROUBLESHOOTING TROUBLESHOOTING For example, if an arc gouging carbon or the electrode is allowed to touch – or almost touch – the work for a PROCEDURES couple of seconds or more, the overload protection P.C. Board automatically reduces the output to mini- PROCEDURE FOR REPLACING P.C.
  • Page 21 TROUBLESHOOTING No reading will indicate an open rheostat and a low reading will indicate a shorted or partially shorted rheo- 1. Wiring harness gate leads (G1, G2, G3) from stat; in either case, replace. gate lead connector J4 on control P.C. Board TOGGLE SWITCH CHECK 2.
  • Page 22 D-10 D-10 TROUBLESHOOTING DIAGRAM 1 DIAGRAM 2 BATTERY TEST 4. With switch SW #1 closed, close switch SW #2 for Check the batteries by shorting leads (A) and (C), then two seconds and release. The voltmeter should close switch SW-1. Replace batteries if voltage is less read 2 to 2.5 volts before and after switch SW #2 is than 3 volts.
  • Page 23 WIRING DIAGRAMS IDEALARC R3R-400, 500-I, 500 & 600-I WIRING DIAGRAM (Codes 9874, 9876, 9878, 9879, 9880,9884 9884, 9886, 9888, 9889, 9890, 9891, 10052, 10053, 10285, 10286, 10288, 11341, 11342 & 11344) L9376 NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels.

  • Page 24: Wiring Diagrams

    WIRING DIAGRAMS IDEALARC R3R WIRING DIAGRAM (230/460/575 V) (FOR CANADA ONLY) TO SUPPLY LINES RECONNECT PANEL SHOWN CONNECTED FOR 230V TO GROUND NATIONAL ELECTRICAL CODE TAPE UP SEPARATELY TO PROVIDE AT LEAST 600 VOLTS INSULATION TO PRIMARY COILS HIGH TEMP LIGHT CHOKE SECONDARY FAN MOTOR...
  • Page 25 WIRING DIAGRAMS IDEALARC R3R WIRING DIAGRAM (230/460/575V) (FOR CANADA ONLY CODES 10857, 10858, 10881, 10882) TO SUPPLY LINES RECONNECT PANEL SHOWN ( DASHED ITEMS ON WIRING CONNECTED FOR 230V DIAGRAM ARE OPTIONAL ) TO GROUND NATIONAL ELECTRICAL CODE TAPE UP SEPARATELY TO PROVIDE AT LEAST...
  • Page 26 WIRING DIAGRAMS IDEALARC R3R WIRING DIAGRAM (230/460/575V) (FOR CODES 11043, 11044, 11045, 11046) IDEALARC R3R WIRING DIAGRAM (230/460/575 V) TO SUPPLY LINES RECONNECT PANEL SHOWN ( DASHED ITEMS ON WIRING CONNECTED FOR 230V DIAGRAM ARE OPTIONAL ) TO GROUND NATIONAL ELECTRICAL CODE TAPE UP...
  • Page 27 WIRING DIAGRAMS Part No. Type M12244-7 32.00 15.39 3092 1.44 30.02±.11 33.07±.06 M12244-7 7-7-78 IDEALARC® R3R, -300, -400, -500...
  • Page 28 NOTES IDEALARC® R3R, -300, -400, -500...
  • Page 29 NOTES IDEALARC® R3R, -300, -400, -500...
  • Page 30 Do not touch electrically live parts or Keep flammable materials away. Wear eye, ear and body protection. WARNING electrode with skin or wet clothing. Insulate yourself from work and ground. Spanish AVISO DE No toque las partes o los electrodos Mantenga el material combustible Protéjase los ojos, los oídos y el bajo carga con la piel o ropa moja-...
  • Page 31 Keep your head out of fumes. Turn power off before servicing. Do not operate with panel open or WARNING Use ventilation or exhaust to remove guards off. fumes from breathing zone. Spanish Los humos fuera de la zona de res- AVISO DE Desconectar el cable de alimentación No operar con panel abierto o...
  • Page 32 Lincoln Electric for advice or information about their use of our products. We respond to our customers based on the best information in our possession at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such information or advice.

This manual is also suitable for:

Idealarc r3r-400Idealarc r3r-500

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