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. . . a n d t h o u g h t f u l o p e r a t i o n o n y o u r p a r t .
T h i s w e l d e r i s d e s i g n e d a n d b u i l t w i t h s a f e t y i n m i n d .
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S a f e t y D e p e n d s o n Y o u
d e s i g n s p e c i c a t i o n s b y L i n c o l n E l e c t r i c .
R E D - D - A R C E x t r e m e D u t y
D O N O T I N S T A L L , O P E R A T E O R R E P A I R T H I S E Q U I P M E N T
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R E D - D - A R C w e l d e r i s b u i l t t o
T h i s
T h e G l o b a l L e a d e r i n W e l d e r R e n t a l s
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F o r u s e w i t h m a c h i n e s h a v i n g C o d e N u m b e r s :
R e d - D - A r c S p e c - B u i l t W e l d i n g E q u i p m e n t
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O P E R A T O R ' S M A N U A L
F e b r u a r y , 2 0 1 1
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RED-D-ARC
For use with machines having Code Numbers:
OPERATOR'S MANUAL
Red-D-Arc Spec-Built Welding Equipment
This RED-D-ARC welder is built to RED-D-ARC Extreme Duty
design speci cations by Lincoln Electric.
Safety Depends on You
This welder is designed and built with safety in mind.
However, your overall safety can be increased by proper installation
... and thoughtful operation on your part.
DO NOT INSTALL, OPERATE OR REPAIR THIS EQUIPMENT
WITHOUT READING THIS MANUAL AND THE SAFETY
PRECAUTIONS CONTAINED THROUGHOUT.
And, most importantly, think before you act and be careful.
The Global Leader in Welder Rentals
ES 276i
13081
IM10599
February, 2021
(

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Summary of Contents for Lincoln Electric RED-D-ARC WELDERENTALS ES 276i

  • Page 1 OPERATOR’S MANUAL Red-D-Arc Spec-Built Welding Equipment This RED-D-ARC welder is built to RED-D-ARC Extreme Duty design speci cations by Lincoln Electric. Safety Depends on You This welder is designed and built with safety in mind. However, your overall safety can be increased by proper installation ...
  • Page 2 351040, 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 SAFETY ARC RAYS can burn. ELECTRIC SHOCK can 4.a. Use a shield with the proper filter and cover kill. plates to protect your eyes from sparks and 3.a. The electrode and work (or ground) circuits the rays of the arc when welding or observing are electrically “hot”...
  • Page 4 SAFETY WELDING and CUTTING CYLINDER may explode SPARKS can if damaged. cause fire or explosion. 7.a. Use only compressed gas 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 and properly operating the welding sparks from starting a fire.
  • Page 5 SAFETY 5. Toujours porter des lunettes de sécurité dans la zone de PRÉCAuTIONS DE SÛRETÉ soudage. Utiliser des lunettes avec écrans lateraux dans les zones où l’on pique le laitier. Pour votre propre protection lire et observer toutes les instruc- tions et les précautions de sûreté...
  • Page 6 for selecting one of our QUALITY products. We want you to take Thank You pride in operating this product ••• as much pride as we have in bringing this product to you! CUSTOMER ASSISTANCE POLICY The business of our company is manufacturing and selling high quality welding equipment. Our challenge is to meet the needs of our customers and to exceed their expectations.
  • Page 7: Table Of Contents

    TAbLE OF CONTENTS Page Installation........................Section A Technical Specifications .......................A-1 Safety Precautions.......................A-2 Suitable Location ........................A-2 Stacking ........................A-2 Tilting..........................A-2 High Frequency Protection....................A-2 Input Connections ........................A-2 Input Fuse and Supply Wire ..................A-2 Input Supply Connections .....................A-2 Power Input Connections ....................A-2 Input Voltage Reconnect Procedure ..................A-3 Output Connections......................A-3 Output Cables .......................A-3 ________________________________________________________________________________...
  • Page 8: Installation

    INSTALLATION Technical Specifications - ES 276i, K4868-3 INPUT AT RATED OUTPUT - THREE PHASE ONLY EFFICIENCY INPUT IDLE OUTPUT CURRENT @ RATED INPUT VOLTS-Hz POWER CONDITIONS AMPS OUTPUT 200A/28V/100% 27/25/13/11 *208/230/460/575 - 60Hz 250A/30V/60% 35/33/17/14 *275A/31V/35% */37/19/16 120W Max 190A/27.6V/100% 23/14/13/13/12 220/380/400/415/440 - 50Hz 26/16/16/13/13...
  • Page 9: Safety Precautions

    INSTALLATION TILTING Read this entire installation section before you Place the machine directly on a secure, level surface. start installation. The machine may topple over if this procedure is not SAFETY PRECAuTIONS followed. hIGh FREQuENCY PROTECTION WARNING Locate the ES 276i away from radio controlled ELECTRIC ShOCK can kill.
  • Page 10: Input Voltage Reconnect Procedure

    INSTALLATION INPuT VOLTAGE RECONNECT OuTPuT CONNECTIONS PROCEDuRE Refer to figure B.1 for the location of the 3-Pin Remote Receptacle and the Output Terminals. When received directly from the factory, units are con- nected for, 460 VAC. If 460 VAC is the desired input, OuTPuT CAbLES then the machine may be connected to the power sys- tem without any setup required inside the reconnect...
  • Page 11: Operation

    OPERATION Read and understand this entire section before GENERAL DESCRIPTION operating your machine. The ES 276i is a 275 amp arc welding power source SAFETY PRECAuTIONS that utilizes single or three phase input power, to pro- duce constant current output. The welding response WARNING of this Invertec has been optimized for stick (SMAW) and TIG (GTAW).
  • Page 12: Controls And Settings

    OPERATION CONTROLS AND SETTINGS All operator controls and adjustments are located on the case front of the ES 276i. Refer to Figure B.1 and corre-sponding explanations. FIGURE B.1 — CASE FRONT CONTROLS. OUTPUT 1. POWER SWITCH machine. Place in the “REMOTE” position to allow output Place the lever in the “ON”...
  • Page 13: Constant Current Processes

    OPERATION 8. ARC FORCE - This control functions in CC Note: The short circuit current is limited to 20 amps to Stick SMAW modes to adjust the Arc Force. The aid in touch starting. Panel output control arc is soft at the mini-mum settings and more becomes the current limit setting when in forceful or driving at the maximum settings.
  • Page 14: Fan

    OPERATION The cooling fan on the ES 276i operates once 15 amps of welding current is drawn and for 7 minutes after the output current has stopped flowing. The fan will also run anytime the machine has over heated. POWER-UP SEQUENCE At power up the thermal light turns on and the fans run for approximately 3 seconds.
  • Page 15: Maintenance

    MAINTENANCE 4. Obtain a high resistance and high wattage resistor WARNING (25-1000 ohms and 25 watts minimum). This resis- ELECTRIC ShOCK can kill. tor is not supplied with machine. NEVER USE A • Have an electrician install and service SHORTING STRAP FOR THIS PROCEDURE. this equipment.
  • Page 16: Routine Maintenance

    MAINTENANCE ROuTINE MAINTENANCE 1. Perform the following preventive maintenance pro- cedures at least once every six months. It is good practice to keep a preventive maintenance record; a record tag attached to the machine works best. 2. Remove the machine wrap-around cover and per- form the input filter capacitor discharge procedure (detail at the beginning of this chapter).
  • Page 17: Location Of Maintenance Components

    MAINTENANCE FIGuRE D.2 — LOCATION OF MAINTENANCE COMPONENTS. WRAP-AROUND CENTER ASSEMBLY COOLING FANS OUTPUT RECTIFIER ASSEMBLY CASE FRONT ASSEMBLY INPUT RECTIFIER CONTROL PC BOARD CASE BACK ASSEMBLY MAIN TRANSFORMER ASSEMBLY POWER SWITCH OUTPUT TERMINALS CHOKE ASSEMBLY SWITCH BOARD & HEAT SINK ASSEMBLY BASE ES 276i...
  • Page 18: Calibration Procedures

    MAINTENANCE DETERMINING CURRENT AND VOLTAGE CALIBRATION PROCEDURES OFFSETS TIPS FOR CALIBRATION • For the current offset take the reading from the calibrated shunt and subtract the reading from the TIPS FOR USING A LOAD BANK V276’s meter. • Set the load bank for 100A over the maximum •...
  • Page 19: Troubleshooting

    TROubLEShOOTING hOW TO uSE TROubLEShOOTING GuIDE WARNING Service and Repair should only be performed by 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 20: Pc Board Troubleshooting Procedures

    TROubLEShOOTING & REPAIR PC bOARD TROubLEShOOTING PROCEDuRES - Remove the P.C. Board from the static- WARNING shielding bag and place it directly into the ELECTRIC ShOCK can kill. equipment. Don’t set the P.C. Board on or have an electrician install near paper, plastic or cloth which could have and service this equip- a static charge.
  • Page 21 TROubLEShOOTING Observe all Safety Guidelines detailed throughout this manual PRObLEMS POSSIbLE RECOMMENDED (SYMPTOMS) CAuSE COuRSE OF ACTION OuTPuT PRObLEMS Major physical or electrical damage is observed when cover wrap-around is removed. The machine is dead - no output. 1. The input power switch must be in the ON position.
  • Page 22 TROubLEShOOTING Observe all Safety Guidelines detailed throughout this manual PRObLEMS POSSIbLE RECOMMENDED (SYMPTOMS) CAuSE COuRSE OF ACTION OuTPuT PRObLEMS Output turns on momentarily, then 1. Check the input voltages and switches off and repeats cycle. reconnection procedures. Make sure the input voltage is correct for the machine.
  • Page 23 TROubLEShOOTING Observe all Safety Guidelines detailed throughout this manual PRObLEMS POSSIbLE RECOMMENDED (SYMPTOMS) CAuSE COuRSE OF ACTION OuTPuT PRObLEMS No output - Main input fuses open, 1. Inspect input leads for possible indicating excessive current draw. shorts or grounds or mis-connec- tions.
  • Page 24 TROubLEShOOTING Observe all Safety Guidelines detailed throughout this manual PRObLEMS POSSIbLE RECOMMENDED (SYMPTOMS) CAuSE COuRSE OF ACTION OuTPuT PRObLEMS The machine will not produce more 1. This may be normal operation. If than 200 amps. the output current exceeds 300 amps, an electronic protection circuit will reduce the current to less than 200 amps.
  • Page 25 TROubLEShOOTING Observe all Safety Guidelines detailed throughout this manual PRObLEMS POSSIbLE RECOMMENDED (SYMPTOMS) CAuSE COuRSE OF ACTION WELDING PRObLEMS Poor welding, weld settings drift, or 1. Make sure the machine settings output power is low. are correct for the weld process being used.
  • Page 26 WIRING DIAGRAMS WIRING DIAGRAM- CODE: 1 ES 276i...
  • Page 27 DIAGRAMS ES 276i...
  • Page 28 NOTES ES 276i...
  • Page 29 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 No toque las partes o los electrodos Mantenga el material combustible Protéjase los ojos, los oídos y el •...
  • Page 30 Keep your head out of fumes. Turn power off before servicing. Do not operate with panel open or • • • WARNING Use ventilation or exhaust to guards off. • remove fumes from breathing zone. Spanish Los humos fuera de la zona de res- •...
  • Page 31 • World's Leader in Welding and Cutting Products • • Sales and Service through Subsidiaries and Distributors Worldwide • Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com...

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