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IM609-B
May, 2001
Square Wave TIG 275
For use with machines having Code Numbers: 10523,
10524,
10525,
10605,
10738
Safety Depends on You
Lincoln arc welding and cutting
equipment 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
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i i SAFETY WARNING CALIFORNIA PROPOSITION 65 WARNINGS For Diesel Engines: Diesel engine exhaust and For Gasoline Engines: The engine exhaust from some of its constituents are known to the State this product contains chemicals known to the of California to cause cancer, birth defects, and State of California to cause cancer, birth defects, other reproductive harm. or other reproductive harm. ARC WELDING CAN BE HAZARDOUS. PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH. KEEP CHIL
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ii ii SAFETY ELECTRIC SHOCK can kill. ARC RAYS can burn. 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” parts with your bare the rays of the arc when welding or observing skin or wet clothing. Wear dry, hole-free open arc welding. Headshield and filter lens gloves to insulate hands. should conform to ANSI Z87. I standards. 3.b. In
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iii iii SAFETY WELDING SPARKS can CYLINDER may explode cause fire or explosion. if damaged. 6.a. Remove fire hazards from the welding area. 7.a.Use only compressed gas cylinders If this is not possible, cover them to prevent containing the correct shielding gas for the the welding sparks from starting a fire. process used and properly operating Remember that welding sparks and hot regulators designed for the gas and materials from welding can easily go through small cracks pressure used. All hos
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iv iv SAFETY PRÉCAUTIONS DE SÛRETÉ 6. Eloigner les matériaux inflammables ou les recouvrir afin de prévenir tout risque d’incendie dû aux étincelles. Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce 7. Quand on ne soude pas, poser la pince à une endroit isolé de manuel aussi bien que les précautions de sûreté générales suiv- la masse. Un court-circuit accidental peut provoquer un antes: échauffement et un risqu
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v v for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product ��� Thank You as much pride as we have in bringing this product to you! Please Examine Carton and Equipment For Damage Immediately When this equipment is shipped, title passes to the purchaser upon receipt by the carrier. Consequently, Claims for material damaged in shipment must be made by the purchaser against the transportation company at the time the shipment
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vi vi TABLE OF CONTENTS Page Installation .......................................................................................................Section A Technical Specifications.................................................................................A-1, A-2 Select Suitable Location........................................................................................A-3 Stacking...........................................................................................................
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A-1 A-1 INSTALLATION TECHNICAL SPECIFICATIONS - Square Wave TIG 275 (K1617-1, and -2) INPUT - SINGLE PHASE ONLY Standard Input Current at Input Current at Input Current at Idle Idle Power Code 40% Duty Cycle 60% Duty Cycle 100% Duty Cycle Current Power Voltage Number DC STICK, DC STICK, DC STICK, DC TIG, UNBALANCED AC TIG DC TIG, UNBALANCED AC TIG DC TIG, UNBALANCED AC TIG BALANCED AC TIG BALANCED AC TIG BALANCED AC TIG 208/230/460/1/60 (K1617-1) 95/86/43 130/120/61 76/69/34 106/97/50 57/
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A-2 A-2 INSTALLATION TECHNICAL SPECIFICATIONS - Square Wave TIG 275 (K1618-1) INPUT - SINGLE PHASE ONLY Input Current at Input Current at Input Current at Idle Current Idle Power Code Standard Number 40% Duty Cycle 60% Duty Cycle 100% Duty Cycle Voltage DC STICK, DC STICK, DC STICK, DC TIG, UNBALANCED AC TIG DC TIG, UNBALANCED AC TIG DC TIG, UNBALANCED AC TIG 220/380/415/1/50/60 BALANCED AC TIG BALANCED AC TIG BALANCED AC TIG 99/57/52 139/79/72 83/45/421 12/64/59 63/
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A-3 A-3 INSTALLATION Read entire installation section before starting ENVIRONMENTAL RATING installation. The Square Wave TIG 275 power source carries an Safety Precautions IP21 environmental rating. It may be used in normal industrial and commercial environments. It is rated for WARNING use in damp, dirty rain-sheltered environments. ELECTRIC SHOCK can kill. �Only qualified personnel should MACHINE GROUNDING AND HIGH FRE- perform this installation. QUENCY INTERFERENCE PROTECTION �Turn the in
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A-4 A-4 INSTALLATION 2. Keep the work and electrode leads as short as pos- SUPPLY CONNECTIONS sible and as close together as possible. Lengths should not exceed 25 ft (7.6m). Tape the leads Be sure the voltage, phase, and frequency of the input together when practical. power is as specified on the rating plate, located on the rear of the machine. 3. Be sure the torch and work cable rubber coverings are free of cuts and cracks that allow high frequen- See Figure A.1 for the location of the rat
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208V 230V A-5 A-5 INSTALLATION Fuse the input circuit with the recommended super lag 1 CAUTION fuses or delay type circuit breakers. Choose an input and grounding wire size according to local or national FAILURE TO FOLLOW THESE INSTRUCTIONS codes or refer to the Technical Specifications page at CAN CAUSE IMMEDIATE FAILURE OF COMPO- the beginning of this section. Using fuses or circuit NENTS WITHIN THE WELDER. breakers smaller than recommended may result in -------------------------
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460V 220V 380V A-6 A-6 INSTALLATION Figure A.3 Reconnect Panel Instructions for 460/575 Canadian Model SINGLE PHASE INPUT POWER SUPPLY CONNECTION INSTRUCTIONS: WARNING: Powered by high voltage which can kill. Turn off all input power at the disconnect switch or fuse box before making any connections. Use input and grounding lead sizes as specified in the operating manual. Failure to follow instructions below can cause immediate failure of components within the welder. 1. Connect the input
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A-7 A-7 INSTALLATION Designations on the reconnect panel LOW, MID, and TABLE A.2 HIGH correspond to the nameplated input voltages of Recommended Work and Stick Electrode a triple voltage welder. Dual voltage welders use only Components LOW and HIGH. Twist Mate Twist Mate Twist Mate Work Electrode Cable Plug Cable Plug Cable Plug Clamp Holder for Work for Work for Work EXAMPLE: On a 208/230/460 volt welder, LOW is Lead Lead Lead 208V, MID is 230V, and HIGH is 460V. (#2 to #1) (1/0 to 2/0) (2/
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A-8 A-8 INSTALLATION TIG TORCH CONNECTION WARNING CYLINDER could explode The Twist-Mate connection allows fast and reliable TIG if damaged. torch attachment to the electrode terminal of the Square Wave TIG 275 welding power supply. Twist- Mate TIG adapters are made of brass, combining high �Keep cylinder upright and chained electrical conductivity with mechanical strength. They to a support. are available in several sizes and styles to accommo- date a wide selection of gas and water-cooled T
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A-9 A-9 INSTALLATION TWIST-MATE ADAPTER FOR LA-9 TWIST-MATE ADAPTER FOR LW-18 and LA-17 TIG TORCH and LW-20 TIG TORCH The Twist-Mate connection allows fast and reliable TIG The Twist-Mate connection allows fast and reliable TIG torch connections to the electrode terminal of the torch connections to the electrode terminal of the Square Wave TIG 275. The Twist-Mate adapter, strain Square Wave TIG 275. The Twist-Mate adapter and relief boot and retaining compound needed to connect strain relief
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A-10 A-10 INSTALLATION 4. Hold the TIG adapter, with cables and hoses INSTALLATION OF FIELD INSTALLED installed, firmly in place by securing it into the Twist- OPTIONS Mate receptacle on the power source or into a padded vise. Apply a thin film of lubricant to the Installation instructions are included with the following boot’s lead in chamfer area. Also apply lubricant to accessories: the lead in chamfer and 2" diameter on the TIG adapter. Next align the strain relief boot keys with K559-2 M
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B-1 B-1 OPERATION SAFETY PRECAUTIONS Read and understand this entire section before operat- ing the machine. WARNING ELECTRIC SHOCK can kill. � Do not touch electrically live parts or electrode with skin or wet clothing. � Insulate yourself from work and ground. � Always wear dry insulating gloves. � Read and follow “Electric Shock Warnings” in the Safety section if welding must be per- formed under electrically hazardous condi- tions such as welding in wet areas or on or in the workpiece. FUMES
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B-2 B-2 OPERATION GRAPHIC SYMBOLS THAT APPEAR ON THIS MACHINE OR IN THIS MANUAL POWER SWITCH MODE SWITCH SYMBOL SYMBOL MEANING MEANING ON TIG 2-STEP OFF TIG 4-STEP INPUT POWER STICK OVER POST FLOW CONTROL AND TEMPERATURE DOWN SLOPE TIME CONTROL SYMBOL MEANING OUTPUT CONTROL POST FLOW TIME 2 SYMBOL MEANING CURRENT CONTROL A (OUTPUT) DOWN SLOPE TIME AC WAVE BALANCE CONTROL POLARITY SWITCH SYMBOL MEANING SYMBOL MEANING AC WAVE BALANCE & DC- POLARITY CLEAN (INCREASING & POSITIVE POLARITY) & DC+ POL
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B-3 B-3 OPERATION GRAPHIC SYMBOLS THAT APPEAR ON THIS MACHINE OR IN THIS MANUAL OPTIONAL WATER SOLENOID CONNECTIONS ADDITIONAL SYMBOLS SYMBOL MEANING SYMBOL MEANING WATER (COOLANT) REMOTE CONTROL INPUT WATER (COOLANT) DO NOT SWITCH OUTPUT WHILE WELDING WARNING PROTECTIVE GROUND TIG (GTAW) OUTPUT CONNECTIONS SYMBOL MEANING WORK SINGLE PHASE CONNECTION SINGLE PHASE ELECTRODE TRANSFORMER CONNECTION AC & DC RECTIFIER POWER SOURCE SQUARE WAVE TIG 275
