Lincoln Electric Square Wave TIG 275 Скачать руководство пользователя страница 41

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F-3

WIRING DIAGRAM

F-3

SQUARE WAVE TIG 275

B 232

R 222

POSTFLOW CONTROL POTENTIOMETER 10K

PHASE SHIFT RESISTOR 200/100

(U)

(V)

255

254

RECONNECT PANEL

RECEPTACLE

SCR4

246

2 STEP TIG

BRASS

115VAC

251

TERMINAL

243

248

MAIN TRANSFORMER

HI-FREQ TRANSFORMER

(+)

HIGH VOLTAGE TRANSFORMER

SCR1

W 221

SCR2

VIEW OF CONNECTOR ON PC BOARD

ELECTRICAL SYMBOLS PER E1537.

276

C
E

J7A

TOROID

ARC STARTER AS'BLY

253

N.A. CONNECTION IS PIN TO PIN BETWEEN

248

236B

250

STICK

218

CAPACITORS (OPTIONAL)

211A

THERMOSTAT

W 221 (+)

218
G1
G2

B 242

STABILIZER

SCR1,2,3,4

TL1

OHMS/WATTS

COMPONENT VALUE

UNITS:

SV2

RESISTORS:

277

MFD/VOLTS

CAPACITORS:

CONTROL PC BOARD

THERMAL LIGHT

243

4 STEP TIG

POLARITY

261

THERMOSTAT

SECONDARY

CHOKE

NEG

23VAC

115VAC

PC BOARD

18VAC

10-16-98

W 201

R 210

W 209

232A

N.B. ROBOTIC INTERFACE CONNECTION.

10K A-B

H2 (460V)

HI-FREQ PROTECTION CAPACITORS, .22/400

(REAR VIEW, SHOWN

C1,C2

DOWNSLOPE CONTROL POTENTIOMETER 100K

RESISTOR 7.5/100

RESISTOR 1/25

INPUT POWER SWITCH

EXAMPLE: THIS IS PIN 7

POLARITY SWITCH

0F CONNECTOR J5

MICROSWITCH ON POLARITY SWITCH

3 WAY MODE SWITCH

MAIN SCRs

GAS SOLENOID, 115VAC

LATCH

CURRENT CONTROL

N.C. NOT PRESENT ON EARLIER PC BOARDS.

SV1

AMPTROL

W
R

B
W

MICRO-SWITCH

CLOSED

OPEN

277

J20

276

J21

277A

LOW

314

216
G4

217

POS

FRONT GANG

BALANCE CONTROL

LEAD COLORING CODE:

B-BLACK

2
1

L3,L4

78VAC

W 204

A-C, D-E, B-F

B-D, C-E, A-F, G-H

DC+

211

REAR GANG

DC-

115VAC

S2A

TL1

G-GREEN

O-ORANGE

R-RED

CONNECTOR PIN NUMBERS:

277B

245

DISPLAY

254

255

AT MINIMUM

U-BLUE

Y-YELLOW

W-WHITE

OUTPUT INDUCTOR (CHOKE)

POWER FACTOR CAPACITORS, 50/460

C3,C4

PC BOARD

GAP

SPARK

REMOTE

260

HIGH

L10747-2

WATER SOLENOID, OPTIONAL, 115VAC

2
1

THERMAL LIGHT, LED

316

(U)

POWER FACTOR

R 222 (-)

ELECTRICAL CODE

POWER SWITCH

NATIONAL

TO GROUND PER

CONNECT A TO LOW (H2)

CONNECT A TO HIGH (H4)

575 VOLT CONNECTION (AS SHOWN)

TIG

247

312

NEG

275C

S2A

POLARITY SWITCH MICRO SWITCH

HI-FREQ INDUCTORS

CURRENT CONTROL POTENTIOMETER 10K

BALANCE CONTROL POTENTIOMETER 10K

231B

232B

H4 (575V)

211

B 231

460 VOLT CONNECTION

SWITCH

SCR3

WORK

BYPASS/

216

315

J4 AND J20 (i.e. PIN 1 TO PIN 1).

238

236

WATER VALVE (OPTIONAL)

234A

235A

FAN

GAS VALVE

ELECTRODE

PULSER

237

OPTIONAL

MODE SWITCH

312

275B

275C

N.B.

TOROID

THERMOSTAT

PRIMARY

253

252

236A

245

SV2

242

DOWNSLOPE CONTROL

POSTFLOW CONTROL

POS

B-D, A-E, C-F, G-H

IN AC POSITION)

HOLDING RESISTOR 50/225

C7,C8

275

249

246

312

(V)

MID

X10

18VAC

212

232C

WIRING DIAGRAM - SQUARE WAVE TIG 275 (460/575/1/60)

CIRCUIT BREAKER, 10 AMP

275A

252

275

251

247

(-)

277C

220

220A

BY-PASS CAPACITORS, .0047/3kV

HIGH VOLTAGE CAPACITOR, .0015/12kV

PHASE SHIFT CAPACITOR 15uF/250VAC

FREE WHEELING DIODE

DIODE

HI-FREQ PROTECTION CHOKE (TOROID)

313

270

220
217
G3

211B

232

REMOTE

TOROID

209
210

235

231
238
234
232A
204

211A

236
212
201

220A

N.A.

N.C.

Содержание Square Wave TIG 275

Страница 1: ...WITHOUT READING THIS MANUAL AND THE SAFETY PRECAUTIONS CONTAINED THROUGHOUT And most importantly think before you act and be careful For use with machines having Code Numbers 10523 10524 10525 10605 1...

Страница 2: ...Y PACEMAKER WEARERS SHOULD CONSULT WITH THEIR DOCTOR BEFORE OPERATING Read and understand the following safety highlights For additional safety information it is strongly recommended that you pur chas...

Страница 3: ...ical earth ground 3 f Maintain the electrode holder work clamp welding cable and welding machine in good safe operating condition Replace damaged insulation 3 g Never dip the electrode in water for co...

Страница 4: ...vent the welding sparks from starting a fire Remember that welding sparks and hot materials from welding can easily go through small cracks and openings to adjacent areas Avoid welding near hydraulic...

Страница 5: ...pri s et non inflammables 4 Des gouttes de laitier en fusion sont mises de l arc de soudage Se prot ger avec des v tements de protection libres de l huile tels que les gants en cuir chemise paisse pan...

Страница 6: ...e information must be followed to avoid minor personal injury or damage to this equipment CAUTION Please Examine Carton and Equipment For Damage Immediately When this equipment is shipped title passes...

Страница 7: ...Section B Safety Precautions B 1 Graphic Symbol Definitions B 2 General Description B 4 Recommended Processes and Equipment B 4 Design Features and Advantages B 4 Limitations B 5 Duty Cycle and Time P...

Страница 8: ...Hook add 3 57 91 mm Power Source 33 40 in 27 65 in 40 65 in Approx 375 lbs on 848 mm 702 mm 1033 mm 170 kg Undercarriage PHYSICAL DIMENSIONS Fuse Super Lag or Breaker Size 1 150 150 70 60 1 Also calle...

Страница 9: ...19 15 in 28 00 in Approx 340 lbs Source 611 mm 486 mm 711 mm 154 kg Lift Hook add 3 57 91 mm Power Source 33 40 in 27 65 in 40 65 in Approx 385 lbs on 848 mm 702 mm 1033 mm 175 kg Undercarriage PHYSI...

Страница 10: ...Wave TIG 275 power source carries an IP21 environmental rating It may be used in normal industrial and commercial environments It is rated for use in damp dirty rain sheltered environments MACHINE GRO...

Страница 11: ...not suitable 8 When the welder is enclosed in a metal building the metal building should be connected to several good earth driven electrical grounds as in 5 b above around the periphery of the buildi...

Страница 12: ...nding to the input voltage used Refer to the figure representing the model being reconnect ed Figure A 2 208 230 460 1 60 Domestic Model Figure A 3 460 575 1 60 Domestic Canadian Model Figure A 4 220...

Страница 13: ...GH INPUT PHASE SINGLE 1 460 575 CANADIAN MODEL Figure A 3 Reconnect Panel Instructions for 460 575 Canadian Model 415V 380V 220V 1 Connect the input power leads to the input terminals L1 U and L2 V at...

Страница 14: ...e Table A 1 and A 2 for rec ommended sizes and corresponding hardware Assemble the correct Twist Mate adapter plug to the work cable as follows 1 Skin the cable jacket to 1 00 in 25 4 mm for a 2 thru...

Страница 15: ...e system Otherwise flow passages could become obstructed or clogged causing torch overheating or failure The optional water solenoid valve may also malfunction When the water solenoid valve option is...

Страница 16: ...ections to the electrode terminal of the Square Wave TIG 275 The Twist Mate adapter and strain relief boot needed to connect an LW 18 or LW 20 torch or any equivalent water cooled TIG torch with the f...

Страница 17: ...rec ommended sizes and corresponding hardware Assemble the correct Twist Mate adapter plug to the stick electrode cable as detailed in Work Cable Connection DO NOT CONNECT A TIG TORCH AND STICK ELECT...

Страница 18: ...tions such as welding in wet areas or on or in the workpiece FUMES AND GASES can be dangerous Keep your head out of fumes Use ventilation or exhaust to remove fumes from breathing zone WELDING SPARKS...

Страница 19: ...UTPUT OFF INPUT POWER OVER TEMPERATURE AC WAVE BALANCE CONTROL SYMBOL MEANING AC WAVE BALANCE CLEAN INCREASING POSITIVE POLARITY PENETRATE INCREASING NEGATIVE POLARITY MODE SWITCH SYMBOL MEANING TIG 2...

Страница 20: ...ID CONNECTIONS SYMBOL MEANING WATER COOLANT INPUT OUTPUT CONNECTIONS SYMBOL MEANING WORK CONNECTION ELECTRODE CONNECTION WATER COOLANT OUTPUT ADDITIONAL SYMBOLS SYMBOL MEANING REMOTE CONTROL DO NOT SW...

Страница 21: ...FAN circuit turns ON the fan only when cooling is needed FAN minimizes the amount of dust dirt and other foreign material drawn into the machine A build up of these materials can cause excessive oper...

Страница 22: ...uropean Model Only Low Voltage Trigger Circuit 18 VAC for maximum operator safety Remote Receptacle for Amptrol or Arc Start Switch connection Gas Valve Inlet fitting conforms to Compressed Gas Associ...

Страница 23: ...three position toggle switch used to select the welding mode Refer to the WELDING OPERATION section for more information on how the machine functions in each of the following modes Stick This mode is...

Страница 24: ...ectrode Connection makes the gas and current connec tions for the TIG torch at the same time Adapter plugs are provided with the machine 14 Remote Receptacle For Amptrol Arc Start Switch or Robotic In...

Страница 25: ...ure Tungsten 1 2 Thoriated Tungsten Zirconiated Aluminum Stainless Steel Tungsten Electrode Diameter in mm TIG Torch Nozzle Size 4 5 DCEN DCEP Unbalanced Wave Balanced Wave AC Approximate Argon Gas Fl...

Страница 26: ...Second Press The output current ramps down to 5 Amps or 25 10 of the preset current whichever is greater The time it takes to ramp down can be adjusted from approximately 0 5 to 10 seconds with the Do...

Страница 27: ...to weld at 5 amps At the Amptrol s maximum position the output will be near 200 amps It is important to note that for many applications the tungsten will not start an arc at only 5 amps Refer to the...

Страница 28: ...ithin the 10 amp rating Note that some types of equipment especially pumps and large motors have starting currents which are significantly higher than their running current These higher starting curre...

Страница 29: ...n the undercarriage is properly installed the Square Wave TIG 275 lift bale is nonfunctional Do not attempt to lift the power source with the undercarriage attached The undercarriage is designed for h...

Страница 30: ...ndition will be indicated by the illumination of the yel low Thermostatic Protection Light on the case front see Figure 3 The fan will continue to run to cool the power source No welding is possible u...

Страница 31: ...ver or other suitable tool The main rectifier is mounted to the main transformer in front of the cooling fan SPARK GAP ADJUSTMENT The spark gap is set at the factory to a gap of 0 015 inches 0 4 mm Th...

Страница 32: ...S The second column labeled POSSIBLE AREAS OF MISADJUSTMENT S lists the obvious external possibilities that may con tribute to the machine symptom Perform these tests checks in the order listed In gen...

Страница 33: ...machine output Allow machine to cool and ther mostat will close The yellow thermal light TL1 should be lit in this condition 3 If the machine is not hot i e you have not been welding and the thermosta...

Страница 34: ...ose connections at Control PC Board P4 and at the Display PC Board 20 21 The Display 2 The Display PC Board may be faulty See PC Board Troubleshooting Procedures 1 Is accessory defective Plug it into...

Страница 35: ...ariable or sluggish welding arc 1 Diode D1 may be shorted Check and replace 2 One of the main SCR s may be shorted Check and replace 1 Check and replace 5 Amp Fuse F1 located below the Control PC Boar...

Страница 36: ...on cable connector when Arc Start Switch or Amptrol is pressed 2 The Control PC Board may be faulty See PC Board Troubleshooting Procedures 1 Gas supply is empty or not turned on 2 Pinched disconnect...

Страница 37: ...eak to ground Use good quality cables preferably those with a high natural rubber content and as short as possi ble 3 No shielding gas Adjust gas flow for a flow of 10 to 30 CFH 4 7 to 14 1 1 min for...

Страница 38: ...st be securely grounded by means of its ground and mounting screws to the case front The quick connect terminals from the line switch must be fully seated Failures of this board should be very rare BY...

Страница 39: ...NECT A TO MID H3 7 24 98 C L2 SV1 235A 234A F S BALANCE CONTROL X5 L4 C5 T2 F E D C X2 X1 T1 78VAC S W 204 A C D E B F B D C E A F G H G DC 211 DC C6 277B 245 254 J2 J1 255 AT MINIMUM D F J7 J8 PC BOA...

Страница 40: ...ID S1 FUSE 5A FAST BLOW R4 R2 TOROID L5 F1 D F D1 F 10K A B R6 252 J4 246 J3 312 2 STEP TIG BRASS TERMINAL S2A 316 A R1 220 220A 277 DOWNSLOPE CONTROL POTENTIOMETER 100K PHASE SHIFT RESISTOR 200 100 2...

Страница 41: ...COLORING CODE B BLACK 2 1 8 X5 L4 L3 L4 C5 T2 F E D C X2 X1 T1 78VAC S W 204 A C D E B F B D C E A F G H G C8 DC 211 REAR GANG DC 115VAC R6 S2A TL1 G GREEN O ORANGE R RED CONNECTOR PIN NUMBERS C6 277...

Страница 42: ...DIMENSION PRINT SQUARE WAVE TIG 275 20 00 40 65 4 00 24 06 3 57 71 15 37 28 00 3 57 17 50 A M19118 9 57 19 15 22 89 33 40 27 65 F 4 F 4...

Страница 43: ...6 383 2259 and ask for the Welding School Registrar Lincoln Welding School BASIC COURSE 700 00 5 weeks of fundamentals There is a 10 discount on all orders of 50 00 or more for shipment at one time to...

Страница 44: ...electrically live parts or electrode with skin or wet clothing Insulate yourself from work and ground No toque las partes o los electrodos bajo carga con la piel o ropa moja da Aislese del trabajo y...

Страница 45: ...e Be und Entl ftung des Arbeitsplatzes Mantenha seu rosto da fuma a Use ventila o e exhaust o para remover fumo da zona respirat ria Turn power off before servicing Desconectar el cable de ali mentaci...

Страница 46: ...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 World s Leader in Welding and Cutting Pr...

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