Lincoln Electric IM607 manual Wiring Diagram Square Wave TIG 175 240/380/415/1/50/60

SQUARE WAVE TIG 175

WIRING DIAGRAM - SQUARE WAVE TIG 175 (240/380/415/1/50/60)

H4 (415V)

{

H3 (380V)

H2 (240V)

L1

L2

H1

R 209

W X3

S

T1

VOLTAGE RECONNECTION

18VAC

F

415 VOLT CONNECTION (AS SHOWN)

U 210

B X4

W 221

S X1

CONNECT COPPER LINK FROM POWER

W 201

W X5

SWITCH STUD TO H4. TIGHTEN NUTS.

R 222

18VAC

F

78VAC

380 VOLT CONNECTION

W 204

W X6

X2

CONNECT COPPER LINK FROM POWER

)-(

115VAC

B 230

B X7

SWITCH STUD TO H3. TIGHTEN NUTS.

220

B

FAN

232B

115VAC

F1

240 VOLT CONNECTION

SCR1

232

BYPASS

B X8

CONNECT COPPER LINK FROM POWER

232A

PC BOARD

H2

H4

G1

SWITCH STUD TO H2. TIGHTEN NUTS.

H1

H3

217

BYPASS PC BOARD MUST ALWAYS BE

CONNECTED ACROSS POWER SWITCH.

SCR2

L1

G2

POLARITY SWITCH

MICRO SWITCH

218

AC

A-C, D-E, B-F

OPEN

DC+

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

CLOSED

(+)

FRONT GANG

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

CLOSED

D

S2A NO

L2

DOWN

START/CRATER

G3

H

E

A

NC

SCR3

TOROID

SLOPE

CURRENT

F

G

216

C

(-)

(+)

R5

R4

G4

POS

G4 216 220 G3 G2 218 G1 217

222R

221W

POWER "ON" LIGHT

314

SCR4

B

X1

313

231

W

279 278 244 244A

233

PL1

280

281

)-(

S2

D1

POLARITY

(REAR VIEW,

SWITCH

SHOWN IN AC POSITION)

J1

J2

J3

R1

OUTPUT

CURRENT

280

277A

R2

278

277

312

276

B

B

244

243

275

J4

242

279

BYPASS/

281

STABILIZER

233

240

2 STEP TIG

PC BOARD

275

231

243

4 STEP TIG

276

240

277

244A

STICK

S3

244B

MODE SWITCH

R 277A

Y

THERMAL LIGHT

S

L3

C3

SPARK

TL1

115VAC

T3

T4

B 242

GAP

F

J6

E

A

A

L4

J5

D

B

B

237

ARC STARTER AS’BLY

C

C

C

A

D

D

R3

C4

B

E

E

10K A-B

F

AT MINIMUM

236B

236 W 201 W 204 235 234 238

232B B 230

U 210 R 209

REMOTE

REMOTE

236A

B

RECEPTACLE

AMPTROLTM

238

SV1

236

236A

J4

234

235

ELECTRICAL SYMBOLS PER E1537.

B-RW

L10808

20

WIRING DIAGRAM

20