Electrical Diagrams Section; Wiring Diagram - Lincoln Electric INVERTEC STT Series Service Manual

G-2

Wiring Diagram

INPUT
RECTIFIER 9D
D13
+
C C C D
H1 TP1
H1
B
B
B
TP3
A A TP2
-
A
A F
12D
N.L.
LOAD
POWER LINE
FILTER
ASSEMBLY
H1 H3
FAN
MOTOR
LINE
N.K.
S1
POWER
ON OFF
A
W
A
U
B
R
B
V
C
B
C
W
G
J 1 , J 8 ,
J 3 , J 9 ,
J 5 , J 7 ,
J 1 1 , J 1 2 , J 1 4 J 1 0 , J 1 3 ,
J 1 8 , J 3 7 J 1 5 , J 3 5 J 3 4
J4, J17 J16, J28
P . C . B O A R D C O N N E C T O R C A V I T Y N U M B E R I N G S E Q U E N C E
( V I E W E D F R O M C O M P O N E N T S I D E O F B O A R D )
J38
J19
P I N O U T O F F R O N T P A N E L C O N N E C T O R S ( R E A R V I E W )
J29. J31
P30 J30 P29, P31
P22
I N L I N E C O N N E C T O R C A V I T Y N U M B E R I N G S E Q U E N C E
( V I E W E D F R O M W I R E S I D E O F C O N N E C T O R )
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The wiring diagram specific to your code is pasted inside one of the enclosure panels of your machine.
WIRING DIAGRAM - INVERTEC STT
N.G.
9
9A
9A
4, 5 4
R7 402, 404
25 +
N.F.
25W + SWITCH
C2
BOARD
7500 25
2200 F
25W - (LEFT)
9A 25W
450V
R6 401, 403
9A R1
53 12A R 1, 8 1
W R W
9A 12A 12
52
9A
309
309
14 53
309A
310
310 1 311
CR1
14 14
9D 310A 53
3 313 307 308
9C J8
2
9D
4
6 3 2 5 1 4 2 3 4
1
52 52 9D 8 J11
N.H. J10
PROTECTION 52 12D
1 2
J16
S7 DRIVER
BOARD 2 12B 7
RECONNECT 5
52 3 BOARD
9B
1 314
1
9C 9B J15
4 315 2 J 9
12A
12C H5 51 3 316 1 4
12A 3 6 2 5 4 1
6 317
1 3
9B
12C
12D 51
W R W R
9B 9
N.G. 4,5
N.F.
9B
9B R5
12D 402, 404 SWITCH
+
25
7500 BOARD
25W C1 +
CR2 25W
309A (RIGHT)
25
2200 F
-
12B 12B 25W
450V
310A
51
R4 401, 403
12B
12B 1, 8
12B
12B 12B 12B 12
371
374
A
J30
J22
32 32A
1 15
R
32C 16 32B
4 AMP
1 1 5 V 1 1 5 V
SLOW
440- J21
BLOW R
33 7 33A
460V H5 2
H6
A 6 33C 33B
8
J31
4 2 V
5 43A
U
H4
380-
3
H4
415V
2 4 V
3 503
N
H3
220-
H3
230V 2
H3 0 V
H2 2 212
200- 4 W
H2
208V
504
INPUT 4
Y
H1
1
PER
H1
1 8 V
N.A.
Y
1 501
T4
N.D.
AUXILIARY
T1
TRANSFORMER
AUXILIARY
TRANSFORMER
J24 ELECTRICAL SYMBOLS PER E1537
J23
J6, J27, J33
J26 J25
COLOR CODE:
B = BLACK
G = GREEN
N = BROWN
O = ORANGE
J2, J36
R = RED
W = WHITE
M E T E R P I N O U T ( V I E W E D F R O M B A C K O F M E T E R )
Y = YELLOW
U = BLUE
NOTES:
N.A.
1. FOR MACHINES SUPPLIED WITH INPUT CABLE
FOR SINGLE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE.
CONNECT BLACK & WHITE LEADS TO SUPPLY CIRCUIT.
J39
WRAP RED LEAD WITH TAPE TO PROVIDE 600V. INSULATION.
FOR THREE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE.
CONNECT BLACK, RED & WHITE LEADS TO SUPPLY CIRCUIT.
2. FOR MACHINES NOT SUPPLIED WITH INPUT CABLE
FOR SINGLE PHASE INPUT: GROUND MACHINE PER NATIONAL AND LOCAL ELECTRICAL CODES.
CONNECT TERMINALS U & W TO SUPPLY CIRCUIT.
FOR THREE PHASE INPUT: GROUND MACHINE PER NATIONAL AND LOCAL ELECTRICAL CODES.
CONNECT TERMINALS U, V & W TO SUPPLY CIRCUIT.
N.B. SINCE COMPONENTS OR CIRCUITRY OF A PRINTED CIRCUIT BOARD MAY CHANGE WITHOUT AFFECTING
THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY NOT SHOW THE EXACT
COMPONENTS OR CIRCUITRY HAVING A COMMON CODE NUMBER.
N.D. PLACE "A" LEAD ON APPROPRIATE CONNECTION FOR INPUT VOLTAGE.
CONNECTION SHOWN IS FOR 440-460V OPERATION.
P21 J21
N.E. D1 THRU D5 OUTPUT DIODES ARE A MATCHED SET.
D7 THRU D11 OUTPUT DIODES ARE A MATCHED SET.
N.F. R1, R9 BLEEDER RESISTORS ARE A MATCHED SET.
N.G. C1, C2 CAPACITORS ARE A MATCHED SET.
N.H. PLACE SWITCH IN APPROPRIATE POSITION FOR INPUT VOLTAGE.
J22
CONNECTION SHOWN IS FOR 380-460V OPERATION.
N.I. DENOTES A TWISTED WIRE PAIR OR GROUP.
N.J. NOT PRESENT ON EUROPEAN VERSIONS.
N.K. NOT PRESENT ON EUROPEAN VERSIONS, CODE 10309 AND HIGHER.
N.L. PRESENT ON EUROPEAN VERSIONS, CODE 10309 AND HIGHER.
ELECTRICAL DIAGRAMS
T2
MAIN
TRANSFORMER
CURRENT
SENSE
4 L3
F BOARD
TOP . 0 0 1 / 4 0 0
1 0
OUTSIDE R3
2 W CHOKE
S
C 4
3
S F D11
1
BOTTOM
BOTTOM
D10 4
INSIDE J18
F
S D9 2
1
D8
1 W
D7
2 B
J12
3
4
N.E.
371 1
374 4
N 2
J13
N 3
T3
N.E. O 5
CURRENT
O 6
TRANSFORMER
I D1
D2
DARLINGTON
5 5 S
F D3 DRIVE BOARD
I
Y Y BOTTOM
D4
TOP
OUTSIDE
S F D5
C 3
S
1 0
R2
TOP
2 W
. 0 0 1 / 4 0 0
INSIDE
F
8 8
J22
10 371A
503B
11 374A
DARLINGTON
240
1
R 307 7 POWER
HEATSINK
18V J22 308 8 BOARD
THERMOSTAT
W
2 241
503A 14 309 2
W
18V
310 4
R W J7
9 242 501 5
224 6 224A 5
243 504 6 3 303
3
B
FAN 1 6 302
18V
THERMOSTAT 3 8 304
B
4 244
J6 1 275
224 311
N 1
10 212
210A 313 2
10V J14 2 305
503A 212B 3
N 7 301
4
9
O 150 5W 212A
4 211A
6V
O 212A 210
12 245
U
18V
U
13 246
R
CLEVELAND, OHIO U.S.A.
REMOTE
PROTECTION BOARD
TOROIDAL
N.L.
CORE
C 8 2 0 / 4 0 0
+ ARC
289B 288B
R14
2 3 0 0 W
1 290
289A 288A
D7 2
R13 288 J37
3 291
2 3 0 0 W
287 - ARC
4
289
E C
J38
403
3 J
R 402
DARLINGTON 2 B
B 401
1 C
MODULE
W
410
212C 10 G
6
409
B E
43A 1 9 A
412
W B D
33C 4 12
404
4 F
32C 8
J34
411
212B 5 11 H GND
3 E
2
I
7
223
8
WIRE
B 9
R 10 FEEDER
J36
J39
W 5
4
B N SPARE
J33
5 370 370 6 414
14 B GND
1 371 371 2
R 6 406
21
6 H
B 4 7 372 372 3
J1
2 L 82
W 2 374 374 7
3 1 M 81
376 376 1
J27
4 405
5 D 4
8
413
13 C 2
3
416
16 K
9 42
408
10 8 I 41
415
3 15 A 32
W 1 407
7
J 31
B 7
E 77
R
5
J5 76
B 6 F
240 8 G 75
241 2
1
242 4
2 43B
3
3 6 42
371A
8 2
4
374A 1 J35
5 5
243 7 1
6 33D
244 14 J17
31A
7 4
303 3
8
302 11
9
10
304
J28 10
275 6
11
4
12
J24 J23
2
5
350 353
9 1 1
9
6 351 352 2 2
12
3 3
12 352
13
8 353 4 4
5 5
2 354
6 6
1
355
351
13 356
350
4 357
J2
15 J26 J25
358
16 359
Y 2
357 1 1
10 360
Y 8 356 2 2
7 361
3 3
301 11
14 362
305 3 4 4
3
363
1 5 5
245
5
6 6
9
223
J4 11
211A 5 355
12 354
212C
210 6
246
7
358
4 CW (MAX)
502 10
10K
359 R11
2W
360
361
CW (MAX)
10K
362 R12
2 2W
364
5
365 363
6 366
J3
1 367
4 368
3 369 364
CW (MAX)
10K
365
R13
2W
CONTROL
366
BOARD
367
367A
S2
.045
.035
368
367A
S3
STAINLESS
MILD
369
(-)
502
Y
503
(+)
503A
G-2
J19
VOLTAGE
SENSE
1 (+)
CONNECTION
2
(-)
3
4
BG
10K
PB
10K
TRIGGER
OPTIONAL
REMOTE
INTERFACE
TRIGGER
42
VAC
115
VAC
N.J.
CB1
42
6AMP VAC
CB2 115
VAC
6AMP
PEAK
CURRENT
METER
BACKGROUND
METER
PEAK
CURRENT
CONTROL
BACKGROUND
CONTROL
HOT START
CONTROL
WIRE SIZE
WIRE TYPE
THERMAL
OVERLOAD
INDICATOR
9-13-96
G2773
INVERTEC STT