Lincoln Electric IM490 INVERTEC V250-S - Manual (Page 28)

F-1 DIAGRAMS F-1
INVERTEC V250-S
ELECTRICAL SYMBOLS PER E1537
W
§
AA6Œqb 31/32
H1
18V
76
C B A F
75 76 77 GND
REMOTE CONTROL RECEPTACLE
MIN
T3
T2
OFF
ON
H1
I I
TP5
B
W
TP4
C6 C5
311 313
W B 376 330 303 327
304 303 303A 305
1
2 3
377 376 330 303A
LOCAL REMOTE
327 328
J4
CONNECTOR CAVITY NUMBERING SEQUENCE (VIEWED FROM COMPONENT SIDE OF BOARD)
NOTES:
REMOTE OUTPUT CONTROL
INPUT PER N.A.
POWER
S1
1
J4
J3
J2
CW (MAX)
CW (MAX)
F F
S
S S S S
S S
F F
F F
S
CC SOFT CC CRISP
2 1 7
5
CC GTAW
TP6
H3
F S F F F F S F
W V U
H1
1 2
C3
10 2W
C4
COLOR CODE:
R = RED
4
6 7 4 2 8 3
3 4 5 6 8 9 10 11 12
2 3 4
1 2
328 319
13 14
321
Y
H3
W B G
A
FOR THREE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE. CONNECT BLACK, RED & WHITE LEADS TO SUPPLY CIRCUIT. WRAP RED LEAD WITH TAPE TO PROVIDE 600V. INSULATION. FOR THREE PHASE INPUT: GROUND MACHINE PER NATIONAL AND LOCAL ELECTRICAL CODES. CONNECT TERMINALS U, V & W TO SUPPLY CIRCUIT. CONNECT TERMINALS U & W TO SUPPLY CIRCUIT. CONNECT BLACK & WHITE LEADS TO SUPPLY CIRCUIT. FOR SINGLE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE. FOR SINGLE PHASE INPUT: GROUND MACHINE PER NATIONAL AND LOCAL ELECTRICAL CODES.
W = WHITE B = BLACK G = GREEN Y = YELLOW
R
H1
+ ARC
- ARC
.001/400
10 2W
YY
N.A. N.B. SINCE COMPONENTS OR CIRCUITRY OF A PRINTED CIRCUIT BOARD MAY CHANGE WITHOUT AFFECTING N.D. D2 THRU D4 OUTPUT DIODES ARE A MATCHED SET. N.E. C1, C2 CAPACITORS ARE A MATCHED SET.
THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY HAVING A COMMON CODE NUMBER. D5 THRU D7 OUTPUT DIODES ARE A MATCHED SET.
3 6 4 1
J6
2 5
204 201 205 208
201 205 208 204
207A
209
202A 203A
AUXILIARY TRANSFORMER
FAN MOTORS
R R
H3
S2 MODE SWITCH
S3 LOCAL/REMOTE SWITCH
10K 2W 10K 2W
319
304
316
J1
1
310 311 313 309
309 310
Y Y
377 305 229
R1 R2
R3 OUTPUT CONTROL
R4 ARC FORCE /INDUCTANCE CONTROL
202A
203A 203 203
207
207
202
206
206
202
J7
R3 R4
375B
J1
1. FOR MACHINES SUPPLIED WITH INPUT CABLE 2. FOR MACHINES NOT SUPPLIED WITH INPUT CABLE
G
THERMAL OVERLOAD INDICATOR
S4 PRIMARY RECONNECT SWITCH
C1
1600/450
C2
H2
H2 H5
6
H5
H4
3
A
440- 460V 220- 230V 200- 208V
N.C.
N.C. PLACE "A" LEAD ON APPROPRIATE CONNECTION FOR INPUT VOLTAGE.
CONNECTION SHOWN IS FOR 440-460V OPERATION.
H1 H3
CURRENT TRANSFORMER
BACK OUTSIDE FRONT INSIDE FRONT OUTSIDE BACK INSIDE
CW (MAX)
50K 2W
R5
8-5-94 L9280
L2 RIGHT
T1 MAIN TRANSFORMER
229
324
375
317
324
+
322 318
E D
4 2
GTAW (REMOTE) TRIGGER
J2
J3
77 75 375B
375 321
307 308
318
322
75
76
1
42
5
6
3 77
J5
308 307
R R
.001/400 D1
D2, D3, D4 D5, D6, D7
D8
H4
380- 415V
A B C
D F
+ -
TP1 TP2
TP3
1600/450
206 203A 202A 207A
208 205 201 204
+
-
+
-
N.C.
FRONT FRONT AUX. BACK AUX. BACK
POWER BOARD
INPUT BRIDGE
D9
209
L1 LEFT
CONTROL BOARD
WIRING DIAGRAM - INVERTEC V250-S
316 315
R5 STRIKE ENERGY CONTROL
J5, J6, J7
5
A A
0.6 AMP SLOW BLOW
R6 100 5W
RR
RR
317
315
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diag
ram for a particular code is pasted
inside the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for a replacem
ent. Give the equipment code number..
WIRING DIAGRAM- CODES: 10102, 10103