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ELECTRICAL DIAGRAMS |
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WIRING DIAGRAM - |
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MULTI-WELD 350 WIRING DIAGRAM
CONTROL BOX
FRONT PANEL
(VIEWED FROM REAR)
ON/OFF & MODE SELECT
| S1 |
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CC | 202A | CV | |
OFF | |||
| 202 | ||
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| 231 | |
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| 219 |
L6
L7
CONTROL BOX |
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BACK PANEL |
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(VIEWED FROM PCB SIDE) |
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PANEL PLUGS | R 326 | 327 |
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| 301 | 302 | 330 | 304 | 331 | 306 | 307 | 308 | 300 | R 313 | 314 | KEY PIN | R 315 | 316 | 309 | 310 | 311 | 312 |
P21 | 1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | P22 |
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| P23 |
J21 | 1 | 2 | 3 | 5 | 6 | 8 | 9 | |||||||||||||||
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| J22 |
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| J23 | |
PANEL RECEPTACLES | 226 | 227 |
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| 201 | 202 | 230 | 204 | 231 | 206 | 207 | 208 | 200 | 213 | 214 |
| 215 | 216 | 209 | 210 | 211 | 212 |
| D3 | E3 |
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| R |
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| D1 | E1 |
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| TUNNEL ASSEMBLY |
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| (VIEWED FROM PCB SIDE) |
R 313 | 314 | KEY PIN | R 315 | 316 | 309 | 310 | 311 | 312 | 301 | 302 | 303 | 304 | KEY PIN |
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| 308 | PANEL PLUGS |
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| P24 |
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| 8 |
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| P20 | |
1 | 2 | 3 | 4 | 5 | 6 | 7 | 9 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
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| J24 |
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| J20 |
413 | 414 |
| 415 | 416 | 409 | 410 | 411 | 412 | 401 | 402 | 403 | 404 |
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| 408 | PANEL RECEPTACLES |
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R |
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Return to Section
224 | PL1 |
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INPUT
INDICATOR
LIGHT
VOLT
M1 M2 M3 M4 M5 M6 M9 M10
+ |
AMP | PL2 |
| - 223 |
M1 M2 M3 M4 M5 M6 M9 M10 | THERMAL |
LIGHT |
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| J31 |
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| J32 | |
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202B | 224 | 237 | 230 201 | 238 | 234 204 | 208 | 236 |
ANALOG CONTROL | POWER SUPPLY PCB |
J42 | 408 | |
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| 439 | |
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| 440 | |
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J41 | 437 | |
436 | ||
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L8
402
J46
401A
404
403
436
J47
442
437
DC BUSS POWER SUPPY PCB
TOC
TOC
OUTPUT CONTROL
R1
LO
WIPER
HI
L10
REMOTE RECEPTACLE
L3 |
226R 227 | M1 | M2 |
| M3 | M4 | M5 M10 | 206 | 223 |
| 222 | 219 221 | 218 | M1 | M2 | M3 | M4 | M5 M10 | A D B | C | ||||||||||||||
| 207 | ||||||||||||||||||||||||||||||||
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| M6 |
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| M9 |
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| M6 |
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| M9 |
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J6 | J4 | J11 | J2 | J5 | J10 |
401 | 401A |
| X1 |
X4 | C1 |
| INPUT CAPACITOR |
| (LEFT) |
| REVERSE |
| DIODE |
| D5 |
WHEELING (LEFT) |
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R 413 414 440 441 |
5 6 8 7 9 1 3 2 4
B7 | B3 | B1 | B2 |
CHOPPER PCB
P45
J45
LEAD
X4A
WHEELING (RIGHT)
X1A
C2
INPUT CAPACITOR (RIGHT)
D4
REVERSE
DIODE
D6
P45A | 438 | 439 | R 415 | 416 |
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5 | 6 | 8 | 1 | 3 | 7 | 9 | 2 | 4 |
J45A |
| B1 | B2 | B7 | B3 |
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CHOPPER PCB
217 | 221 |
PIPE
STICK/
GOUGE
S2
A A
B B
C C
D | D |
E | D1 |
E |
ARC FORCE | HOT START |
R3 | R2 |
HI WIPER LO |
J7
J3
WELD CONTROL PCB | OUTPUT | |
CONTROL | ||
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FREE | DIODES |
(LEFT)
303
303A
RED
+
FAN
FREE DIODES
(RIGHT)
E1 |
CC SLOPE
COVERED PANEL
F |
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| MAX VAR | MIN | MAX VAR | MIN | ||
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| HOT START | ARC FORCE | J12 | ||||||||||
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| J8 | J9 | ||||||||||
J1 |
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J13
HEATSINK |
CONNECTION |
(LEFT) |
X1A |
X1 |
300
HEATSINK
CONNECTION (RIGHT)
OUTPUT CHOKE (LEFT) | OUTPUT CHOKE (RIGHT) |
(VIEWED FROM
REAR)
VAR MIN MAX | VAR MIN MAX | 237 | 200 | 238 | 216 | 215 | 214 | 213 |
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| R |
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211 | 210 | 212 | 209 | 234A | 236 | 330 |
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INPUT CONTACTOR CR1
303A
307
306 THERMOSTAT
331 | CR1 |
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| BP5 |
D1 | D2 |
| INPUT DIODES |
X4
L1L2
BP2
BP1
X4A
50mV/400A
SHUNT
R326
327
PCB CONNECTOR CAVITY NUMBERING SEQUENCE Ý `Ð
(VIEWED FROM COMPONENT SIDE OF P.C. BOARD)
1 | 1 | 2 | 1 | 3 | 1 | 4 | 1 | 5 | 1 | 8 |
| PANEL RECEPTACLE CAVITY NUMBERING SEQUENCE | L3 THROUGH L10: RF CHOKES | ||||
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| (VIEWED FROM LEAD SIDE OF RECEPTACLE) |
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| R1: 10K, | ||
1 |
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| R2, R3: 10K, ONE TURN |
3 | 2 | 1 |
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| 1 | 1 | 2 | 3 |
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NOTES:
N.A. CUT THIS JUMPER TO ENABLE ON/OFF OUTPUT SWITCHING FROM REMOTE RECEPTACLE (SEE INSTRUCTION MANUAL)
N.B.
BP3 |
(+) INPUT
BP4
2 | 3 4 |
| 4 | 6 | 5 | 8 | 6 | 10 | 9 | 16 |
2 PIN | 4 PIN | 6 PIN | 8 PIN |
| 10 PIN |
| 16 PIN | |||
J6 | J7, J8, | J9 | J10, J11, J45 | J2, J3 | J4, J5, J42 |
| J12, J31 | |||
| J41, J46 |
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| J13, J47 |
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3 | 2 |
| 6 | 5 | 4 | 2 | 3 | 4 | 5 | 6 | |
4 | 9 | 8 | 7 | ||||||
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GENERAL INFORMATION ELECTRICAL SYMBOLS PER E1537
CASE
GROUNDING
4 PIN | 9 PIN | 4 PIN | 9 PIN |
J21 | J20, J22, J23, | P21 | P20,P22, P23, |
RESISTORS = OHMS/WATT UNLESS OTHERWISE SPECIFIED ALL SWITCH WIRING VIEWED FROM REAR OF SWITCH
SCREW
J24, J45, J45A | P24,P45, P45A |
NOTE: 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 OF CONTROLS HAVING A COMMON CODE NUMBER.
G3676
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.
