MULTI-SOURCE WIRING DIAGRAM
INPUT SNUBBER |
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| ASSEMBLY |
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| L2 |
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| H2 | H1 | POWER SWITCH |
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| T2 |
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| S1 |
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| CONTROL BOX | |
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| U | V | W | 241 |
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| DIODE BRIDGE | ||
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| X2 | X1 |
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| 297 AC |
| + | 274 | ||||
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| 240 |
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| 302 271 |
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| - | AC |
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| 1CR |
| 272 |
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| 273 |
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| T1 | T1 | T1 | 302 |
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| REAR |
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| 271TRANSFORMER |
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| IRON | LED (W) (RIGHT) |
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| H2 |
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| 250 | FAN 253 |
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| L3 |
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| 1 | 2 | 3 |
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| 341 |
| 230 |
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| W | 12 | 11 | 10 | TO |
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3 | L2 | PRIMARY | 203 | 205 |
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| LED (Y) (CENTER) |
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| COILS |
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POWER | V | 9 | 8 | 7 |
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| 251 |
| 235 |
| 234 |
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| L1 | 4 | 5 | 6 |
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| 207 |
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| H1 | U | 6 | 5 | 4 |
| 204 | 206 |
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| LED (G) (LEFT) |
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| TO T2 | 7 | 8 | 9 | 208 |
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| 260 |
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| TO T1 |
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| FRONT |
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| TRANSFORMER |
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| IRON |
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| L3 |
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| 10 | 11 | 12 | 261 |
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| 222A |
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| W | 12 | 11 | 10 |
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| TO |
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| 222D |
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| L2 | H2 |
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| L1 | ||
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| 8 | 7 | PRIMARY |
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| 263 SECONDARY LEAD |
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| H1 | V | 9 | COILS |
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| L1 |
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| - |
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| U | 6 | 5 | 4 |
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| WORK | ||||
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| 301 | 264 |
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| TO T2 |
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| 222B |
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| TO T1 |
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| 222C |
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| TP1 |
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| C1 |
| C3 |
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| R1 | 30 |
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| 820uF | + |
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| 300W | |||||
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| 500V |
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| W | 12 | 11 | 10 |
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| TO |
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| L2 | H2 |
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| PRIMARY |
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| G1 |
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| 292 |
| 293 |
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| L1 H1 | V | 9 | 8 | 7 | COILS |
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| OUTPUT |
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| G3 |
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| U | 6 | 5 | 4 |
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| G5 | BYPASS |
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| SCR1 |
| SCR5 |
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| TP2 |
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| R2 | 30 |
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| SCR3 |
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| 2 |
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| C2 |
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| R9 | 300W | |||||||||||||
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| 300W | |||||||||||
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| (TOP) |
G TO A SYSTEM GROUND PER
NATIONAL ELECTRIC CODE
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| 294B |
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1 | 2 | 1 | 3 | 1 |
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| 301 |
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| 294A |
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4 | 1 | 5 | 1 | 8 |
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| ELECTRODE | |||||||
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3 | 4 | 4 | 6 | 5 | 8 | 6 | 10 | 9 |
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16 |
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264 |
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| ELECTRICAL SYMBOLS PER E1537 |
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| 202 OUTPUT SHUNT |
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| CONNECTORS VIEWED FROM INSERTION END |
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| 215A |
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| 50 mV@800 A |
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| SCR |
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| 215 | 201 |
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| THERMOSTAT |
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| 215B |
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INPUT | WELDER |
| TRANSFORMER | CONTROL |
| SCR2 | SCR4 | SCR6 |
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BOX |
| BASE |
| BRACKET |
| BOX COVER |
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| G4 | G6 |
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| PROTECTIVE BONDING CIRCUIT |
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| G2 |
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DIGITAL OUTPUT METER
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M1 M2 M3 M4 M5 M6 |
| M9 M10 |
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| 1 2 | 3 4 5 6 | 7 8 9 10 | P11 | ||
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| J11 | |||||
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| M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 |
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| 1 2 | 3 4 5 6 7 8 9 10 |
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201 | 1 |
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| J3 |
| 1 | 222D |
261 | 2 |
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| 2 | 273 | ||
263 | 3 |
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231 | 4 |
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| 3 | 340 |
202 | 5 |
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| J2 | 4 | 274 |
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| 5 | 252 | |||
215A | 6 |
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| 6 | 251 |
230 | 7 |
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| 7 | 240 | ||
341 | 8 | J1 |
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| 8 | 241 | ||||
222A | 9 |
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260 | 10 |
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264 | 11 |
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235 | 12 |
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| CB1 |
234 | 13 |
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215B | 14 |
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| 252 |
233 | 15 |
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| 253 | ||
232 | 16 |
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| 10 A FAN | ||
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| CONTROL PC BOARD | |||||
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| CIRCUIT | |||||
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| BREAKER |
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| PARALLELING |
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| CONNECTIONS |
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G1 | 1 |
| 1 2 | 3 4 |
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| J6 |
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G2 | 2 |
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G3 | 3 | J4 |
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G4 | 4 |
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G5 | 5 |
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G6 | 6 |
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| 1 | J7 | 54 |
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| 8 | J5 | 2 | 283 |
| 9 | 3 | 286 | |
| 10 |
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215 | 11 | J8 | 5 | 288 |
12 | 6 | 287 | ||
231 | 13 |
| 7 | 340 |
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| FIRING PC BOARD |
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TO T1 |
| RESISTOR BANK |
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AUXILIARIES |
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| 203 | R3 |
| 283 |
| 204 | R4 |
| 284 |
| 205 | R5 |
| 285 |
| 206 | R6 |
| 286 |
| 207 | R7 |
| 287 |
| 208 | R8 |
| 288 |
L11414
DIAGRAMS
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram 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 replacement. Give the equipment code number..