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NOTE: |
This code |
L1(U) | H1 |
H4 (460V) |
H3 (230V) |
H2 (208V) |
Wiring
SQUAREWAVE | diagram is for reference only. It may not be accurate for is pasted inside one of the enclosure panels of your |
L2 (V)
460 VOLT CONNECTION (AS SHOWN) CONNECT A TO HIGH (H4)
230 VOLT CONNECTION |
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| TO GROUND PER |
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CONNECT A TO MID (H3) |
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| NATIONAL |
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| ELECTRICAL CODE |
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208 VOLT CONNECTION |
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CONNECT A TO LOW (H2) |
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| L1(U) | HIGH |
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| L2 (V) | MID |
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| LOW |
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| CHOKE | SECONDARY |
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| THERMOSTAT | THERMOSTAT | J21 |
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| 316 | 255 |
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| 315 | 254 |
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G3 217 220 G2 G1 218 G4 216 | 314 | 313 | THERMOSTAT |
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222R | W221 |
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| PRIMARY |
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| J20 |
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| 255 |
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| 254 |
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J1 | J2 |
| J3 |
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J4
S1 | C3 | C4 | |
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A |
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250 |
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H4 | C1 |
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H3 |
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H2 |
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N.C. |
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| L2 |
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DOWNSLOPE CONTROL | TOROID | CURRENT CONTROL | |
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R4 |
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270 |
| 277 |
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| 248 | |
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POSTFLOW CONTROL |
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| BALANCE CONTROL |
R3 |
| 277A | R2 |
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| 232A |
| 232 |
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| 211A | R8 | 211B | 211 | X10 |
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| W 209 | S |
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| 18VAC |
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| R 210 | X9 | F |
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| W 221 |
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| X1 | ||
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| W 201 | X7 |
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| R 222 |
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| 18VAC |
| 78VAC | ||
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| W 204 | X8 |
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| B 232 | X3 |
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| 232C |
| 232B | 115VAC |
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| 231B |
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| SCR1 |
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| B 231 |
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G1 | (+) |
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| 211 | X5 |
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218 |
| POS |
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| 23VAC |
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| 212 | X6 |
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G2 |
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| SCR2 |
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| L1 | POLARITY SWITCH MICRO SWITCH |
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| AC | OPEN |
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| DC+ | CLOSED |
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217 |
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| D | D2 |
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G3 |
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SCR3 |
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| NC |
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220 |
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220A |
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| POS |
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| SCR4 | B | X1 |
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G4 |
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216 |
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NEG |
| POLARITY |
| (REAR VIEW, SHOWN |
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| SWITCH |
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| IN AC POSITION) |
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Diagram (L10747)
ELECTRICAL
TIG 275 | all machines covered machine. |
N.A.
J5
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| 275C | |
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| 275B | |
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| 277B | ||
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249 |
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| 312 | ||
246 |
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| 275A |
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312 |
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275 |
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251 | 275 | STICK | ||
242 |
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| MODE SWITCH | |
245 |
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251 | 4 STEP TIG | |||
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R7 |
252 |
253 |
R6 |
DIAGRAMS
by this |
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| 248 | 243 | 2 STEP TIG |
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| 276 |
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| THERMAL LIGHT |
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| 243 | 277C | Y | 247 | |
CONTROL PC BOARD |
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| 277 |
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| B 242 | TL1 | BRASS |
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| 252 | TERMINAL |
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BYPASS/ |
STABILIZER |
PC BOARD |
N.B.J7A
J8J7
261 260 247 220A 201 212 236 211A 204 232A | 234 238 231 | 235 210 209 | D E C F B A |
W W B | B | R W |
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| 238 |
FAN | 236 |
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234A
235ASV2 SV1
L5
TOROID
236A
A | A |
B | B |
C | C |
D | D |
E | E |
F | F |
REMOTE RECEPTACLE
S
115VAC T2
F
| 10K |
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| AT MINIMUM |
| 237 | |
OPTIONAL |
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REMOTE | OR | TIG | R5 | C6 |
AMPTROL TM | PULSER | |||
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| 236B |
L3C5
SPARK
GAPT3
L4
ARC STARTER AS'BLY
N.A. CONNECTION IS PIN TO PIN BETWEEN
J4 AND J20 (i.e. PIN 1 TO PIN 1).
N.B. ROBOTIC INTERFACE CONNECTION. | J5 |
N.C. NOT PRESENT ON EARLIER PC BOARDS.
ELECTRICAL SYMBOLS PER E1537. |