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TOC
ELECTRICAL DIAGRAMS | ||
WIRING DIAGRAM - ENTIRE MACHINE - (G4549) |
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A | A |
B | B |
W (L2)
B
(L1)
S1
GPOWER SWITCH
C2
C1
H3
H2
H1
313
314
S4
CHOKE
VOLTAGE RECONNECTION
SEE RATING PLATE FOR SPECIFIC VOLTAGES
230or
H1 and H3 (HIGH) TO POWER SWITCH.
H2 NOT CONNECTED; INSULATE.
208or 380 or 460 VOLT CONNECTION
H1 and H2 (LOW) TO POWER SWITCH.
H3 NOT CONNECTED; INSULATE.
C1 AND C2 MUST ALWAYS BE CONNECTED ACROSS TRANSFORMER PRIMARIES
380V AND ABOVE
G
CONNECT GREEN LEAD TO GROUND PER
BNATIONAL AND LOCAL ELECTRICAL CODE
(L1) |
| CONNECT BLACK AND WHITE LEADS | ||
W |
| TO SUPPLY CIRCUIT | ||
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(L2) |
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208V/230V ONLY | TO GROUND PER |
| NATIONAL ELECTRIC CODE |
INPUT PLUG (208V/230V ONLY)
245 244
10K
AT MINIMUM
OPTIONAL
REMOTE
AMPTROLTM
C | C | L5 | |
D | D | ||
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E | E |
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F |
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REMOTE
RECEPTACLE
236 232 260 235 | 240 216A | 245 244 | 209 210 | 312 311 | 201 204 314 313 | G4 220 G2 G1 216 G3 218 217 |
4 3 2 1 | 1211 10 9 8 7 6 5 4 3 2 1 | 8 7 6 5 4 3 2 1 | ||||
J4 | J3 | J2 |
| AUTO | MODE |
| BALANCE G | SWITCH |
| LED |
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236
R3231A
236A237
C4
H3 (HIGH)
H2 (LOW)
H1
P7
J7
4 3 2 1
G4 | G3 G2 G1 | |
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R4 R5
220220A 218A
220A
SCR1
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| FRONT |
240 | GANG |
AC | D |
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| A |
| E F |
C |
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| B |
S2
POS
POLARITY
SWITCH
| POLARITY SWITCH | MICRO SWITCH |
AC | OPEN | |
DC+ | CLOSED | |
DC- | CLOSED |
REAR GANG |
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H |
| NO |
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| NC 312A | 312 | |
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G |
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DC | S2A | 311A | 311 |
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(REAR VIEW,
SHOWN IN AC POSITION)
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| G | R |
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| AC | TIG LED | STICK LED |
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| BALANCE |
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| CONTROL |
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| PULSE | DIGITAL | |
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| DISPLAY | ||
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| CONTROL | ||
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| PULSE |
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| FREQ G |
| 1 |
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| LED |
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| THERMAL | J1 2 | |
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| LED | Y |
A | 1 | POSTFLOW |
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CONTROL |
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C | 2 |
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115VAC
W 221 | T2 |
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R 222 | L4 |
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201 
X3
TRIGGER 18VAC
204 
X4
209 
X5
POWER 18VAC
210 
X6
X1
78VAC
X2
X8 
232
115VAC
X7 
231
T1
217 |
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| AC |
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| SCR2 | 260 | 231A | |
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| G2 | 218 |
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| 218A |
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| ) | ( |
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| + |
| FAN |
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| 115VAC |
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| G3 |
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216 | SCR3 |
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216A |
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| X2 |
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| G4 |
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SCR4
SHUNT
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284
285
B | 3 | J5 | OUTPUT |
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D | 4 | CONTROL | 1 | |
5 |
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| 2 | ||
E | 6 |
| J6 | |
| 3 | |||
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| CONTROL PC BOARD | 4 |
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L1
_
) | ( |
W 221 | POS | D1 |
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R 222 |
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| DC | 231 |
| GAS VALVE | |
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| 235 |
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| SV1 |
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WORK
ELECTRODE
L3 L2
239 | 238 |
SPARK
GAP
ARC
STARTER
AS'BLY C3
T3
BYPASS/
STABILIZER
PC BOARD
285
284
284A 284B
R2 |
| R1 |
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285A 285B
C1,C2 | |
C3 | HIGH VOLTAGE CAPACITOR, .0025/10kV |
C4 | PHASE SHIFT CAPACITOR, 15/250VAC |
C5,C6 | |
CB1 | CIRCUIT BREAKER, 10A |
D1 | FREE WHEELING DIODE |
L1 | OUTPUT INDUCTOR (CHOKE) |
L2,L3 | HIGH FREQUENCY INDUCTORS |
L4,L5 | RF TOROID CHOKES |
R1,R2 | HOLDING RESISTORS, 100/100W |
R3 | PHASE SHIFT RESISTOR, 200/100W |
R4,R5 | MICRO START RESISTORS, 12/100W |
S1 | INPUT POWER SWITCH |
S2 | POLARITY SWITCH |
S2A | MICROSWITCH ON POLARITY SWITCH |
S4 | MAIN CHOKE THERMOSTAT |
SCR1,2,3,4 | MAIN POWER SCR'S |
SV1 | GAS SOLENOID VALVE, 115VAC |
T1 | MAIN TRANSFORMER |
T2 | HIGH VOLTAGE TRANSFORMER |
T3 | HIGH FREQUENCY TRANSFORMER |
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| COMPONENT VALUE |
LEAD COLORING CODE: | UNITS: | ||
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| RESISTORS: |
| OHMS/WATTS | ||
CAPACITORS: | |||
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| MFD/VOLTS |
CONNECTOR PIN NUMBERS: | |||
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| EXAMPLE: THIS IS PIN 7 | |
1 2 3 | 7 | OF CONNECTOR J4 | |
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8 | 14 |
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J4 | LATCH |
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VIEW OF CONNECTOR ON PC BOARD ELECTRICAL SYMBOLS PER E1537.
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G4549 B
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.
