Lincoln Electric SVM146-A Welder User Manual


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ELECTRICAL DIAGRAMS
G-2
PRO-CUT 80
WIRING DIAGRAM - PRO CUT 80
1
++VOLT
6
RELAY
12 GND
11 TRIGGER
3 IGBT
2,6 PSI SWITCH
10 ELEC SOL
9 AIR SOL
214
7
210
275
J22
1
216
8
A
H4
TP2
18V
FRONT OF MACHINE
3
8
MAIN
P_XFMR
7
XFMR
202
10
PSI SET
ELEC
XFER
1
1,2 TRIGGER
+
204
4 ELECTRODE
204
208
TRANSFORMER
61
I
64
W
401
J10
P_XFMR
9
2
354
3
5
8
X2
312
7
J3
FOR SINGLE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE.
POWER
CONNECT BLACK & WHITE LEADS TO SUPPLY CIRCUIT.
WRAP RED LEAD WITH TAPE TO PROVIDE 600V. INSULATION.
MOTOR
FOR THREE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE.
CONNECT BLACK, RED & WHITE LEADS TO SUPPLY CIRCUIT.
2. FOR MACHINES NOT SUPPLIED WITH INPUT CABLE
2
FOR SINGLE PHASE INPUT: GROUND MACHINE PER NATIONAL AND LOCAL ELECTRICAL CODES.
CONNECT TERMINALS U & W TO SUPPLY CIRCUIT.
FAN
W
R
W
COMPONENTS OR CIRCUITRY HAVING A COMMON CODE NUMBER.
TRANSFORMER
OUTPUT
COLOR CODE:
B = BLACK
G = GREEN
R = RED
U = BLUE
PROTECTIVE BONDING CIRCUIT
N = BROWN
62
U
3000/450
C1
506
505
Y
Y
404
FAN
FAN
W = WHITE
203
H3
54
203
Y = YELLOW
H2
CASE FRONT
404
S4 PRIMARY RECONNECT
H5
H4
206
NOTES:
N.A.
1. FOR MACHINES SUPPLIED WITH INPUT CABLE
FAN
FR-OUT
202
306
309
AIR
SOLENOID
217
INTERFACE RECEPTACLE
R
W
J4,J10,
J30
Y
54
9
I
R
R
H
H3
210
3
1
N
N
6
R
J1
312
361
T2
B
4
5
51
2
343
344
348
1
C
H1
9
C
5,6 AIR SOL
7,8 ELEC SOL
J32
3 TRIGGER
11
12
4A
2A
ELECTRICAL SYMBOLS PER E1537
J30
L1
354
B
CONNECTOR CAVITY NUMBERING SEQUENCE
2
303
N
7,8 ELEC SHUNT (TWIST PR)
CT
X10
2
W
2
X3
X20
X2
A
3
2
6
18V
-
201
N.A.
PER
365
V
W
15
223
8
12V
N
213
H1
N
24V
U
B
14 GND
13
14
5
1
2
6
3
7
4
2
5
56
53
3
6
440-
E
S
xxxxxxx
N.C. PLACE "A" LEAD ON APPROPRIATE CONNECTION FOR INPUT VOLTAGE.
CONNECTION SHOWN IS FOR 440-460V OPERATION.
N.D. C1 AND C2 CAPACITORS ARE A MATCHED SET.
H2
J2
4
J3
T1
J5,J22,
J34
4
1
4
503
6
3
CURRENT
(VIEWED FROM COMPONENT SIDE OF BOARD)
A
277B
7
209
CONTROL
302
9
S3
PSI_SET
4
J1,J20
J33
J2,J21,J31
LEFT SIDE OF MACHINE
277
DISPLAY
+
-
6
S
CW (MAX)
276
R1
15
7
R
1
275
221
2
16
277
3
8
W
4
8
6
2
5
3
4
8
309
303
2
5
PC BOARD
276
213
4
9
6
219
215
J40
215
2W
205
501
62
POWER
AUXILIARY
64
GC
401
A
A
0.6A
310
J32
FR-OUT
277A
61
507
FAN
1
415V
S
FR-IN
201
4
B
221
J21
J
344
W
366
FE
G
A
1
7
L10936
5
212
5
10K
216
W
4
2
6
8
16
C
B
N
18V
CONTROL
4,5 XFER SHUNT (TWIST PR)
5
12
13
10
J5
5
3
1
1
3
2
205
ELEC
4
11
3
J33
+
207
POT
277A
Y
Y
7
14
1
8
4
8
1
5
3
6
1
4
2
1
4
15
3
5
10
1
1
XFER
REAR OF MACHINE
E
F
-
207
INPUT
xxxxxxx
3000/450
C2
H6
T3
207A
N.C.
J20
1
306
2
369
4
364
4
J40
6
51
1
220-
200-
230V
208V
OUTPUT
380-
460V
14
223
11
12
348
PRESSURE
L
14
K
343
212
D
502
FAN
I
1
9
X30
302
E
X40
X4
X40
X20
310
8 AIR SOL
2 ELEC SOL
J34
1,4 24V
X1
10
4
214
8
W
10
219
S
13
S
S
S
115V
Y
TSTAT
8
3 NOZZLE
J31
9
347
6
206
366
203
XL-RW
S
BK-IN
2
R
218
3
S
BK-OUT
217
6
2
7
BK-IN
218
BK-OUT
FR-IN
4A
WORK
2A
M
10 WORK
360
13 IGBT
365
506
505
502
RIGHT SIDE OF MACHINE
8
12V
CHOKE
347
7
S2
RESET
R
S1
53
56
5
207A
7
TP3
TP1
U
H5
Y
B
D1
INPUT
BRIDGE
A
503
6
18V
3
A
D
209
507
501
++VOLT
RELAY
208
202
BASE
FOR THREE PHASE INPUT: GROUND MACHINE PER NATIONAL AND LOCAL ELECTRICAL CODES.
CONNECT TERMINALS U, V & W TO SUPPLY CIRCUIT.
N.B. 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
RESET LED
THERMAL LED
GND
RESET
POT WIPER
LOW_PSI LED
READY LED
+15V
5
J4
4
2
7
369
360
3
364
E
N
2
4
9
S5
4
10
1
361
5
206
B21
SHOWN FOR 400-460VAC OPERATION
X4
207A
SLOW BLOW
G-2
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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.
G4239
G4238
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