Lincoln Electric 10474 Welder User Manual


 
F-1
DIAGRAMS
F-1
PRO-CUT 55
WIRING DIAGRAM PRO-CUT 55 FOR CODES 10473, 10474
ELECTRICAL SYMBOLS PER E1537
12
34
13
4
6
1
4
8
5
CONNECTOR CAVITY NUMBERING SEQUENCE
(VIEWED FROM COMPONENT SIDE OF BOARD)
NOTES:
COLOR CODE:
R = RED
1
7
8
14
FOR THREE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE.
CONNECT BLACK, RED & WHITE LEADS TO SUPPLY CIRCUIT.
WRAP RED LEAD WITH TAPE TO PROVIDE 600V. INSULATION.
FOR THREE PHASE INPUT: GROUND MACHINE PER NATIONAL AND LOCAL ELECTRICAL CODES.
CONNECT TERMINALS U, V & W TO SUPPLY CIRCUIT.
CONNECT TERMINALS U & W TO SUPPLY CIRCUIT.
CONNECT BLACK & WHITE LEADS TO SUPPLY CIRCUIT.
FOR SINGLE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE.
FOR SINGLE PHASE INPUT: GROUND MACHINE PER NATIONAL AND LOCAL ELECTRICAL CODES.
W = WHITE
B = BLACK
G = GREEN
Y = YELLOW
N.A.
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
COMPONENTS OR CIRCUITRY HAVING A COMMON CODE NUMBER.
1. FOR MACHINES SUPPLIED WITH INPUT CABLE
2. FOR MACHINES NOT SUPPLIED WITH INPUT CABLE
N.C. PLACE "A" LEAD ON APPROPRIATE CONNECTION FOR INPUT VOLTAGE.
CONNECTION SHOWN IS FOR 440-460V OPERATION.
J5
H1
T3
T2
H1
INPUT
PER
N.A.
POWER
S1
H3
W
VU
1
2
4
B
W
G
A
R
H1
AUXILIARY
TRANSFORMER
FAN
MOTORS
H3
202A
203A
203
203
207
207
202
206
202
H2
H2
H5
6
H5
H4
3
A
N.C.
CURRENT
TRANSFORMER
10K
2W
R1
A
B
C
D
F
+
-
TP1
TP2
TP3
INPUT
BRIDGE
R
Y
W
REAR OF MACHINE
FRONT OF MACHINE
H3
FAN
FAN
H3
H1
209
207A
207A 3/8 @E333333@E333333R 440-460V OPERATION.
J1
62
61
64
18V
18V
CHOKE
WORK
CW (MAX)
RIGHT SIDE OF MACHINE
LEFT SIDE OF MACHINE
12V
53
56
S
L1
364
369
361
366
CONTROL
DISPLAY
J2
212
214
213
215
216
217
218
219
210
277
276
275
221
223
223
221
275
276
277
J3
303
306
302
312
344
302
J5
501
502
503
505
506
507
S~ Ae 7/16 j 15/32 X−@E333333R 440-460V OPERATION.
J4
401
404
2
E
D1
8
N
3
N
4
5
9
U
62
64
W
61
U
1
9
J3
8
16
1
5
6
10
J32
1
15
J40
S3
PSI_SET
S2
RESET
1
3
4
2
1
3
7
6
5
8
4
9
10
2
1
3
5
4
7
6
8
9
10
15
11
12
13
14
J40
212
214
213
215
216
217
218
219
210
2
1
3
7
6
5
8
4
1
3
2
5
4
6
Y
Y
S5
PRESSURE
2
1
3
7
6
5
8
4
9
10
11
12
13
14
310
16
15
150
309
1
306
4
AIR
SOLENOID
N
N
2
1
3
4
5
6
7
8
9
W
CONTROL
POT
277A
277A
220-
230V
200-
208V
380-
415V
H4
440-
460V
A
0.6A
SLOW BLOW
I
I
201
205
FR-OUT
S
S
FR-IN
T1
MAIN
XFMR
BK-IN
BK-O
U
T
204
208
S
S
Y
Y
FR-O
UT
S
FR-IN
BK-IN
BK-OUT
S
205
208
209
203A
206
C1
1200/450
+
-
401
404
xxxxxxx
501
502
503
505
506
507
1
CT
TSTAT
RELAY
++VOLT
P_XFMR
RESET
THERMAL LED
PSI SET
POT WIPER
RESET LED
GND
18V
+15V
READY LED
LOW_PSI LED
12 GND
2,6 PSI SWITCH
4,5 XFER SHUNT (TWIST PR)
7,8 ELEC SHUNT (TWIST PR)
RELAY
++VOLT
P_XFMR
3
2
5
4
6
204
201
207A
202A
C2
1200/450
+
-
18V
A
B
C
B
C
A
(ž 9/64 I@ @
(ž 9/64 I@ @
J32
J32
B21
5/64 "{œ 1/64 @E333333@E333333PR)
J31
J30
J30
364
366
365
361
56
53
51
54
360
369
303
309
344
312
310
XFER
ELEC
12V
XFER
ELEC
2
4
2
1
3
7
6
5
8
4
9
10
7,8 ELEC SOL
5,6 AIR SOL
1,2 TRIGGER
10 WORK
3 NOZZLE
3 NOZZLER
2
1
3
7
6
5
8
4
9
10
11
12
13
14
2
1
3
4
J33
Ko"ÞAdm0‘Ý 17/32 @@
1
3
2
5
4
6
1,4=24V
X10
X40
X
3
0
3 IGBT
11 TRIGGER
10 ELEC SOL
9 AIR SOL
S
S
E
N
N
W
365
360
X
2
0
X
4
X
1
X
2
X
3
A
B
3
7
2
6
U = BLUE
N = BROWN
OUTPUT
xxxxxxx
POWER
J10
J22
J21
J20
277B
O1g 9/64 19/32 &Abhim 57/64 Øp@ @
O1g 9/64 19/32 &Abhim 57/64 Øp@ @
400-
460VAC
200-
230VAC
24V
51
54
2
R
6
R
8 AIR SOL
2 ELEC SOL
3 TRIGGER
13 IGBT
14 GND
361
4 ELECTRODE
2
4
S4 PRIMARY
RECONNECT
J4,J6,
J7,J30
J2,J8,J31
X2
X4
X40
X20
L10634
R
W
R
W
W
R
W
R
G
BASE
OUTPUT
PC BOARD
CASE FRONT
PROTECTIVE BONDING CIRCUIT
N.D. C1 AND C2 CAPACITORS ARE A MATCHED SET.
J1,J20
8-7-98A
2
E
E
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..
ENHANCED DIAGRAMS