Lincoln Electric IM637-A Welder User Manual


 
F-4
DIAGRAMS
F-4
PRO-CUT 55
ELEC
ELEC
xxxxxxx
CONTROL
S4 PRIMARY
LEFT SIDE OF MACHINE
360
J33
J37
S2
RESET
J5,J22,J36
15
14
217
216
J35
223
J4,J10,
S3
PSI_SET
J1,J20,
J33
54
B
U
R
S1
V
W
R
POWER
W
53
8
12V
N
56
H1
R
N
51
2
24V
203A
206
C1
1200/450
POWER
4
1
5
2
6
3
503
T3
277A
221
400-
460VAC
200-
ELECTRICAL SYMBOLS PER E1537
RECONNECT
L12066
12
3
4
13
4
6
1
5
4
1
8
7
6
12
N
E
18V
15
5
10
1
6
8
1
16
1
9
INPUT
WIRING DIAGRAM (CODES 11011, 11012, 11015 & 11016)
AUXILIARY
TRANSFORMER
J22
T2
4
H6
+
-
S
A
220-
230V
01/2
6/20
04
460V
200-
208V
H4
380-
415V
B
K
-
O
U
T
B
K
-
I
N
6
W
R
219
R = RED OR PINK
(VIEWED FROM COMPONENT SIDE OF BOARD)
W = WHITE
CONNECTOR CAVITY NUMBERING SEQUENCE
G = GREEN
B = BLACK OR GRAY
COLOR CODE:
DISPLAY
WORK
364
369
2
2W
10K
4
CW (MAX)
277
276
R1
R
W
Y
366
361
J20
J38
1
2
U = BLUE
N = BROWN
Y = YELLOW
X40
X10
W
X20
X3
0
X3
X2
7
3
XFMR
2
MAIN
T1
6
0.6A
+
D
SLOW BLOW
F
-
207
11
4
5
5
6
7
1
2
3
1
2
3
4
10
3
2
1
12
13
5
11 TRIGGER
12 GND
3 IGBT
J3
2,6 PSI SWITCH
10 ELEC SOL
9 AIR SOL
CT
TSTAT
RELAY
++VOLT
P_XFMR
B
S
BASE
F
R
-
O
U
T
PROTECTIVE BONDING CIRCUIT
CASE FRONT
B
K
-IN
I
B
K
-O
UT
I
64
61
62
Y
221
223
275
277
276
275
302
215
214
213
212
202
210
218
206
217
216
203
207
203
J1
202
202A
R
W
312
H5
J21
61
U
W
62
U
64
9
TP3
H1
5
TP2
TP1
H1
B
C
D1
INPUT
BRIDGE
209
207A
4
F
R
O
N
T
O
F
M
A
C
H
I
N
E
1. FOR MACHINES SUPPLIED WITH INPUT CABLE
FOR SINGLE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE.
CONNECT BLACK & WHITE LEADS TO SUPPLY CIRCUIT.
WRAP RED LEAD WITH TAPE TO PROVIDE 600V. INSULATION.
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
FOR SINGLE PHASE INPUT: GROUND MACHINE PER NATIONAL AND LOCAL ELECTRICAL CODES.
CONNECT TERMINALS U & W TO SUPPLY CIRCUIT.
FOR THREE PHASE INPUT: GROUND MACHINE PER NATIONAL AND LOCAL ELECTRICAL CODES.
CONNECT TERMINALS U, V & W TO SUPPLY CIRCUIT.
THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY NOT SHOW THE EXACT
COMPONENTS OR CIRCUITRY HAVING A COMMON CODE NUMBER.
N.B. SINCE COMPONENTS OR CIRCUITRY OF A PRINTED CIRCUIT BOARD MAY CHANGE WITHOUT AFFECTING
CONNECTION SHOWN IS FOR 440-460V OPERATION.
N.C. PLACE "A" LEAD ON APPROPRIATE CONNECTION FOR INPUT VOLTAGE.
N.D. C1 AND C2 CAPACITORS ARE A MATCHED SET.
J4
365
N.A.
J35
H1
H3
FAN
NOTES:
+15V
READY LED
277B
18V18V
J2
7,8 ELEC SHUNT (TWIST PR)
N
4,5 XFER SHUNT (TWIST PR)
G
RIGHT SIDE OF MACHINE
J5
PER
N.A.
306
303
302
309
230VAC
A
X4
203A
N.C.
S
E
MOTORS
W
401
X2
FAN
OUTPUT
PC BOARD
FAN
404
401
B21
L1
CHOKE
J40
J3
J40
AIR
11
S5
12
SOLENOID
13
PRESSURE
CONTROL
215
210
214
219
213
218
212
1
4
277A
306
9
14
15
6
16
7
8
503
209
205
501
RELAY
505
208
502
++VOLT
506
P_XFMR
507
J10
201
204
207A
202A
-
+
2
N
N
OUTPUT
11,12 = 12V
3,8 WORK
5, 10 ELECTRODE
J38
1 NOZZLE
X20
X40
5,6 ELEC SOL
3,4 AIR SOL
1,7 TRIGGER
POT
9
1
A
S
502
S
H3
S
H3
H2
S
FR-IN
S
8
Y
Y
CURRENT
C2
1200/450
TRANSFORMER
R
W
X4
1
3
R
2
4
2
4
1
3
404
Y
H4
7
201
H3
2
5
1
}
B
LOW_PSI LED
POT WIPER
RESET
GND
THERMAL LED
SAFETY LED
PSI SET
18V
6
3
H2
XFER
XFER
R
E
A
R
O
F
M
A
C
H
I
N
E
xxxxxxx
205
FR-O
U
T
FR-IN
S
W
310
3
354
4
5
6
7
8
8
9
7
10
6
5
10
4
9
5
3
8
2
2
7
4
1
3
6
X1
505
501
506
4
507
J2,J21,
J37,J39
208
204
H5
1
2
J39
211
RESET LED
8
211
A
A
9
8
12
11
10
365
343
360
3
2
6
4
344
1
5
5
10
4
9
3
8
2
7
16
7
8
3
2
6
4
1
5
7
1
2
3
2
6
4
309
1
5
5
10
4
9
3
8
2
7
1
6
E
G
54
51
347
348
4
2
361
366
56
369
53
364
303
310
312
354
J36
2,3 = 24V
4,8 OK TO MOVE
J39
1,2 TRIGGER
2 ELEC SOL
3 TRIGGER
4 IGBT
53
56
J30
1 AIR SOL
6 GND
223
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.