Lincoln Electric PRO-CUT 40, Operator'S Manual, Page: 26 / 30

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+
-
ELECTRICAL SYMBOLS PER E1537
BOARD
BOARD
+
H1 H2
H3
Y
18V
W
24V 115V
T1
FAN MOTOR
12 401
12
12
C1
R4 R5
25 25W 25 25W
9
402
5
8
309
310
T3
CURRENT TRANSFORMER
+
12
12
25 25W
25 25W
9
404
403
C2
12
4
1
1
4
T2
MAIN TRANSFORMER
R1
7500 25W
12
308
307
13
13
13 13
12
OFF
ON
AC1
D9
AC2 AC3 H1
TP1
TP3 TP2
I
I
5
8
307
308 309 310
311
312
306 305 302 303 304 275D
POWER BOARD
CONNECTOR CAVITY NUMBERING SEQUENCE (VIEWED FROM COMPONENT SIDE OF BOARD)
NOTES:
COLOR CODE:
B = BLACK G = GREEN R = RED W = WHITE Y = YELLOW
INPUT
PER N.A.
U
O
402, 404
401, 403
4, 5
1, 8
W
R
W
R
R
W
R
W
401, 403
1, 8
4, 5
POWER
S1
U = BLUE O = ORANGE
2
3 1
7 8
J7
J6
402, 404
T1 T2 T3
L3
L2
L1
SWITCH
1600 F 450V
+
-
+
-
SWITCH
1600 F 450V
INPUT RECTIFIER
A
208
230
H3
H2
A
TS1
AUXILIARY TRANSFORMER
2
4 5
6 1 3
DRIVER BOARD
3
6
4
4
4
1
1
1
63
3
2
J8
J9
J10
9
10
2
5
25
F F
F F S S
S S
TOP OUTSIDE
TOP OUTSIDE BOTTOM INSIDE
BOTTOM INSIDE
S S
S
S
F
F
F
F
TOP INSIDE
TOP INSIDE
BOTTOM OUTSIDE
BOTTOM OUTSIDE
7 6
8 4 5
OR TERMINAL 230 FOR 220V-230V INPUT.
9 6 5 4 8 7 2
1
U
W
O
Y
24V
J15
J1, J16
215
215A
W W
J5
N.D.
N.C. CONNECT LEAD "A" TO TERMINAL 208 FOR 200V-208V INPUT,
N.C.
J8
J9, J10, J13, J17
J2, J7, J12, J31
J4, J6, J14
J18
J5, J19
R3 R2
CR2 N.O. CR3 N.O.
CR1 N.O. CR4 N.O.
R R U
U
H1
U U
R 224A R 224B
D2
D1
PURGE/RUN
CHOKE
WORK
SAFETY
RESET R11
R11
CW (MAX.)
10K
2W
77A
276
275A
L3
4
1
2 5
3
6
215A 215B
255A
W
R Y
PRESSURE SWITCH
AIR SOLENOID
SV1
10
5
255/255A
255B
229
R12
R13
12
300W
12
300W
20K
5W
R10
C6 .68/400
CHOKE L4
W
B
C8
.1/400
TORCH CONN. PANEL
PILOT
1 4
1 2 3 4
J20
2 3
HF TRANSFORMER
T4
J18
272
S6
215C
8 1
2 6 5 4 3 9 7
215D
J19
215B
328 327
601 602 603 604
HIGH FREQ MODULE
607
R15
20K 5W
C5
5/660VAC
S2 S5
224B
224A
LOCKED FAN
THERMOSTAT
271
255B
S3
S4
150 5W
R14
255C
THERMOSTAT
B W
W W
1 2
1
3 4 5 6 7 8 9
2
10
J4
1 3 4 5
6
7 8 2
J2
1
3 4 5 6 7 8 2 10
1 3 4 5 6 7 8 9 2 10
11
12 13 14 15
16
J1
1
3 4 5 6 7 8 9 2
10
11 12 13 14 15
16
1 3 4 5 6 7 8 2
1
3 4 2
J3
5 6
J12
1 10
J14
1
2345
6
J13
MICRO CONTROL
CONTROL BOARD
BOARD
2-24-95D L8279
303
1 2 3 8
9
J16
801
802 803 804 805
806 807 808
501 502 503 504 505
507 508 509
510
511
513 514 516
10
W
W
2 3 9 4 5 6 7 8
5
5 6
J17
215
215C 215D
RR
WW
WW
R
R
FOR TESTING ONLY
N.A. INPUT CORD MAY BE PRESENT FOR CONNECTION TO SUPPLY CIRCUIT N.D. THREE PHASE UNITS CONTAIN T2, AC2, TP1 & TP2. N.E. LEADS ARE SHOWN AS TWISTED PAIRS.
ELECTRODE
H1
11
12 13 14
327 328 276 275A
275D 270 271 272 255
302
304
304
306
W
J31
OUTPUT CONTROL
BOARD STATUS
N.E.
N.E.
N.E.
4
4
305
B
7
G
608
77A
C9
.0047/1400
C7
.0047/1400
270
1 3 4 5 6 7 8 9 2
10
11
12
GND
1 3 4 5 6 7 8 9 2 10
11
12 13 14
ELECTRICAL CODE.
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
2 3 4 1
HF FILTER BOARD
J3,J32
J32
J33
J33
B3
(TOP)
(BOTTOM)
B2
B1
SNUBBER
BOARD
2A
3A 4A
1A
229A
4A
3A
2A 1A
229A
607A
608A
607A
608A
H4
OUTPUT RECTIFIER
H4
606 605
229B
229B
9B
9B
9B
9A
9A
9A
F
S
F S
N.F.
CONNECT GREEN LEAD OF INPUT CORD TO GROUND OR GROUND TERMINAL PER NATIONAL N.F. EARLIER VERSIONS USED 20 OHM RESISTOR FOR R12 & R13.
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diag
ram 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. G
ive the equipment code number..
WIRING DIAGRAM - PROCUT 40