Lincoln Electric IM422 PRO-CUT 40 - Manual (Page 26)

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+
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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