How it Works
IDEAL ARC
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DC400
Schematic
8 pgs520.1 Kb0

IDEAL ARC DC400 Schematic

G-2
ELECTRICAL DIAGRAMS
IDEALARC DC400
Wiring Diagram (Codes 9847, 9848)
L91 06
12- 9-94 F
H2
H3 H4
1
1
2
4
3
1
6 P IN4 P IN 8 P IN 12 PIN
J6J3 J2
CON NEC TOR CAV ITY NUM BER ING SEQ UEN CE (CO MPO NEN T SI DE OF P .C. BOA RD)
NO TES
225
4 2 31 32 7 5 76 7 7
225
TS1
TS2
C6 .00 47M FD/1 400 V
10K /2W
ARC FO RCE CON TRO L
S4C ACT UAT ED IN CC ONLY
S4D ACT UAT ED
218
204 20 8 209
R5
228
204
219
217
204
GRE EN
216
CHO KE
OUT PUT
L1
MOD E S WIT CH
S4A
CC
CC
S4B
F
3
2
1
S 216
R1
219
15 / 100 W
ARC CO NTR OL
CON TRO L B OARD
1 2 3
4
5 6
J6
STA RTI NG
BOA RD
P6
225
VM
206
231
+
+
-
-
224
224
75
211
R4
10K /2W
OUT PUT
CON TRO L
S2
OUT PUT CO NTRO L
SWI TCH
32A
76
212
211
213
77
S3
SWI TCH
32
4
SWI TCH
MUL TI- PRO CESS
OPT ION AL
+
-
WOR K
ELE CTR ODE
4
2
TO NEG .
TER M.
TO POS .
TER M.
232
PIL OT LIG HT
SWI TCH
POW ER
S1
225
P2
209 214 217 204 206 206 208
1 2
3 4 5 6 7 8 9
J2
10
11
12
205
205
212
75
213
J1
8
7
6
5
4
3
2
1
201 202 203 204
4
P1
1
2
3
4
J3
P3
AUX ILI ARY
10
7
4
1
16
P5 1 2 3 4 5 6 7 8
J5
SNU BBE R
BOA RD
204
GRE EN
224
225
223
222
221
220
D1
D2
D3
SCR 1
SCR 2
D4
204 G3 G2 G1
204
204
205
206
216
215
CR3
SHU NT
SWI TCH
REE D
204
REC TIF IER ASS EMB LY
C1 C2 C3 C4 C5
+ +
+
+
+
31, 000 MFD 50V EA CH
254
204
0.5 / 50W
0.5 / 50W
10A SLO W BLO W
R7
R8
F2
OPT ION
T1 MAI N TRA NSF ORM ER
CAP ACI TOR DIS CHA RGE
REL AY
CR4
4
231
231
115 V
X2
X1
232
31
32A
CON TACT OR
CR1
X1
233
TO SUPP LY
LIN ES
H4
4
5
6
9
8
7
11
12
21V
18
3
6
9
S
S
S
X2 SEC
X1 SEC
X3 SEC
17
2
5 8
201
FAN MO TOR
H1
CON NECT OR
INP UT CON NECT ION
DI SCH ARG E
CAP ACI TOR
+ -
S5
SCR 3
202
203
1
5
6 7 8
31 32 228
215
218
N.C.
N.O.
N.C.
N.O.
METE RS
(SH OWN CO NNEC TED FOR 22 0 V .)
TO GRO UND
PER NA TION AL
ELE CTR ICAL
COD E
H2
H3
11
3
2
1
CON TACT OR
CR1
X1
233
TO SUPP LY
LIN ES
H1
(SH OWN CO NNEC TED
REC ONNE CT PAN EL
H2
H3
TO PRIM ARY CO ILS
COI LS
TO PRIM ARY
232
CON TACT OR
CR1
X1
233
TO SUPP LY
LIN ES
4
5
6
9
8
7
H1
3
2
1
H2
H3
232
N.B .
220 /38 0/4 40 V OLT AGE
N.A .
380 /50 0 V .
N.B .
N.A .
H2
H3 H4
E15 37
1
5 6
4
3
2
1 2 3 4 5 6
2 3 4
2 3 4
7 8 9 10 11 12
6 P IN4 P IN 12 PIN
J6J3 J2
CON NEC TOR CAV ITY NUM BER ING SEQ UEN CE (CO MPO NEN T SI DE OF P .C. BOA RD)
4 2 3 1 32 75 76 7 7
TS2
218
204 20 8 209
R5
214
218
234
217
216
CHO KE
OUT PUT
L1
FRO NT GAN G
S4A
CC
CC
S4B
F
3
2
1
S 216
234
SWI TCH
CON TRO L B OARD
1 2 3
4
5 6
J6
STA RTI NG
BOA RD
P6
225
AM
206
231
+
+
-
-
224
224
210
R4
OUT PUT
CON TRO L
76
212 210
211
213
77
+
-
WOR K
ELE CTR ODE
4
2
TO TER M.
STR IP
232
PIL OT LIG HT
SWI TCH
POW ER
S1
225
209 214 217
204 206 206
208
1 2 3 4 5 6 7 8 9
J2
10
11
12
205
205
212
75
213
J1
8
7
6
5
4
3
2
1
201 202 203 204 225
220
1
2
3
4
J3
COI LS
PRI MAR Y
TOP
10
7
4
1
BOT TOM
PRI MAR Y
P5 1 2 3 4 5 6 7 8
J5
SNU BBE R
BOA RD
204
GRE EN
224
225
223
222
221
220
D1
D2
D3
SCR 1
SCR 2
D4
204 G3 G2 G1
204
204
205
206
216
215
CR3
SHU NT
SWI TCH
REE D
REC TIF IER ASS EMB LY
C1 C2 C3 C4
+ +
+
+
+
31, 000 MFD 50V EA CH
254
204
0.5 / 50W
0.5 / 50W
10A SLO W BLO W
R7
R8
F2
OPT ION
CAP ACI TOR DIS CHA RGE
REL AY
CR4
4
231
231
115 V
X2
204
115 V
11
12
3
6
9
X2 SEC
X1 SEC
X3 SEC
2
5 8
201
INS ULAT E A S
T2 CONT ROL
DIA GRAM
DI SCH ARG E
CAP ACI TOR
+ -
S5
SCR 3
202
203
1
6 7 8
32 228
215
218
10
12
FLE X LE AD
JUM PER
230 /40 0 VO LTA GE
T0 PRIM ARY CO ILS
11
10
12
W
V
u
L1
L2
L3
18
17
16
3
2
1
W
V
U
L1
L2
L3
L1
L2
L3
W V
U
41
42
42
2
41
41
SEC OND ARY
PRI MAR Y
CIR CUI T
BRE AKE R
42A
42V
S
241
115 V
S
21V
31
41
21
75
76
77
4
2
32
N. A.
42
51
52
50
2A
CIR CUI T
BRE AKE R
S
220 V
N.C .
41
9
10
2
240
Y
42
LIG HT
MIN . I ND. (5)
MAX. IN D.
(1)
N.A . C IRC UITR Y P RESE NT ON
CAP ACI TOR DIS CHA RGE ONL Y.
N.B . T APE UP SEP ARAT ELY
TO PRO VID E AT LE AST
60 0 V INS ULAT ION .
N. C. 2 20V WIN DIN G, PLUG
50 /60 HER TZ W ELD ER.
10A CIR CUI T BRE AKE R
W
233
233
10A MP
THE RMO STA T
THE RMO STA T
N.B .
N. D.
21V
N. D. 3 1 A ND 3 2 A RE NOT
PR ESEN T O N EU ROP EAN MO DELS .
TER MIN ALS
2
CON TAC TOR
CR1
U
V
W
X1
23 3
4
5
6
9
8
7
H1
3
2
1
H2
H3
COI LS
TO PRI MARY
23 2
CON TAC TOR
CR1
U
V
W
X1
23 3
TO SUP PLY
LIN ES
H1
3
2
1
23 2
H2
H3
N. B.
N. B.
L1
L2
L3
TO SUP PLY
LIN ES
L1
L2
L3
REC ONNE CT PAN EL
1
2
3
FOR 38 0 V .)
REC ONNE CT PAN EL
REC ONNE CT PAN EL
DOE S N OT A PPE AR O N
THI S C ONNE CTI ON
H1
15 6 7 8
15 6 7 8
10 PIN
J5 J1
10
9
AN D CI RCU IT B REA KER
AR E PR ESE NT O NLY ON
STU D GRO UND ING
LEA D N OT PRES ENT WIT H DIO DE OPT ION
DIO DE OPT ION
N.E .
N.E . C IRC UITR Y P RESE NT ON
DIO DE OPT ION ONL Y.
THE RMA L
PRO TEC TION
TRA NSFO RME R
SHO WN O N
21
224
VOL TME TER
SWI TCH
S6
21
225
+
R3
R2
227
204
R3
R2
7.5 / 100 W
40 /5 0W
OUT PUT
CV- FCA W/GM AW
CV- SUB AR C
CV- FCA W/GM AW
CV- SUB AR C
ON LY
CV- FCA W/GM AW
22 0/3 80/4 40V AND
230 /40 0V M ACH INES
TO GRO UND
PER NA TION AL
(SH OWN CON NEC TED
FO R 2 30 V .)
TO GRO UND PER NA TION AL
TO GRO UND
PER NA TION AL
DUA L & SING LE VO LTAG E
UND ER 3 46 V OLTS
(SH OWN CONN ECTED FOR
LOW VOL TAGE )
COD E
SI NGLE VO LTAG E O VER
3 45 V OLT S
TO GRO UND PER
NAT ION AL E LEC TRIC AL
ELE CTR ICAL CO DE ELE CTR ICAL CO DE
ELE CTR ICAL CO DE
205 206
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.
G-3
ELECTRICAL DIAGRAMS
IDEALARC DC400
Wiring Diagram (Code 9850)
L91 07
13 14 15 16 17 18
H2
H3 H4
EL ECTR ICA L SY MBO LS P ER
E1 537
CO NNEC TOR CAV ITY NU MBER ING SEQ UEN CE (C OMPO NEN T SI DE OF P .C. BO ARD)
NO TES
N. A.
CI RCUI TRY PRE SEN T ON CA PACI TOR DIS CHA RGE ON LY.
TO PRO VID E AT LE AST 60 0 V INS ULAT ION .
CO NTRO L B OARD
P6
20 6
20 5
VM
AM
20 6
23 1
+
+
-
-
23 2
PI LOT LI GHT
SW ITCH
PO WER
S1
22 5
22 5
P2
20 9 21 4 21 7 20 4 20 6 20 6 20 8
1 2 3 4 5 6 7 8 9
J2
10
11
12
20 5
20 5
21 2
75
21 3
J1
8
7
6
5
4
3
2
1
20 1 20 2 20 3 20 4 22 5
22 0
4
P1
1
2
3
4
J3
P3
AU XILI ARY CO ILS
PR IMAR Y
TO P
10
7
4
1
BO TTOM
PR IMAR Y
16
P5
1 2 3 4 5 6 7 8
J5
SN UBBE R
BO ARD
20 4
GR EEN
22 4
22 5
22 3
22 2
22 1
22 0
D1
D2
D3
SC R1
SCR 2
D4
20 4 G3 G2 G1
20 4
20 4
20 5
20 6
21 6
21 5
CR 3
SH UNT
SW ITCH
RE ED
20 4
RE CTIF IER AS SEMB LY
C1 C2 C3 C4 C5
+ +
+
+
+
31 ,000 MF D 50 V EA CH
25 4
20 4
0. 5 / 50W
0. 5 / 50W
10 A SL OW BL OW
R7
R8
F2
OP TION
T1 MAI N
TR ANSF ORM ER
CA PACI TOR DI SCHA RGE
RE LAY
CR 4
4
23 1
23 1
11 5V
X2
X1
23 2
31
32 A
20 4
CON TACT OR
CR1
X1
23 3
H2
TO SUP PLY
LIN ES
H3
H4
4
5
6
3 9
8 2 7 1
REC ONN ECT PAN EL
23 0/46 0/5 75V.
TO GRO UND PER NA TION AL
EL ECTR ICA L CO DE
12
18
3
6
15
9
S
S
S
X2 SEC
X1 SEC
X3 SEC
17
2
5
14
8
20 1
FA N MO TOR
H1
CON NECT OR INS ULAT E A S SHO WN O N INP UT CON NECT ION DIA GRAM
D ISCH ARG E
CA PACI TOR
+ -
SC R3
20 2
20 3
ME TERS
TA PE U P S EPAR ATE LY
W
U
41
42 42
2
41 41
10 AMP
CIR CUI T
BRE AKE R
SEC OND ARY
PRI MAR Y
THE RMO STAT S
42V
42A
S
21 V
11 5V
S
21 V
21 V
41
2
42
Y
9
10
N. B.
W
23 3
23 3
LI GHT
24 0
24 1
V
L1
L2L3
N. B.
N. B.
N. A.
225
4 31 3 2
TS1
TS2
C6 .00 47M FD/1 400 V
10K /2W
218
204 208 2 09
R5
228
204
219
217
204
GRE EN
216
MOD E S WIT CH
S4A
CC
CC
S4B
F
3
2
1
S 216
R1
219
15 / 100 W
ARC CO NTR OL
6
J6
STA RTI NG
BOA RD
224
224
75
211
R4
10K /2W
OUT PUT
CON TRO L
S2
OUT PUT CO NTRO L
SWI TCH
76
212
211
213
77
SWI TCH
MUL TI- PRO CESS
OPT ION AL
+
-
WOR K
ELE CTR ODE
2
TER M.
TO POS .
TER M.
S5
31
32
228
215
218
N.C.
N.O.
N.C.
N.O.
N.A .
2 75 76 7 7
218
214
218
234
204
216
CHO KE
OUT PUT
L1
FRO NT GAN G
CC
CC
F
3
2
1
S
234
219
SWI TCH
1 2 3
4
5
J6
224
224
210
R4
CON TRO L
210
+
-
4
TO TER M.
STR IP
TO NEG .
S5
N. A.
MIN . I ND. (5)
MAX. IN D.
(1)
ARC FO RCE CON TRO L
32A
S3
SWI TCH
32
4
31
41
21
75
76
77
4
2
32
42
10A CIR CUI T BRE AKE R
TER MIN ALS
2
OUT PUT
(S HOWN CO NNEC TED FOR 23 0 V .)
TO PRI MAR Y
C OILS
1
1
2
4
3
1
6 P IN4 P IN 8 P IN 12 PIN
J6J3 J2
1
5
6 7 8
1
5 6
4
3
2
1
6 P IN4 P IN 12 PIN
J6J3 J2
1
6 7 8
15 6 7 8
15 6 7 8
10 PIN
J5 J1
10
9
STU D
GRO UND ING
DIO DE OPT ION
N.C .
LEA D N OT PRES ENT WIT H DIO DE OPT ION
CI RCUI TRY PRE SEN T ON
N. C.
DI ODE OPT ION.
TH ERMA L PR OTEC TIO N
T2
CO NTRO L
TR ANSF ORM ER
12- 9-94 F
225
S4C
ACT UAT ED
IN CC ONLY
21
224
VOL TME TER
SWI TCH
S6
21
R3
R2
22 7
20 4
R3
R2
7. 5 / 100 W
40 /5 0W
CV- FCA W/G MAW
CV -SUB AR C
CV- FCA W/G MAW
CV -SUB AR C
S4D ACT UATE D
ON LY
CV- FCA W/GM AW
13
22 5
2 3 4 5 6
7 8 9 10 11 12
2 3 4
2 3 4
G-3
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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.
G-4
ELECTRICAL DIAGRAMS
IDEALARC DC400
Control PC Board (G2588) Layout
SHT.
NO.
G
ID EAL ARC DC- 400
25 88- 1
CON TRO L P. C. BOAR D A SSE MBLY
IDE NTI FICA TIO N
PAR T N o.
REQ 'D.
ITE M
C23
A
E
M
G
K
B
F
C
R315
R38
R37
R65
R82
R83
R102
R36
R35 R101
R64
R104
R63
R55
R66
R57
R59
R58
R139
R56
R127
R145
R144
R143
R94
R120
R126
R40
R45
R41
R42
R74
R75
R73
R119
R129
R90
R121
R130
R131
R123
R46
R48
R47
R77
R72
R52
R76
R68
R54
R69
R53
R70
R97
R106
R122
R96
R51
R49
R50
R109
R107
R110
R108
R138
R100 R125 R124 R85
R98 R99
R95
R44
R132
R80
R88
R134 R135
R137
R89
R61
R60
R62
R128
R91
R142
R105
R103
R111
R156
R300
R301
R302
R303
R304
R305
C56
C59
C68
C67
C61
C60
C58
C57
C45
C31
C19
C34
C16
C18
C17
C30
C25
C38
C37
C36
C32
C22
C20
C15
C39
C35
C26
C33
C24
DZ4
DZ6
DZ8
D82
D52
D51
D49
D55
D50
D31
D64
D54
D23
D22
D29
D25
D34
D35
D33
D32
D60
D59
D24
D30
D26
D42
D41
D43
D28
D45
D44
D53
D27
D61
D47
D40
D58
D57
D63
D56
D36
D37
D46
D48
D79
X3
X4
X1
X2
X6
R67
R71
R148
Q4
Q3
Q1
Q8
Q6
Q5
C14
C51
DZ7
R149
DC4 00 CONT ROL
D
N
J
I
H
G25 88- 1
R328
R327
R326
R325
R324
R323
R322
R321
R320
R319
R318
R317
R316
R314 R313 R312
R152
R153
R118
R116
R147
R6
R13
R87
R34
R5
R12
R86
R33
R4
R11
R10
R32
R19
R16
R22
R8
R18
R15
R21
R7
R17
R14
R31
R25
R30
R24
R29
R23
R140
R115 R93
R146
R20
R306
R307
R308
R309
R310
R9
R311
C12
C11
C10
C9
C8
C7
C6
C5
C4
C44
C41
C3
C2
C1
C43
C40
DZ12
DZ3
DZ2
DZ1
DZ5
D70
D69
D68
D21
D20
D19
D73
D71
D72
D81
D80
D10
D77
D75
D78
D62
D74
D65
D66
D67
D18
D3
D17
D2
D16
D6
D9
D15
D5
D8
D14
D4
D7
D13
D12
D11
D76
D1
DZ14
DZ10
DZ9
DZ13
X7
J1
J2 J3
OCI1
R154
R155
R3
R2
R1
R117
R28
R27
R26
R81
R78 R79
R151
R114
R112
R113
SCR3 SCR2
SCR1
Q2
X5
QU3
QU1
QU2
R141
R150
G-4
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NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty. Individual Printed Circuit Board Components are not
available from Lincoln Electric. This information is provided for reference only. Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result
in danger to the Machine Operator or Technician. Improper PC board repairs could result in damage to the machine.
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