Lincoln Electric IM678 RED-D-ARC EX350i - Manual (Page 30)

F-7 DIAGRAMS F-7
EX350 i
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..
FAN
FRONT OF M ACH INE
MAIN XFMR
205
201
2. F
OR MACHINES NOT SUP
PL
IED WITH INPUT CABL
E
F
OR SING
LE
P
HA
SE INPUT: GR
OUND MACHINE PER NATIONAL A
ND LOCAL EL
ECTRICAL CODES
.
CONNECT
TERMINAL
S U & W TO SUPP
LY
CIRCUIT.
F
OR
THRE
E P
HA
SE INPUT: GR
OUND MACHINE P
ER NATIONAL A
ND LOCAL EL
ECTRICAL CODE
S.
CONNECT
TERMINAL
S U, V & W TO
SUPP
LY
CIRCUIT.
H3 H2
RECONN
ECT H5 H4
NOTES:
N.A. 1.
F
OR MACHINES S
UP
PL
IED WITH INPUT CABL
E
F
OR SINGLE PH
AS
E INPUT: C
ONNECT GREEN LE
AD
T
O
GR
OUND PER NATIONAL E
LECTRICAL CODE.
CONNECT BLAC
K AND WHITE LE
AD
S TO SUPP
LY CIRCUIT.
W
RA
P RED L
EAD WITH TAPE TO PROVIDE 600
V. INSUL
ATION.
F
OR
THREE
P
HA
SE INPUT: CONNECT
GREEN L
EAD
TO
GR
OUND PER NATIONAL E
LECTRIC CODE.
CONNECT BLAC
K, RED & WHITE L
EA
DS TO SUPP
LY CIRCUIT.
FAN
X10
X3
X20
X2
3
2 6
N.C. P
LA
CE
"A
" L
EAD ON AP
PROPRIATE CONNECTION F
OR
INPUT VOLTAGE.
C
ON
NE
CT
IO
N S
HO
W
N I
S F
OR
550-57
5V
O
PER
AT
IO
N.
A
LE
FT
SIDE OF MACHINE
204
A
A
208
B
G3810
WIRING D
IAGR
AM E
X350i
REAR OF M ACHIN E
X30
X40
X4
X 1
11-20
00C
SE
C
BO
OS
T
RIGHT SIDE
OF
MACHINE
7
N.B. SINCE COMPONENTS OR C
IRCUITRY O
F A PRINTED CIRCUIT BOARD MAY CHANGE WITH
OU
T AFFECTING
THE IN
TERCH
ANGE
AB
ILITY OF
A COMPLET
E BOARD, TH
IS DIAGRAM MA
Y NOT SHOW
THE E
XACT
COMPONENTS OR
CIRCUI
TRY HAVING A COM
M
ON C
ODE NUMBE
R.
206 ( 380
-5
75V
AC
P
OS
IT
IO
N )
207A
276 277 275
S T A T U S
R5
10K/2W
PO
T
CONTR
OL
277 275
1
3
24
D I S P L A Y
51
0
1
6
49
8
3
2
7
M O D E
C O N T R O L
276
R B
A
G
W
CB1
W
V
C
B
U
2 3
4
1
1
5
J4
J3
J5 J6 J7 J8 J9
J1
0A
J1
0B
403
402
401
408
405
410
411
412
407
7
2
3 8
9
4
6
1
10
5 11
12
2
3 4
1
502 503
_ +
102
0
100
2
H1
B
TP
1
TP
3
A
A
TP
2 C
205
206
203 208
+
201
204
202
207
3200/300 C2,
C4
xxxxxxx
209
SWITCH
207 209 207A
203
202
H6
575V 550-
460V 440-
230V 220-
380- 415V
208V 200-
7 2 3 8
9
4 6 1 5
10 11 12 13 14 15 16
609
602 612 607
901 90 3
804 903
7
2
38
9
4 6
1 10
5
2
2
3
4
1
5
7
8
9
10
2 3 1
6 5
4
7 8
80
2
806 801
Y = YELL
OW
W =
WHI
TE
N = BRO
W
N
U = BLUE R = RED G = G
REEN
B = BL
ACK
CO
LOR C
ODE:
7
38
9
4 6
1 10
5
BRIDGE INPUT
2A
_ +
A B
E F
C
D
_
901
ELEC
TR
IC
AL
S
YM
BO
LS PER E
15
37
PRIMARY
PR
I-IN
PR
I-O
UT
PR
I-O
UT
PR
I-IN
SE
C BO
OS
T
OUT
PUT
RECTIFIER
CURRENT
TRANSDUCE
R
502 505
L2
REACT
OR
CHOK
E
REACTO
R
L1
INPUT PER N.A.
}
406
611
608
J3
4
J3
1
J3
11
J3
7
J2 J1
6
A
B
C
802
804
801
806
4
32
1 +
(R
EAR
VI
EW)
4A
32
76A
21
R E M O T E
1
7
4
10 9
3
28
J3
3
51
0
16 49
8
3
27
J3
31
77 4A 75
61
2 11
5
551 553 552 554
75
77
76
21
903A 901A
554
553 +
TP
4
TP
5
405 407 66 65
4
1
3 2
12 11 10 9 8 7
6 5 1 4 3 2
406 401 402 403
6 5 41
3 2
408 410 412 411
J4
3
J4
1
J4
2 P O W E R
GA
S
SO
LE
NO
ID
11
5V
W
IR
E F
EEDER
REMO
TE
16 15
715 716
615 616
615 607 611 612
3200/300 C1,
C3
+
CONTR
OL
RECTIFIER
54
65
2400/80
+
C5 41A
~
~
66
-
+
3 PIN
REM
OT
E
(R
EAR
VI
EW )
610
605
10
0 A CIRCUIT BREAKER
FL
EX
C
IR
CU
IT
FL
EX
C
IR
CU
IT
FL
EX
C
IR
CU
IT
FL
EX
C
IR
CU
IT
N.C.
(R
EAR
VI
EW )
77A
GND
31 75A
77B
2B 4B
76B
A
B
C
J
K
L
D
E
M
I H G
F N
J2
1
3 1
J2
0 4 1 2 3
6 5
4 2
608
I
605 616 610
X10
X30
66B
65B
J90
901B 903B R1
S1
2 1
6 12
CONNEC
TOR C
AV
IT
Y
NUMBERIN
G S
EQUENCE
(V
IE
WED FR
OM
C
OM
PONEN
T SIDE
OF BO
AR
D) J4
3, J3
31
1 7
J8
,J2
0, J
21 4 8
1 5
J9
,J4
2,P
53 3 6
1 4
J2
,J5,
J1
1,
J2
2,
J4
1,
J3
11
,P
55
2
1 4
3
J3
1,J3
3,
J3
4,J3
7
6
5 10
1
J1
,J
6,J
7, P5
2
8 16
1 9
CB2
SN UB BE R
X10
X2
X4
X20
X40
X30
75B
432 438 431 432
438 431
CB
2 532 32
P55 2 1
551 552
4 3
21B
76 76A
77A
75A
1 2
2 101
0
100
1
6
BAS
E
CA
SE FR
ON
T
PR
OT
EC
TI
VE
B
ONDIN
G CIRCUI
T
TP
6
GND
42 75B
77B
2B 4B
21B
76B
A
B
C
J
K
L
D
E
M
I
H
G
F N
41 24
CB
1 541 41
41B
41B
24
/4
2V
W
IR
E F
EED
ER
REM
OT
E
J1
1
715 716
7 8 6 5
102
0
101
0
100
1
100
2
FAN
4
12 3
FAN
J2
2
COM2
115V
FAN
6A
2A
H5
H6
H2
H3
H4
AUXILIARY
H1
XFMR
7
42V
541
24 24V
16
42
COM 1
115V
P56
P52
5
41A 6
1
31
532
11
54 1
28V
COM2
100
1,
100
2,
101
0,
102
0
2C
SNB
2C
21
,21
B,
2A
,4A
,
75
A,
76A
,7
7A
503 xxxxxxx 506
7 8
609 602
505
506
J1
0A
,
J1
0B
COM2
A
GN
D
LEGE
ND:
ALL MACHINE
S
COMPO
NE
NT OUTLINE
CO
NT
RO
L
M
OD
E
STA
TU
S
DISP
LA
Y
REM
OT
E
SP
I FLEX CIRCUIT CONNECTI
ON DETAI
L
FOR M
ACHINES
W
IT
H REM
OT
E B
OARD