Figure f.6, Troubleshooting & repair – Lincoln Electric INVERTEC POWER WAVE 450 SVM112-B User Manual
Page 90
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POWER WAVE 450
FIGURE F.6 – INPUT AND AUXILIARY CIRCUIT WIRING DIAGRAM
TROUBLESHOOTING & REPAIR
F-30
F-30
(L1A)
(L3A)
4
2
3
1
F1
FUSE
P
OWE
R
SWITCH
SWI
(321B)
(H
IB)
321A
MA
IN
C
O
N
TA
CT
OR
(L1)
(L2)
(L3)
(T1)
(T2)
(T3)
U
V
W
G
(324)
(326)
24V
A
C
CR
1
INPU
T
R
EC
TIFIER
AC
1
AC
2
AC
3
PO
S
NEG
JU
MP
ER "A"
(H4)
(H3)
200-
208
(H2)
(H1)
(220V
A
C)
(220V
A
C)
TO
P
FA
N
BO
T.
FA
N
321
H1
H1
1
4
2
3
H2
H3
H4
H2
H3
H4
323
336
333
334
33
1
4
6
5
3
2
P71
P70
J4
J4
2
5
1
4
2
3
H1A
H2A
H3A
H4A
P2
H1
H2
H3
H4
200-
208V
220-
230V
380-415V
6
5
3
4
2 1
R(115V)
U(42V)
N(24V)
W
24V
A
C
A
UXI
LI
A
R
Y
TR
A
NF 2
32A
5A
C
IRCUI
T
BR
E
A
KER
J32
J32
J33
J33
J33
J33
CR
1
CR
2
1
3
6
3
4
1
PR
O
TEC
TI
ON
BO
A
RD
J32
16
6
11
1
6
4
R
C
R1
R
C
R2
J30
J30
J30
J32
(T3)
(H
IB)
(T1)
(321A)
200-
208V
220-230V
380-415V
A
UX.
T
R
ANS
F.
1
24V
A
C
R(115V)
U(42V)
N(24V)
W
6
440-4
60V
H5
H5
P73
6
H5
440-460V
H5A
P5
220-
230
380-415
440-460
(H5)
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