Tweco 350 4R Wirefeeder User Manual
Page 57

appendix weldskill 250, 350
Manual 0-5182
A-5
Appendix
20
V2
0V
DC
L
V1
V2
V3
V4
R1
100/
40
W
C1 100n
/1
KV
KM
-1
KM
-2
S1
TC
FU
1
3A
-
+
30
V
FS
FU
2
8A
18
17
1
2
CN
5
1 2 3
CN
1
1 2 3 4
CN
3
We
ld
in
g
cu
rren
t po
te
nt
io
me
te
r
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Po
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to
r
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ot
R2
0.
5Ω
/3
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36
V
KM
Sp
ot
ti
me
r
100K
0
19
28
29
30
30
32
26
LE
D1
VR
1
VR
2
Th
er
mo
st
at
1
I.P.
S
TC
33
1 2 3 4
CN
4
1 2
CN
2
1
2
3
4
5
6
7
8
CN
6
1
2
3
CN
8
1
2
3
CN
9
Ov
er
he
at
LE
D2
Gu
n
T.
S
1
2
3
4
CN
7
17
18
Mo
to
r po
we
r
2
8
9
10
11
6
7
20
A
21
A
21
72
15
25
24
34
5
22
D
13 14
22
C
22
A
22
B
21
B
21
C
21
D
20
B
20
C
20
D
16
1
0
Bu
rn
ba
ck
100K
VR
3
Sp
ot
sw
itch
/4
T
4T
12
53
64
Sp
ot
sw
itch
+
22000u
F
+
22000u
F
+
22000u
F
+
22000u
F
0V
240V
R3 15
R/
50
W
KM
-5
B
Th
er
mo
st
at
2
27
35
36
37
240V
C2
220V
1
2
3
4
22
11
44
33
5
6
66
55
7
8
88
77
TR
1
SW
ITC
H-
12
31
31
S4
11
12
10
22
B
40
21
C2
2C
S4
3
44
45
5
46
2
13
46
47
41
21
B
KM
-4
23
Ga
s
va
lv
e
S3
S4
8
79
YV
20
D
43
36
V
42
20
D2
5
CONTROL PC
B
Art # A-09926_AB
APPENDIX 3:
WELDSKILL 250 MIG POWER SOURCE CIRCUIT DIAGRAM