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Tweco 350 4R Wirefeeder User Manual

Page 57

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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

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rren

t po

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nt

io

me

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5K

Po

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ot

R2

0.

5Ω

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36

V

KM

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ot

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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

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at

LE

D2

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n

T.

S

1

2

3

4

CN

7

17

18

Mo

to

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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

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21

B

21

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21

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20

B

20

C

20

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16

1

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Bu

rn

ba

ck

100K

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3

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sw

itch

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4T

12

53

64

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itch

+

22000u

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+

22000u

F

+

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F

+

22000u

F

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240V

R3 15

R/

50

W

KM

-5

B

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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

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