Section TOC

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G-2

ELECTRICAL DIAGRAMS

G-2

WIRING DIAGRAM -

 

 

POWER MIG 200 (208/230V)

CAVITY NUMBERING SEQUENCE

(COMPONENT SIDE OF P.C. BOARD)

1

8

1

3

1

J1

 

J2

 

J3

9

16

4

6

2

 

 

 

 

GENERAL INFORMATION

ELECTRICAL SYMBOLS PER E1537

COLOR CODE

 

B -

BLACK

W -

WHITE

R -

RED

U -

BLUE

INDICATES CONNECTOR CAVITY No.

** CAVITY

NUMBERING SEQUENCE (NON-LEAD SIDE OF CONNECTOR)

J4 (TRIGGER,

 

 

TACHOMETER,

 

 

MOTOR SIDE)

1

3

1

4

PA

 

 

 

4

6

5

8

 

 

NOTES:

 

N.A.

WELDING CABLE MUST BE OF PROPER CAPACITY FOR THE CURRENT AND DUTY CYCLE OF

 

IMMEDIATE AND FUTURE APPLICATIONS.

N.B.

THIS DIAGRAM SHOWS THE "ELECTRODE" POLARITY “POSITIVE”. TO CHANGE POLARITY, TURN

 

THE UNIT OFF AND REVERSE LEAD CONNECTIONS AT CABLE CONDUCTOR STRAP AND WORK

 

STUD.

RECTIFIER

TRANSFORMER ASSEMBLY

THERMOSTAT THERMOSTAT

104C

104B

104A

103A

R2

109A

113A

WIRE FEED

SPEED

CONTROL BOARD

101A 1

102A 2

103A3

104A 4

105A 5

106A 6

107A7

108A8

J1

109A9

110A 10

111A 11

112A 12

113A 13

114A 14

106A X9 114A X10

BAFFLE

 

MOUNTED

-

RECTIFIER

 

DIODE

 

BRIDGE

 

 

+

X10

27.8V

106C

106B

107A

108A

116A

GAS

SOLENOID

116B

 

J5

116B

1

104C

2

105A

3

106C

4

104D

5

PA1 **

2

3

4

5

115A

15

116A

16

106B

X9

105B

6

6

H3 H4 H2 L1 L2

TO SINGLE PHASE SUPPLY LINE

230V 208V

W

B

RECONNECT

PANEL

G

TO GROUND PER

NATIONAL ELECTRICAL

CODE

L1 L2

H1 H4

H1

LINE

SWITCH

S1

H1B

FAN

 

X8

G

 

H1

X7

F

 

 

 

 

 

X6

E

 

H5

X5

D

 

 

 

 

 

X4

C

CONTACTOR

H2

 

 

 

 

 

X3

B

 

 

X2

A

TAP SELECTOR

 

SWITCH

H3

 

 

 

X1

POWER

TRANSFORMER

H5

SINGLE PHASE

BRIDGE

RECTIFIER

R T

A

U C

B H

GUN

 

J4

**

 

TRIGGER

 

 

 

 

 

 

 

1

324

 

1

104D

2

325

 

2

111A

3

R

 

3

115A

4

U

 

4

101A

 

B

 

5

102A

 

 

 

6

 

 

B

 

7

105B

 

W

 

8

112A

B

+

P.M. MOTOR/

GEARBOX

-

JUMPER PLUG INSTALLED FOR NON-SPOOL GUN OPERATION

OPTION

1

2

3

J2

4

5

SPOOL GUN

6

 

MOTOR

W

C1 AND C2 C1

C2

R1

40 OHMS

31,000 MFD

 

 

50 W

50V

+

+

 

 

 

TO WORK

FOR

1

J3

 

2

 

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OUTPUT

CHOKE

10-10-2000

L11424

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.

Page 88
Image 88
Lincoln Electric SVM157-A service manual Power MIG 200 208/230V, Wiring Diagram