Lincoln Electric SVM162-B Electrical Diagrams, Wiring Diagram Entire Machine Code 10806 G4031

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G-2	ELECTRICAL DIAGRAMS	G-2
WIRING DIAGRAM - ENTIRE MACHINE - CODE 10806 (G4031)

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CONTROL PANEL (VIEWED FROM REAR)

306	1		1	301
303	2		2
	3	METER	3	304B
	4		4	302

55

66

(VIEWED FROM REAR)

	L5
MINIMUM	N.E.
OUTPUT	DISPLAY

PRECISION TIG 275 WIRING DIAGRAM

CONTROL PC BOARD

	L1 (U)
	L2 (V)		S1
		POWER SWITCH
	H4	H3	H2
L1 (U)
C5		MID
	HIGH		LOW
C4
L2 (V)			250
		COM

H1

A

C1

251

C2 H1

460 VOLT CONNECTION CONNECT STRAP TO HIGH (H4) (AS SHOWN)

230 VOLT CONNECTION CONNECT STRAP TO MID (H3)

208 VOLT CONNECTION CONNECT STRAP TO LOW (H2)

R4	304B
	321

301 1

302 2

303 3

304 4

304A 5

J8

GROUND RECONNECT PANEL

POWER FACTOR
CAPACITORS
(OPTIONAL)
S	X5	267
H2 (208V)	63.5VAC

				314	320		316C	316B	315
							313B			L6
	316C					316B
STICK		BALANCE	313C	LOCAL			MAXIMUM			POST FLOW
							OUTPUT

306 6

311	1
312	2
313	3
314	4
315	5
316	6

J9

J6	1	W 221
	2	R 222

L12

L4
216	X1

SCR1

TO GROUND PER

NATIONAL

ELECTRICAL CODE

H3 (230V)			F	X6	268
H4 (460V)			S	X3	231
201	X9	S	115VAC		231A
	18VAC		F	X4	232
204		F
	X10
				X1
			S

R2		R1	R3
TIG	REMOTE	316A	313A

317	7
318	8
319	9
320	10
321	11
322	12

1G1

2G3

4G4

J4 5 G2

G1	(+)		222 221
218
		POS	R W
G2
	SCR2

W209	X7	S	78VAC
	20VAC
R210
	X8	F	F X2

T1

MODE	319			317				316A
		311A	322		316	311A 311	312		318	313
		(STICK)		(AUTO BAL)	(REMOTE)		(P. FLOW)		(THERMAL)

331	W	1
	B	6

6	217
7	220
8

9218

10216

		L1
217		FRONT GANG
	B	D
G3
SCR3		E	A

POLARITY SWITCH MICRO SWITCH
AC	A-C, D-E, B-F	OPEN
DC+	B-D, C-E, A-F, G-H	CLOSED
DC-	B-D, A-E, C-F, G-H	CLOSED
D2 REAR GANG		MICRO-SWITCH
	S2A NO
	H	NC

232
CB1	C8
15A
	233
	233B

115VAC

C9

231

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F

G

+ R -

B W

331

+ G	-	+ G	-	+ G	-
B	W	B	W	B	W
332		333		334

+	Y	-
B		W
	335

L7

332	W	2
	B	7
333	W	3
	B	8
334	W	4
	B	9
335	W	5
	B	10

1

3

2

J10

J7

N.D.

N.C.

1252

9253

2269

10270

3271

11220B

220	)-(		C
220A		D1	POS
	SCR4			B	X2
G4
				S2
	NEG	252		POLARITY	253
				SWITCH

286	NEG	265A	266A
		265	266
		(REAR VIEW, SHOWN
		IN AC POSITION)

0CR4 1

263

262

4	8
233A
CR4 2	6
	234

N.F.

SV2

WATER VALVE (OPTIONAL)

FREQ

	ADVANCED CONTROL PANEL
		(OPTIONAL)
ON TIME			BACKGROUND

DOWN SLOPE

5

4

6

J3

1 2 3 4 5 6 7 8 9 10

J11	12	266
	5	262

13263

4213

R7		271A	BACKGROUND
			RECTIFIER
	271		269	R8	267

C1,C2	POWER FACTOR CAPACITORS, 50/460 (OPTIONAL)
C4,C5	BY-PASS CAPACITORS, .0047
C6	HIGH VOLTAGE CAPACITOR, .0015/12kV
C7	PHASE SHIFT CAPACITOR, 15uF/250VAC
C8,C9	HIGH FREQ PROTECTION CAPACITORS, .22/400

	R9			R10			R11			R12
				401C
401B	402	403		401D	405	406	408	409	410	407	401D
4-STEP				401B	ON			(PULSE ON)
			401A				404
411		401						-	G +	B
							W
2-STEP				OFF
TRIGGER				PULSE

						PROTECTION PCB
	A	A
	B	B						1
	C	C	L8	A	4			2
	D	D		B	1			3
				C	2	J22	J23	4
10K A-B	E	E
				D	3			5
AT MINIMUM	F	F		E	6			7
OPTIONAL				F	5			6
		REMOTE						8
REMOTE
		RECEPTACLE
AMPTROLTM

L10

1

2

3

4

5

7

6

8

L9

1

2

3

4

N.A. 5 7

6

8

J5A

J5

OR N.C.

J3

1 2 3 4 5 6 7 8 9 10

401	1	OPTIONTIG PCB (OPTIONAL)
402	2
403	3
W	12
404	4
405	5
406	6
407	7
408	8
409	9
410	10
411	11
	J1

1 2 3 4 5 6 7 8 9 10

J2

N.B.

14214

7201

15204

8W209

16 R210

L11

1

2260

J12	3	235
	5

6236

4233A

L13

		FAN					S
					233A 231A	C
			231E				BYPASS/
	260						STABILIZER
233A							PC BOARD
GAS VALVE		SV1
	235
	231E	231D
						E	F
		S	L2	238	C6
	115VAC	T2	SPARK		T3		R6
			GAP
						284	285
		F	L3	239
	237
236						FRONT	WORK
	R5	C7				ELECTRODE
			ARC STARTER AS'BLY
	236B					REAR

	268
	262
270	263
	201
220B	204
	W209
220A	R210

214

213

TRANSFORMER

PRIMARY

THERMOSTAT TRANSFORMER

SECONDARY

THERMOSTAT

233A

231A

N.A. CONNECTION IS PIN TO PIN BETWEEN J23 AND J5. N.B. ROBOTIC INTERFACE CONNECTION.

N.C. REMOVE JUMPER PLUG IN J3 WHEN INSTALLING TIG OPTION PC BOARD.

N.D. DISCONNECT JUMPER LEAD BETWEEN PIN 1 AND PIN 2 IN J3 TO DOUBLE PREFLOW & POSTFLOW TIMES.

N.E. DISPLAY TOGGLE SHOWN IN MIN AMP POSITION. N.F. PLUGS INTO LOWER SWITCHED RECEPTACLE.

CB1	CIRCUIT BREAKER, 15 AMP
CR4	12V DC RELAY COIL
D1	FREE WHEELING DIODE
D2	BACKGROUND DIODE
L1	OUTPUT INDUCTOR (CHOKE)
L2,L3	HIGH FREQ INDUCTORS
L4 -L13	RF TOROID CHOKES
R1	OUTPUT CONTROL POTENTIOMETER, 10K
R2	BALANCE CONTROL POTENTIOMETER, 10K
R3	POST FLOW POTENTIOMETER, 10K
R4	MIN OUTPUT POTENTIOMETER, 10K
R5	PHASE SHIFT RESISTOR, 200/100
R6	HOLDING RESISTOR, 50/225
R7	RESISTOR, 20/100
R8	RESISTOR, 5/50
R9	FREQ CONTROL POTENTIOMETER, 10K
R10	ON TIME CONTROL POTENTIOMETER, 10K
R11	BACKGROUND POTENTIOMETER, 10K
R12	DOWN SLOPE POTENTIOMETER, 10K
S1	INPUT POWER SWITCH
S2	POLARITY SWITCH
S2A	MICROSWITCH ON POLARITY SWITCH
SCR1,2,3,4	MAIN POWER SCR'S
SV1	GAS SOLENOID VALVE, 115VAC
SV2	WATER SOLENOID VALVE, 115VAC (OPTIONAL)
T1	MAIN TRANSFORMER
T2	HIGH VOLTAGE TRANSFORMER
T3	HIGH FREQ TRANSFORMER
LEAD COLORING CODE:				COMPONENT VALUE
				UNITS:
B-BLACK		U-BLUE
				RESISTORS:
G-GREEN		W-WHITE		OHMS/WATTS
O-ORANGE		Y-YELLOW		CAPACITORS:
R-RED				MFD/VOLTS
CONNECTOR PIN NUMBERS:
1 2 3		7	EXAMPLE: THIS IS PIN 7
			0F CONNECTOR J5
8	J5	14		1 2 3	8
		LATCH

VIEW OF CONNECTOR ON PC BOARD

ELECTRICAL SYMBOLS PER E1537.

ELECTRODE

B

G4031

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.

®

PRECISION TIG 275