Lincoln Electric V250-S service manual Wiring Diagram Codes 10187, Return to Section

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G-3	ELECTRICAL DIAGRAMS	G-3
Wiring Diagram (Codes 10187, 10188)

L2 RIGHT

D1A

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N.C.

S4206 PRIMARY

RECONNECT 207

SWITCH202A 202

206

		+
	C1	206
	1600/450	-
202
		203A
203A	203A
203
203		POWER
	202A	BOARD
		+

204

201

205

204

I

201

205

Y Y I

T3

204F

BACK OUTSIDE

S

S

FRONT

INSIDE

201F

205F

FRONT OUTSIDE

S

S F

F		10
	BACK	2W
S	AUX.

FD2B

BACK

SF

F

S

FRONT

F

TP5

TP6

TP4

SHUNT

317B W

320

+ ARC

C5

229

C6

- ARC

304		2	CC SOFT
	1		S2

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S1

POWER

OFF ON

W U

	TP1
INPUT	R
	V
PER
	TP2	TP3
N.A.

BW

G

A

0.6 AMP

SLOW

BLOW

A

NOTES:

			207	C2	202A
				1600/450	-
	A	F	-	207A	207A
H1
H1		D9

BINPUT

	BRIDGE				J6
A	C	D	+	209	209
		FAN
H1		MOTORS
H3
			J7	H1
		H1	1
	200-	H2	4	H2
					R
	208V	H3		H3
	220-	H3	2		18V
					R
	230V
				H4
	380-	H4	3
	415V			H5
A	440-	H5	6
			5
N.C.	460V				T2
				AUXILIARY

TRANSFORMER

208

1

2

3

4

5

6

CURRENT TRANSFORMER

208

308

307

310

311

313

309

318

POWER BOARD

HEATSINK

316

BACK	S	S		D2A	309	1			J4		2	W
			FRONT
											1
INSIDE			AUX.		310	6						B
	F				307	7
208		F	10
					308	4					1	375
			2W				J2
		S	F		311	2					2	377
				D1B	313	8					3	324
		L1 LEFT			Y	3
	T1			320							4	376
					Y	5					5	330
				OUTPUT
MAIN				RECTIFIER							6	321
TRANSFORMER
				HEATSINK	316	2			J3		7	303
				318							8	305
					317	4
							J1				9	304
						3
					R					10		327
					R	1
											11	328
						CONTROL					12	229
											13	319
						BOARD			J5		14
						1	4	2	5	6	3
						322	318		75	76	77

J4 J1 J5, J6, J7 J2 J3

303			CC GTAW	MODE
303A
				SWITCH
305
		3	CC CRISP
303A		REMOTE		S3
330		LOCAL		LOCAL/REMOTE
				SWITCH
377		CW (MAX)		R3
376	R3	10K		OUTPUT
		2W		CONTROL
375
375B
327		CW (MAX)		R4
328	R4	10K		ARC FORCE
		2W		/INDUCTANCE
				CONTROL
324		CW (MAX)		R5
	R5	50K		STRIKE ENERGY
		2W		CONTROL
375B

321		+
		THERMAL
	Y	OVERLOAD
		INDICATOR
319

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N.A. 1. FOR MACHINES SUPPLIED WITH INPUT CABLE

FOR SINGLE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE. CONNECT BLACK & WHITE LEADS TO SUPPLY CIRCUIT.

WRAP RED LEAD WITH TAPE TO PROVIDE 600V. INSULATION.

FOR THREE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE. CONNECT BLACK, RED & WHITE LEADS TO SUPPLY CIRCUIT.

2. FOR MACHINES NOT SUPPLIED WITH INPUT CABLE

FOR SINGLE PHASE INPUT: GROUND MACHINE PER NATIONAL AND LOCAL ELECTRICAL CODES. CONNECT TERMINALS U & W TO SUPPLY CIRCUIT.

FOR THREE PHASE INPUT: GROUND MACHINE PER NATIONAL AND LOCAL ELECTRICAL CODES. CONNECT TERMINALS U, V & W TO SUPPLY CIRCUIT.

N.B. SINCE COMPONENTS OR CIRCUITRY OF A PRINTED CIRCUIT BOARD MAY CHANGE WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY HAVING A COMMON CODE NUMBER.

N.C. PLACE "A" LEAD ON APPROPRIATE CONNECTION FOR INPUT VOLTAGE. CONNECTION SHOWN IS FOR 440-460V OPERATION.

N.D. D2 THRU D4 OUTPUT DIODES ARE A MATCHED SET.

D5 THRU D7 OUTPUT DIODES ARE A MATCHED SET.

N.E. C1, C2 CAPACITORS ARE A MATCHED SET.

CONNECTOR CAVITY NUMBERING SEQUENCE (VIEWED FROM COMPONENT SIDE OF BOARD)

COLOR CODE:

B = BLACK

G = GREEN

R = RED

W = WHITE

Y = YELLOW

322	D		2	GTAW (REMOTE)
318	E	MIN	4	TRIGGER
75	C
		75		REMOTE
76	B	76		OUTPUT
				CONTROL
77	A	77

G F GND

REMOTE

CONTROL

RECEPTACLE

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ELECTRICAL SYMBOLS PER E1537

	9-29-95E
CLEVELAND, OHIO U . S . A .	L9907

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.

INVERTEC V250S