Lincoln Electric V300-PRO manual + Arc

WIRING DIAGRAM V300-PRO CODE 10257 (575V)

311	313
275F	306
	N.F.

				52								9A			9
						52						9A
				14		14																4,		5				4
1	2	3	4						R7						402,		404
				53		53
							52		25
				51		51								+
		J8							25W		C2	+
				H5		H5
PROTECTION				1		314	10K										SWITCH
BOARD				2			25W	R1		13				13,15
				3		316						+					BOARD
			J15								C14
				4		315											(LEFT)
							14		25
				5
				6		317			25W					-
									R6						401,		403
							53				12A					R	W			R		W	1,		8			1
												912			12
																												L5
		S1	INPUT																					307		308
			RECTIFIER		9D 9D
	POWER		D13						309	310
	OFF	ON														6	3	2	5 1			4		1	2	3	4
	W			A	D	+			CR1			DRIVER
																			J10						J11
	U		H1	TP1				9A				BOARD
			H1
															J16								J9
INPUT	R			B
PER	V		H5		TP3			9D				1	2	3	7	8	12		13	14		3		6	2 5 4			1
N.A.					TP2
	B											314				9D		317
				C	F	-
	W		H6										315				52			316
	G
				12B
										N.F.		912				9										4,5		5
												9B
																			W		R		W		R
										R5						402,		404
										25		C1 +			+						SWITCH
										25W
							10K														BOARD
									R9						13,15						(RIGHT)
							25W				15	C15 +

T3

CURRENT

TRANSFORMER

Y Y

T2	L2
	RIGHT
MAIN		D1A
TRANSFORMER	S	F
4	F
F	BOTTOM
TOP	AUX
		D2
OUTSIDE	S
S
S	F
BOTTOM	BOTTOM
INSIDE

F S

1

I

5 S

F

IBOTTOM

OUTSIDE	TOP
S	F	D3
S
TOP	S
INSIDE	TOP
	AUX
F	F

			229
	400A		TP5
			250	C5
	SHUNT	R8
			25W	TP6
	L3		286
	CHOKE
		R W
				C9	C6
			TP4
			L4
CHOKE
THERMOSTAT
224	503A
220	1		2	W
			J3
204A	10		1	R
76	5
203	3
206	4		1
211A	12	J4	2	502
223A	11		8	229

+ ARC

229

229

- ARC

285S5 METER

PANEL

FUNCTION

			SWITCH			METER
204C
			V
					1	1
220
					2	2
			A
					3	3
214					4	4
					5	5
					6	6
226
227
275C
203
			CC	GTAW
215	1			CC	SOFT
206						S2
	2
204A					CC CRISP	MODE
204B		3		CV	FCAW	SWITCH
	4
213	5		CV	GMAW
218
77B		CW	(MAX)
77A
	R11					R11
		10K
276						OUTPUT
		2W
275C						CONTROL

						25			-
					51	25W
						R4			401,	403
REMOTE								12B
								12B	12
OUTPUT
CONTROL				H1	H3			J13		J12
	MIN						H1	1	H1	504
	75	G	75						1
				FAN					18V
				MOTOR
	76	F	76						H3
	77	E	77B							501
				CB2			H3	2	4
	31	J	212				220-		110V	32A
110/115				2AMP					6
							230V
VAC
	32	A	32
42	41	I	212	32A					42V	42A
VAC	42	K	42	CB1					5
	2	C	212	6AMP			575V		24V	503
			212C	42A			H6	6	3
TRIGGER									H5
	4	D	223B						0V	212D
									2
	81	M							T1
	82	L		+		S6			AUXILIARY

1, 8 8

FAN

THERMOSTAT

224

	8
	S	F	D1B
	L1
	LEFT
307	7	2	305
	POWER
308	8	7	301
309	BOARD	6	302
	2
310	4	3	303
501	J7		304
	5	8
504	J6		275D
	6	1
	1	4	211A
	3	5	211B
		9	212B
311	1	10	212D

3132 J14

3

4

227	2		13	228
213	9		12	207
214	6		7	208
275B	8	J5	3	276
226	7		6	218
			14	75
			4	77A
			11	215
275F	2		10
	3		5	306
275D	1		9
301	5
302	6	J1	1	Y
305	4	J2	3	Y
303	7		4	210
304	8		2	275A

CONTROL

BOARD

275B
275A
		LOCAL		S3
228
				LOCAL/REMOTE
204B		REMOTE
204C				SWITCH
207		CW	(MAX)	R12
	R12	10K		ARC FORCE
208				/INDUCTANCE
		2W
				CONTROL
212A
212B				S4
				ON
				OUTPUT
223B				TERMINAL
				REMOTE

223A	SWITCH
502
	THERMAL

YOVERLOAD INDICATOR

21 H 21 TRANSFORMER

503

(V300-I ONLY)

– 33 –

MAR97

		N.C.	GND		B	GND	-	WELDING
			SPARE		N	211B	285
								POLARITY
							229	SWITCH
			WIRE			REMOTE
			FEEDER			CONTROL
					RECEPTACLE
NOTES:
N.A.
1. FOR MACHINES SUPPLIED WITH INPUT CABLE (V300-PRO)
	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 (V300-I)
	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. WIRE FEEDERS REQUIRING 24VAC, USE			PINS	"N"	&	"I".
N.F. C1, C2, C14, C15 CAPACITORS ARE A			MATCHED		SET.

212C
212A	150	5W

COLOR		CODE:
B	=	BLACK
G	=	GREEN
R	=	RED
W	=	WHITE
Y	=	YELLOW

210

503A

	J2,	J8	J9,	J10,		J12	S4	S2
			J13,		J15	J1, J7
J3	J11,	J14					OUTPUT TERMINAL	MODE SWITCH
							SWITCH
							S3	S5
							LOCAL/REMOTE	METER FUNCTION
J6			J4			J5, J16	SWITCH	SWITCH
							R11
							OUTPUT CONTROL
CONNECTOR	CAVITY NUMBERING				SEQUENCE			R12
(VIEWED FROM COMPONENT SIDE					OF	BOARD)	THERMAL	ARC FORCE/INDUCTANCE
							OVERLOAD	CONTROL
ELECTRICAL SYMBOLS				PER		E1537	INDICATOR
							(V300-I ONLY)

CONTROL PANEL

LAYOUT

B

L10191

NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for a replacement. Give the equipment code number..