Lincoln Electric CV-250 manual Wiring Diagram CV 250 60Hz

WIRING DIAGRAM CV 250 (60Hz)

F-1

CV-

			RECONNECT
INPUT	SUPPLY		PANEL
LINES			3
U	V	W	C
			6
			9
L1	L2	L3	N.B.
			F
			12
1	2	3	2
			B
S1			5
LINE
			8
SWITCH
			E
			11
			1
	*		A
			4
			7
			D
			10

*TO A SYSTEM GROUND PER NATIONAL ELECTRICAL CODE.

									SNUBBER/BYPASS
							204C		8	P.C. BOARD
3		SCR3					221		2
	223				204D		222		3
										J5
							223		4		6		213
					7.5	OHM				J5
					220	W	224		1
											5		214		213
		D3	G3
						R1			7					400	A. 50mV
													+		SHUNT
							224A							-	+
		SCR2
															213A
															213B
					+										-
2	222	D2	G2		C1
					+
					C2				213B			218	L1 CHOKE		214
					+										-
			204D		C3
										224B				214B
			204C		+
		SCR1			C4
			204A
							224A
												219			213A
													LOCAL/REMOTE SWITCH
1	221		G1		D4			CONTROL					(SHOWN		IN LOCAL POSITION)	214A
		D1		D5				P. C. BOARD							77
														S4
										1					76
									J10
			224		224B					2						S3
															21
																WIRE FEEDER
							G2	4						276	376	VOLTMETER
																SWITCH
													277
							G3	2	J1	8		214B
															377
							204A	1		3		224B
															377
							G1	3		7		277
															376

213B

s

202

12V O2 TOP

203

s

200

4

10

J2

11

8

		N.A.
4	276		CW
		10K
2	NC	OUTPUT	R2
		CONTROL
5	275

77 H WIRE FEEDER

VOLTMETER

76 E

F

75 G

DIAGRAMS

250

208/230/460		INPUT VOLTAGES
RECONNECT			RECONNECT
	208V			230V
PANEL			PANEL

RECONNECT

460V

PANEL

12V	O1	TOP
	31
			201
s		SECONDARY	NC

12

2

1	2
6	4

2	C
4	D

6 5 4

41A	41	NC
	THERMOSTAT

3

J3

6 207 1

	N
31	J

C	6	5	4	C
B	8		7	B	8		7
9				9
3	2		1	3	2		1
A				A
	F	E	D		F	E	D
3	2		1	3	2		1
TO S1 LINE		SWITCH		TO S1 LINE		SWITCH

C	6	5	4
B	9	8	7
	3	2	1
A
	F	E	D

3 2 1

TO S1 LINE SWITCH

42V	O1	TOP			205
					L1
					206
		42A		42	NC
			CB1
				10A
					NC
				CIRCUIT	NC
s				BREAKER
					NC
					NC
58V	O3	TOP
				33	32

9

5

1

J4

6

7

13

14

1 208 2

			J7
4	209		3
			METER
3	210		4 P.C.
			BOARD
5	211	S2
	212
2
	VOLTS /	AMPS	N.A.
	(SHOWN IN	"VOLTS"	POSITION)

32	A	115	VAC
41	I	42	VAC
42	K
	L
	B	GROUND
	M
	WIRE
	FEEDER
	RECEPTACLE

			230/460/575	INPUT VOLTAGES
RECONNECT			230V	RECONNECT			460V	RECONNECT			575V
PANEL				PANEL				PANEL
9	8	7	8	9	8	7	8	9	8	7	8
6			4		6		4		6		4
		5				5				5
F		E	D		F	E	D		F	E	D
3		2	1		3	2	1		3	2	1

	33A	CB2
		5A
		CIRCUIT
		BREAKER
	FAN
		115V
58V O3 BOT.	31A
s	31B	31

ELECTRICAL SYMBOLS

PER E1537

CONNECTOR CAVITY NUMBERING SEQUENCE

(COMPONENT SIDE OF P. C. BOARD)

CUSTOMER

CONNECTIONS

3	2	1	3	2	1	3	2	1
TO S1	LINE	SWITCH	TO S1	LINE	SWITCH	TO S1	LINE	SWITCH

MAIN TRANSFORMER

2 PIN	4 PIN	6 PIN	8 PIN	14 PIN
J10	J1	J4	J2	J3
	J7
			J5
C1-C4 31,000 MFD EACH
N.A. WIRING VIEWED FROM REAR OF POTENTIOMETER
N.B. TAP LEADS A, B, AND C APPEAR ON THE TOP PRIMARY COILS
OF 208/230/460V	MACHINES	ONLY.

3-10-95H

CLEVELAND, OHIO U.S.A. L9854

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..

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