Lincoln Electric SVM 122-A Wiring Diagram Code, Only. It may not be accurate for all

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NOTE: This diagram is for reference

					230/460/575V.
N.B.	H3			(SHOWN CONNECTED FOR 230 V.)
	H4 TO SUPPLY
	H2		LINES		RECONNECT PANEL
		L3	L2	L1
	X1				3			13
								14
		W			9
TO GROUND PER NATIONAL					8	4	5	15	N.B.
		V						16
ELECTRICAL CODE					2		6
								17
FAN MOTOR		U			7
								18
	233	CR1			1
		CONTACTOR

Wiring Diagram (Code 9850)

G-3

only. It may not be accurate for all

								10 AMP
								CIRCUIT	232
								BREAKER
									31
AUXILIARY									42
									42
COILS	10
				S	12		42A		32A
						42V
				115V				241	2
	7		8		9	S		SECONDARY	PRIMARY
TOP	201			202			203	THERMOSTATS
	13		14		15			41
PRIMARY		21V		21V		S	21V	41
	S
									204
			S
									CAPACITOR
BOTTOM	4		5		6
PRIMARY									DISCHARGE
									OPTION
	1		2		3			N.A.
T1 MAIN	16		17		18			N.C.
TRANSFORMER	X1 SEC		X2 SEC		X3 SEC				DIODE

OPTION

TO PRIMARY

CONNECT OR	H1		COILS
			X1
INSULATE AS
SHOWN ON	H2		T2
INPUT
		115V CONTROL
CONNECTION
	H3		TRANSFORMER
DIAGRAM
	H4		X2
231			231
4
41		CAPACITOR
		DISCHARGE
CR4		RELAY
10A	R8	0.5	/50W
F2 SLOW
BLOW
	R7	0.5	/50W

machines covered by this manual. The wiring diagram specific to your code is pasted inside one of the enclosure panels of your machine.

IDEALARC DC400

					P5																					254				204
			1		220												RECTIFIER			204							C1			+
			2		221					D1			D2	D3	D4		ASSEMBLY										C2			+	31,000 MFD
			3		222																REED						C3			+	50V EACH
			4		223																						C4			+
		J5																SHUNT			SWITCH
			5		225						SCR1			SCR2	SCR3												C5			+
																					CR3
			6		224													+	-
			7		GREEN																							227				204
																		205	206
			8		204																									R3
																204				215		216
		SNUBBER													G3				204									7.5		/100W
		BOARD													G2			204												R2
															G1
																												40		/50W
																				225								225
														P1		4 3 P3		P2
															1 2													LEAD NOT PRESENT WITH
													201					1	209
														1								232						DIODE OPTION
													202	2				2	214
																							PILOT
													203	3				3	217								ELECTRICAL SYMBOLS PER
															J3						W		LIGHT
													204	4
																		4	204								E1537							7	1
													225	5								233
															J1			5	206
													220	6										233								6	1	8	2
													41	7				6	206											5	1	7	2	9	3
																	J2											4	1
													4	8				7	208		S1									6	2	8	3	10 4
											42															3	1	5	2	7	3	9	4	11 5
													2	9				8	213		POWER
																										4	2	6	3	8	4	10 5		12 6
										Y		240		10				9	75		SWITCH					4 PIN		6 PIN		8 PIN		10 PIN		12 PIN
									THERMAL									10	212					231
																										J3		J6		J5		J1		J2
									PROTECTION									11	205								CONNECTOR CAVITY
									LIGHT					CONTROL BOARD				12	205				+
																											NUMBERING SEQUENCE
	MODE SWITCH																					VM
																					225		-				(COMPONENT SIDE OF P.C.
	FRONT GANG																							206
																					205		+				BOARD)
	CV-FCAW/GMAW																													NOTES
CC	CV-SUB ARC							ARC CONTROL								P6		STARTING			206	AM -
	S4A			L1												31	4	BOARD			METERS						N.A. CIRCUITRY PRESENT ON
								SWITCH								32	1											CAPACITOR DISCHARGE
			OUTPUT						S5
																228	2											ONLY.
	CV-FCAW/GMAW		CHOKE					MIN. IND. (5)										J6
						S										216	3
CC																											N.B. TAPE UP SEPARATELY
					1
																215	5
	CV-SUB ARC					2				15	/100W		234															TO PROVIDE AT LEAST
																218	6
	S4B								(1)																			600 V INSULATION.
					3 F				MAX. IND.		R1
							216		218			219
																											N.C. CIRCUITRY PRESENT ON
	N.C.
									204	208	209		32A								210							DIODE OPTION.
	217	S4D		224				225									76 212 210 211 213 77						211		224
																					75
	N.O.	ACTUATED
	234	CV-FCAW/GMAW								R5			10A								R4
204	219	ONLY
	N.C.								10K	/2W			CIRCUIT								10K	/2W
	218	S4C		21									BREAKER
								ARC FORCE CONTROL
	N.O.	ACTUATED				S6															OUTPUT
	214	IN CC ONLY			VOLTMETER								32		42			S2			CONTROL
	204				SWITCH												OUTPUT CONTROL
	228							C6 .0047MFD/1400V							32	31		SWITCH
															2	41
																		N.A.
	GREEN														4	21
																				WORK	+
GROUNDING															77	75		OPTIONAL							224
STUD				21	4		2	31	32	75	76	77	4	S3	76		MULTI-PROCESS
													2	OUTPUT				SWITCH		ELECTRODE -
	225					TS2				TS1				TERMINALS
														SWITCH					4	2
						N.A.
																			TO TERM. TO NEG. TO POS.
																			STRIP		TERM.	TERM.

12-9-94F

L9107

ELECTRICAL DIAGRAMS

G-3