Lincoln Electric R3R-500, R3R-300 Idealarc R3R-400, 500-I, 500 & 600-I Wiring Diagram

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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.

IDEALARC R3R-400, 500-I, 500 & 600-I WIRING DIAGRAM

				PRIMARY CONNECTIONS 4-7, 5-8 AND 6-9						TO SUPPLY LINES										TO SUPPLY LINES				PRIMARY CONNECTIONS								TO SUPPLY LINES			RECONNECT PANEL SHOWN
				ARE MADE AT THE MAIN TRANSFORMER					TO GROUND																4-7, 5-8 AND 6-9										CONNECTED FOR 380V
																														TO GROUND
	TO SUPPLY LINES																TO GROUND								ARE MADE AT THE
									PER																					PER
									NATIONAL				RECONNECT PANEL SHOWN					PER							MAIN TRANSFORMER					NATIONAL				FLEX LEAD JUMPER
TO GROUND									ELECTRICAL								NATIONAL													ELECTRICAL
													CONNECTED FOR LOW VOLTAGE
PER				RECONNECT PANEL SHOWN					CODE								ELECTRICAL													CODE
NATIONAL				CONNECTED FOR LOW VOLTAGE						H3	L3		3					CODE		H3												H4					9
ELECTRICAL									X2					9	6			X2																	11	3		6
																																X2
CODE	H3								T2		L2		2	8	5			T2			L3		3								T2	H3	L3	3	10	2	8	5
X2					3		18
			L3						X1	H2								X1		H2	L2		2										L2	2
T2											L1		1	7	4																	H2			12	1	7	4
					2		17
X1	H2		L2							H1										H1	L1		1									X1		1
																																	L1
					1		16																									H1
	H1		L1
												ICR						231	232			ICR			233	TO PRIMARY				231			ICR		233
									231 232				233	TO PRIMARY														COILS
231	232			ICR			TO PRIMARY								COILS																				TO PRIMARY
				233				COILS	SINGLE, BELOW 346V OR									SINGLE, 346V AND ABOVE														380V OR TRIPLE
																																					COILS
	380/500 OR 460/575																			(EXCEPT 380V.)												VOLTAGE
										DUAL VOLTAGE
				PRIMARY CONNECTIONS 1-7, 2-8 AND 3-9
				ARE MADE AT THE MAIN TRANSFORMER
	TO SUPPLY LINES
TO GROUND
PER				RECONNECT PANEL SHOWN
NATIONAL				CONNECTED FOR 230V																							HIGH TEMP LIGHT
ELECTRICAL																															232
CODE	H3				9	5	11																					A		235
X2
																								233
T2			L3	3	8	4	10															FAN MOTOR				CHOKE				SECONDARY
																										THERMOSTAT			THERMOSTAT			231
X1	H2		L2	2	7	6	12
																												234		235
	H1		L1	1
																							115 V
231	232			ICR			TO PRIMARY													201			202					203
				233				COILS
	230/400V														AUXILIARY COILS					66V			66V			66V
ELECTRICAL SYMBOLS PER E1537															(ON BOTTOM PRI.			7			8			9
															COIL ASSEMBLIES)				S				S			S
																												204
															TOP PRIMARY
																		10			11			12			THERE IS NO 10-11-12
				LEGEND
											16, 17, & 18 ARE PRESENT																CONNECTION ON 380,
											ON 380/500 OR 460/575							16			17		18				220/380/440 OR
D5											MACHINES ONLY.																230/400V MACHINES.
D6		POCKET AMPTROL SENSING BRIDGE
D7																		1			2			3
L1		DC OUTPUT FILTER
															BOTTOM PRIMARY
R1		10K OHM POT., OUTPUT CONTROL																4				5			6							219
R2		10K OHM POT., ARC FORCE CONTROL
R3		40 OHM															T1		X1				X2		X3			204				218
R4		.4 OHM POCKET AMPTROL SENSING RESISTOR										L1							SEC				SEC		SEC
																																	R4
																										220
SW1		POWER SWITCH
																					D1		D2		D3										219
SW2		MACHINE/REMOTE SWITCH																									R3			204			D5
																			D4
SW3		DIAL SELECTOR SWITCH													RECTIFIER
SW4		OPTIONAL POLARITY SWITCH																	SCR1					SCR2		SCR3		SHUNT					D6
															BRIDGE
		(60 Hz ONLY)																										+		-
SCR1-D1																																	D7
SCR2-D2				SCR AND DIODE																							204	205
SCR3-D3				RECTIFIER BRIDGE														222			223				204								THESE LEADS ARE
D4																		221
																							G1 G2 G3										PRESENT ONLY WITH
																				226								204		206
															220								204										OPTIONAL METER
T1		MAIN TRANSFORMER																															KIT.
															225							224
T2		CONTROL TRANSFORMER												G	203A								G1 G2 G3 204
T3		POCKET AMPTROL				OPTION
			TRANSFORMER											Y	115V													6		201A
									OPTIONAL POCKET					G	201A								2	1	3 4	2	1	3		201
ICR		INPUT STARTER							AMPTROL P.C.								1	2 3	4	5 6	7	8		J4		J2		2		202
									BOARD		1																J3	1		203
													G		T3					J5								5		203A
COLORS									J7		2		Y					SNUBBER BOARD										4		204		232
		A = AMBER									3		G						SNUBBER BOARD
																226											1			204
		G = GREEN									4																					235	W
																											2			209
											1
		W = WHITE											218										CONTROL				3			208
											2																						PILOT LIGHT
		Y = YELLOW											219						OPTIONAL METER KIT								4			214
											3													P.C.
									J6				75																				235
																			VM			AM					5			75
( DASHED ITEMS ON WIRING											4		76											BOARD J1
																			-	+		- +					6			212
	DIAGRAM ARE OPTIONAL )										5		77														7			213		231
											6
																						205					8			217
									217										217													235
																					206
	2	1																															SW1
							5	1
				4	1				217
							6	2
															212	76
				5	2																		214		204
				6	3		7	3					75		210					75		210						208
	3	1														76							211				204			209
							8	4																	204
																	77
	4	2																														224
															211			77										R2
																						R1
CAVITY NUMBERING SEQUENCE
										77		76	75		SW2	213								SW3
(COMPONENT SIDE OF BOARD)
														(SWITCH SHOWN IN LOCAL POSITION)
	CONNECTOR AND THESE THREE									A		B	C	D	E	F			FRAME GROUND
	LEADS ARE NOT USED WHEN
	OPTIONAL POCKET AMPTROL									REMOTE CONTROL RECEPTACLE
	IS PROVIDED.
								-																SW4											+

1-20-95E

L9376

Wiring Diagram - R3R-400 (Code 9874), R3R-500

G-5

ELECTRICAL DIAGRAMS

R3R

G-5