Lincoln Electric R3R-300, R3R-500 service manual DIAGRAMSELECTRICALG-4

G-4

DIAGRAMSELECTRICALG-4

97	R3R
DEC

8069		L																																		machine.
																																				your
					TO SUPPLY LINES								TO SUPPLY LINES											TO SUPPLY LINES							TO SUPPLY LINES
										RECONNECT PANEL SHOWN										RECONNECT PANEL SHOWN
RECONNECT PANEL SHOWN																														PRIMARY CONNECTIONS
									TO GROUND	CONNECTED FOR LOW VOLTAGE						TO GROUND				CONNECTED FOR 380V .								TO GROUND		4-7, 6-9, AND 5-8						of
CONNECTED FOR LOW VOLTAGE																														ARE MADE AT THE			TO GROUND
									PER									PER										PER								panels
										6	9		3	L3						6	9	3	11				H4
									X2							NATIONAL																		PER
									NATIONAL											FLEX LEAD JUMPER								NATIONAL		MAIN TRANSFORMER .
									ELECTRICAL							ELECTRICAL												ELECTRICAL					NATIONAL
							H3		CODE									CODE										CODE					ELECTRICAL
	15		6	9											H3																		H3	CODE
	14		5	8	3	L3										X2								3		L3		X2			3	L3		X2		enclosure
									T2	5	8		2	L2			T2			5	8	2	10				H3								T2
	13		4	7	2	L2	H2		X1	4	7		1	L1	H2	X1				4	7	1		2		L2	H2	T2			2	L2	H2	X1
					1	L1	H1								H1								12	1				X1			1	L1	H1
																										L1	H1
TO PRIMARY COILS				233	ICR			232 231					ICR												ICR					TO PRIMARY		ICR				the
										TO PRIMARY COILS		233				232			231											COILS	233		232		231
	380/500 OR 460/575									SINGLE, BELOW 346V OR										TO PRIMARY COILS				380V OR TRIPLE							SINGLE, 346V AND ABOVE					of
											DUAL VOLTAGE													VOLTAGE							(EXCEPT 380V.)
																																				one
																										HIGH TEMP LIGHT			232
																																				inside
ELECTRICAL SYMBOLS PER E1537																											A	235
																						FAN MOTOR		233	CHOKE			SECONDARY
				LEGEND																					THERMOSTAT THERMOSTAT					231						pasted
																											234	235
												13, 14, & 15 ARE PRESENT
D5
												ON 380/500 OR 460/575			V								115 V
D6		POCKET AMPTROL SENSING BRIDGE										MACHINES ONLY.
D7																				201			202				203									is
L1		DC OUTPUT FILTER																	13			14		15
																																				code
R2		10K OHM POT., ARC FORCE CONTROL																	7			8		9
R1		10K OHM POT., OUTPUT CONTROL													AUXILIARY COILS					66V			66V		66V
R3		40 OHM																	10	S		11	S	12	S	THERE IS NO 10-11-12										your
R4		.4 OHM POCKET AMPTROL SENSING RESISTOR													TOP PRIMARY												204
SW1		POWER SWITCH																	1			2		3		CONNECTION ON 380										to
SW2		MACHINE/REMOTE SWITCH																								OR TRIPLE VOLTAGE
																																				specific
SCR1-D1																										MACHINES.
SW3		DIAL SELECTOR SWITCH													BOTTOM PRIMARY
SW4		OPTIONAL POLARITY SWITCH (60 Hz ONLY)
																			4			5		6						219
SCR2-D2				SCR AND DIODE															T1	X1			X2	X3			204			218						diagram
																										R3		204			D5
SCR3-D3				RECTIFIER BRIDGE							L1									SEC			SEC	SEC
D4																															R4
																									220
T1		MAIN TRANSFORMER																				D1	D2	D3							219
																				D4																wiring
T2		CONTROL TRANSFORMER													RECTIFIER												+				D7
																				SCR1				SCR2	SCR3		SHUNT				D6
T3		POCKET AMPTROL				OPTION									BRIDGE
																												-
		TRANSFORMER
ICR		INPUT STARTER																	222							204	205									The
																					223			204						THESE LEADS ARE
																			221
COLORS		Y = YELLOW														203A				226			G1 G2 G3				204	206		PRESENT ONLY WITH						manual.
		A = AMBER													220								204							OPTIONAL METER
		G = GREEN													225							224								KIT.
		W = WHITE												G									G1 G2 G3 204
										OPTIONAL POCKET				Y	115V				1 2 3	4 5	6	7 8					6	201A								this
										BOARD				G													2	202
( DASHED ITEMS ON WIRING										AMPTROL P.C.						201A							2	1 3 4	2	1	3	201
DIAGRAM ARE OPTIONAL )																								J4	J2	J3	1	203								by
											1		G		T3					J5							5	203A
3		1		6	3														SNUBBER BOARD							2	4	204		232	PILOT LIGHT					covered
											2		Y															209
2		1					5	1		J7										SNUBBER BOARD
				4	1		6	2			3		G					226												235	W
											4
				5	2						1															1		204
							7	3					218
							8	4			2		219										CONTROL			3		208		235						machines
4		2								J6	3		75																		SW1
																										8		217
CAVITY NUMBERING SEQUENCE											4		76											P.C.		5		75
											5		77											BOARD J1						231
(COMPONENT SIDE OF BOARD)											6															6		212		235
																										7		213
																				OPTIONAL METER KIT																all
																				VM		AM
													75							- +		- +														for
																																				accurate
										217					210					217		205	214 204
																						206
										217
																212		76									208
																			76		75	210	211	204		204		209								be
																			77											224
														211													R2
																			77			R1														not
	CONNECTOR AND THESE THREE										77	76	75			SW2			213					SW3
	LEADS ARE NOT USED WHEN																																			may
															(SWITCH SHOWN
	IS PROVIDED.
	OPTIONAL POCKET AMPTROL														IN LOCAL			POSITION)
																																				It
											A	B	C	D	E					FRAME GROUND																only.
																		F																		reference
												REMOTE CONTROL
												RECEPTACLE

R3R-400 (Code9537)

-

SW4

+

THIS SHEET CONTAINS PROPRIETARY INFORMATION UNLESS OTHERWISE SPECIFIED TOLERANCE

EQUIP.

R3R-400, 500-I, 500 & 600-I

OWNED BY THE LINCOLN ELECTRIC CO. AND IS

ON HOLE SIZES PER E2056

.02

6

-1-90

THE LINCOLN ELECTRIC CO. TYPE

NOT TO BE REPRODUCED, DISCLOSED OR USED

ON 2 PLACE DECIMALS IS

10-5-90C

CLEVELAND, OHIO U.S.A.

WIRING DIAGRAM

ON 3 PLACE DECIMALS IS

.002

SUBJECT

WITHOUT THE EXPRESS PERMISSION OF

ON ALL ANGLES IS .5 OF A DEGREE

3

-8-91J

SCALE NONE

L 8069

THE LINCOLN ELECTRIC CO.

MATERIAL TOLERANCE t(" ") TO AGREE

3

-8-91R

SHT.

DATE 7-5-89CHK

REF.

L6549

SUPÕSÕDÕG

WITH PUBLISHED STANDARDS.

3-

6-92C

DR GD

NO.

NOTE:diagramThisforis

Wiring Diagram -

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