Lincoln Electric IM565-B manual Wiring Diagram Square Wave TIG 175 208/ 230/ 1

WIRING DIAGRAM - SQUARE WAVE TIG 175 (208/ 230/ 1/ 60)

19

VOLTAGE RECONNECTION

230 VOLT CONNECTION (AS SHOWN)

H1 and H3 TO POWER SWITCH.

H2 NOT CONNECTED; INSULATE.

208 VOLT CONNECTION

H1 and H2 TO POWER SWITCH.

H3 NOT CONNECTED: INSULATE.

C1 AND C2 MUST ALWAYS BE CONNECTED ACROSS POWER SWITCH.

INPUT PLUG

H2

H3 H1

C1 C2

L2 L1

W 221

R 222

)-(

220

SCR1

G1

217

115VAC

FAN

H3	(230V)
H2	(208V)
H1
R 209	W X3	S
	18VAC
		F
U 210	B X4
W 201	W X5
	18VAC
W 204	W X6
B 230	B X7
	115VAC

B 232 B X8 B

T1

S X1 78VAC

FX2

TO GROUND PER

NATIONAL ELECTRICAL CODE

SCR2

G2

218

)+(

	L1
		POLARITY SWITCH	MICRO SWITCH
	AC	A-C, D-E, B-F	OPEN
	DC+	B-D, C-E, A-F, G-H	CLOSED
FRONT GANG	DC-	B-D, A-E, C-F, G-H	CLOSED
D

SQUARE WAVE TIG 175

S2A

L2

TOROID

G3

SCR3

216

		H	NO
E	A		NC
	F		G
C

G4 216 220 G3 G2 218 G1 217	(-)	(+)
	222R	221W	314		POWER "ON" LIGHT
			313	231	W

												233	PL1
													CURRENT CONTROL
J1						J2			J3				R1
										312		277
												276
										244
										311		275
									J4	242
												STICK
										241			S3
										233		243	MODE SWITCH
										275
										231			( STICK - CLOSED
										276		244	TIG - OPEN )
										243
										277			TIG
												THERMAL LIGHT
												R 241	Y
												B 242	TL1
				J6						E	A	A
										D
									J5		B	B
										C
											C	C
										A	D	D
										B
											E	E	10K A-B
												F	AT MINIMUM
236	201	204	235	234	238	232	230	210	209
											REMOTE		REMOTE TM
	W W					B B U R
											RECEPTACLE		AMPTROL
									238
SV1									236	236A
234
235

S

115VAC T3

F

237

R3 C4

236B

236A

G4

SCR4

)-(

D1

L3

C3

SPARK

GAP

L4

ARC STARTER AS’BLY

POS	X1
B
S2
POLARITY	(REAR VIEW,
SWITCH
	SHOWN IN AC POSITION)
R2
B	B
BYPASS/
STABILIZER
PC BOARD

T4

J4

ELECTRICAL SYMBOLS PER E1537. 7-12-96

L10060

WIRING DIAGRAM

19