Lincoln Electric IM402-B manual Wiring Diagram 250 AMP Idealarc 50 HZ

WIRING DIAGRAM - 250 AMP IDEALARC 50 HZ

HIGH VOLTAGE can kill

T U R N T H E I N P U T P O W E R T O T H E W E L D E R O F F U S I N G T H E D I S C O N N E C T S W I T C H A T T H E F U S E B O X B E F O R E I N S T A L L I N G O R S E R V I C I N G T H I S M A C H I N E .

D O N O T T O U C H E L E C T R I C A L L Y " H O T " P A R T S S U C H A S O U T P U T T E R M I N A L S O R I N T E R N A L W I N D I N G S .

G R O U N D I N G S C R E W M U S T B E C O N N E C T E D T O A G O O D E A R T H G R O U N D

T H R O U G H T H E I N P U T C A B L E P E R N A T I O N A L E L E C T R I C A L C O D E		.
D O N O T O P E R A T E W I T H C O V E R S R E M O V E D	.

O N L Y Q U A L I F I E D P E R S O N N E L S H O U L D I N S T A L L O R S E R V I C E T H I S E Q U I P M E N T .

			L I N E
		S W I T C H				H 1
					H 5
S E E T A B L E
B E L O W F O R
C O R R E C T
C O N N E C T I O N
				L O W			H 2
	L 1			M E D		H 3

O P T I O N A L P O W E R

F A C T O R C A P A C I T O R S

X 3

X 4
		S T A B I L I Z E R
X 1	F A N
		C I R C U I T
	M O T O R

M T R

1 5 0 / 1 0 0 W

X 2

V

1 0 0 0

5 W

R E C T I F I E R

O V E R L O A D

T H E R M O S T A T

E L E C T R O D E

W O R K

– 17 –

	I N P U T			L 2	H 5
							H 4
						H I G H
	L E A D S
			R E C O N N E C T P A N E L
					T O G R O U N D P E R N A T I O N A L
					E L E C T R I C A L C O D E
R E C O N N E C T P A N E L L E A D P O S I T I O					N
2 2 0 / 3 8 0 / 4 4 0		3 8 0 / 5 0 0
IN P U T V O L T S	H 5	I N P U T V O L T S				H 5
2 2 0	L O W	3 8 0				L O W
3 8 0	M E D	4 1 5				M E D
4 4 0	H I G H	5 0 0				H I G H
P . F . C A P L E A D - H I G H		P . F . C A P L E A D - M E D

N . A .

			( - )
		A C 1		A C 2
	P O W E R
	R E C T I F I E R				C H O K E
( + )

A R C P O L A R I T Y S W I T C H

S U P P R E S S O R	( L O O K I N G F R O M I N S I D E M A C H I N E )
C I R C U I T

N . A . B O L T E D C O N N E C T I O N O N M A C H I N E S

W I T H C O P P E R C O I L S .

M A C H I N E S A R E S H I P P E D F R O M F A C T O R Y C O N N E C T E D	C O N N E C T I O N S M U S T B E T I G H T E N E D S E C U R E L Y .
F O R H I G H E S T I N P U T V O L T A G E .	E L E C T R I C A L S Y M B O L S P E R E 1 5 3 7 .

8 - 2 - 9 0

S 1 9 4 4 1

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..