Wiring Diagram - Lincoln Electric WELD-PAK 155 Operator's Manual

WELD-PAK 155 WIRING DIAGRAM
CUSTOMER VOLTAGE RECONNECTION FOR DUAL VOLTAGE MACHINE
MACHINE AS SHIPPED FROM FACTORY IS CONNECTED FOR 230V AS SHOWN. TO RECONNECT MACHINE FOR 208V,
FIRST DISCONNECT MACHINE FROM INPUT POWER, THEN REMOVE CASE SIDE, REMOVE LEAD MARKED "H1" FROM CR1. REMOVE TAPE
SECURING H3 LEAD ASSEMBLY TO INPUT CORD. CONNECT H3 TO CR1. INSULATE H1 LEAD (AND ALSO H3 TERMINAL FOR SOLENOID
IF UNUSED) FOR 300V WITH ELECTRICAL TAPE AND SECURE TO INPUT CORD. REINSTALL CASE SIDE BEFORE CONNECTING INPUT
POWER. RECONNECTION TO 230V IS THE REVERSE OF ABOVE PROCEDURE. SEE INSTRUCTION MANUAL FOR DETAILS.
G A S S O L E N O I D
H 2
I S P A R T O F M I G
C O N V E R S I O N K I T .
H 2
H 2
2 0 8 V / 6 0 H Z
G A S
H 1
S O L E N O I D
2 3 0 V / 6 0 H Z
F A N M O T O R
2 4 V
A U X I L I A R Y
T O E A R T H G R O U N D
W I N D I N G
P E R N A T I O N A L , L O C A L
O R O T H E R A P P L I C A B L E
E L E C T R I C A L C O D E S .
S 1
O N - O F F
G
S W I T C H
C A S E
G R O U N D I N G
S T U D
C I R C U I T
B R E A K E R
N . A . D I O D E S D 1 , D 3 , D 5 & D 7 A R E M O U N T E D
O N T H E O U T S I D E H E A T S I N K .
N . B . D I O D E S D 2 , D 4 , D 6 & D 8 A R E M O U N T E D O N T H E I N S I D E
H E A T S I N K , W H I C H I S C L O S E S T T O T H E C E N T E R P A N E L .
N . C . C O M P O N E N T V I E W E D F R O M R E A R .
N . D . B O L T E D A L U M I N U M C O N N E C T I O N S R E Q U I R E T 1 2 8 3 7 J O I N T
C O M P O U N D ( D O W C O R N I N G 3 4 0 ) W H E N R E A T T A C H I N G .
C O N T R O L P . C . B O A R D
L S 1
1 3
2
N . O .
2 0 9
5 4 1 2 1 4
C R 1
H 3
H 1 H 3
( 2 3 0 V ) ( 2 0 8 V )
H 2
2 1 1
2 1 4
N . C .
H 3 H 1
X 6
X 5
X 4
X 3
H 2 X 2
T 1
S 2
S E L E C T O R
S W I T C H
HIGH VOLTAGE
can kill
J 1
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
L E A D C O L O R C O D E :
B - B L A C K
4 6 7 8
5 9 1 0
W - W H I T E
2 1 3 2 0 8 2 0 3
2 0 4 5 3 9
W I R E S P E E D
5 K
R 2
2 0 8
2 0 3
2 0 4
2 0 4
2 0 4
D 1
D 5
2 0 4
X 1
D 2 D 6
N . A .
C 1
N . D .
2 0 2
N . B .
D 4 D 8
2 0 3
D 3 D 7
2 0 3
2 0 3
2 0 3
47
Do not operate with covers removed.
Disconnect input power by unplugging
power cord before servicing
Do not touch electrically live parts
Only qualified persons should install, use or
service this machine.
1 2 3 4
6 7 8 9 1 0
C A V I T Y N U M B E R I N G S E Q U E N C E
( C O M P O N E N T S I D E O F B O A R D )
N . C .
G U N T R I G G E R
2 1 3
2 0 9
2 1 1
( W )
T H E R M O S T A T
5 3 9 -
( M O U N T E D T O
D I O D E H E A T S I N K )
5 4 1
+
( B )
O U T P U T
2 0 4
+
C H O K E
T O
W O R K
2 0 4
9 3 , 0 0 0 f
N . D .
4 0 V
2 0 3
-
G U N C A B L E
C O N D U C T O R
B L O C K
5
L A T C H
T H E R M O S T A T
( M O U N T E D T O
S E C . C O I L )
W I R E
F E E D
M O T O R
REV 3/97
M17687