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
I S P A R T O F M I G
C O N V E R S I O N K I T .
2 0 8 V / 6 0 H Z
G A S
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 .
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
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 .
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.
C O N T R O L P . C . B O A R D
H 2
L S 1
H 2
1
2
H 2
N . O .
2 0 9
5 4 1
C R 1
H 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 .
S 1
H 3
H 1
X 5
C I R C U I T
X 4
X 3
B R E A K E R
H 2
X 2
T 1
S E L E C T O R
S W I T C H
NOTA: Este diagrama es sólo para referencia. Es posible
que no sea exacto para todas las máquinas que se
mencionan en este manual. El diagrama específico
para su máquina se localiza dentro de la misma, en
uno de los páneles.
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
3
4
6
7
8
5
9
1 0
W - W H I T E
2 1 3
2 0 8
2 0 3
2 1 4
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
D 1
D 5
X 1
D 2
D 6
N . A .
X 6
C 1
N . D .
2 0 2
N . B .
S 2
D 4
D 8
2 0 3
D 3
D 7
2 0 3
2 0 3
2 0 3
30
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
6
7 8
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
2 0 4
T O
2 0 4
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
NOTA: Ce schéma n'est donné qu'à titre de référence. Il
peut ne pas être exact pour toutes les machines traitées
dans ce manuel. Le schéma particulier pour un code spé-
cial est collé à l'intérieur de la machine sur un des pan-
neaux du boîtier.
3 4
5
9 1 0
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