Electrical Diagrams - Lincoln Electric Idealarc DC600 9773MSP Service Manual

T O
S U P P L Y
L I N E S
S I N G L E V O L T A G E 4 4 0 & 4 6 0 v
T O G R O U N D P E R
N A T I O N A L
3
E L E C T R I C A L
C O D E 2
1
T O P R I M A R Y C O I L S
L E G E N D
C 7 . 0 5 + . 0 5 M F D
F 1 8 A M P S L O W B L O W F U S E
R 1 1 0 K P O T N . A .
R 2 3 0 , 1 0 0 W
T 1 M A I N P O W E R T R A N S F O R M E R
L E A D S 4
T 2 C O N T R O L T R A N S F O R M E R
T H R U 9
1 C R I N P U T C O N T A C T O R
2 C R F A U L T P R O T E C T I O N R E L A Y T O I N P U T
3 C R C U R R E N T A C T I V A T E D R E E D S W I T C H
4 C R O U T P U T P I L O T R E L A Y
S W 1 I N P U T P O W E R
S W 2 E L E C T R O D E P O L A R I T Y
S W 3 O U T P U T C O N T R O L
S W 4 W E L D I N G M O D E ( S H O W N I N S T I C K P O S I T I O N )
N O T E S :
N . A . L E A D S 4 T H R U 9 A R E N O T P R E S E N T O N
4 6 0 V . , 3 8 0 / 5 0 0 V . & 4 6 0 / 5 7 5 V . M A C H I N E S .
N . B . F O R S T I C K W E L D I N G O R A I R C A R B O N A R C
W I T H O U T A M U L T I - P R O C E S S S W I T C H I N S T A L L E D ,
D I S C O N N E C T A L L E L E C T R O D E , W O R K , A N D
C O N T R O L L E A D S T O A N Y W I R E F E E D E R S .
J U M P E R 2 T O 4 . O U T P U T T E R M I N A L S W I L L
N O W B E E N E R G I Z E D . P L A C E M O D E S W I T C H
I N V V F O R S T I C K A N D C V ( I ) F O R A I R
C A R B O N A R C . S E E O P E R A T I N G M A N U A L
F O R F U R T H E R I N S T R U C T I O N S .
N . C . C E N T E R T E R M I N A L O F F U S E H O L D E R .
N . D . W E L D I N G C A B L E M U S T B E O F T H E P R O P E R
C A P A C I T Y F O R T H E C U R R E N T A N D D U T Y C Y C L E
O F I M M E D I A T E A N D F U T U R E A P P L I C A T I O N S .
N . E . T H I S D I A G R A M S H O W S T H E " S T I C K " P O L A R I T Y
" P O S I T I V E " . T O C H A N G E T H E P O L A R I T Y , T U R N
T H E D C - 6 0 0 O F F , A N D R E V E R S E T H E L E A D S A T
T H E M U L T I - P R O C E S S S W I T C H .
N . F . U S I N G A W I R E F E E D E R , K - 3 1 7 O R K - 3 1 8
C O N N E C T I O N D I A G R A M , C O N N E C T E L E C T R O D E
A N D W O R K L E A D S T O T H E S E T E R M I N A L S
I N S T E A D O F T H E P O W E R S O U R C E
O U T P U T T E R M I N A L S .
T H E S E N O T E S A P P L Y O N L Y T O D C - 6 0 0 W I T H A
M U L T I - P R O C E S S S W I T C H I N S T A L L E D .
J 3 J 6 J 4 J 7
J 5
J 2 J 1
C O N N E C T O R C A V I T Y N U M B E R I N G S E Q U E N C E
( V I E W E D F R O M C O M P O N E N T S I D E O F B O A R D )
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
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.

ELECTRICAL DIAGRAMS

FIGURE G2 - Wiring Diagram for Code 9774
T P 1
H 3
H 1
N C S W I T C H
2 7 2 A
X 1
H O L D
+
L 3 I N
2 1 1
L 2
_
2 1 2
P I C K D 1
L 1
U P
C R 1 2 7 1 A
2 7 2
1 2 3 3 2 A
S
S
1 3 1
T 1
A U X . 2
1 3 1 4 1 5
F
F
2 0 5
P R I .
F F
F
2 0 3 2 0 7
6
4 5
S F A N
S S
2 0 4 A U X . 1 2 0 6
P A N E L 2 0 8 M O T O R
7 8 9
T H E R E I S N O
1 0 , 1 1 & 1 2
P R I . 4
C O N N E C T I O N
O N 3 8 0 O R
1 2
1 0 1 1
T R I P L E V O L T A G E
M A C H I N E S .
S E C .
S E C .
L E A D S T O
G 1
G 3
C I R C U I T
G 5
A A A
S C R S C R S C R
3 5
1
C C C
O U T P U T
S N U B B E R
C C C
S C R S C R
S C R
2 4 6
A A A
O U T P U T R E C T I F I E R
G 6
A S S E M B L Y
G 4 F I R I N G C I R C U I T
G 2
2 1 0
3 2 A
X 1
3 1
T 2
2 1 0
H 1
S T A R T V M
S T O P + -
2 1 1 S W 2
2 1
2 2 2
H 2
F 1
S W 1
2 1 2
2 2 2 2
2 5 5
H 3 3 2
A M
+ -
2 1
4 2 3 1 3 2
X 2
2 7 1
7 5
2 7 1
T . S . 2
C R 2
2 5 5
B
A
P I L O T
R 2 3 5
L I G H T
2 3 3
2 5 6
P R I M A R Y
2 5 6
T H E R M O S T A T
2 7 3
S E C . L E A D
3 1 T H E R M O S T A T
2 1 5
2 1 0
3 2 A
3 1
2 1 5
2 1 6
B
4 5 6
T O O U T P U T
7 8 9
R E C T I F I E R
A
A S S E M B L Y
( - )
2 1 4
C R 4
2 2 2
R 2 2 2 2
2 1 5
O U T P U T
C H O K E
C 7
G A T E
N . D .
F I R I N G
2 1 0
P . C .
S C R
B O A R D
( + )
S N U B B E R S
J 4 2 1 0
2 1 5
C R 3 + -
2
4
O U T P U T S H U N T
2 1 0
2 1 5 ( 5 0 M V @ 8 0 0 A M P S }
2 2 0
2 1 0
2 1 5 2 1 5
2 1 5
2 2 0
2 1 5
2 1 5
2 1 5
W O R K
N . D . , N . F .
E L E C T R O D E
O P T I O N A L U S E R S U P P L I E D J U M P E R F O R
O P T I O N A L
T H O S E S I T U A T I O N S W H E R E I T I S N O T
G A T E L E A D S T O
M U L T I - P R O C E S S
N E C E S S A R Y T O H A V E S E P A R A T E G R O U N D
S W I T C H
P . C . B O A R D
C A B L E S F O R S T I C K A N D S E M I - A U T O M A T I C
J 4
W E L D I N G .
2 3 6 R 1
O U T P U T
C O N T R O L
2 3 7 7 5 2 1 5
2 2 9
7 6
S W 3
N . C .
7 7
2 2 6
8 0
2 3 8
S W 4
8 1
2 3 2
2 2 4
7 5 7 6 7 7 8 0 8 1
2 8 0
8 0 8 1
T . S . 3
2 3 5 2 2 9
1 1
2 5 6 2 2 7 5
2 5 5 3 3 2 3 2
2 3 1 4 4 8 0
2 3 8 5 J 2 5 8 1
2 3 3 6
6 2 2 6
J 1
7 7 2 2 4
8 8 2 1 5
9
9
1 0 1 0 2 8 0
1 1
2 1 0
1
J 3 1 2
2 1 5 2
1 3 2 2 0
C O N T R O L 2 2 2
1 4
P . C . B O A R D
G 3 2 1 6
1 1
G 6 2 2 0 3
2
G 1 3 3 2 0 6
J 4
G 4 4 2 0 4
4
5
G 5 5 2 1 5
6 2 1 5
G 2 6
J 5
7 2 0 5
1 2 0 8
A 8
B 2
9 2 0 7
3 1 0 2 3 1
B '
4 1 1
J 7
C 5
1 2
C ' 6
1 X
7
A ' 8 2 Y
J 6
3 Z
F I R I N G C I R C U I T
4
P . C . B O A R D
L E A D S 2 1 0 & 2 1 5 A R E
T W I S T E D T O G E T H E R
+ T O S T I C K E L E C T R O D E H O L D E R O R
A I R - C A R B O N A R C T O R C H
N . E .
N . D .
T O " W O R K " U S E D W I T H S T I C K
-
O R A I R - C A R B O N A R C
S T I C K W O R K L E A D N O T
U S E D W H E N J U M P E R I S
U S E D .
G-6
IDEALARC DC600