Lincoln Electric LN-25 Service Manual page 92

G-2
WIRING DIAGRAM - ABOVE CODE 11140 (G4679)
ARC
VOLTMETER
VM
621
N.B.
TO
S1
S1
BLACK 621
POLARITY
WORK CLIP SWITCH
NEG
POS
N.L.
667
S1
67
N.F.
N.F.
INPUT
CABLE
CONTACTOR
COIL
CONTACTOR
N.D.,N.E.
1 1
2
1 3 1
4 6
3 4 6
2
J7,J15 J1,J16 J2,J11
J14
1 7 1
8 14 9
J4
J3
ELECTRICAL SYMBOLS PER E1537
CONNECTORS VIEWED FROM INSERTION END
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The wiring diagram specific to your code is pasted inside one of the enclosure panels of your machine.
¤ ¤
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N.B., N.D.,
S4
J7
COLD INCH
530C 1 530B
PUSHBUTTON
SWITCH 500C 2 500B
6
2
530A 530A
7
512 4
512
9
606 6
1 606
5 607 3
N.M .
530
4 1 530
500
8 5 500
3
10
OPTIONAL J11
J14 2
TIMER PLUG
N.G.
N.H .
621 621
+
667 667
500A
667 622A
J5
A 622A
B
TRIGGER
621
C 500A
CONNECTOR
608
D
E
690
S5
691
PURGE
621
PUSHBUTTON
SOLENOID P.C.
608
BOARD PLUG
S5
N.L. N.D.
690
GAS
SOLENOID
VALVE
691
S1
CW
ESD SNUBBER
R1 N.L.
N.J.,N.K
67
10K W
WIRE SPEED
N.B.
CONTROL RHEOSTAT
S1 S2
S5
N.F.
NOTES
N.A.
JUMPER PLUG MUST BE INSTALLED IF REMOTE KIT IS NOT PRESENT.
N.B. CONNECTIONS AS VIEWED FROM BACK OF RHEOSTAT AND SWITCHES.
N.D.
ITEM FACTORY INSTALLED ON SOME MODELS AND OPTIONAL EQUIPMENT ON SOME MODELS.
N.E. CONTACTOR CAN BE INSTALLED IN UNITS WITH AN L12253-1 CONTROL PC BOARD.
5
N.F. WHEN A CONTACTOR IS NOT USED, THE '67' LEAD TO THE POLARITY SWITCH COMES FROM THE CONDUCTOR
BLOCK AND THE INPUT CABLE CONNECTS DIRECTLY TO THE CONDUCTOR BLOCK.
E
10 N.G. IF TIMER KIT IS NOT INSTALLED:
D A
-ON UNITS WITHOUT REMOTE PC BOARD, JUMPER MUST BE INSTALLED IN J11.
C
B
-ON UNITS WITH REMOTE PC BOARD, JUMPER MUST BE INSTALLED IN J6 OF REMOTE PC BOARD.
8
N.H. TIMER KIT HARNESS INSTALLATION:
- ON UNITS WITH REMOTE PC BOARD, TIMER HARNESS MUST PLUG INTO J6 OF REMOTE PC BOARD.
J5
- ON UNITS WITHOUT REMOTE PC BOARD, TIMER HARNESS MUST PLUG INTO J11.
16
N.J. PROVIDES AN ESD PATHWAY FROM EXPOSED METAL SURFACES TO WORK.
N.K. PRESENT ON EUROPEAN MODELS ONLY.
N.L. CONNECTS TO BUSHING OF COMPONENT.
N.M. J14 JUMPER PLUG USED ON K428 ONLY.
ELECTRICAL DIAGRAMS
OPTIONAL REMOTE
KIT PLUG
CONTROL
6
P.C. BOARD
N.A.
7
9
1
5 7
J14
4 15
9
8
3 16
13
10
12
2
10
14
J3
8
11
3 1
6
1
J1
2 5
4 3
2
4
1
4
J4
5
J2
2
3
6
3
8 1 9 10 4 11 2 6 7 5 13 14
12
N.D.
N.B.
J16
LO
HI 3 1 2 4
CV VV
S2
S3
WIRE SPEED DIAL
WIRE FEED U B R
RANGE SWITCH
N.B. MODE SWITCH
2 1
HALL
EFFECT
SWITCH
GUN CABLE
R
CLEVELAND, OHIO U.S.A.
TIMER P.C.
BOARD
530
1
530A
2
3 607
J10
4 512
5 500
500
6 606
607
622
OPTIONAL TIMER KIT
512
530A
ARC VOLTS
R3
624
75 A
500A
75
77
76 B
530 76
77 C
606
D
621
E
622A
F
OPTIONAL REMOTE VOLTAGE CONTROL
1 2
2 41
3 42
4
4
J12
REMOTE
5
P.C. BOARD
6
7
8
1 622A
2 621
J6
3 500A
4 530A
5 530 76
77
N.G. 6 624
1 2 3 4 5 6
J8
7 606 R3
8 622
ARC VOLTS
9 607
N.H.
10 512
11
12 500
TO J3 ON
CONTROL BOARD
TO TIMER P.C. BOARD
OPTIONAL 42 VOLT REMOTE OUTPUT CONTROL
REMOTE
1 701
P.C. BOARD 2 700
J13
3
702
4
1 622A
76
2 621
77
J6
3 500A
R3
530A
J15 4
5 530 ARC VOLTS
6 624
N.G.
1 2 3 4 5 6 J8
7 606
8 622
9 607
N.H. 512
10
11
12 500
TO J3 ON
CONTROL BOARD
02/07/2005
OPTIONAL REMOTE OUTPUT CONTROL
REMOTE 34
1
P.C. BOARD
2 33
J13
3
21
4 4
1 622A
2 621 77
J6
3 500A
4 530A
5 530 ARC VOLTS
N.G.
6 624
1 2 3 4 5 6 TO
J8
7 606
POLARITY
8 622
N.H. SWITCH
9 607
10 512
11
500
12
TO TIMER P.C. BOARD
OPTIONAL PULSE POWER ADAPTOR KIT
G-2
N.H.
41 A
42 B
2 C
4 D
E
75 F
76 G
77 H
75
75 A
76 B
77 C
700 D
701 E
702 F
75
667 A
4 B
33 C
34 D
21 E
F
75
G
76
76
H
77
75
I
621
R3
TO J3 ON
CONTROL BOARD
B
G4679