Lincoln Electric NA-3S Operator's Manual page 93
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Also See for NA-3S:
- Operator's manual (112 pages) ,
- Specification sheet (8 pages) ,
- Service manual (110 pages)
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Methods of Burnback
For earlier logic P.C.
For Logic P.C. Boards with
Boards with jumpers
dip switches
Connect
1
2
3
4
1
2
3
4
Wire feed stop & contactor
Lead #693 to P3
delay
Lead #690 to P4
SWITCH #1
SWITCH #2
Connect
1
2
3
4
1
2
3
4
Inch up & contactor delay
Lead #693 to P1
Lead #690 to P4
SWITCH #1
SWITCH #2
Connect
1
2
3
4
1
2
3
4
Inch up & no contactor
Lead #693 to P1
delay
Lead # 690 to P2
SWITCH #1
SWITCH #2
FLUX OR
WATER
539
SOLENOID
87
531
627
532
CONTROL POWER
631
SWITCH
2
531
GND A
532
531A
31
32
VM
+
-
21
67
POWER SOURCE
532
531
OUTPUT CONTROL
532
R2
10K
25
HAND
OFF
77
576
575
AUTO
TRAVEL
SWITCH
BREAKER
625
INCH UP
WIRE FEED
SWITCH
SPEED CONTROL
R1
593
5K
INCH DOWN
641
642
634
SWITCH
592
STOP
START
SWITCH
SWITCH
539S
AM
+
-
592
582
581
539S
517
67
WORK TO POWER SOURCE
WORK
D.C. METER SHUNT
NA-3S WIRING DIAGRAM
Methods of Travel
For earlier logic P.C.
For Logic P.C. Boards with
Boards with jumpers
dip switches
Connect
1
2
3
4
1
2
Start/stop with switches
Lead #691 to P6
Lead #692 to P5
SWITCH #1
SWITCH #2
Connect
1
2
3
4
1
2
Lead #691 to P6
Start/stop with current
Lead #692 to P7
SWITCH #1
SWITCH #2
Connect
1
2
3
4
1
2
Start with current
Lead #691 to P5
Stop with stop switch
Lead #692 to P7
SWITCH #1
SWITCH #2
Start with start switch
Connect
1
2
3
4
1
2
Stop after crater fill
Lead #691 to P8
Lead #692 to P9
(Crater fill board installed)
SWITCH #1
SWITCH #2
WIRE FEED MOTOR
GROUNDING LEAD
PROTECTOR
4
4A
541
ARM
CR1
CR2
FLUX
TRAVEL
RELAY
RELAY
626
585
625
510
510
2
2
3
3
N.E.
589
A
87
87
4
1
B
1
531
531
4
C
GND.
GND.
FLUX CONNECTOR
532
A
532
B
25
C
531
D
GND.
TRAVEL
CONNECTOR
N.D.
N.G.
531A
531A
J1
5 AMP
A
VARIABLE VOLTAGE P.C. BOARD
CIRCUIT
539
539
B
541
541
C
627
627
D
626
626
J7
E
GND.
GND.
MOTOR CONNECTOR
A
2
2
B
4
4
C
TS2
31
31
D
32
32
E
21
21
F
75
75
G
J6
76
76
H
77
77
I
N.F.
GND.
CONTROL CABLE TO
POWER SOURCE
TERMINAL
STRIP
TS1
67
517
528
539S
4CR
ELECTRODE TO POWER SOURCE
REED SWITCH ACTUATED
BY WELDING CURRENT
N.A. WHEN START P.C. BOARD IS INSTALLED, JUMPER CONNECTOR "A" IS REMOVED.
1
2
3
4
N.B. THESE LEADS ARE NOT PRESENT ON LOGIC P.C. BOARDS
3
4
WITH DIP SWITCHES.
N.D. 531-532 115VAC
SWITCH EXAMPLE
531-25 115VAC (SWITCHED)
3
4
N.E. 87-531 115VAC - 1/2A SWITCHED.
SWITCH POSITION 1 IS UP
SWITCH POSITION 2 IS DOWN
N.F. ON EARLIER UNITS, LEAD #689 WAS LOCATED BETWEEN
SWITCH POSITIONS 3 AND 4 ARE NOT APPLICABLE
3
4
#31 AND #67 (FORMERLY #5), LEAD #510 WAS LOCATED
BETWEEN #87 AND #32 AND LEAD #31 WAS LOCATED
NEXT TO #681. CAREFULLY NOTE LEAD POSITIONS
BEFORE MAKING ANY CONNECTIONS TO TERMINAL
3
4
STRIP.
CR3
CONTACTOR
RELAY
510
2
3
682
250
510
4
1
1/2A SLOW BLOW FUSE
610
2
F1
N.H.
N.L.
3/10A FUSE
F3
N.K.
N.J.
GND
2
525
11
75
12
9
629
8
539
10
635
5
77
6
76
4
515
J9
3
583(S)
584(S)
7
CONTROL P.C.BD.
START P.C.BD. (OPTIONAL)
F2
3/10A FUSE
N.K.
GND
J12
525
11
2
626
75
12
1
627
629
9
10
541
539
8
7
539
635
10
12
532
77
5
9
631
76
6
6
610
583(C)
3
8
510
515
4
11
510A
588
1
7
584(C)
CRATER FILL P.C.BD.
(OPTIONAL)
NA3 SHIPPED WITH LOGIC PC BOARD
SET FOR INDICATED MODE OF TRAVEL
AND BURNBACK.
ELECTRICAL
SYMBOLS PER
E1537
N.G. WHEN CONTROLS ARE USED WITH R3S POWER SOURCES
OF THE TYPE WHICH USES TAPS CONNECTED WITH A
TRIANGLE PLATE FOR MAJOR VOLTAGE ADJUSTMENTS
JUMPER TO BE CONNECTED TO PIN "L". FOR ALL OTHER
POWER SOURCES, JUMPER TO BE CONNECTED TO PIN "H".
250VA
UNITS SHIPPED WITH CONNECTION MADE AT PIN "H".
N.H. THIS FUSE NOT PRESENT ON EARLIER CONTROL P.C.
BOARD MODELS.
N.J. THIS LEAD IS PRESENT ON CODES 10311 AND HIGHER.
N.K. THESE LEADS ARE NOT PRESENT ON EARLIER START AND
CRATER FILL P.C. BOARDS.
N.L. ALL FUSES WERE REPLACED WITH PTC RESETTABLE FUSES
ON LATER CONTROL P.C. BOARDS.
*
INDICATES CONNECTOR CAVITY NUMBERS
1
4
7
2
5
8
3
6
9
CAVITY NUMBERING SEQUENCE
(COMPONENT SIDE OF P.C. BOARD)
LOGIC
P.C.BD.
693
10
586
J4
7
587
1
637
J3
5
562
J5
3
589
2
585
JUMPER
CONNECTOR "A"
12
581
11
582
6
689
N.A.
4
528
8
510A
9
510A
JUMPER
CONNECTOR "B"
J1
8
510A
9
682
2
592
3
634
J2
6
681
4
576
1
575
N.B.
Use of crater fill board
Crater board installed?
For earlier logic P.C.
For Logic P.C. Boards with
Boards with jumpers
dip switches
Yes
Connect
1
2
3
4
1
2
3
4
(Remove jumper connector "B"
Lead #694 to P10
from 584(c) to 583(c))
SWITCH #1
SWITCH #2
No
Connect
1
2
3
4
1
2
3
4
(Install jumper connector "B"
Lead #694 to P8
from 584(c) to 583(c))
SWITCH #1
SWITCH #2
1
4
7
10
2
5
8
11
3
6
9
12
L6488-2
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