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Lincoln Electric NA-3 Manual De Servicio página 16

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A-10
SAF-600 O SA-800, TIPO "-O" O "-OF" Y M.G. SOLID STATE FIELD CONTROL.
SAF-600 OR SA-800
"-O" OR "-OF"
CONTROL BOX
68 OR 73
48
49
70 OR 74
69
C4
22
67
30
24
21
1
F4
2
31
32
AUTO
EQUIP.
TERM.
N.B.
THE ELECTRODE POLARITY SWITCHES ON THE POWER SOURCE AND FIELD CONTROL MUST BE SET FOR THE SAME POLARITY. THE POWER
SOURCE MUST BE OFF WHEN CHANGING THE POLARITY.
CONNECT THE CONTROL CABLE GROUND LEAD TO THE FRAME TERMINAL MARKED
AN UNPAINTED FRAME SCREW. THE POWER SOURCE MUST BE PROPERLY GROUNDED.
IF THE OPTIONAL SOLID STATE MOTOR GENERATOR FIELD CONTROL IS NOT USED, TAPE UP SEPARATELY THE LEADS A, B, AND C FROM
THE CONTROL CABLE. ALSO CONNECT A JUMPER FROM TERMINAL #2 TO TERMINAL #24 ON THE POWER SOURCE TERMINAL STRIP.
N.A. BOLT AND TAPE CONNECTION.
N.B. WELDING CABLES MUST BE OF PROPER CAPACITY FOR THE CURRENT AND DUTY CYCLE OF IMMEDIATE AND FUTURE APPLICATIONS.
N.C. EXTEND LEAD #21 USING #14 AWG OR LARGER INSULATED WIRE PHYSICALLY SUITABLE FOR THE INSTALLATION. AN S16586-[ ] REMOTE
VOLTAGE SENSING WORK LEAD IS AVAILABLE FOR THIS PURPOSE. CONNECT IT DIRECTLY TO THE WORK PIECE, KEEPING IT
ELECTRICALLY SEPARATE FROM THE WELDING WORK LEAD CIRCUIT AND CONNECTION. FOR CONVENIENCE, THIS EXTENDED LEAD #21
SHOULD BE TAPED TO THE WELDING WORK LEAD. THIS EXTENDED LEAD #21 CONNECTION REPLACES THE NEED TO EMPLOY THE
REMOTE WORK LEAD ACCESSORY ON LN-8 METER KITS, WHICH HAVE A DIRECT WORK LEAD JACK.
N.D. IF USING AN OLDER CONTROL CABLE, CONNECT LEADS #75, #76, AND #77 TO LEADS #75, #76, AND #77 OF THE FIELD CONTROL,
RESPECTIVELY.
INSTALACIÓN
FIGURA A.7 – CONEXIÓN DE NA-3 (TODAS) A UNA
WARNING
TURN OFF INPUT POWER
TO THE WELDING POWER
SOURCE USING THE
DISCONNECT SWITCH
BEFORE WORKING
ELECTRIC
ON THIS EQUIPMENT.
SHOCK
CAN KILL
OPTIONAL
SOLID STATE
FIELD CONTROL
4
24
1
32
31
2
N.A. AND N.C.
WORK TERMINAL
N.B.
NA-3 Y NA-4
FIELD CONTROL
INPUT CABLE
2
31
32
75
76
77
N.A.
21
GND
4
A
B
C
N.D.
ELECTRODE CABLE TO
AUTOMATIC SHUNT OR FEEDER
TO WORK
NEAR THE POWER SOURCE TERMINAL STRIP OR TO
R
CLEVELAND, OHIO U.S.A
A-10
TO AUTOMATIC
CONTROL CABLE
CONTROL BOX
OR FEEDER

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