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A-13
INSTALLATION
A-13
LN-8
GND
77
76
75
32
31
2
4
A
B
C
4
2
GND
32
31
21
DUAL PROCESS
CONTACTOR
4
2
32
31
75
76
77
A
A
4
2
32
31
75
76
77
B
B
A
B
C
4
2
GND
32
31
21
81
80
ELECTRIC
SHOCK
CAN KILL
TURN OFF INPUT POWER
TO THE WELDING POWER
SOURCE USING THE
DISCONNECT SWITCH
BEFORE WORKING
ON THIS EQUIPMENT.
WARNING
4
21
32
DC-400
TO WORK
TO NEGATIVE OUTPUT
STUD ON POWER
SOURCE
TO POSITIVE OUTPUT
STUD ON POWER
SOURCE
231
75
76 77
WELDER
CONTROL
CABLE
N.A.
N.C.
N.F.
21A
21B
N.B.B.
WELDING LEAD STUD ON
BACK OF CONTACTOR KIT
N.E.
N.A.
N.D.
ELECTRODE
CABLES
WIRE FEEDER
CONTROL
CABLE
WIRE FEEDER
CONTROL
CABLE
TO "A" WIRE FEEDER
ELECTRODE NEGATIVE
TO "B" WIRE FEEDER
ELECTRODE POSITIVE
N.B.
N.B.
N.A.
FOR 50 HZ OPERATION, DISCONNECT BOTH BROWN LEADS FROM TERMINAL 31B AND TAPE UP EACH LEAD. UNTAPE BOTH RED LEADS
AND CONNECT TO 31B.
N.A.A. CONNECT THE LN-8 CONTROL CABLE GROUND LEAD TO THE FRAME MARKED NEAR THE POWER SOURCE TERMINAL STRIP OR
TO AN UNPAINTED FRAME SCREW. THE POWER SOURCE MUST BE PROPERLY GROUNDED.
N.B.B. EXTEND LEAD #21A AND #21B USING #14 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, THESE EXTENDED #21A AND
#21B LEADS SHOULD BE TAPED TO THE WELDING WORK LEAD. EACH LEAD MUST BE CONNECTED DIRECTLY TO THE WORK AND LEADS
MUST NOT BE CONNECTED TOGETHER.
N.A. WELDING CABLES MUST BE OF PROPER CAPACITY FOR THE CURRENT AND DUTY CYCLE OF IMMEDIATE AND FUTURE APPLICATIONS.
N.B. BOLT AND TAPE CONNECTIONS.
N.C. TAPE UP SEPARATELY.
N.D. PUT TRANSFER SWITCH IN "OPPOSITE POLARITY ON FEEDERS" POSITION.
N.E. MODE SWITCHES ON CONTACTOR KIT ARE NOT FUNCTIONAL WHEN USED WITH THE POWER SOURCE.
N.F. TO MAKE "A" FEEDER POSITIVE POLARITY AND "B" FEEDER NEGATIVE POLARITY, REVERSE ELECTRODE CABLES CONNECTED TO
POWER SOURCE OUTPUT STUDS.
N.A.A.
N.B.B.
N.A.
FIGURE A.9 – K318 DUAL PROCESS CONTACTOR KIT DC-400, CV-400 AND CVI-500 CONNECTION TO
LN-8 FOR OPPOSITE POLARITY OPERATION
CLEVELAND, OHIO U.S.A.