Lincoln-electric IDEALARC DC 1000 SVM123-A User Manual download pdf (Page 14)

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INSTALLATION

IDEALARC DC-1000

A-8

OUTPUT CONNECTIONS

See Table A.1 for recommended IDEALARC DC-1000

cable sizes for combined length of electrode and work

cables.

TABLE A.1

Suggested Copper Cable Sizes - 100% Duty Cycle

Combined Lengths of Electrodes and Work Cables

Amperes Length Cable Size

1000 0 - 250 ft. 3-3/0

(76.2m) (3 x 85.0 mm

)

CONNECT ELECTRODE AND WORK

LEADS TO OUTPUT TERMINALS

The output terminals are located on the lower case

front and labeled “+” and “-”. See Figure A.4. There

are 1000 amp rated “+” terminals on the right side,

one 500 amp rated “+” terminal near the center and “-”

terminals on the left side. They are fully recessed to

minimize the possibility of accidental contact by an

object or a person.

The 1000 amp output connections provide the full

rated output range of the machine.

The 500 amp output connections provide enhanced

lower current arc characteristics, especially for sub-

merged arc and GMAW procedures below 450 amps.

1. Set the ON/OFF PUSH BUTTON to OFF.

2. Insert the electrode lead through the oval opening

in the lower shelf of the front case, closest to the

desired polarity (positive or negative). Pull through

enough cable to reach the output terminals.

3. Connect electrode lead to the desired terminal

(positive or negative) and tighten the output ter-

minal nut with a wrench.

4. Connect the second work lead to the other out-

put terminal (positive if negative is attached and

vice versa) following steps 2 and 3.

AUXILIARY POWER

This machine supplies the 115 volt, AC power need-

ed for operating wire feeding equipment. The power

is available from terminals #31 and #32 on the termi-

nal strip. An 8 amp slow blow fuse on the machine

control panel protects the auxiliary power from

excessive overloads. The circuit has a 1000 volt-

ampere rating.

CONNECTION FOR SEMI-AUTOMATIC

OR AUTOMATIC WIRE FEEDER

CONTROL

With the DC-1000 turned off, the control cable from

the semi-automatic or automatic wire feeding equip-

ment is connected to the terminal strip. A strain relief

box connector is provided for access into the termi-

nal strip section. A chassis grounding screw is also

provided below the terminal strip marked with the

symbol for connecting the wire feeding equip-

ment grounding wire. See the appropriate connec-

tion diagram for the exact instructions for the wire

feeder being used. A spare plugged hole is provided

in case an additional box connector is required.

NOTE: See the

ACCESSORIES

Section of this man-

ual for specific instructions on connecting the follow-

ing semi-automatic and automatic wire feeders:

• LN-7

• LN-8

• LN-9

}

Semi-Automatic Wire Feeders

• NA-3

• NA-5

}Automatic Wire Feeders

•LT-7

• LT-56

}

Tractors

FIGURE A-4 - Output Terminals

A-8

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 112 113

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