Installation, Output connections – Lincoln Electric IDEALARC DC 1000 SVM123-A User Manual

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 mm2)

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

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