Connection To The Input Power - Lincoln Electric K2751-2 Operator's Manual

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Table Of Contents

Table of Contents

A-10

To change the motor from 480V to 208/240V, proceed

as follows.

1. Open left door.

2. Loosen 4 screws from motor connection block (A)

and remove cover. See Figure A.16.

3. Disconnect the 3 phase wires from the motor

connection block.

FIGURE A.16 – MOTOR CONNECTION BLOCK

Cable jumpers and wiring diagram necessary to

change the motor setting, are supplied in a plastic

folder which can be found on the upper right side

of the downdraft table.

• Reconfigure the wiring from Y to YY in accordance

with the wiring diagram.

• Replace cover of motor connection block.

To reconfigure the transformer, proceed as

follows. See Figure A.17.

1. Open door to access high voltage electronics.

See Figure A.2, item Q.

Transformer (A):

2. Disconnect the wire from the primary 480V tap

(grey) and reconnect the primary 208V tap (brown)

or 240V tap (violet).

Overload relay (B):

3. Adjust overload relay to 10 Amps.

4. Close and lock all doors.

INSTALLATION

FIGURE A.17 – CHANGE OF TRANSFORMER