Lincoln Electric SVM140-A service manual Reconnect Procedure

A-6 A-6

INSTALLATION

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RECONNECT PROCEDURE

When received directly from the factory, the machines are internally connected for 230 VAC. Reconnection will be necessary if a higher input voltage is used. To reconnect the Pro-Cut to 460 VAC or to connect back to 230 VAC, follow the directions as outlined below. Follow this procedure ONLY while the Pro-Cut is dis- connected from the input power.

CAUTION

Failure to follow these instructions can cause immedi- ate failure of components in the welder.

FIGURE A.2 – RECONNECTION DIAGRAM

RECONNECT PROCEDURE

	WARNING
	• Disconnect input power before
	inspecting or servicing machine.
	• Do not operate with wraparound
	removed.
ELECTRIC	• Do not touch electrically live parts.
SHOCK	• Only qualified persons should install,
CAN KILL	use, or service this equipment.

1.BE SURE POWER SWITCH IS OFF.

2.CONNECT LEAD 'A' TO DESIRED INPUT VOLTAGE RANGE. 440 - 460V

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1.	Open the access door on the back of the machine.
	Connection instructions are also included on the
	inside of the door.
2.	For 230: Position the large switch to 200-230. See

380 - 415V

220 - 230V

200 - 208V

'A'

Return to

Figure A.2.

For 460: Position the large switch to 380-460. See

Figure A-2.

3. Move the “A” lead to the appropriate terminal.

3.POSITION SWITCH TO DESIRED INPUT VOLTAGE RANGE.

VOLTAGE = 380 - 460V

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VOLTAGE = 200 - 230V

PRO-CUT 55