Figure C.7 V350-PRO/LN-742 Connection Diagram

C-10

ACCESSORIES

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CONNECTION OF THE LN-742 TO THE V350-PRO (SEE FIGURE C.7)

NOTE: AN LN-7 CAN ONLY BE USED WITH A FAC- TORY OR “CE” VERSION OF THE V350-PRO.

1.Remove input power to the V350-PRO.

2.Connect the electrode cable from the LN-742 to the “+” terminal of the welder. Connect the work cable to the “-” terminal of the welder.

NOTE: Figure C.7 shows the electrode connected for positive polarity. To change polarity, shut the welder off and reverse the electrode and work cables at the output terminals.

NOTE: Welding cable must be sized for current and duty cycle of application.

3.Connect the K591 control cable to the 24/42VAC 14 pin amphenol on the back of the V350-PRO and the input cable plug on the LN-742.

4.Set the “VOLTMETER” switch to “+” or “-” depending on the polarity chosen.

5.Set the “MODE” to the “CV-WIRE” position..

6.Set “CONTROL SELECT” to “LOCAL”.

7.Place the “WELD TERMINALS SELECT” in the “REMOTE” position.

8.Adjust wire feed speed at the LN-742.

9.Set the “ARC” control at “0” initially and adjust to suit.

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