Lincoln Electric SVM158-A service manual Remote Control

C-5 C-5

ACCESSORIES

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CONNECTION OF THE LN-25 TO THE V350-PRO “ACROSS THE ARC” WITH OPTIONAL 6 PIN K857 REMOTE CON- TROL.

1.Remove input power to the V350-PRO.

2.Connect the electrode cable to the output terminal of polarity required by the electrode. Connect the work lead to the other terminal. Welding cable must be sized for current and duty cycle of the application.

3.Connect the K857 remote control to the 6-pin amphenol on the V350-PRO.

4.Attach the single lead from the LN-25 control box to the work using the spring clip on the end of the lead. This is only a control lead - it carries no welding current.

5.Set the voltmeter switch to the electrode polarity chosen.

6.Set “CONTROL SELECT” to “REMOTE”.

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

8.Set “WELD TERMINALS SELECT” to the “ON” position.

CAUTION

If you are using an LN-25 without an internal con- tactor, the electrode will be “HOT” when the V350- PRO is energized.

9.Set the “ARC CONTROL” to the “O” position and then adjust to suit.

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Figure C.2 V350-PRO/LN-25 ACROSS THE ARC CONNECTION DIAGRAM WITH K857

REMOTE CONTROL

	K857
6 pin	Remote Control
Amphenol

		LN-25
+	-	Wire Feeder
		Work Clip Lead
		To Work
		To Work
		Electrode Cable

NOTE: Illustration shows electrode connected for negative polarity.

V350-PRO