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3.5 Carbon arc gouging

Constant voltage (CV) mode is recommended to be used with carbon arc gouging. In CV

mode the voltage is adjusted. Gouging is also possible in MMA mode. Refer to the table below

for voltage and amperage settings.

Electrode Voltage (V) / CV Mode Amperage (A) / MMA mode

6.35 mm (1/4”) 36–45 V 170–330 A

8 mm (5/16”) 39–45 V 230–450 A

9.5 mm (3/8”) 43–45 V 300–500 A

3.6 Wireless remote

In addition to the analog remote control unit, Master S also supports wireless remote. Wireless

remote is activated by selecting remote operation mode with the 'Remote' button in the panel

and then choosing 'r11' (wireless remote control R11T) through the panel's setup function.

VRD mode must be switched o. Wireless remote doesn't function when VRD is on.

Using wireless remote:

1. Set the desired welding current with the adjustment knob in the remote.

2. Touch the work piece with the remote tip and at the same time touch the remote's

contact surface with the electrode.

Master S 400, 500

Kemppi Master S 400 User Manual

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