Functions - Praxair MICROTIG 200 HF PULSE Manual De Instrucciones

5. FUNCTIONS

5.1 MMA WELDING MODE (coated electrode)
- Make the necessary connections to mains and earth as described in "Installation". Connect the earth and electrode holder
cables to welding plugs + (positive) and - (negative) according to electrode polarity. If necessary, read attentively the
electrode manufacturer instructions.
- Switch on the welding set on the ON/OFF switch.
- The overheating led indicator lights during a second if no failure has been found.
- The Power ON led indicator lights on, machine is connected and under voltage.
A - MMA welding process selection (coated electrode):
With machine connected, push key button 5 until led 1 lights on.
B - Welding current:
Push key button 5 until led 3 lights on (AMP). The value is shown on display 8.
C- Adjust welding current with the current adjusting knob 9, according to the following table:
Electrode diameter (mm)
Adjusting current scope (Amp)
B.2 - Hot Start - To increase arc ignition – To adjust Hot Start, push key button 5 until Hot Start led indicator 2 lights on.
B.3 - Arc Force - To avoid electrode sticking during welding – To adjust Arc Force, push key button 5 until Arc Force led
indicator 4 lights on. With button 9, adjust Arc Force current percentage.
17
 2,0
50 - 70
With button 9, adjust Hot Start percentage.
PRAXAIR MICROTIG 200 HF PULSE
 2,5  3,2  4,0
60 - 100 80 - 150 130 - 200
 5,0  6,0
150 - 260 200 - 360