Operating instructions - EWM Hightec Welding GmbH

Design and functionTIG weldingLatched special1. 2. 3. 4.P AP BP ENDtP STARTFigure 5-47ItSelection• Select latched special mode .Step 1• Press and hold torch trigger.• Shielding gas is expelled (gas pre-flows).The arc is ignited using liftarc.• Welding gas flows at pre-selected setting in start program "P START".Step 2• Release torch trigger.• Slope on main program "P A".The slope on main program P Ais given at the earliest after the set time t STARTelapses and at thelatest when the torch trigger is released.Tapping can be used to switch to the reduced main program "P B". Repeated tapping will switchback to the main program "P A".Step 3• Press the torch trigger.• Slope to end program "P END".Step 4• Release torch trigger.• Arc is extinguished.• Gas post-flow time elapses.5.10.5 TIG automatic cut-outNOTEThe welding machine ends the ignition process or the welding process with an• ignition fault (no welding current flows within 5 s after the start signal)• arc interruption (arc is intrerupted for longer than 5 s)82099-005234-EW50116.04.2012