1
EN
Table of contents
General remarks ........................................................................................................................................... 2
Machine concept ...................................................................................................................................... 2
System requirements ............................................................................................................................... 2
Area of utilizationt ..................................................................................................................................... 2
Warning notices affixed to the machine ................................................................................................... 3
Options .......................................................................................................................................................... 4
Optional mode selector switch ................................................................................................................. 4
Optional TR 4000 C control panel ............................................................................................................ 4
Optional key-lock switch ........................................................................................................................... 4
Description of the control panel ..................................................................................................................... 5
General remarks ...................................................................................................................................... 5
VR 4000 Ci control panel ......................................................................................................................... 5
Controls and connection points ..................................................................................................................... 8
Front of wirefeeder ................................................................................................................................... 8
Further explanations regarding the “Gasflow regulator with flow-rate indicator” ...................................... 8
Rear of wirefeeder ................................................................................................................................... 9
Side of wirefeeder .................................................................................................................................... 9
Mode selector switch option ................................................................................................................... 10
Connecting up the wirefeeder to the power source ...................................................................................... 11
General remarks ..................................................................................................................................... 11
Connecting up the wirefeeder to the power source ................................................................................. 11
Mounting the welding torch ......................................................................................................................... 12
Torch connections .................................................................................................................................. 12
Mounting the welding torch .................................................................................................................... 12
Inserting the wirespool ................................................................................................................................ 13
General remarks .................................................................................................................................... 13
Inserting the wirespool ........................................................................................................................... 13
Inserting / changing the feed rollers ............................................................................................................ 14
General remarks .................................................................................................................................... 14
Inserting / changing the feed rollers ....................................................................................................... 14
USA wirefeeders .................................................................................................................................... 14
Feeding in the welding wire ......................................................................................................................... 15
Safety ..................................................................................................................................................... 15
Feeding in the welding wire .................................................................................................................... 15
Setting the contact pressure .................................................................................................................. 16
Technical data ............................................................................................................................................. 17
Technical data ........................................................................................................................................ 17
Spare parts list
Fronius Worldwide
