35
EN
Before installation and commissioning
Safety
WARNING!
Danger due to incorrect operation and incorrectly performed work.
This can result in severe personal injury and damage to property.
► All the work and functions described in this document must only be carried out and 
used by trained and qualified personnel.
► Fully read and understand this document.
► Fully read and understand all the Operating Instructions for the system components, 
especially the safety rules.
Proper use The device is intended exclusively for wire feeding in MIG/MAG welding in conjunction with 
Fronius system components.
Utilisation for any other purpose, or in any other manner, shall be deemed to be not in ac-
cordance with the intended purpose.
The manufacturer shall not be held liable for any damages arising from such usage.
Proper use includes:
- carefully reading these operating instructions
- following all the instructions and safety rules in these operating instructions
- performing all stipulated inspection and maintenance work
Setup regulations
WARNING!
Danger from machines falling or toppling over.
This can result in severe personal injury and damage to property.
► Place all system components, upright consoles and trolleys on a solid, level surface in 
such a way that they remain stable.
► If a swivel pin holder is being used, make sure that the wirefeeder is seated securely.
The WF 15i, WF 25i and WF 30i wirefeeders are tested to IP23 protection, meaning:
- protection against penetration by solid foreign bodies with diameters exceeding 12.5 
mm (0.49 in.)
- protection against spraywater at any angle up to 60° to the vertical
The WF 15i, WF 25i and WF 30i wirefeeders can be set up and operated outdoors in ac-
cordance with degree of protection IP23. Avoid direct wetting (e.g. from rain).
The WF 15i n.S. wirefeeder without an integrated wirespool holder is tested to IP20 pro-
tection, meaning:
- protection against penetration by solid foreign bodies with diameters exceeding 12.5 
mm (0.49 in.)
- no protection against water
The WF 15i n.S. wirefeeder without an integrated wirespool holder may only be set up 
and operated in closed areas.