Tweco 211i Thermal Arc Fabricator - Manual (Page 47)

INSTALLATION/SETUP FABRICATOR 211i
Manual 0-5157 3-15 INSTALLATION/SETUP
WARNING
When the front digital displays are lit, the machine is connected to the Electricity Supply and the internal
electrical components are at Mains voltage potential.
17. Wiredrive Motor Circuit Breaker
The 4A Circuit Breaker protects the unit from electrical faults and will operate in the event of a motor overload.
NOTE
If a circuit breaker trips, a short cooling period must be allowed before an attempt is made to reset the unit
by pressing the circuit breaker reset button.
18. Local / Remote Switch (located in wirefeed compartment)
The local/ remote switch is used only when a remote control device (such as a TIG torch with remote current
control) is fitted to the unit via the remote control socket (item 9). When the local/ remote switch is in the remote
position, the unit will detect a remote device and work accordingly. When in the local mode, the unit will not detect
the remote device and will operate from the power source controls only. Note that the trigger will operate at all
times on the remote control socket irrespective of the position of the local/ remote switch (ie in both local and
remote modes).
Should a remote device be connected and the local/ remote switch set to remote, the maximum setting of the power
source will be determined by the respective front panel control, irrespective of the remote control device setting.
As an example, if the output current on the power source front panel is set to 50% and the remote control device
is set to 100%, the maximum achievable output from the unit will be 50%. Should 100% output be required, the
respective front panel control must be set to 100%, in which case the remote device will then be able to control
between 0-100% output.
19. Burnback Control (located in wirefeed compartment)
The burnback control is used to adjust the amount of MIG wire that protrudes from the MIG gun after the comple-
tion of MIG welding (commonly referred to as stick out). To decrease the burnback time (or lengthen the amount
of wire protruding from the MIG gun at the completing of welding), turn the burnback control knob anti-clockwise.
To increase the burnback time (or shorten the amount of wire protruding from the torch at the completing of
welding), turn the Burnback Control knob clockwise.
20. MIG Gun & Spool Gun Switch
The MIG Gun / Spool Gun switch is used to switch welding mode between MIG Gun functionality and Spool Gun
functionality
21. Cooling Fan
The Fabricator 211i is designed with an intelligent fan control. When the 211i is switched ON the cooling fan will
come ON for approximately 3 seconds then automatically switch the fan OFF. The cooling fan will remain OFF until
it is required for cooling purposes. This has two main advantages; (1) to minimize power consumption, and (2)
to minimize the amount of contaminants such as dust that are drawn into the power source.
Note in STICK mode the fan operates continuously.