Tweco VA 4000 Ultra-Feed - Manual (Page 31)

ULTRAFEED VA 4000
September 18, 2012 4-3
12. AUXILIARY INTERFACE PORT (J3): These
connections are used by the advanced interface
kit.
13. CAN INTERFACE PORT (J2): This connection
allows the ULTRAFEED VA 4000 to communicate
with other select Thermal Arc power sources. This
is available with the advanced interface kit.
14. SERIAL PORT (J1): This connection allows the
ULTRAFEED VA 4000 to communicate with a
personal computer. This feature is available with
the advanced interface kit.
15. POWER ON/OFF SWITCH: This switch controls
only the wire feeder and not the power source.
16. CIRCUIT BREAKER: This breaker protects the
unit from electrical faults.
NOTE
If the circuit breaker trips, it turns the power
switch to the OFF position. A short cooling
period must be allowed before an attempt is
made to reset the unit by pressing the circuit
breaker reset switch.
17.GAS VALVE INLET: This is where the shielding gas
hose is connected to the wire feeder. The gas valve
inlet controls the “on/off” flow of shielding gas through
the welding gun.
18.WELD CABLE CONNECTION: This is where the power
source welding cable is connected to the feeder. Make
sure this connection is tight or arcing could occur.
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Art # A-06985
Figure 4-3: Rear Panel Controls and Connections