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5. WELDING TERMINALS SWITCH (DLX Model Only)
The toggle switch labeled “WELDING TERMINALS
ALWAYS ON” and “WELDING TERMINALS
REMOTELY CONTROLLED” is used to control the
operation of the RANGER 300 DLX output contac-
tor. With the switch in the “WELDING TERMINALS
ALWAYS ON” position, the contactor is closed at
low and high idle.
When a wire feeder or TIG Module control cable is
attached to either the 6-pin or 14-pin amphenol
connector and the Welding Terminals switch is in
the “WELDING TERMINALS REMOTELY CON-
TROLLED” position, the contactor is open in low
idle and high idle until and the wire feeder trigger or
Amptrol is closed. This closes the 2-4 circuit.
When the gun trigger or Amptrol is released, the
contactor opens and there is no voltage present at
the electrode (300 DLX only).
6. WIRE FEEDER POWER CIRCUIT BREAKER:
Opens the wire feeder circuit and disables the
feeder if a fault is detected in the circuit (300 DLX
only).
7. 15 AMP, 120 VOLT DUPLEX RECEPTACLES:
Connection point for supplying 120 volt power to
operate one or two electrical devices.
8. 50 AMP, 120/240 VOLT RECEPTACLE: Connection
point for supplying 240 volt power to operate one
electrical device.
9. WELD OUTPUT TERMINAL (TO WORK) WITH
FLANGE NUT: Provides the connection point for
the work cable.
10. WELD OUTPUT TERMINAL (TO ELECTRODE
HOLDER) WITH FLANGE NUT: Provides the con-
nection point for the electrode holder.
11. GROUND STUD: Provides a connection point for
connecting the machine case to earth ground for
the safest grounding procedure.
12. 6-PIN AMPHENOL: For attaching optional remote
control equipment to the RANGER 300 D/DLX
(Includes contactor closure circuit on the Ranger
300 DLX and remote control circuit).
13. 14-PIN AMPHENOL (DLX Model Only): For
attaching wire feeder control cables to the
RANGER 300 DLX (Includes contractor closure
circuit, remote control circuit, wire feeder 115/42
volt power source).
14. VOLTMETER (DLX MODEL ONLY): Displays actu-
al voltage at the output terminals when welding in
CV-mode.
OPERATION
B-6 B-6
RANGER 300 D AND 300 DLX
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