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OPERATION
10. DIGITAL OUTPUT METER: The digital output meters are located in the center of the control panel between the two large control knobs. The meters allow the output current level to be set prior to welding in stick mode and voltage level to be set prior to welding in the wire modes. During the welding process the meters display the actual output current and voltage, within +1%,
11. WELDING TERMINALS SWITCH: The toggle switch on the control panel labeled “WELDING TERMINALS ALWAYS ON” and “WELDING TER- MINALS REMOTELY CONTROLLED” is used to control the operation of the “solid state contactor”
which allows for the selection of “Hot” or “Cold” 17. 120VAC RECEPTACLES: These two 120VAC (5-
welding terminals.15R) receptacles with GFCI protection provide 120VAC for auxiliary power. These receptacles have a 20 amp total rating. Refer to AUXILIARY POWER RECEPTACLES in the Installation section for further information about these receptacles. Also refer to AUXILIARY POWER OPERATION later in this section.
18. 15 AMP CIRCUIT BREAKERS: These circuit breakers provide separate overload current protec- tion for each 120VAC receptacle.
19. GROUND STUD: Provides a connection point for connecting the machine case to earth ground for the safest grounding procedure. Refer to MACHINE GROUNDING in the Installation section for proper machine grounding information.
20. 15 AMP CIRCUIT BREAKER: This circuit breaker provides overload protection for the 120 VAC cir- cuit in the
21. VOLTMETER +/- SWITCH: Changes the polarity display on the wire feeder.
22. 15 AMP CIRCUIT BREAKER: This circuit breaker provides overload protection for the 42 VAC circuit in the
23.
24. ARC CONTROL: The “ARC CONTROL” poten- tiometer is active in two modes: “STICK/TIG” and “WIRE WELDING” with different purposes in each mode.
“STICK/TIG” mode: In this mode, the “ARC CON- TROL” knob sets the short circuit current during stick welding. Increasing the number from 1 to 10 increas- es the short circuit current. This prevents sticking of the electrode to the plate at low welding current set- tings. This also increases spatter. It is recommended that the control be set to the minimum number without electrode sticking.