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23. GROUND STUD:
Provides a connection point for connecting the machine case to earth ground. Refer to “MACHINE GROUNDING” in the Installation chapter for proper machine grounding informa- tion.
24. RCD:
“Residual Current Device” provides protection from active to ground contact.
RCD will not protect against electrical shock resulting from contact with active and neutral wires.
25. VRD INDICATOR LIGHTS:
Indicates OCV voltage across the output termi- nals. Also indicates operation of VRD in CC mode. A Green light indicates OCV below 30V and a red light indicates OCV above 30V.
During welding both lights will flash, depending on the type of Consumable being used.
AIR COMPRESSOR CONTROLS (26 THRU 29)
26. COMPRESSOR HOUR METER
The compressor hour meter displays the total time that the compressor has been running (com- pressor switch must be on).
27. COMPRESSOR ON/OFF SWITCH
Turns compressor on and off activating or deacti- vating the electromagnetic compressor clutch.
28. COMPRESSOR PROTECTION LIGHT
The yellow compressor protection light remains off with proper compressor oil temperatures. If the lights turn on, the compressor protection system will deactivate the compressor clutch and put the system in standby mode until the temperature reaches allowable limits. Check for proper com- pressor oil level.
29. AIR DISCHARGE VALVE
Controls flow of compressed air. A 3/4” NPT (National Pipe Thread) fitting is provided.
bATTERY JUMP START TERMINAL (30-31)
30.POSITIVE bATTERY JUMP START TERMINAL.
31.NEGATIVE bATTERY JUMP START TERMINAL.
12V battery jump start feature is standard. Covered output studs for convenient access, and protection against accidental impact. can be used to
32. bATTERY DISCONNECT SWITCH
Battery disconnect switch provides lockout/tagout capability. Switch is conveniently located on the front bottom of the machine.
33. AIR CLEANER AND SERVICE INDICATOR
Air cleaner service indicator provides a
FIGURE b.2
33
AIR VANTAGE® 500 (AU)
