The ACS800-1739Door switchesMain switch-disconnector (Q1 in frame size R6 to R8i)The switch-disconnector handle switches the main and auxiliary voltages to the driveon and off.Air circuit breaker (Q1 in frame size 2×R8i and up)The air circuit breaker controls the main supply voltage (phases L1, L2 and L3). Formore information on using the breaker, refer to its manual.WARNING! Opening the air circuit breaker will not switch off the auxiliary voltages ofthe drive.Auxiliary power switch (Q100 in frame size 2×R8i and up)The auxiliary power switch controls all auxiliary voltages in the cabinet including theDC link charging circuit. The auxiliary voltage switch must be closed before the drivecan be started.Earthing switch (Q9 in frame size 2×R8i and up)When closed, the optional earthing switch connects the supply phases L1, L2 and L3to PE. The switch is interlocked so that it cannot be closed when the drive ispowered. Likewise, the drive will not start when the earthing switch is closed.Other door switchesThese switches are only installed if the drive is equipped with the optionalemergency stop function. G Emergency stop buttonStart switch0 = Cooling fans are disabled. (Otherauxiliary voltages are on.)0 ⇒ S = Starts the cooling fans,closes the main contactor and startsthe supply unit.1 ⇒ 0 = Switches off the drive andopens the main contactor. Otherauxiliary voltages are on.EMERENCYOSTP0 1RESETReset buttonResets an emergency stop, afterwhich the supply unit can be startedusing the start switch.(Drive faults are reset via the drivecontrol panel or serialcommunication)S
