Installation Manual
ACS550-PD 3R Irrigation Packaged Drive 5
Installation
Studytheseinstallationinstructionscarefullybeforeproceeding.Failuretoobservethe
warningsandinstructionsmaycauseamalfunctionorpersonalhazard.
WARNING! Before you begin read “Safety” on page 1.
WARNING! When the ACS550 with Input Disconnect is connected to the line
power, the Motor Terminals T1, T2, and T3 are live even if the motor is not
running. Do not make any connections when the ACS550 with Input Disconnect
is connected to the line. Disconnect and lock out power to the drive before
servicing the drive. Failure to disconnect power may cause serious injury or
death.
Application
ThismanualcontainssupplementalinformationthatisuniquetoACS550input
disconnectcongurations(PD).Refertothebasemanual,AC550-U1User’sManual,for
allotherinformation.
Input Disconnect Features and Functions
TheACS550withInputDisconnectisanACS550ACadjustablefrequencydrive
packagedwithaninputdisconnectswitchandwithadoormounted,externaloperating
handle.TheoperatinghandlecanbepadlockedintheOFFposition(padlocknot
supplied).EnclosureareULType3R(NEMA3R).
Thefollowingisatypicalpowerdiagram.
ACS550
DrivewithInputDisconnect
Motor
3Phase
Drive
3
3
DisconnectSwitch
orCircuitBreaker
InputPower