Installation Instructions

4.4ACU-200,ACU-300,ACU-400
connections
Connectionsoverview—ACU-200
1.SeaT alkng®connection
2.Sleepswitchconnection
3.Powerconnection
4.Motor(drive)connection
5.RFgroundconnection(drainconductor)
6.Rudderreferenceconnection
7.Clutchconnection—selectablebetween12/24
Vdctosuitconnecteddevice
Connectionsoverview—ACU-300
1.SeaT alkng®connection
2.Sleepswitchconnection
3.Powerconnection
4.SolenoidAandBdriveoutconnection
5.Solenoiddrivereturnconnection
6.RFgroundconnection(drainconductor)
7.Rudderreferenceconnection
8.Bypassvalveconnection(solenoiddriveoutput)
—selectablebetween12/24Vdc
Connectionsoverview—ACU-400
1.SeaT alkng®connection
2.Digitalinput/outputconnection
3.Sleepswitchconnection
4.Powerconnection
5.Motor(drive)connection
6.RFgroundconnection(drainconductor)
7.Rudderreferenceconnection
8.Clutchconnection—selectablebetween12/24
Vdctosuitconnecteddevice
Makingconnections
Forinformationonhowtoconnectthevarious
componentsoftheautopilotsystem,refertothe
followingsections:
•5.1EVandACUinstallationinstructions
•Pilotcontrollerdocuments
•Driveunitinstallationdocuments
Powerconnection—ACU-200,
ACU-300,ACU-400
PowertotheACUunitmustbefromanappropriately
fusedandratedsupply.
1.ACUpowerconnectionpanel
2.Vesselpowerdistributionpanel
Powerconnectioncolors
ColorDescription
ARed
PowerinPositive(+)12/24V
dc
BBlack
PowerinNegative(–)0Vdc
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