Installation Instructions

2.Motor(notallcompatiblevariantsareshownin
theillustrationabove)
Clutchconnectioncolors
ColorDescription
ARed
ClutchPositive(+)
connection
BBlue
ClutchNegative(–)
connection
Motorpoweroutput
ACU–200ACU-400
15A(maximumcontinuous
output)
30A(maximumcontinuous
output)
Note:
Themotoroutputhasfullshort-circuitand
over-currentprotection.Shouldeitherofthemotor
outputconnectionsbeshortedtoground,there
shouldbenopermanentdamagetotheautopilot.
Clutchpoweroutput
ACU–200ACU-400
Upto2Acontinuousat12V
on12Vand24Vsystems.
•Upto4Acontinuousat
12Von12Vsystems.
•Upto4Acontinuousat
24Von24Vsystems.
•Upto4Acontinuousat
12Von24Vsystems.
Note:
Theuseofaclutchdrivewillhaveanimpact
ontheamountofelectricalcurrentavailableto
theSeaTalkng®backbone.On24Vsystems,
thereisan8A/12Vmaximumsupplyforthe
SeaTalkng®backboneandclutchdrivecombined.
Forexample,iftheclutchrequires4A,the
SeaTalkng®supplycanonlydeliver4Atotherest
ofthebackbone.
Note:
TheclutchoutputonallACUvariantshasfull
short-circuitandover-currentprotection.Should
eitheroftheclutchoutputconnectionsbeshorted
toground,thereshouldbenopermanentdamage
totheautopilot.
Clutchvoltageswitch
Ifthedrivehasaseparateclutchconnection,you
mustensurethattheclutchvoltageswitchonthe
ACUissetcorrectlytosuittheconnecteddrive.
Important:
Toavoidpotentialdamagetoequipment,ensure
voltageselectorswitchissettothecorrectsetting.
Theclutchvoltagemaybedifferentfromthatofthe
driveitself,forexampletherangeofboth12Vand
24VRaymarinedrivesallhavea12Vclutch.Ifin
doubt,consultyourlocaldealer.
Solenoid(drive)andbypassvalve
connection-ACU-300
ConstantRunningPump(solenoid)drivesconnect
totheconnectionpaneloftheACU-300.
Solenoiddriveconnection
1.Electronicsteering/joglever(ifrequired)
2.Back-feedprotectiondiodes(ifusingan
electronicsteeringorjoglever)
3.Solenoidout
4.Solenoidreturn
5.Solenoidvalves(withdiodesacrossspool
valves)
Note:
Ifanelectronicsteeringorjogleverisused,t
diodes(suggestedtype:1N4004)in-linewiththe
solenoidoutputstopreventback-feedingtheACU.
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