Installation Instructions

•Alternatively,theunit’spowerconnectionmaybe
connectedtoasuitablebreakerorswitchonthe
vessel'spowerdistributionpanel,orfactory-tted
powerdistributionpoint.
•Thedistributionpointshouldbefedfrom
thevessel’sprimarypowersourceby8AWG
(8.36mm
2
)cable.
•Ideally,allequipmentshouldbewiredtoindividual
suitably-ratedthermalbreakersorfuses,with
appropriatecircuitprotection.Wherethisisnot
possibleandmorethan1itemofequipment
sharesabreaker,useindividualin-linefuses
foreachpowercircuittoprovidethenecessary
protection.
•Inallcases,observetherecommended
breaker/fuseratingsprovidedintheproduct’s
documentation.
Important:
Beawarethatthesuitablefuseratingforthe
thermalbreakerorfuseisdependentonthe
numberofdevicesyouareconnecting.
Grounding
Ensurethatyouobservetheseparategrounding
adviceprovidedintheproduct’sdocumentation.
Moreinformation
Itisrecommendedthatbestpracticeisobservedin
allvesselelectricalinstallations,asdetailedinthe
followingstandards:
•BMEACodeofPracticeforElectricaland
ElectronicInstallationsinBoats
•NMEA0400InstallationStandard
•ABYCE-11AC&DCElectricalSystemsonBoats
•ABYCA-31BatterychargersandInverters
•ABYCTE-4LightningProtection
Sharingabreaker
Wheremorethan1pieceofequipmentsharesa
breakeryoumustprovideprotectionfortheindividual
circuits.E.g.byconnectinganin-linefuseforeach
powercircuit.
1
Positive(+)bar
2
Negative(-)bar
3
Circuitbreaker
4Fuse
Wherepossible,connectindividualitemsof
equipmenttoindividualcircuitbreakers.Wherethis
isnotpossible,useindividualin-linefusestoprovide
thenecessaryprotection.
Poweranddrivecables
Importantelectricalconsiderationswhenplanning
cablerunsandequipmentlocation.
Theamountofelectricalcurrentavailabletothe
autopilotsystemcomponentswillbeimpactedby
thelengthandgaugeofthecablesusedtoconnect
allthecomponents.Whendeterminingthecable
requiredforthepoweranddriveconnectionsitis
necessarytoconsiderthecombinedcablelength
ofbothconnections.
1.ACU(ActuatorControlUnit)
2.Powersupply/distributionpanel
3.Driveunit
Poweranddrivecableselection
Drive
Supply
voltage
Max.
length
(A+B)Cablesize
0–7m
(0–23ft)
2.5mm
2
(14AWG)
Type0.5
hydraulic
pump
12V
7–10m
(23–32.8ft)
4mm
2
(12AWG)
0–7m
(0–23ft)
2.5mm
2
(14AWG)
•Type1
drive
•CRpump
(ACU–300
only)
12V
7–10m
(23–32.8ft)
4mm
2
(12AWG)
0–5m
(0–16.4ft)
6mm
2
(10AWG)
12V
5–7m
(16.4–23ft)
10mm
2
(8AWG)
0–3m
(0–9.8ft)
4mm
2
(12AWG)
3–5m
(9.8–16.4ft)
6mm
2
(10AWG)
Type2drive
24V
5–10m(16.
4–32.8ft)
10mm
2
(8AWG)
Cablesandconnections31