Compatibledriveunits
Thedriveunitinterfaceswiththevessel’
ssteeringsystem.Thetypeofdriverequireddependson
thetypeofvessel,thecapacityoftheassociatedsteeringsystem,andtheintendeduseofthe
system(e.g.coastalwatersoroffshore).
Important:
•Alwayschooseyourdriveunitwithsafetyinmind.Don
’tbetemptedtochooseadrivewhich
willalwaysbeworkingatthelimitsofitsdesigncapabilities.
•Whendeterminingyourvesseldisplacement,alwaysadd20%tothedisplacementofyourvessel
toaccountfortheaddedweightoffuel,gear,provisionsandpeople.
•Pleasenotethatthedisplacementfiguresprovidedareforguidanceonly,andyourchoiceof
driveunitshouldnotbebasedonthesefiguresalone.Consideralsotheintendeddutycycle
(hoursofoperation)oftheautopilotsystem,aswellasthelikelywaterconditions.
•Ifyouareintendingtousethedriveunitoffshore,itisespeciallyimportanttoconsideralarger
systemwithsparecapability,andalsotoensureabackupsystemisinplace.
•Ifyouareinanydoubtastothecorrectdriveunitforyourvessel,contactRaymarineT echnical
SupportoranauthorizedRaymarinedealer.
R aymarineautopilotsystemsaccommodatehydraulic,mechanicalandpowerassistedsterndrive
systems.
DrivecategoryA vailabletypes
Suitable
ACU
*Max
output
Type0.5ACU-100
7A
Type112VdconlyACU-15012A
Type112V/24V
dc
ACU-200
15A
Type2ACU-40030A
Type3ACU-40030A
Hydraulicpumps
R aymarineautopilotsconnecttohydraulic
steeringsystemsusingaruggedhydraulicpump
matchedtothecapacityofthehydraulicsteering
system.
Tofindasuitablepump,you'llneedtoknow
thesize(incc)ofthehydrauliccylinderram(s)
mountedtotherudderonvesselsfeaturing
aninboardengine,ortothedriveuniton
vesselsfeaturingoutboardengines.Referto
yoursteeringsystemdocumentationforthis
information.Alternatively,youcanlookonthe
cylinderramitselfforthebrandandmodel
number.
Onceyouhavethisfigure,refertothe
CylinderRamSizeChartontheRaymarine
websitetodeterminewhichhydraulic
autopilotpumpiscompatiblewith
yourvessel'shydraulicsteeringsystem:
http://www.raymarine.co.uk/view/?id=209.
ConstantRunning
pump(solenoid)
ACU-300
5A
28