Installation Instructions

1.Vessel’slongitudinalaxis.
Locationrequirements—ACU
Theinstallationlocationmusttakeintoaccountthe
followingrequirements:
•ACU-200,ACU-300,ACU-400—installbelow
decksinadryarea.
•ACU-100,ACU-150—installaboveorbelow
decks.
•Theunitshouldbemountedonaverticalsurface.
•Theunitshouldbelocatedasclosetothebattery
aspractical.
•Choosealocationwheretheunitwillbesafefrom
physicaldamageandexcessivevibration.
•Choosealocationwheretheunitwillnotbe
subjectedtoaloadorforce.
•Mountawayfromanysourceofheatorpotential
ammablehazards,suchasfuelvapor.
•Theunitshouldbemountedinalocationwhere
thediagnosticsLEDisviewable.
Compasssafedistance
Topreventpotentialinterferencewiththevessel's
magneticcompasses,ensureanadequatedistance
ismaintainedfromtheproduct.
Whenchoosingasuitablelocationfortheproduct
youshouldaimtomaintainthemaximumpossible
distancefromanycompasses.Typicallythisdistance
shouldbeatleast1m(3ft)inalldirections.However
forsomesmallervesselsitmaynotbepossibleto
locatetheproductthisfarawayfromacompass.In
thissituation,whenchoosingtheinstallationlocation
foryourproduct,ensurethatthecompassisnot
affectedbytheproductwhenitisinapoweredstate.
EMCinstallationguidelines
Raymarineequipmentandaccessoriesconformto
theappropriateElectromagneticCompatibility(EMC)
regulations,tominimizeelectromagneticinterference
betweenequipmentandminimizetheeffectsuch
interferencecouldhaveontheperformanceofyour
system
CorrectinstallationisrequiredtoensurethatEMC
performanceisnotcompromised.
Note:InareasofextremeEMCinterference,
someslightinterferencemaybenoticedonthe
product.Wherethisoccurstheproductandthe
sourceoftheinterferenceshouldbeseparatedby
agreaterdistance.
ForoptimumEMCperformancewerecommend
thatwhereverpossible:
•Raymarineequipmentandcablesconnectedto
itare:
–Atleast1m(3ft)fromanyequipmenttransmitting
orcablescarryingradiosignalse.g.VHFradios,
cablesandantennas.InthecaseofSSBradios,
thedistanceshouldbeincreasedto7ft(2m).
–Morethan2m(7ft)fromthepathofaradar
beam.Aradarbeamcannormallybeassumed
tospread20degreesaboveandbelowthe
radiatingelement.
•Theproductissuppliedfromaseparatebattery
fromthatusedforenginestart.Thisisimportantto
preventerraticbehavioranddatalosswhichcan
occuriftheenginestartdoesnothaveaseparate
battery.
•Raymarinespeciedcablesareused.
•Cablesarenotcutorextended,unlessdoingsois
detailedintheinstallationmanual.
Note:Whereconstraintsontheinstallation
preventanyoftheaboverecommendations,
alwaysensurethemaximumpossibleseparation
betweendifferentitemsofelectricalequipment,to
providethebestconditionsforEMCperformance
throughouttheinstallation
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