Raymarine RAY91 - Selecting Installation Location

Important:
Whenplanningandwiring,takeintoconsideration
otherproductsinyoursystem,someofwhich(e.g.
sonarmodules)mayplacelargepowerdemand
peaksonthevessel’selectricalsystem.
Note:
Theinformationprovidedbelowisforguidanceonly,
tohelpprotectyourproduct.Itcoverscommon
vesselpowerarrangements,butdoesNOTcover
everyscenario.Ifyouareunsurehowtoprovide
thecorrectlevelofprotection,pleaseconsultan
authorizedRaymarinedealerorasuitablyqualified
professionalmarineelectrician.
Implementation—directconnectiontobattery
•Thepowercablesuppliedwithyourproductmay
beconnecteddirectlytothevessel'sbattery,viaa
suitablyratedfuseorbreaker.
•ThepowercablesuppliedwithyourproductmayNOT
includeaseparatedrainwire.Ifthisisthecase,only
thepowercable’sredandblackwiresneedtobe
connected.
•IfthesuppliedpowercableisNOTfittedwithaninline
fuse,youMUSTfitasuitablyratedfuseorbreaker
betweentheredwireandthebattery’spositive
terminal.
•Refertotheinlinefuseratingsprovidedinthe
product’sdocumentation.
•Ifyouneedtoextendthelengthofthepowercable
suppliedwithyourproduct,ensureyouobservethe
dedicated
Power cable extensions adviceprovidedin
theproduct’sdocumentation.
A
BatteryconnectionscenarioA:suitablefora
vesselwithacommonRFgroundpoint.In
thisscenario,ifyourproduct’spowercableis
suppliedwithaseparatedrainwirethenitshould
beconnectedtothevessel’scommonground
point.
B
BatteryconnectionscenarioB:suitablefor
avesselwithoutacommongroundingpoint.
Inthiscase,ifyourproduct’spowercableis
suppliedwithaseparatedrainwirethenitshould
beconnecteddirectlytothebattery’snegative
terminal.
Implementation—connectiontodistributionpanel
•Alternatively,thesuppliedpowercablemaybe
connectedtoasuitablebreakerorswitchonthe
vessel'sdistributionpanelorfactory-fittedpower
distributionpoint.
•Thedistributionpointshouldbefedfromthevessel’s
primarypowersourceby8AWG(8.36mm
2
)cable.
•Ideally,allequipmentshouldbewiredtoindividual
suitably-ratedthermalbreakersorfuses,with
appropriatecircuitprotection.Wherethisisnot
possibleandmorethan1itemofequipmentsharesa
breaker,useindividualin-linefusesforeachpower
circuittoprovidethenecessaryprotection.
1
Positive(+)bar
2
Negative(-)bar
3Circuitbreaker
4Fuse
•Inallcases,observetherecommendedbreaker/fuse
ratingsprovidedintheproduct’sdocumentation.
Important:
Beawarethatthesuitablefuseratingforthethermal
breakerorfuseisdependentonthenumberof
devicesyouareconnecting.
Powercableextension
Ifyouneedtoextendthelengthofthepowercable
suppliedwithyourproduct,ensureyouobservethe
followingadvice:
•Thepowercableforeachunitinyoursystemshould
berunasaseparate,singlelengthof2-wirecable
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