Raymarine RAY91 - Selecting Installation Location

Important:
Whenplanningandwiring,tak
eintoconsideration
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
Powercableextensions 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
P
ositive(+)bar
2
Negative(-)bar
3Circuitbreak
er
4Fuse
•Inallcases,observetherecommendedbreak
er/fuse
ratingsprovidedintheproduct’sdocumentation.
Important:
Beawarethatthesuitablefuseratingforthethermal
break
erorfuseisdependentonthenumberof
devicesyouareconnecting.
P
owercableextension
Ifyouneedtoextendthelengthofthepowercable
suppliedwithyourproduct,ensureyouobservethe
followingadvice:
•Thepowercableforeachunitinyoursystemshould
berunasaseparate,singlelengthof2-wirecable
28
81377-1-en_US_PRINT.pdf 28 12/21/2017 9:05:37 PM