Raymarine Element - Grounding - Dedicated Drain Wire; Power Distribution

Grounding—Dedicateddrainwire
Thepowercablesuppliedwiththisproductincludesadedicatedshield(drain)wireforconnectionto
avessel's
RFgroundpoint.
ItisimportantthataneffectiveRFgroundisconnectedtothesystem.Asinglegroundpointshould
beusedforallequipment.Theunitcanbegroundedbyconnectingtheshield(drain)wireofthe
powercabletothevessel'sRFgroundpoint.OnvesselswithoutanRFgroundsystemtheshield
(drain)wireshouldbeconnecteddirectlytothenegativebatteryterminal.
Thedcpowersystemshouldbeeither:
•Negativegrounded,withthenegativebatteryterminalconnectedtothevessel'sground.
•Floating,withneitherbatteryterminalconnectedtothevessel'sground
Powerdistribution
Recommendationsandbestpractice.
•Theproductissuppliedwithapowercable,eitherasaseparateitemoracaptivecable
permanentlyattachedtotheproduct.Onlyusethepowercablesuppliedwiththeproduct.Do
NOTuseapowercabledesignedfor,orsuppliedwith,adifferentproduct.
•Refertothe Powerconnection sectionformoreinformationonhowtoidentifythewiresinyour
product’spowercable,andwheretoconnectthem.
•Seebelowformoreinformationonimplementationforsomecommonpowerdistributionscenarios:
Important:
•Whenplanningandwiring,take intoconsiderationotherproductsinyoursystem,someofwhich
(e.g.sonarmodules)mayplacelargepowerdemandpeaksonthevessel’selectricalsystem,
whichmayimpactthevoltageavailabletootherproductsduringthepeaks.
•Theinformationprovidedbelowisforguidanceonly,tohelpprotectyourproduct.Itcovers
commonvesselpowerarrangements,butdoesNOTcovereveryscenario.Ifyouareunsure
howtoprovidethecorrectlevelofprotection,pleaseconsultanauthorizedRaymarinedealeror
asuitablyqualifiedprofessionalmarineelectrician.
Implementation—connectiontodistributionpanel(Recommended)
1
Waterproof fuseholdercontainingasuitably-ratedinlinefusemustbefitted.
Forsuitablefuserating,referto:
In-linefuseandthermalbreakerratings .
2
Productpowercable.
3
Drainwireconnectionpoint.
•Itisrecommendedthatthesuppliedpowercableisconnectedtoasuitablebreaker orswitchon
thevessel'sdistributionpanelorfactory-fittedpowerdistributionpoint.
•Thedistributionpointshouldbefedfromthevessel’sprimarypowersourceby8AWG(8.36mm
2
)
cable.
•Ideally,allequipmentshouldbewiredtoindividualsuitably-ratedthermalbreakersorfuses,with
appropriatecircuitprotection.Wherethisisnotpossibleandmorethan1itemofequipmentshares
abreaker,useindividualin-linefusesforeachpowercircuittoprovidethenecessaryprotection.
Connections39