Raymarine RVX1000 - Grounding - Dedicated Drain Wire

1
P
ositive(+)bar
2
Negative(-)bar
3Circuitbreak
er
4Fuse
•Inallcases,observetherecommendedbreak
er/fuseratingsprovidedintheproduct’s
documentation.
Important:
Beawarethatthesuitablefuseratingforthethermalbreak
erorfuseisdependentonthenumber
ofdevicesyouareconnecting.
P owercableextension
Ifyouneedtoextendthelengthofthepowercablesuppliedwithyourproduct,ensureyouobserve
thefollowingadvice:
•Thepowercableforeachunitinyoursystemshouldberunasaseparate,singlelengthof2-wire
cablefromtheunittothevessel'sbatteryordistributionpanel.
•Forpowercableextensions,aminimumwiregaugeof16AWG(1.31mm
2
)isrecommended.For
cablerunslongerthan15meters,youmayneedtoconsiderathickerwiregauge(e.g.14AWG
(2.08mm
2
),or12AWG(3.31mm
2
)).
•Animportantrequirementforalllengthsofpowercable(includinganyextension)istoensure
thatthereisacontinuousminimumvoltageof10.8Vattheproduct’spowerconnector,witha
fullyflatbatteryat11V.
Important:Beawarethatsomeproductsinyoursystem(suchassonarmodules)cancreatevoltage
peak satcertaintimes,whichmayimpactthevoltageavailabletootherproductsduringthepeaks.
Grounding
Ensurethatyouobserveanyseparategroundingadviceprovidedintheproduct’ sdocumentation.
Moreinformation
Itisrecommendedthatbestpracticeisobservedinallvesselelectricalinstallations,asdetailed
inthefollowingstandards:
•BMEACodeofPracticeforElectricalandElectronicInstallationsinBoats
•NMEA0400InstallationStandard
•ABYCE-11AC&DCElectricalSystemsonBoats
•ABYCA-31BatterychargersandInverters
•ABYCTE-4LightningProtection
Grounding—Dedicateddrainwire
Thepowercablesuppliedwiththisproductincludesadedicatedshield(drain)wireforconnectionto
avessel'sRFgroundpoint.
ItisimportantthataneffectiveRFgroundisconnectedtothesystem.Asinglegroundpointshould
beusedforallequipment.Theunitcanbegroundedbyconnectingtheshield(drain)wireofthe
powercabletothevessel'sRFgroundpoint.OnvesselswithoutanRFgroundsystemtheshield
(drain)wireshouldbeconnecteddirectlytothenegativebatteryterminal.
Thedcpowersystemshouldbeeither:
•Negativegrounded,withthenegativebatteryterminalconnectedtothevessel'sground.
•Floating,withneitherbatteryterminalconnectedtothevessel'sground
Warning:Positivegroundsystems
Donotconnectthisunittoasystemwhichhaspositivegrounding.
Cablesandconnections63