Raymarine E70481 - Page 40

Important:
Beawarethatthesuitablefuseratingforthethermalbreak
erorfuseisdependentonthenumber
ofdevicesyouareconnecting.
P
owercableextension
Ifyouneedtoextendthelengthofthepowercablesuppliedwithyourproduct,ensureyouobserve
thefollowingadvice:
•Thepowercableforeachunitinyoursystemshouldberunasaseparate,singlelengthof2-wire
cablefromtheunittothevessel'sbatteryordistributionpanel.
•Forpowercableextensions,itisrecommendedthataminimumwiregaugeof16AWG(1.31mm
2
).
Forcablerunslongerthan15meters,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
Ensurethatyouobservetheseparategroundingadviceprovidedintheproduct’ sdocumentation.
Moreinformation
Itisrecommendedthatbestpracticeisobservedinallvesselelectricalinstallations,asdetailed
inthefollowingstandards:
•BMEACodeofPracticeforElectricalandElectronicInstallationsinBoats
•NMEA0400InstallationStandard
•ABYCE-11AC&DCElectricalSystemsonBoats
•ABYCA-31BatterychargersandInverters
•ABYCTE-4LightningProtection
Warning:Productgrounding
Beforeapplyingpowertothisproduct,ensureithasbeencorrectlygrounded,in
accordancewiththeinstructionsprovided.
Warning:Positivegroundsystems
Donotconnectthisunittoasystemwhichhaspositivegrounding.
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