Raymarine Element 9 HV - Page 36

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W aterprooffuseholdercontainingasuitably-ratedinlinefusemustbefitted.
Forsuitablefuserating,referto:
In-linefuseandthermalbreakerratings .
2
Productpowercable .
3
Drainwireconnectionpoint.
BatteryconnectionscenarioA:
SuitableforavesselwithacommonRFgroundpoint.Inthisscenario ,ifyourproduct’spowercableis
suppliedwithaseparatedrainwirethenitshouldbeconnectedtothevessel’scommongroundpoint.
BatteryconnectionscenarioB:
Suitableforavesselwithoutacommongroundingpoint.Inthiscase,ifyourproduct’spowercableis
suppliedwithaseparatedrainwirethenitshouldbeconnecteddirectlytothebattery’snegative
terminal.
Powercableextension
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)istoensurethat
thereisacontinuousminimumvoltageattheproduct’spowerconnectorof10.8Vdc,witha
fullyflatbatteryat11Vdc.
Important:
Beawarethatsomeproductsinyoursystem(suchassonarmodules)cancreatevoltagepeak sat
certaintimes,whichmayimpactthevoltageavailabletootherproductsduringthepeaks.
Grounding
Ensurethatyouobserveanyadditionalgroundingadviceprovidedintheproduct’ sdocumentation.
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