FLIR Raymarine E22158 - Power Connection

4.3Powerconnection
PowerissuppliedtotheproductovertheSeaT alk
ng
network.
ASeaT alk
ng
systemrequiresone12Vdcsupply,
connectedtotheSeaT alk
ng
backbone.Thiscanbe
provided:
•Byabatteryviathedistributionpanel,or
•FromaRaymarinecoursecomputer,viaaSeaTalk
oraSeaT alk
ng
system.
In-linefuseandthermalbreakerratings
Thefollowingin-linefuseandthermalbreakerratings
applytoyourproduct:
In-linefuseratingThermalbreakerrating
5A
3A(ifonlyconnectingone
device)
Note:
•Thesuitablefuseratingforthethermalbreaker
isdependentonthenumberofdevicesyouare
connecting.Ifindoubtconsultanauthorized
Raymarinedealer.
•Yourproduct’spowercablemayhaveatted
in-linefuse,ifnotthenyoumustaddanin-line
fuse/breakertothepositivewireofyour
productspowerconnection.
Powerdistribution
Recommendationsandbestpractice.
•Theproductissuppliedwithapowercable.Only
usethepowercablesuppliedwiththeproduct.Do
NOTuseapowercabledesignedfor,orsupplied
with,adifferentproduct.
•RefertothePowerconnectionsectionformore
informationonhowtoidentifythewiresinyour
product’spowercable,andwheretoconnectthem.
•Seebelowformoreinformationonimplementation
forsomecommonpowerdistributionscenarios.
Important:Whenplanningandwiring,takeinto
considerationotherproductsinyoursystem,some
ofwhich(e.g.sonarmodules)mayplacelarge
powerdemandpeaksonthevessel’selectrical
system.
Note:Theinformationprovidedbelowisfor
guidanceonly,tohelpprotectyourproduct.It
coverscommonvesselpowerarrangements,but
doesNOTcovereveryscenario.Ifyouareunsure
howtoprovidethecorrectlevelofprotection,
pleaseconsultanauthorizedRaymarinedealeror
asuitablyqualiedprofessionalmarineelectrician.
Implementation—directconnectiontobattery
•Thepowercablesuppliedwithyourproductmay
beconnecteddirectlytothevessel'sbattery,viaa
suitablyratedfuseorbreaker.
•Thepowercablesuppliedwithyourproductmay
NOTincludeaseparatedrainwire.Ifthisisthe
case,onlythepowercable’sredandblackwires
needtobeconnected.
•IfthesuppliedpowercableisNOTttedwithan
inlinefuse,youMUSTtasuitablyratedfuseor
breakerbetweentheredwireandthebattery’s
positiveterminal.
•Refertotheinlinefuseratingsprovidedinthe
product’sdocumentation.
•Ifyouneedtoextendthelengthofthepowercable
suppliedwithyourproduct,ensureyouobserve
thededicatedPowercableextensionsadvice
providedintheproduct’sdocumentation.
D13344-1
A
B
A
BatteryconnectionscenarioA:suitableforavesselwith
acommonRFgroundpoint.Inthisscenario,ifyour
product’spowercableissuppliedwithaseparatedrain
wirethenitshouldbeconnectedtothevessel’scommon
groundpoint.
B
BatteryconnectionscenarioB:suitableforavessel
withoutacommongroundingpoint.Inthiscase,ifyour
product’spowercableissuppliedwithaseparatedrain
wirethenitshouldbeconnecteddirectlytothebattery’s
negativeterminal.
Implementation—connectiontodistribution
panel
D13348-1
•Alternatively,thesuppliedpowercablemaybe
connectedtoasuitablebreakerorswitchonthe
vessel'sdistributionpanelorfactory-ttedpower
distributionpoint.
•Thedistributionpointshouldbefedfromthe
vessel’sprimarypowersourceby8AWG
(8.36mm
2
)cable.
•Ideally,allequipmentshouldbewiredtoindividual
suitably-ratedthermalbreakersorfuses,with
appropriatecircuitprotection.Wherethisisnot
possibleandmorethan1itemofequipment
sharesabreaker,useindividualin-linefuses
foreachpowercircuittoprovidethenecessary
protection.
20
SeaTalk–SeaT alkngconverter