Installation Instructions

Powerconnection—EV-1
ThepowerfortheEV-1unitisprovidedbythe
SeaTalkng®backbone.
•TheEV-1unitmustbeconnectedtoaspur
connectionontheSeaTalkng®backbone.
•SeaT alkng®requiresONE12Vdcpowersource.
Thiscanbeprovidedby:
–Abattery
–AnEvolutionACU–200,ACU-300orACU-400
providingpowertothesameSeaT alkng®
backbone.
Ifyourvesselhasa24Vsupplyasuitablevoltage
convertorisrequired.
Warning:Positiveground
systems
Donotconnectthisunittoasystemwhich
haspositivegrounding.
SeaTalkng®powerconnectionpoint
Smallsystems
Ifthebackbonelengthis60m(197ft)orless,the
powerconnectionpointmaybeconnectedatany
pointinthebackbone.
Largesystems
Ifthebackbonelengthisgreaterthan60m(197ft),
thepowerconnectionpointshouldbeconnectedat
apointthatcreatesabalancedcurrentdrawfrom
eachsideofthebackbone.TheLoadEquivalency
Number(LEN)isusedtodeterminethepower
connectionpointforthesystem.
IntheexampleabovethesystemhasanoverallLEN
of10,sotheoptimumconnectionpointwouldbeto
have5LENeithersideoftheconnectionpoint.
In-linefuseandthermalbreakerratings
TheSeaT alkng®network’spowersupplyrequiresan
in-linefuseorthermalbreakertobetted.
In-linefuseratingThermalbreakerrating
5A
3A(ifonlyconnectingone
device)
Note:
Thesuitablefuseratingforthethermalbreaker
isdependentonthenumberofdevicesyouare
connecting.Ifindoubtconsultanauthorized
Raymarinedealer.
SeaTalkng®systemloading
Themaximumloading/LENforaSeaT alkng®
systemdependsonthelengthofthebackbone.
LoadingtypeBackbonelengthTotalLEN
Unbalanced
20m(66ft)
40
Unbalanced
40m(131ft)
20
Unbalanced
60m(197ft)
14
Balanced
60m(197ft)or
less
100
Balanced
80m(262ft)
84
Balanced
100m(328ft)
60
Balanced
120m(394ft)
50
Balanced140mto160m
(459ftto525ft)
40
Balanced180mto200m
(591ftto656ft)
32
Powerdistribution—SeaTalkng®
Recommendationsandbestpractice.
•OnlyuseapprovedSeaTalkng®powercables.Do
NOTuseapowercabledesignedfor,orsupplied
with,adifferentproduct.
•Seebelowformoreinformationonimplementation
forsomecommonpowerdistributionscenarios.
Important:
Whenplanningandwiring,takeintoconsideration
otherproductsinyoursystem,someofwhich(e.g.
sonarmodules)mayplacelargepowerdemand
peaksonthevessel’selectricalsystem.
Note:
Theinformationprovidedbelowisforguidance
only,tohelpprotectyourproduct.Itcovers
commonvesselpowerarrangements,butdoes
NOTcovereveryscenario.Ifyouareunsurehow
toprovidethecorrectlevelofprotection,please
consultanauthorizedRaymarinedealerora
suitablyqualiedprofessionalmarineelectrician.
Implementation—directconnectiontobattery
•SeaT alkng®powercablesmaybeconnected
directlytothevessel'sbattery,viaasuitablyrated
fuseorbreaker.
•YouMUSTtasuitablyratedfuseorbreaker
betweentheredwireandthebattery’spositive
terminal.
•Refertotheinlinefuseratingsprovidedinthe
product’sdocumentation.
Cablesandconnections
27