Installation Instructions

Table Of Contents
VCM100screen(drain)wireextension
Thescreen(drain)wirecanbeextendedforlongercablerunsbetweentheVCM100andyour
vessel'sRFgroundsystem.
Extensionstothescreen(drain)wireshouldusean8mmbraidorAWG10(5.26mm
2
)multi-stranded
cable.
Circuitbreakerandfuseratings
Batteryisolatorswitch,thermalbreaker,andfuseratings.
AllpowerconnectionsbetweentheVCM100anditspowersourcemustbeprotectedbyathermal
circuitbreakerorfuse,fittedclosetothepowerconnection.Theconnectionfromtheoutputofthe
VCM100tothedigitalradardoesnotrequireafuseorcircuitbreaker.
Ifyoudonothaveathermalcircuitbreakerorfuseinyourpowercircuit(fittedtotheDCdistribution
panel,forexample),youMUSTfitanin-linebreakerorfusetothepositivewireofthepowercable.
Thefollowingtableprovidessuitableratingsforbatteryisolatorswitches,circuitbreakers,andfuses.
PowersupplyDevice4kWscanner12kWscanner
Isolatorswitch
30amps(minimum
rating)
30amps(minimum
rating)
Thermalbreaker15amps15amps
12volt
Fuse
20amps20amps
Isolatorswitch
15amps(minimum
rating)
15amps(minimum
rating)
Thermalbreaker
8amps8amps
24volt
Fuse
10amps10amps
Warning:Productgrounding
Beforeapplyingpowertothisproduct,ensureithasbeencorrectlygrounded,in
accordancewiththeinstructionsprovided.
Powerconnections
63