Manual
CAUTION
WARNING
TheWARNINGsymbolreferstopossibleinjurytotheuserorsignicant
damagetothemeteriftheuserdoesnotfollowtheprocedures.
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WARNING
]VerifythatallACsourcesaredisconnectedbeforeconnectingor
disconnectingthecurrenttransformer.Failuretodosowill
generatelethalvoltagesonthecurrenttransformer.
]Ifyouarenotknowledgeableaboutelectricalsystems,havean
electricalprofessionalinstallthisunit.Thediagramsinthese
instructionspertaintotheinstallationoftheVSM422andnottothe
overallwiringofthevessel.
]Ifaninverterisinstalledonthevessel,itspowerleadsmustbe
disconnectedatthebatterybeforetheunitisinstalled.Manyinverters
havea“sleepmode”inwhichtheirvoltagepotentialmaynotbe
detectablewithmeasuringequipment.
]IfanACgeneratorisinstalledonthevessel,itmustbestoppedand
renderedinoperablebeforetheunitisinstalled.
]VerifythatnootherDCorACsourcesareconnectedtothevessel’s
wiringbeforeinstallingtheunit.
]Ifthemetermustberemoved,connectthecurrenttransformerleads
togetherbeforerestoringpowertotheACsystem.
]Thebackoftheunitisnotwaterproof.Donotinstallwherethebackof
themeterisexposedtowater.
WARNING AND CAUTION SYMBOLS
CAUTION
TheCAUTIONsymbolreferstorestrictionsandruleswithregard
topreventingdamage.
Specicationssubjecttochange.Seewww.bluesea.comforcurrentinformation.
SYSTEM OVERVIEW
Optional Input:
Thepinthreeconnectioncanbeconguredasoneofthreeoptions:athird
tank,athirdbattery,orbilgemonitoring.
AC Functions:
TheACsystemallowsformonitoringoftheACvoltage,frequencyand
currentlevels.Highandlowalarmscanbeconguredforeachofthese.
DC Functions:
TheDCsystemmonitorsthevoltagelevelsonuptothreebatteries,aswell
asthecurrentdrawonthebatteryonwhichstateofchargeisbeing
monitored.Highandlowlimitscanbesetforthevoltageoneachbattery.
AhighcurrentalarmcanalsobesetonthebatterymonitoredforState
ofCharge.
State of Charge (SOC):
StateofChargegivesfeedbackonhow“full”thebatteryiswithusable
energy.Thesystemkeepstrackoftheamphours(Ah)remainingonthe
battery,thechargecyclesonthebattery,andthetemperatureofthebattery.
LowStateofChargeandhighbatterytemperaturealarmscanbeset.With
thelowstateofchargealarmset,theVSM422showsthetimeremaining
untilthealarmwillactivate,atboththecurrentpowerusageandatthe
averagepowerusageforthelast20minutes.
Tank Functions:
TheVSM422iscapableofmonitoringuptothreetanks.Thesystemhasan
autocalibrationroutineforgeneratingatankshapeprolefor
non-rectangulartanks.Tankstatuscanberepresentedinbothcapacity
(gallonsorliters)orasapercentageofcapacity.Anti-sloshroutinesarebuilt
intoincreaseaccuracyofreadings.Bothhighandlowlevelalarmscanbe
setforalltanks.
Bilge Functions:
TheVSM422monitorsthecurrentrunstatusofthepump,thetimerunning
inthelasthour,thecyclesinthelast24hours,andthetotalcyclessincethe
lastcyclereset.Highalarmscanbesetforboththeminutesofruntimein
thelasthour,aswellasthenumberofcyclesinthelast24hours.
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Specicationssubjecttochange.Seewww.bluesea.comforcurrentinformation.