Blue Sea Systems 7611 Battery Charger User Manual


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Mounting
• Toavoidcorrosiontoconnectingwiresandterminals,mountinadryandprotectedlocation
ifpossible.Avoidlocationsdirectlyabovethebatterybanks.
Electrical Connections
• Thewiringdiagramsillustratedonthebackpagerepresentcommoninstallationsandarenotmeantto
beaguideforwiringaspecicvehicle.
• The7611ACRisnotintendedtocarrystartingcurrents.Useabatteryswitchingsystemwitha
combinebatteries/parallelfunctionifbatteriesmayneedtobecombinedforemergencystarting.
Caution: Disconnectbatteryconnectionsbeforebeginningtheinstallation.
UsetheWireSizeandFuseRatingschartonpage2toselecttheappropriatewiresizestoprevent
overheatingtheACR.
Voltage Sensing
• The7611ACRwillsensechargingsourcesavailableoneitherbatterybank.
Minimum connections for operation:
•ConnectonebatterybanktostudterminalA.
•ConnecttheotherbatterybanktostudterminalB.
•ConnectthequickconnectterminalmarkedGroundtotheDCsystemgroundthrough
atentofteenampin-linefusetopreventfaultcurrentsfromowinginthiswire.
Optional connections:
1. Auxiliary Battery Priority
The7611ACRcanbeconguredtoallowbatteriestoremain“paralleled”downtoadecreased
“OpenLow”voltageof12.25/24.5VDCifdesired.Enablethisfeatureifyouneedtoaccesssomeofyour
enginestartbattery’sstoredenergyforaccessoryloads.Thefeaturecanbeconguredfortemporary
usewhiletheignitionison,orpermanently.Wiringpermanentlyallowsthisdevicetoalsobeusedasa
LowVoltageDisconnect(LVD)topreventaccidentalandpotentiallydamagingover-dischargeof
accessorybatteriesbydisconnectingloads.
To enable temporary voltage override:
 • ConnectawirefromthequickconnectterminalmarkedAux.BatteryPrioritythroughan
  appropriatelysizedin-linefuse(1Ato10A)toaterminalorwirerunningfromtheignitionswitch
  thatis+12/24VDCwhiletheignitionison,andat0VDCwhenignitionisoff.
To enable permanent voltage override:
•ConnectawirefromthequickconnectterminalmarkedAux.BatteryPrioritythroughan
appropriatelysizedin-linefuse(1Ato10A)toa+12/24VDCsource
2. Remote indicator lamp –mimics“COMBINED”LEDonunit.
Appropriate12/24VLEDsincludeBlueSeaSystemsPNs8033(amber),8171(red),or8172(green).
To connect a remote LED indicator:
•ConnecttheredwireoftheLEDtoa12/24Vpositivesourcethrougha2Ainlinefuse.
•ConnecttheyellowwireoftheLEDtothequickconnectterminalmarkedLED.
Open/Close Cycling
• Ifyourelectricalsystemisconguredwithachargingsourcethatcannotsupplythefullloadcurrent
beingdrawnfromthereceivingbatteries,anopen/closecyclingprocesscanoccur.Ifthiscycling
continues,thesecondbatterybankcouldeventuallydischargeeventhoughachargesource
ispresent.
BatteryLink
®
ACR
Automatic Charging Relay
with Auxiliary Battery Priority
980011740Rev.002
Features
•Automaticallycombinesbatteriesduringchargingandisolatesbatterieswhendischarging
•OptionalAuxiliaryBatteryPriorityconnectionsharesthealternatorchargewiththeAuxiliarybattery
longerallowingtheuseoftheauxiliaryloadsforanextendedperiodoftimewhentheengineisrunning
•120AContinuousratingtosupporthighoutputalternators
•Onetenthofthevoltagedropofabatteryisolatorresultsinmorefullychargedbatteries
•Dualsensingtomanagemultiplechargesources
•Robust,fullysealedassemblyforreliabilityinenvironmentswithvibrationandmoisture
•Clip-oncoverinsulatesterminalconnections
•Easytoinstall
•IntegratedLEDindicatesACRstatus(LEDisONwhenbatteriesarecombined)
•OptionalremoteLEDoutputforindicationofACRstatus
Specications 12V DC 24V DC
ContinuousRating 120A 120A
IntermittentRating(5min.) 210A 210A
MaximumCableSize 1/0AWG 1/0AWG
TerminalStudSize 3/8"-16(M10) 3/8"-16(M10)
MaximumTorque 140in-lbs 140in-lbs
MaleQuickConnectTerminals 1/4″x.032″ 1/4″x.032″
Relay Contact Position
Combine (30sec.) 13.6VDC 27.2VDC
Combine (2min.) 13.0VDC 26.0VDC
OpenLow (30sec.) 12.75VDC 25.5VDC
Open-OverVoltageLockout 16.0VDC 32.0VDC
Auxiliary Battery Priority
Optional Feature
OpenLow (30sec.) 12.25VDC 24.5VDC
Regulatory
Emarked for Ignition Protection, Meets ISO 8846,
UL 1500 and SAE J1171 external ignition
protection requirements
Rated IP67----protectedagainstimmersionupto
1meterfor30minutes
Guarantee
BlueSeaSystemsstandsbehinditsproductsfor
aslongasyouownthem.Finddetailed
informationatwww.bluesea.com/about.
Forcustomerservice,call800-222-7617.
PN 7611
MarineElectricalProd
ucts
Installation Instructions
LED Status Chart
LED Relay Status
ON Closed BatteriesCombined
OFF Open BatteriesIsolated