Blue Sea Systems PN 7511 User manual

Brand: Blue Sea Systems

Model: PN 7511

Type: User manual

This manual is also suitable for

7611

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

Emarked 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

980011740Rev.002

425 Sequoia Drive

Bellingham, WA 98226 USA

p 360.738.8230

p 800.222.7617 USA and Canada

f 360.734.4195

www.bluesea.com

Recommended Installation Diagram

*Thisinstallationdiagramshowsatypicalapplicationonly.Yourapplicationmaydiffer.

 Forfurtherinformation,pleasegotowww.bluesea.comandnavigateto

 Resources/ApplicationBriefsandTechnicalBriefs.

*BecausetheBatteryLink™ACRisDualSensing,terminalsAandBareinterchangeable. 

 ACRfunctionwillnotbeaffectedbyreversalofthestartingandhousebatteriesversus 

 thediagram.

*ItisrecommendedthattheACRbeconnecteddirectlytoyourbatterypositiveterminals  

 throughappropriatelysizedfuses.Connectinginadifferentlocationsuchasabattery 

 switchmayaffectaccuracybecauseofvoltagedropalongcurrentcarryingconductors.

*Ifyouarenotknowledgeableaboutelectricalsystems,pleaseconsultanelectrical  

 professionalforhelpwithinstallation.

LEGEND

Positive

Negative

Optional

Fuse

10A

16 AWG

start

run

accessory

off

Start Key Switch

Optional

Remote LED

Auxiliary Battery Priority

Optional Connection

See Wire Size and Fuse Rating Chart for

connections of Terminals A and B.

NOTE: To determine wire sizes and fuse

ratings for all other wires illustrated

please visit the Circuit Wizard at

circuitwizard.bluesea.com

16 AWG

Auxiliary

Battery

Start

Solenoid

Start

Battery

850 CCA* Maximum

* Cold Cranking Amperes

Dimension Drawings

Wire Size and Fuse Ratings

*Largerwiresizesmayberequiredtominimizevoltagedropinlongwireruns.

FormoreinformationpleaseusetheCircuitWizardatwww.circuitwizard.bluesea.com

Wire Size and Fuse Rating Chart (Metric)

Charging Amps Minimum Wire Size* Fuse Rating

≤50 10 mm

75-80A

≤70 16 mm

80-90A

≤90 25 mm

125-130A

≤110 35 mm

150A

≤120 50 mm

150-175A

Wire Size and Fuse Rating Chart (AWG)

Charging Amps Minimum Wire Size* Fuse Rating

≤60 #6 75-90A

≤80 #4 100-125A

≤100 #2 150A

≤120 #1 175A

Blue Sea Systems PN 7511 User manual

Brand: Blue Sea Systems

Model: PN 7511

Type: User manual

This manual is also suitable for

7611

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Blue Sea Systems PN 7511 User manual

This manual is also suitable for

Blue Sea Systems PN 7511 User manual

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