Manual

990310020Rev.007
Wire Size and Fuse Rating Chart (Metric)
Charging Amps Minimum Wire Size* Fuse Rating
≤50 10 mm
²
75-80A
≤70 16 mm
²
80-90A
≤90 25 mm
²
125-130A
≤110 35 mm
²
150A
≤120 50 mm
²
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
* Larger wire sizes may be required to minimize voltage drop in long wire runs.
For more information, please visit the Circuit Wizard at circuitwizard.bluesea.com
Installation Diagram Wire Size and Fuse Ratings
Dimension Drawings
star t
engine
accessory
off
to
house
loads
21
e-Series Dual Circuit Plus™ battery switch
Start
Battery
House
Battery
10 AMP
FUSE
16 AWG
COMMON BUS BAR
16 AWG
16 AWG
GROUND
START KEY SWITCH
2AMP
FUSE
OPTIONAL
REMOTE
LED
OPTIONAL
START ISOLATION
(SI) WIRE
GROUND
ENGINES WITH ALTERNATOR AND
STARTER WIRES COMBINED
(Typical of Outboard Motors)
See Wire Size and Fuse Rating charts for connections from 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
ALTERNATOR
STARTER
21
e-Series
Dual Circuit Plus™ battery switch
2A FUSE
Engines With Combined Alternator and Starter Wires
- typical of outboard motors
Star t
Battery
Alternator Wiring may
Include the Following:
1. to Starter
2. to Engine terminal of
battery switch
3. to Start Battery
4. to House Battery
Alternator connected to a larger
battery bank is most efficient.
This diagram is for reference only.
Alternator wiring configuration does
not affect ACR installation.
Engines With Separate
Alternator and Starter Wires
- typical of inboard engines
SI-ACR
AUTOMATIC
CHARGING
RELAY
with
START
ISOLATION
*Theseinstallationdiagramsshowtypicalapplications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SI-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.
*IftheCOMBINEDindicatorLEDisashing,theACRisinalockoutstate,andwill
 notcombinebatteriesuntilthelockoutconditionisremoved.Ensureneitherbatteryis
below9.5Vfora12Vsystemor19Vfora24Vsystem.Alsoensurepositivevoltage
 isnotpresentontheStartIsolationterminal.
*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.
425 Sequoia Drive
Bellingham, WA 98226 USA
p 360.738.8230
p 800.222.7617 USA and Canada
f 360.734.4195
[e-mail]
www.bluesea.com