Blue Sea Systems 7601 m-Series Automatic Charging Relay - 12/24V DC 65A User Manual

Blue Sea Systems Accessories for electrical

Advertising
background image

m

-ACR

Automatic Charging Relay

Features

• Automatically combines batteries during charging, isolates batteries when discharging

• The Start Isolation option protects electronics from voltage sags and spikes during engine cranking

• Supports alternators up to 65 Amps

• Ignition protected—safe for installation aboard gasoline powered boats

• For 12 or 24 volt systems

• Dual Sensing—senses charging on either battery bank

Specifications

Intermittent Rating (5 min.)

115A

Continuous Rating

65A

Operating Current (Combine)

90mA

Operating Current (Open)

15mA

Cable Size (to meet current ratings)

6 AWG (16mm²)

Maximum Cable Size

1/0 AWG (50mm²)

Terminal Stud Size

1/4"-20

Maximum Torque

60 in-lbs (6.8 Nm)

Relay Contact Position

12V DC

24V DC

Combine

(30 sec.)

13.6V DC

27.2V DC

(2 min.)

13.0 V DC

26.0V DC

Open Low

(10 sec.)

12.35V DC

24.7V DC

(30 sec.)

12.75V DC

25.5V DC

Over Voltage Lockout

16.0V DC

--

Under Voltage Lockout

9.5V DC

19.0V DC

Under Voltage Reset

10.0V DC

20.0V DC

Regulatory

E

marked for Ignition Protection, Meets ISO 8846 and SAE J1171 external ignition protection requirements

Rated IP67

----temporary immersion up to 1 meter for 30 minutes

980014350 Rev.001

m

-ACR 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.

m

-ACR Electrical Connections

• The wiring diagrams illustrated on the back page represent common installations and are not meant to

be a guide for wiring a specific vessel.

• The 7601

m

-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.

m

-ACR Voltage Sensing

• The 7601

m

-ACR will sense a charge being applied to either battery bank.

* 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

Charging Amps

Min. Wire Size*

(AWG)

Fuse Rating

Min. Wire Size*

(Metric)

≤30

#10

40A-50A

6 mm²

≤50

#8

60A-65A

10 mm²

≤65

#6

90A-100A

16 mm²

Use the wire sizing chart below to select the appropriate wire sizes to prevent overheating the

m

-ACR.

m

-Series, Dual Circuit Plus™ Battery Switch 6011 (

Included with 7649 Mini Add-A-Battery)

Features

• Switches two battery banks simultaneously with one ON/OFF switch while maintaining battery bank

isolation, minimizing the risk of a dead start battery

• The COMBINE BATTERIES function parallels two battery banks in the event of a low battery

• Ignition protected—safe for installation aboard gasoline powered boats

Specifications

Cranking Rating (10 sec.)

1,000 Amps

Cranking Rating (1 min.)

650 Amps

Intermittent Rating (5 min.)

450 Amps

Continuous Rating

300 Amps

Maximum Voltage

32 Volts

Cable Size to Meet Ratings

4/0 AWG (120mm²)

Terminal Stud Size

3/8"-16 (M10)

Maximum Torque

120 in-lbs (13.56 Nm)

Regulatory

E

marked for ignition protection, meets UL1500 and SAE J1171 external ignition

protection requirements

Rated IP66---protected against powerful water jets

m

-ACR minimum connections for operation:

• Connect one battery bank positive to one of the 1/4”-20 studs.

• Connect the other battery bank positive to the other 1/4”-20 stud.

• Both positive connections should be made through appropriately sized circuit protection to meet

ABYC recommendations. See “Wire Size and Fuse Rating” chart, above, for suggested fuse ratings.

• Connect the quick connect terminal marked

GND (ground) to the DC system ground through

a 10A in-line fuse to prevent fault currents from flowing in this wire.

m

-ACR optional connection:

To enable start isolation:

• Connect a wire from the quick connect terminal marked

SI (starting isolation) to the terminal or wire

running from the start key switch to the starter solenoid (see back for wiring diagram). This connection

can be made at the start key switch or at the starter solenoid, but must be to the line that is positive only

when cranking. Connection to a line that is positive while the engine is normally running will prevent the

charging relay from working properly.

Features and Specifications for

m

-ACR 7601 and Mini Add-A-Battery 7649

LED Status Chart
LED

BATTERY STATUS

REASON

Solid ON

Combined

Charging

Single Flash (15 sec.)

Isolated

Standby

Double Flash

Isolated (Start Isolation)

Start Isolation wire is energized

Triple Flash

Isolated (Under Voltage Lockout)

One or both batteries are below

9.5V (12V System) 19V (24V System)

• Turn all loads off before turning the battery switch to OFF.

• Do not switch to OFF while the engine is running.

• Mount the battery switch in an easily accessible location close to the batteries.

• Attach one 4/0 AWG cable per terminal to meet ratings.

• Terminals must be attached under nut and lock washer. Torque to 120 in-lb (13.56 Nm)

Installation Instructions

m

-Series, Dual Circuit Plus™ Battery Switch 6011

(Included with 7649 Mini Add-A-Battery)

Installation Instructions

m

-ACR Automatic Charging Relay 7601

Advertising
This manual is related to the following products: