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158

APPENDIX

Battery Management

Wiring Schematics

for Typical

Applications

Batteries are at the heart of the

electrical system found on any

boat or vehicle. Proper battery

management, including switching

and charging, is essential for

safe and reliable operation. The

following wiring diagrams show

how batteries, battery switches,

and Automatic Charging Relays are

wired together from a simple

1 battery - 1 engine configuration

to a 4 battery - 2 engine - 1

generator system. For more

detailed wiring guidelines please

consult a qualified marine

electrician or one of the many

books available on the subject.

Note: The ACRs pictured are

representative of any ACR. The

battery switches are representative

of any Battery Switch of the same

model.

1 Battery - 1 Engine

2 Battery - 1 Engine

Switches a single battery to a

single load group.

ON-OFF Battery Switch

Simultaneously switches two isolated

battery banks or combines battery

banks to all loads.

1 Dual Circuit Plus™ Battery Switch

1 Automatic Charging Relay

Can isolate a failed battery.

3 ON-OFF Battery Switches

1 Automatic Charging Relay

Note:

Uses same style batteries

2 Battery - 2 Engine

House battery is shared with one engine.

One engine battery is in reserve.

2 Selector Battery Switches

1 Automatic Charging Relay

Engines share one battery.

House battery is in reserve.

1 Dual Circuit Plus™ Battery Switch

1 Automatic Charging Relay

Can isolate a failed battery.

3 ON-OFF Battery Switches

1 Automatic Charging Relay

Normal - Set all switches to position 1

Parallel - Set all switches to position 1+2

Isolate - Set Load switch to Position 2 and

Source Switch to position 1+2

Saves battery power for starting.

1 ON-OFF Battery Switch

1 Low Voltage Disconnect

Switches isolated battery banks to all

loads or combines battery banks

to all loads.

1 Selector Battery Switch

1 Automatic Charging Relay

The diagram above is intended for reference only. Consult an ABYC certified marine electrical professional for system design and circuit protection.

House

Start

Engine

Start

Stereo

LVD

Battery Switch

Engine

ACR

Start

House

House

Engine

ACR

House

House

Start

Engine

ACR

Start

House

House

Engine

ACR

House

Start

Start/

House

Engine

Engine

ACR

Start

House

House

Engine

Engine

ACR

Start

House

House

Engine

Engine