AYC Defiant II Betriebshandbuch - Seite 7

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House (12-volt) System

Three battery banks support 12-volt DC power: 1) port & starboard engine start battery (located between

the engines and aft in the engine space); ( 2) House battery bank (located on the outside of the engines on

both port and starboard sides); 3) Generator battery (located under the step into the engine room from

the cockpit.)

The BATTERY SWITCHES are located on the overhead panel as you enter the engine space using the

cockpit engine space door. Normally, leave the ENGINE/ GENERATOR and HOUSE SWITCHES in

the 'ON' position.

Note -- Do not change the position of the switches while the engines are running or

the alternator diodes will be damaged.

Your 12 volt panel shows all the systems supported by your batteries. Most of these breakers are "non-

switchable," remaining in the "On" position at all times. Turn off lights, plug-in, etc, at the point of use

to conserve batteries. Bilge pumps should remain as set; they are in the automatic setting.

Your breakers such as propane and should always be turned off after every use. Turning off the 12 volt

Main Breaker will shut off all 12 volt items on the boat except the automatic bilge pumps.

House Battery Bank & Switch

The HOUSE BATTERY BANK provides power for all DC systems, except the engines and 2 automatic

bilge pumps. When disconnected from shore power, all 12-volt devices drain the house battery. Use

devices as needed. The DC voltmeter on the DC panel can be switched between Port, Starboard, and

House Battery banks to measure charging or resting battery voltages.

When a battery bank is being charged, the voltage will read from about 13.1 volts to 14.4 volts depending

upon state-of-charge of the battery bank. When the battery bank is at rest, (that is, not being charged), the

voltmeter can give a rough indication of the state-of-charge of the battery bank.

The house and start batteries are charged by the engine ALTERNATORS while underway. The

engine/house batteries are charged by the BATTERY CHARGER when connected to shore power on

generator power. Ensure the Battery Charger and Inverter circuit breakers at the electrical panel are ON.

Voltage (Wet Cell Battery)

12.65 volts

12.47 volts

12.25 volts

11.95 volts

11.70 volts

Battery Parallel Switch

Each ENGINE BATTERY is connected to its corresponding engine. However, should one engine battery

be insufficiently charged to start its engine, the other engine battery may be momentarily connected to

provide a boost. Rotate the BATTERY PARALLEL SWITCH located straight ahead looking into the

engine room through the cockpit door. Turn off after the engines start-up..

Change positions with the engines off.

Battery State

100%

75%

50%

25%