CTEK D250SA Руководство - Страница 8

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5. Large service battery with parallel consumers

PREREQUISITES

A dual battery system where a D250SA

together with a SMARTPASS 120 charges a

100–800Ah service battery. Current is supplied

from a solar panel and/or an alternator. The

starter battery is charged from an alternator.

It is advantageous to use this installation when:

• The alternator is not able to deliver the desired

charging voltage.

• The service battery capacity is greater than

100Ah.

• Parallel consumption takes place during

charging. By connecting the consumers to the

Output Consumers on the SMARTPASS 120,

the service battery will be able to charge wit-

hout parallel consumption and the consumers

+IN

STARTER

BATTERY

10 • EN

will instead be supplied with current from the

alternator.

• The service battery shall be protected

against deep discharge. Connect non-critical

consumers to the Output Consumers on the

SMARTPASS 120. Connect critical consumers

directly to the service battery. SMARTPASS 120

does not in that case switch off the critical con-

sumers when the service battery is completely

discharged.

TIP 4

Connect the cabling from the starter and service

batteries respectively to the SMARTPASS 120

and not to the D250SA.

6. Connect an AC/DC charger

PREREQUISITES

A dual battery system where there is a

230/110V charger and a D250SA that,

together with a SMARTPASS 120, charge a

service battery with a capacity of 150–800Ah.

Current is supplied from a solar panel and/or

an alternator to the service battery. The starter

battery is charged from an alternator.

It is advantageous to use this installation when:

• The charge from the alternator while it is char-

ging (engine running) is not enough, so it has to

be supplemented by a 230/110V charger.

• The alternator is not able to deliver the desired

charge voltage.

• The service battery capacity is greater than

150Ah.

RECOND

MODE

NORMAL

RECOND

NIGHT

+IN

STARTER

BATTERY

• Parallel consumption while charging is taking

place. By connecting the consumers to the Output

Consumers on the SMARTPASS 120, the service

battery will be able to charge without parallel

consumption and the consumers will instead be

supplied with current from the alternator.

TIP 5

Connect a 230/110V charger to the starter

battery if it needs charging. In that case both

the starter and service batteries will be optimally

charged from the 230/110V charger.

TIP 6

Heavy current consumers (more than 80A) must

be connected directly to the service or starter

battery.