Charge OC-1230P User Manual download pdf (Page 5)

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DIP SWITCH PROGRAMMING

The default out-of the-box factory setting will probably suit most new installations which are;

 Absorbed Glass Mat (AGM) battery type

 Charge Voltage: 14.5V

 Float Voltage: 13.7V

 DIP switch: 1 = Off, 2 = Off, 3 = On, 4 = Off, 5 = On, 6 = Off, 7 = On, 8 = On.

If your battery type is different, or you have replaced the battery these are the available adjustments;

Use with “Calcium” Sealed Maintenance Free (SMF) batteries

Turn switches 4 and 8 only ON. This will enable the Calcium mode and change the Absorb charge to 14.7V

and the Float charge to 13.2V (check with your battery supplier that these voltages are compatible and do not

void warranty).

IMPORTANT: Calcium batteries are classified as a “wet” cell by AS/NZS 2676 and AS/NZS 3011 and must be

installed in a well-ventilated area not indoors.

AUTOMATIC POWER-SUPPLY MODE

This charger will automatically become a power supply in the event there is no battery connected, or the

battery is heavily discharged (under 3V), or there has been a total battery failure.

If there has never been a battery installed in your caravan/RV/boat you must have this unit plugged into AC

mains to be able to operate the lights, TV, etc.

If you decide to install a battery at a later stage, you do not need to purchase another charger. Simply have a

suitable battery installed by a professional automotive-electrician and check the DIP switch is correctly set for

that battery type.

If you have a battery installed and suspect there has been a battery failure of any kind, this feature will allow

you to still be able to operate your DC loads such as lights and TV because the charger will still turn on when

the battery has been disconnected and/or removed.

If this happens, disconnect the AC mains and have an automotive-electrician to disconnect the battery

Negative terminal and then secure and insulate the cable so it cannot short-circuit or make contact with

anything.

When AC mains is reapplied with no battery connected, the charger will automatically restart as a Power

Supply.

When the problem is fixed or faulty battery is replaced, it will automatically restart as a Battery Charger.

USE WITH OTHER CHARGING SOURCES

It is quite common in installations where this charger will be used to have other methods of charging the

batteries also connected (and possibly in use) at the same time. Because this charger is has been designed as

a voltage regulated product, there is little chance of this being a problem. Most alternators, solar controllers,

DC-DC chargers, etc will not cause any ill-effect if used at the same time. However, we recommend that you

check with the other equipment suppliers if you are not sure.

STORAGE

This charger requires a small constant amount of “backfeed” power to run the microprocessor and the LCD

when there is no AC mains present. This is not a problem if you are travelling and using the charger on a

regular basis. It is also not a problem is you have uncovered solar panels always keeping the battery “topped

up” too.

Where this can be a problem is if the vehicle is in storage for a few months or more at a time, and the battery

can be deeply discharged and damaged. To avoid this there are two options;

 Leave the AC mains permanently connected (recommended), or

 Charge the battery fully for 24 hours, then unplug the main DC connector or disconnect the battery

Negative terminal.

Keep in mind that all batteries have a certain rate of “self discharge” and will eventually go flat by themselves,

so we recommend the charger be left connected to AC mains when not in use.

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Charge OC-1230P User Manual Page 5

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