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OPERATING INSTRUCTIONS
This OzCharge battery charger has been designed to be easy to operate and very simple to use.
Please refer to the operating instructions below.
1. Pre-Charge Check
(a) Check the Battery Electrolyte level (Non-sealed Batteries). If necessary, remove the vent caps and
add distilled water so the levels are halfway between the upper and lower fill lines.
(b) Location – Ensure the Battery is in a well ventilated area. Never charge a conventional wet cell
battery inside a caravan without adequate ventilation. This includes “Calcium”
maintenance-free types. Refer to Australian / New Zealand Standards (AS/NZS) 2676 and 3011 for
indoor battery installations.
(c) If your charger came as Original Equipment (OE) with your caravan, ignore this step.
Keep the Charger as far away from Battery as the cables permit. Never place the charger directly
above the battery being charged as gasses from the Battery will corrode and damage the charger.
Always keep the charger away from high corrosion / wet and moist areas.
2. Connecting the charger to your battery
Because this product is designed to be hardwired, this step will normally be done as part of the original
installation.
(a) Connect the Red lead from the charger directly to the positive (+) battery terminal.
(b) Connect the Black lead from the charger directly to the negative (-) battery terminal. Do not connect
to the chassis, fuel rails, brake lines, etc.
(c) When multiple batteries are installed in parallel, always use a fuse or DC circuit breaker as close to
each battery as possible.
(d) If connecting the charger to batteries in parallel, connect the charger output lead to each of the
opposite ends of the battery bank to minimise any voltage drop in each battery interconnect.
3. Connect the battery charger to the mains power (230-240Vac)
(a) Note this could be from a generator, powered site, marina, or your home.
(b) The Charger will automatically start when AC power is connected.
(Note: If the Fault Indicator LED illuminates Red, please check your connections as the most
common problem is that the Positive and Negative Leads are reversed. Refer to Trouble Shooting
Page for further information)
(c) Select the desired charge rate: Leave this on the highest (30A) setting normally unless being used
with a very small generator, or on advice from the battery supplier.
(d) Ensure the Battery Type on the LCD matches your battery installed!
Note: The charger will automatically memorise your charging rate setting and battery type setting. The next
time you use the charger it will default to the last setting.
THE CHARGING PROCESS
The charging LED’s indicate all of the Charging Stages. The charging stages are in this order as follows:
Soft start
A Soft Start will only occur if the initial battery voltage is between 3V and 11V due to a deep discharge. During
a Soft Start the unit will charge the battery using half the maximum current (as set by the Charging Amps
button) until the battery voltage is over 11V. (Indicated by the yellow Bulk LED flashing). If the yellow
Bulk LED is blinking, turn off all the loads possible (lights, TV, etc) until the Bulk LED turns solid and stops
blinking.
Bulk Charge
Charges the battery using a constant maximum current (as set by the Charging Amps button) until the battery
rises to the absorption level. (Indicated by the yellow Bulk LED on solid)
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