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The A 4506 and A 4512 battery chargers are ideally suited for PA systems requiring battery back up in the event of mains
power failure.
The design incorporates a highly efficient, intelligent, multi stage switchmode battery charger ensuring optimum battery
charging and performance.
This charger has been specifically designed for use on sealed lead acid batteries (SLA).
1.0 Features
• Short circuit protection
• Electronic reverse polarity protection
• 2 stage charging
• 2 switched 50 amp outputs
• Automatic boost and float voltages
• Precision control of boost and float voltage settings
• Battery Isolator/circuit breaker
• 24V DC Auxiliary outputs (maximum load 1 amp)
• Digital battery voltage display
• Digital battery current display
• Charging mode status indicators
• Mains/battery/low battery status indicators
• 24V out status indicator
• Low voltage cut off to protect battery
• 2U 19" rack mount chassis
• 2 year warranty
• Ideal for sealed lead acid batteries
• Australian designed and manufactured
• Made in Australia
Operating Manual
A 4506
6A Battery Charger
A 4512
12A Battery Charger
User manual revision number 1.0 26/02/2016
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Related Manuals for Redback A 4506
Summary of Contents for Redback A 4506
- Page 1 A 4512 12A Battery Charger The A 4506 and A 4512 battery chargers are ideally suited for PA systems requiring battery back up in the event of mains power failure. The design incorporates a highly efficient, intelligent, multi stage switchmode battery charger ensuring optimum battery charging and performance.
- Page 2 These indicate what power source the battery charger is powering from. Mains power - Green LED Battery power - Orange LED Low Battery - Red LED Power Switch Used to turn the unit On or OFF. Redback® Proudly Made In Australia...
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Page 3: Rear Panel Connections
This breaker can be used as an isolator to quickly disengage the batteries without having to disconnect leads. It also acts as a safe guard against short circuits in the battery leads or reverse polarity connection. Battery +ve Connection This is connected to the positive terminal of the battery. Redback® Proudly Made In Australia... -
Page 4: Battery Characteristics
Before connecting batteries to the charger it is recommended that the batteries be equalised as shown in Fig 4. Batteries should also be connected in series to create a 24V battery source as shown in Fig 5. ** PLEASE NOTE: The A 4506 and A 4512 are 24V battery charging systems. ** Equalising batteries... - Page 5 (max load current 50A) CAUTION NOTE: Only use batteries of the same make and capacity. on Alarm RISK OF ELECTRIC SHOCK 24V SYSTEM ONLY OPEN BY QUALIFIED Conditions 240V AC PERSONNEL ONLY 24V BATTERY BANK Fig 6 Redback® Proudly Made In Australia...
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Page 6: Charger Operation
Whilst the battery is connected to the unit and mains power is applied, the charger will continue to charge the battery. The charger will charge the battery at “Boost” current (6A for A 4506 or 12A for A 4512) until 29.4V is reached, at which time the battery charger will continue to “Absorb”... -
Page 7: 11.0 Troubleshooting
Check connections to (To battery) terminals and to the battery. Make sure the Isolate breaker hasn’t been reset. Load does not power up when mains fails. Check connections to (To load) terminals and to the load. Make sure the Isolate breaker hasn’t been reset. Redback® Proudly Made In Australia... - Page 8 Input Voltage:..............240V AC 50Hz Boost Voltage:................29.4V DC Trickle Voltage: ................27.6V DC Boost Current:...............(A 4506) 6A Max. (A 4512) 12A Max. AC Fuse Protection: ..............(A 4506) 5A (A 4512) 5A Display: Battery Voltage..............3.5 Digit LCD Battery Current..............3.5 Digit LCD Trickle charge ................Green LED...