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BT Versatility
Installation and Maintenance Manual
23
Connecting the Battery
Ensure the battery switch on the BBU unit is turned off.
• This switch does not turn off the mains supply. The mains is disconnected
by unplugging the mains cord
• Insert the battery into the battery cavity in the CCU
• Connect the cables from the battery charger to the battery ensuring that the cables are connected
correctly. Red cable to Red battery terminal, black cable to Black battery terminal
• Turn the battery charger switch on.
• Reconnect the mains.
Led Indicators
A status LED on the BBU is provided.
• GREEN indicates the unit is running from mains power and the battery is charging or fully charged.
• ORANGE indicates the unit is running off the Battery
• RED indicates that the battery is discharged
• Flashing RED indicates the battery is disconnected and the switch is running from the mains