5. Connect the jumper wire from the (+)of Battery 1 to the (- )of Battery 2.
6. Route battery leads at least 0.25"from all other cabling.
The series connection described provides the 24 V standby voltage required by the panel. Do not connect the
two batteries in parallel. A parallel connection will not provide the 24 V required for operating the panel in a
standby condition.
The battery connections can be made while AC power on or off. If AC power is off, the battery connection will not
be recognized (and the unit will remain unpowered) until AC is restored. Once AC power is on and the batteries
are connected, examine the LED Status Indicators on the power supply:
l Confirm that the AC NORMAL and DC OUT ONindicators are both illuminated, and the HEARTBEAT
indicator is blinking yellow.
l Confirm that BATTERY DISCON is off. If it is on, recheck the battery connections and test or replace the
batteries.
l Wait 3 minutes and confirm that no trouble indicators are illuminated.
Using a volt meter, measure the voltage across each battery separately. Typically, the voltage of each battery will
measure 12.0 to 14.5 volts depending on the level of charge. Voltages below 12.0 are possible if the battery is
severely discharged. Compare the two battery voltages. A difference of more than 1 volt may indicate a problem
with the batteries.
SHIELD Fire, Safety & Security Ltd
Aura Fire Alarm Control Panel Installation Manual
Version 1.00 |June 2019 |MAN-1431VS
Page 24
Installation
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