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CONTROLS AND INDICATORS
On/Off Switch
This switch controls charger output. The switch is located on the rear of the unit
and must be in the "Up" position to enable the charger.
Circuit Breaker Switch
This breaker is located on the rear of the unit and must be closed to allow the LRT
Battery Cabinet to supply additional DC power to the UPS in the event of an
interruption in commercial power. The switch must be in the "On" position to close
the breaker.
Power Indicator (Green)
The Power indicator is located on the rear of the unit and is illuminated when the
LRT Battery Cabinet is receiving commercial power and the internal charger is
operating.
Summary Alarm (Red)
The Alarm indicator is located on the rear of the unit and is illuminated if the LRT
Battery Cabinet has detected a problem. In addition, one or more of the UPS
load/battery level indicators may be illuminated (refer to the UPS Troubleshooting
Guide).
MAINTENANCE
The LRT Battery Cabinet requires very little maintenance. The batteries are valve
regulated, nonspillable, lead acid, and should be kept charged to obtain their
designed life. Periodically, examine the vents on the front and rear of the cabinet,
and remove any obstructions from the surface of the vents.
When storing the LRT Battery Cabinet for any length of time, it is recommended to
recharge the LRT Battery Cabinet for at least 24 hours every four to six months to
increase battery life. In no case should the unit be stored in excess of nine months
without recharge.
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