Battery Replacement - MGE Nova AVR 500 Manuel D'installation Et D'utilisation

Notes:
1> As soon as the UPS is powered, for Nova AVR 625/1250, the battery begins charging, whatever the
On/Off switch position. For Nova AVR 500, press On/Off switch about 1 second, battery begins
charging.
2> If the utility power failure exceeds the battery backup time, UPS shutdown to prevent excessive
battery discharge. For Nova AVR 625/1250, UPS will restart as soon as utility returns. For Nova AVR
500, please press On/Off switch about 1 second to restart UPS.
3> The overload breaker trip off during a severe overload. If this occurs, unplug excessive loads and
reset circuit breaker by pressing its reset button.
4> Do not connect non-computer type loads to Nova AVR outlets.

5. Battery Replacement

CAUTION:
Read and follow safety instructions before removing batteries. This
must be done by qualified personnel due to risk of high energy.
Switch off the UPS and disconnect it from utility power and critical loads
Remove watches, rings or other metal objects
Use tools with insulated handles
Nova AVR 625 battery replacement drawing
Battery replacement step description:
1. Take off front panel
2. Pull out battery
3. Disconnect battery wire
Note:
Nova AVR 1250 battery replacement is very similar to Nova AVR 625 except 2 batteries
contained. Total battery voltage is 12V for Nova AVR 625 and 24V for Nova AVR 1250.
Nova AVR 500 battery replacement is not applicable.
Disposal of the old battery
► Never throw the battery in a fire (risk of explosion)
► Do not attempt to open the battery (the electrolyte can harm the skin and eyes)
► Store the battery in a dry location
► The battery contains lead, a substance that can harm the environment if the battery is not
disposed of correctly
► The battery must be recycled by a certified organization, in compliance with applicable
regulations
► Drop the battery off at authorized collection points or contact MGE Office Protection Systems to
have the battery collected and recycled
MGE Office Protection Systems Nova AVR User's Manual / Manuel d'utilisation Page 5