26
BATTERY REPLACEMENT PROCEDURE (EN750G)
(QUALIFIED
SERVICE PERSONNEL ONLY) (SEUL UN TECHNICIEN QUALIFIÉ)
PLEASE READ THE CAUTIONS AND WARNINGS BEFORE ATTEMPTING
TO REPLACE THE BATTERY MODULE.
Hot-swappable batteries mean that the battery module can be replaced without
powering down the whole UPS system.
NOTE:
If there is a power interruption while replacing the hot-swappable
battery module, with the UPS on, the load will not be backed up. To hot swap
the battery module, start with step number 6.
1. Turn off the equipment that is plugged into the output of the UPS.
2. Turn off the UPS.
3. Unplug the UPS's power cord from the wall outlet.
4. Unplug the equipment from the output receptacles of the UPS.
5. Unplug all the cables from the side panel of the UPS.
NOTE:
No tools are required for removing or installing the battery door.
6. Grasp the battery door handle, slide the battery door outward, and then lift
upwards and set aside. (FIG. 1)
FIG. 1
7. Grasp the pull-tab and pull the battery module upwards. (FIG. 2) Do not
pull the battery module out by pulling on the battery wires.
8. Disconnect the battery negative (Black) wire. (FIG. 3)
9. Disconnect the battery positive (Red) wire and set the old battery module
aside. Do not short the battery positive wire to the battery negative wire.
10. Verify proper polarity. Connect the battery positive (Red) wire to the
battery positive (Red) terminal on the new battery module.
27
FIG. 2
FIG. 3
11. Verify proper polarity. Connect the battery negative (Black) wire to the
battery negative (Black) terminal on the new battery module.
NOTE:
Some sparking might occur this is normal.
12. Slide the new battery module into the UPS.
13. Reinstall the battery door on the UPS.
14. Properly dispose of the old battery module at an appropriate recycling facility
or return them to the supplier in the packing material for the new battery
module.
15. The UPS is now ready for normal operation.
NOTE:
If the UPS has a Weak/Bad Battery Alarm after replacing the battery
module, a battery test must be performed to clear the Weak/Bad Battery Alarm.
A battery test can be performed by using the software or by disconnecting the
power cord from the wall outlet for 10-seconds and then reconnecting the power
cord back to the wall outlet.
Summary of Contents for Minuteman Enspire Series
Page 19: ...34 Notes 35 Notes...