13
12
English
BATTERY REPLACEMENT PROCEDURE
(QUALIFIED SERVICE PERSONNEL ONLY)
PLEASE READ THE CAUTIONS AND WARNINGS BEFORE ATTEMPTING
TO REPLACE THE BATTERIES
Hot-swappable batteries mean that the batteries can be replaced without
powering down the whole UPS system.
NOTE: If there is a power interruption while replacing the hot-swappable batter-
ies, with the UPS on, the load will not be backed up. To hot-swap the Battery
Pack's batteries start with step number 6.
1. Turn off the equipment that is plugged into the output receptacles of the
UPS.
2. Press and release the Off button on the front panel to turn the UPS off.
3. Unplug the UPS's AC power cord from the AC wall outlet.
4. Unplug the equipment from the output receptacles of the UPS.
5. Unplug the computer interface cable from the rear panel of the UPS.
6. Turn off all of the DC circuit breakers on the rear panel of all of the Battery
Packs.
7. Disconnect all of the external battery cables.
8. Remove the front panel retaining screw cover plates. (FIG. 1)
9. Remove the front panel retaining screws. (FIG. 2)
10. Remove the front panel.
11. Remove the retaining screws for the battery retaining bracket. (FIG. 3)
12. Remove the battery retaining bracket. (FIG. 3)
13. Cut and remove all of the battery cable ties from the battery modules.
14. Disconnect the battery connectors (red and black) one from each battery
module. (FIG. 4)
15. One at a time grasp the battery pull tabs and gently pull the battery mod-
ules out of the Battery Pack and set on the floor. (FIG. 4)
NOTE: Use Caution, the battery modules are heavy.
16. Remove the tape that goes around the battery module.
17. Remove the top half of the plastic battery tray.
18. Disconnect the battery positive (red) wires.
19. Disconnect the battery negative (black) wires.
20. Disconnect the battery jumper wires.
BP24RTEXL
BP48RTEXL
Battery Qty/Rating
20 - 12V9.0Ah
BP36RTEXL
BP72RTEXL
Model #
Replace the batteries with the same number and type as origi-
nally installed in the Battery Pack. These batteries have pres-
sure operated vents. These Battery Packs contain sealed non-
spillable maintenance free lead acid batteries.
CAUTION:
Yuasa Part #
REW45-12
CSB Part #
HR 1234W F2
18 - 12V9.0Ah
English
WARNING!
This Battery Pack contains potentially hazardous voltages. Do
not attempt to disassemble the Battery Pack beyond the battery
replacement procedure. These Battery Packs contain no user
serviceable parts. Repairs and Battery replacement must be per-
formed by QUALIFIED SERVICE PERSONNEL ONLY.
Do not open or mutilate batteries. Released electrolyte is harmful
to the skin and eyes and may be toxic.
CAUTION:
(QUALIFIED SERVICE PERSONNEL ONLY)
CAUTION:
Do not dispose of batteries in a fire. The batteries may explode.
The batteries in this Battery Pack are recyclable. Dispose of the
batteries properly. The batteries contain lead and pose a hazard
to the environment and human health if not disposed of properly.
Refer to local codes for proper disposal requirements or return
the battery to the supplier.
Although battery system voltages are only 24VDC, 36VDC, 48VDC
and 72VDC the battery system can still present a risk of electri-
cal shock. These batteries produce sufficient current to burn wire
or tools very rapidly, producing molten metal. Observe these pre-
cautions when replacing the batteries:
1. Remove watches, rings, or other metal objects.
2. Use hand tools with insulated handles.
3. Wear protective eye gear (goggles), rubber gloves and boots.
4. Do not lay tools or other metal parts on top of batteries.
5. Disconnect the charging source prior to connecting or discon-
necting the battery terminals.
6. Determine if the battery is inadvertently grounded. If the batt-
ery is, remove the source of the grounding. Contact with any
part of a grounded battery can result in an electrical shock.
The likelihood of such shock will be reduced, if such grounds
are removed during installation and maintenance.
CAUTION:
These Battery Packs have an easy to replace hot-swappable batteries. Please
read all of the WARNINGS and CAUTIONS before attempting to service the
batteries.
NOTE: If there is a power interruption while replacing the hot-swappable batter-
ies, with the UPS on, the load will not be backed up.
4. REPLACING THE BATTERY
