Eaton Powerware BladeUPS User Manual page 135

6. If optional EBMs are installed, switch the EBM battery breakers to the OFF (O)
position and disconnect the EBM cable from the UPS battery connector. For the
location of the EBM battery breakers and the UPS battery connector, see
Figure 55 on page 67.
7. Switch all UPS breakers (load connect breaker, input breaker, and battery
breaker) to the OFF (O) position.
NOTE The "Batteries Disconnected" alarm may appear on the UPS front panel. The alarm resolves when
the LCD is disconnected and may be ignored.
NOTE The load connector breaker controls the load connector only, not the output power cord.
8. Disconnect the UPS from the BladeUPS Bar.
9. Remove the UPS front cover and the electronics module (see Figure 86 on
page 125):
To remove the UPS front cover, grasp the fingergrips on both sides of the cover and
pull the cover forward firmly. Unplug the LCD cable connecting the back of the
control panel to the electronics module.
To remove the electronics module, remove the electronics module locking screw at
the top left of the electronics module and retain. Grasp the ring handle at the
middle of the module and pull the module slowly out of the cabinet. Pull firmly to
unseat the connectors. Use two hands to support the module.
NOTE Treat the electronics module with care to avoid damaging the fans, connectors, or internal circuitry.
10. Remove the eight screws on the battery cover plate and retain. Remove the
plate. See a similar removal in Figure 83 on page 122.
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The UPS internal batteries are heavy (see page 130). Each battery tray holds two rows of five batteries.
Use caution when handling the heavy battery trays.
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Pull the battery trays out onto a flat, stable surface. The battery trays are unsupported when you pull
them out of the UPS.
11. Untuck the plastic handle at the end of a battery tray. Pull the handle firmly to
remove the tray. Use both hands to support the tray as it leaves the UPS cabinet.
Repeat for each battery tray. See "Recycling the Used Battery or UPS" on
page 128 for proper disposal.
12. Remove the CAN Bridge Card and any optional X-Slot card from its X-Slot
communication bay.
13. Remove the UPS from the rack carefully to avoid damage to other equipment or
the parallel input cord.
14. If not returning the UPS for warranty, see "Recycling the Used Battery or UPS"
on page 128 for proper disposal.
15. Continue to "UPS Installation into an Existing Parallel System" on page 82.
Eaton BladeUPS (12 kVA) User's Guide
C A U T I O N
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164201649 Rev 6 www.eaton.com/powerqualtiy
UPS MAINTENANCE
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