Eaton 9PXM - Power Module Replacement; UPS Firmware Upgrade

98 4–20kVA Users Guide P-164000669 4–20kVA Users Guide P-164000669—Rev 09
The cover has magnetic latches on the left and right sides that hold it in place.
2. Loosen the captive screw on the retaining bracket and slowly pull the upper battery module out of the
cabinet.
3. Repeat the procedure with the lower battery module.
4. Treat the original and replacement battery modules with care to avoid damaging connectors or internal
circuitry. Label the original batteries with masking tape or some other identifier. Record the serial number
of the replacement modules for your warranty.
5. Insert the replacement battery modules by sliding the lower module carefully into the cabinet. Repeat for
the upper replacement module.
6. Reinstall the retaining bracket and tighten the captive screw.
7. Replace the front cover.
Figure 79. Battery Replacement
Retaining Bracket
Battery
Modules
Captive
Screw
Front Covers
99..55 PPoowweerr MMoodduullee RReeppllaacceemmeenntt
The Eaton 9PXM easy replace feature lets you replace a power module without disconnecting the load or
damaging the UPS.
NOTE The UPS may switch to internal Bypass mode if the remaining power modules are
insufficient to supply the required power. If empty slots exist, install replacement
modules before removing original ones.
Power Module Replacement