LIEBERT PSI5™ UPS RACK MOUNT RM SERIES
Quick Installation User Guide
3. Fully shutting down
the UPS
Perform the normal shutdown
sequence. Remove the front
bezel, then disconnect the
battery connector. Replace the
front bezel. The unit is now fully
shut down.
BATTERY REPLACEMENT
Before you proceed, please review
the battery safety precautions
available at https://www.vertivco.
com/ComplianceRegulatoryInfo.
You may safely replace the internal
battery pack. See the Specifications
in the User Guide online at www.
VertivCo.com for the part number
of the replacement battery for your
UPS model number.
NOTE: Replace the battery with
the same type and number
as originally installed.
1. Removing the front panel
Remove the front bezel by
pulling firmly until the snaps
release.
2. Disconnecting the
battery wires
Disconnect the battery
connector by squeezing the
ends and pulling apart.
3. Removing the battery box
Remove the two screws and the
metal battery cover plate. Slide
out the existing battery kit and
disconnect the battery
terminals from the connector,
disconnecting the red wire first
then the black wire.
4. Installing the new battery
Plug the removed connector
into the terminals of the new
To contact Vertiv Technical Support: visit www.VertivCo.com
© 2019 Vertiv Co. All rights reserved. Vertiv and the Vertiv logo are trademarks or registered trademarks of Vertiv Co. All other names and logos referred to are trade names,
trademarks or registered trademarks of their respective owners. While every precaution has been taken to ensure accuracy and completeness herein, Vertiv Co. assumes no
responsibility, and disclaims all liability, for damages resulting from use of this information or for any errors or omissions. Specifications are subject to change without notice.
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590-1991-665A
Display
Battery Replacement
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battery, plugging the black wire
in first then the red wire. Orient
the connector and the new
battery in the same way as the
original battery, then slide them
into the UPS. Reconnect the
two halves of the battery
connector and slide the front
panel back on until it clicks.
Replace the metal plate and
secure with the two screws.
Snap the front bezel back on.
5. Testing the new battery
Press and hold the power
button for three seconds to
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initiate the Battery-Self Check
mode to clear any previous
battery fault warning.
6. Disposing of
the old battery
Properly dispose of old
batteries at an appropriate
recycling center or return them
to Vertiv in the packing material
for the replacement batteries.
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