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5. Maintenance
5.3 Battery module replacement
Safety recommendations
Warning: To prevent personal injury from hazardous energy:
• This operation must be performed when the UPS is switched off and unplugged from the AC source.
• Do not disconnect the connector while the unit is operating from the AC mains or in reserve mode.
• The battery connection must not be disconnected while running in reserve mode.
• The battery can cause electrocution and high short-circuit currents. The following safety precautions
are required before servicing the battery components:
• Remove watches, rings, bracelets, and all other metal objects from the hands and arms.
• Use tools with an insulated handle.
• Do not place tools or metal parts on top of batteries.
Replacing the batteries
• Read and observe the requirements in "Important battery safety information" and "Battery care and
storage guidelines" in this section before battery module replacement.
• Follow the instructions in this section to replace the battery module.
Note: Replace all battery modules at the same time.
Important battery safety information
Warning: The unit contains sealed lead-acid battery modules. To prevent fire or chemical burns:
• Do not attempt to recharge batteries after removal from the unit.
• Do not disassemble, crush, or puncture the batteries.
• Do not short the external contacts of the batteries.
• Do not immerse the batteries in water.
• Do not expose to temperatures higher than 60°C (140°F).
Battery care and storage guidelines
Caution: Because of the short shelf life of the batteries, avoid storing a battery spare as a
backup. Do not maintain an inventory of spare batteries on site unless a procedure to keep
these batteries charged while in storage is implemented.
To maintain the batteries:
• Minimize the amount of time the UPS uses battery power by matching the UPS configuration with the utility voltage (see
"6.1 HPE R/T2200 G4 NA/JP UPS and HPE R/T3000 G4 LV NA/JP UPS" on page 29 and "6.2 HPE R/T3000 G4 HV NA/JP
UPS and HPE R/T3000 G4 INTL UPS" on page 30).
• Keep the area around the UPS clean and dust-free. If the environment is very dusty, clean the outside of the UPS regu-
larly with a vacuum cleaner.
Battery module removal
Page 27
B
A
Remove the middle panel.
A
Remove the left-hand
B
side of the bezel by push-
ing the button and sliding
the part to the left.
792519-001 Edition 2
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