American Power Conversion 450 Power Supply User Manual


 
990-5022A, Revision 2 6/99 8
Replacing the Battery Pack
This UPS has an easy to replace hot-swappable battery pack.
Note: Please read the cautions in the APC Safety Guide.
Replacement Batteries
See your dealer or call the number in this manual for information on replacement battery pack kits, order RBC18.
Battery Pack Replacement Procedure
Battery pack replacement is a safe procedure, isolated from electrical hazards. You may leave the UPS and loads on for the following
procedure.
Notes
Once the battery pack is disconnected, the loads are not protected from power outages.
Be careful removing the batteries - they are heavy.
Small sparks at the battery connectors are normal during connection.
APC
1. Reach into the finger pull and remove the front cover.
2. Use a flat-blade screwdriver to turn the two battery door screws ¼ turn counterclockwise; open the
door.
3. Grasp the clear plastic tab and gently pull the battery pack out of the UPS until the battery connector
is visible.
Warning! Do not force the battery pack out. This may damage internal wiring!
4. Disconnect the battery connector by gripping both sides of the connector and firmly pulling them
apart.
5. Slide the battery pack out of the UPS.
6. Slide the new battery pack three-fourths of the way into the UPS.
7. Connect the battery connector attached to the unit to the connector attached to the new battery pack.
8. Push the battery pack in as far as it will go. There are stops in the back to prevent it from going too
far.
9. Close the battery door, turn the battery compartment screws ¼ turn clockwise, and replace the front
cover.
Batteries must be recycled. Deliver the battery to an appropriate recycling facility or ship it to the
supplier in the new battery’s packing material. See the new battery instructions for more information.