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7. UPS maintenance
• Replacing the internal battery
The internal battery is heavy. Use caution when handling the heavy batteries.
To replace the battery pack:
1.
Remove the center cover of the front panel
2.
Remove the two screws to open the left side of the front panel
3.
Remove the two screws to pull out the metal protection cover of the battery
A ribbon cable connects the LCD control panel to the UPS. Do not pull on the cable or disconnect it.
4.
Pull out the plastic handle of the battery pack, and slide the pack out slowly on to a flat and stable
surface. Use two hands to support the battery pack. See "Recycling the used equipment"
on page 37 for proper disposal.
5.
Verify that the replacement batteries have the same rating as the batteries being replaced.
6.
Put the new battery pack into the UPS. Push the battery pack firmly to ensure a proper connection.
7.
Screw back the metal protection cover and the front panel, then clip the center cover.
8.
Continue to “Testing new batteries” on page 36.
Summary of Contents for 9PX3K3U
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