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PS500B/PS800B 17
6.2 Battery Replacement Procedure
CAUTION: Battery Circuit is not isolated from AC input, hazardous
voltage may exist between battery terminals and ground. Do not short
battery terminals to metal case.
Changing the batteries in your UPS is a safe and easy procedure. Since the
battery is isolated from the AC input you may leave your UPS and computer
or other equipment on during the following procedure. Please note that if you
choose to leave the UPS on when the battery is removed, it will not be able to
power your equipment if a power failure occurs. Please read the cautions in
section 6.1 before performing the following steps.
1. Remove the two small screws from the bottom of the front panel.
2. Gently slide the front panel off.
3. Remove the screws from the battery retaining plate.
4. Gently pull out the battery pack by the tape attached to it.
5. Disconnect the two wires connecting the battery pack to the UPS.
6. Connect the wires to the new battery pack making sure that the red wire
is connected to the red battery terminal (+) and the black wire is
connected to the black battery terminal.
7. Push the new battery pack into place.
8. Reposition the battery retaining plate and tighten the screws.
9. Slide the front panel back into place.
10. Tighten the two small screws on the bottom of the front panel.