Installation and Operation Manual
MAN332%1.pm5
page 12
•
When replacing batteries, use the same quantity and type of batteries: sealed Lead-Acid Maintenance
Free (PTM280VA: one 7AH/12V), (PTM420VA: one 7AH/12V) (PTM650VA: one 11AH/12V),
(PTM1KVA: three 11AH/6V)
4.2 Battery Replacement Procedure for PTM280VA and PTM420VA
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.
1. Remove the two small screws from the bottom of the front panel.
2. Gently slide the front panel off.
3. Remove the battery retaining plate by loosening the four screws holding it in place.
4. Gently pull out the battery to the UPS; try to avoid crossing the wires.
5. Disconnect the two wires connecting the battery to the UPS; try to avoid crossing the wires.
6. Connect the wires to the new battery (the red wire is +, the black wire is -)
7. Push the new battery into place.
8. Re-position the battery retaining plate and tighten the four screws.
9. Slide the front panel back into place.
10. Tighten the two small screws on the bottom of the front panel.
4.3 Battery Replacement Procedure for PTM650VA and PTM1KVA
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.
1. Remove the two small screws from the bottom of the front panel.
2. Gently slide the front panel off.
3. Remove the battery retaining plate by loosening the six screws holding it in place.
4. Gently pull out the battery by the tape attached to it.
5. Disconnect the two wires connecting the battery to the UPS; try to avoid crossing the wires.
6. Connect the wires to the new battery (the red wire is +, the black wire is-)
7. Push the new battery into place.
8. Re-position the battery retaining plate and tighten the six screws.
9. Slide the front panel back into place.
10. Tighten the two small screws on the bottom of the front panel
