Maintenance - Liebert PowerSure Personal User Manual

The PowerSure Personal UPS requires very little maintenance. The batteries
are valve regulated, nonspillable, lead acid, and require that they be kept
charged to obtain their designed life.
batteries when connected to the utility supply.
When storing the UPS for any length of time, it is recommended to plug in the
UPS for at least 24 hours every four to six months to ensure full recharge of the
batteries.
FUSE REPLACEMENT PROCEDURES
Insert flat blade screw
driver into slot and pull
fuse holder out to remove
CAUTION: Before changing the supply fuse, turn off the UPS, and unplug the
input cord from the AC input power supply and from the UPS.
1. Remove the fuse holder by inserting a flat blade screwdriver into the slot and
pulling out as indicated in the figure above.
2. Remove the input fuse.
3. Remove the spare fuse from its position by using the screwdriver to push it
out.
4. Place spare fuse in the input fuse position, and replace the fuse holder. The
fuse holder will lock into position.
5. Reconnect the input power lead to the UPS, and the input power lead to the
input AC supply.
6. Restart the UPS. The UPS is ready for normal operation.

MAINTENANCE

Personal Model #
PSP300-115
PSP500-115
The UPS continuously charges the
Input Fuse
Spare Fuse
Fuse Type
5A / 125V
6A / 125V
6
AC Inlet
Fuse Holder