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MAINTENANCE
The PowerSure ProActive 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. When ON, the UPS continuously charges
the batteries when connected to the utility supply.
When storing the UPS for any length of time, it is recommended to plug in and
turn on the UPS for at least 24 hours every four to six months to ensure full
recharge of the batteries.
The following will help ensure trouble-free operation for years to come:
- Vacuum dust from the ventilation intake occasionally.
- Wipe the cover periodically with a dry cloth.
- Occasionally press the UPS test button to test the condition of the batteries.
FUSE REPLACEMENT PROCEDURES
Insert flat blade screw
driver into slot and pull
fuse holder out to remove
AC Inlet
Fuse Holder
Input Fuse
Spare Fuse
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.
ProActive Model # Fuse Type
PSA350-120 5A / 125V
PSA470-120 6A / 125V
PSA700-120 8A / 125V
PSA350-230 3.15A / 250V
PSA470-230 4A / 250V
PSA700-230 6.3A / 250V