User Manual 1-3kVA Rev. 9
- Page 23 of Total 30 -
4. Maintenance
4.1 General Maintenance
The S
T
Series UPS requires only very simple maintenance. The batteries are sealed,
valve-regulated, maintenance-free and enclosed in a fire-retardant pack. The batteries
should be kept charged to maintain their designed lifetime. When utility power is
supplied to the UPS, it will continuously charge the batteries.
`
Environment
Î
For the best preventive maintenance, keep the area around the UPS clean and
dust-free.
Î
Please keep the exhaust holes of UPS unobstructed.
Î
Operate the UPS in an indoor environment with an ambient temperature range of 32°F
to +104°F (0°C to +40°C).
Î
Keep the UPS on a flat, stable surface with a
10cm
space around it for proper
ventilation.
Î
Do not place the unit near a heat source also avoid placing the unit in direct sunlight.
Î
Do not place the unit near water or excessive moisture.
`
Storing the UPS and Battery
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 battery recharge.
`
Replace the Battery
It is suggested that the battery pack be replaced every two years to ensure that the UPS
provides full backup capacity during a blackout. Batteries should be checked every two to
three months. If the batteries need replacing, please contact your sales representative
to order a new battery.
