Safety Precautions
BUM150RA
9
Notes
Charge the battery (for at least 24 hours) immediately after purchase.
If you do not use the unit for a long time after purchase, the battery performance may deteriorate
and it may become unusable.
The battery can be charged once the AC input plug of the UPS is connected to a wall outlet
(commercial power).
When storing the UPS, charge the battery for at least 24 hours and turn OFF the
power switch.
The battery discharges even when it not being used, and it goes into over discharge state if it is
left for a long period of time.
The backup time may become shorter or the battery may become unusable.
We recommend keeping the temperature 25°C or less when storing the unit for long periods of
time.
Connect the AC input plug of the UPS to a wall outlet (commercial power) for at least 24 hours at
the following intervals:
-Every 6 months when storage temperature is 25°C or less
-Every 2 months when storage temperature is 40°C or less
Turn OFF the power switch of the UPS during storage.
Do not install or store the unit in a place exposed to direct sunlight.
A rise in temperature may cause the built-in battery to deteriorate rapidly and become unusable.
This unit uses a lead acid battery.
Lead acid batteries are a valuable recyclable resource. Please recycle.
For information about recycling, please contact our Electronic Systems & Equipments
repair center.