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Safety precautions
When an abnormality (unusual sound or smell) occurs, turn OFF the unit's
power switch and disconnect the AC input plug from the wall outlet.
Install the unit soon after the AC input plug is disconnected from the
wall outlet.
● When performing maintenance on the connected devices, follow the above instructions to
ensure safety.
Do not connect devices such as dryers, some solenoid valves, etc. ,
which have a half-wave rectifier that allows only half-cycle AC power to
flow through.
● Overcurrent may damage the UPS.
Connect the BU1002SWG to a wall outlet (commercial power) with a
capacity of 5.8A or more, and connect the BU3002SWG to a wall outlet
(commercial power) with a capacity of 16A or more.
● Otherwise, the power cord may be heated.
● When equipment with the maximum output capacity is connected, a maximum current of
5.8A (BU1002SWG) or 16A (BU3002SWG) flows.
Provide secure grounding.
● After checking the plug shape of the wall outlet, directly connect the AC input plug of the
unit to it. A failure or leak that occurs when the unit is not properly grounded may result in
electric shock.
Do not disassemble, repair, or modify the unit.
● Doing so may cause an electric shock or a fire.
Do not install the unit in other than specified orientations.
● Dropping or toppling the unit may cause injury.
● If you install the unit in an orientation other than specified, the unit cannot be protected from
a battery fluid leakage.
Do not use the unit where the maximum temperature exceeds 40°C.
● The battery becomes weak rapidly, which may cause a fire.
● Doing so may cause a failure or malfunction of the unit.
Do not exceed the ranges specified for environmental conditions during
use/storage.
Do not install or store the unit in the places listed below.
● Do not store in places where the humidity is lower than 10% or higher than 90%.
● Do not use in places where the humidity is lower than 25% or higher than 85%.
● Do not install/store the unit in closed places such as cabinets with no clearance, places
where there is flammable or correseve gas, places with large amounts of dust, places ex-
posed to direct sunlight, places exposed to shock or vibration, or outdoors.
● Installation or storing the unit in such a place may cause a fire.
Do not connect equipment that exceeds the output capacity of the unit.
You can use a 220V plug strip to connect additional devices, but do not
connect devices that exceed the current capacity of the plug strip.
● The current protection of the unit may operate, which may stop the output.
● The wiring of the plug strip heats up, which may cause a fire.
Do not pinch or sharply bend the cable.
Do not fold or knot the cable.
● Doing so may cause the cable to be damaged or heated, which may cause an electric
shock or a fire.
● If the cable is damaged, stop using the unit and have the cable repaired.
For repair, contact Omron representatives.
iv
Caution
(for installation and connection)
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