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Caution
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 the unit in places where the ambient temperature is lower than 0°C or
higher than 40°C. (With no condensation)
● 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 corrosive gas, places with large amounts of
dust, places exposed to direct sunlight, places exposed to shock or vibration, salty
or wet places, or outdoors.
● Installation or storing the unit in such a place may cause a fire.
When you use plug strip and other plugs to connect additional devices,
do not connect devices that exceed the current capacity of the available
plugs.
● 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 us.
All of the included accessories are designed to be used with the unit. Do
not use the accessories with other devices.
● Doing so may compromise the safety of devices.
Do not block the air vents (front, rear, and sides).
● Doing so will cause the internal temperature to rise, which may cause the unit to fail
and the battery to deteriorate.
● Leave at least 5 cm of space between the vent and the wall.
When installing the unit on a rack, place it on the bottom shelf of a rack.
● Injury may result if the unit falls.
To attach a screw, tighten it with a specified torque.
● Failure to do so might cause a tightening error and result in a fire or fall.
(Table 1) Specified tightening torque
Nominal
Tightening torque
diameter
M3
0.55±0.1 N·m
M4
1.23±0.15 N·m
M5
2.75±0.2 N·m
BU100RS
(for installation and connection)
Type of screw used
Ear-bracket mounting flat head screw,
terminal-block-cover mounting screw
Terminal-block-cable mounting screw
Rack mounting screw
Safety Precautions
9
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