Chapter 1 Important Safety Instructions
3
4. Maintenance service must be performed by qualified service personnel.
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panels to be opened and/or removed.
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charges or unsafe electrical conditions.
6. Do not use extension cords to connect the UPS to an AC outlet.
7. Do not plug the UPS's input cord into its own output receptacles.
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Usage Warnings
1. Before usage, you must unpack the UPS and allow it to adjust to room temp-
erature (20°C~25°C) for at least two hours to avoid moisture condensing
inside the UPS.
2. The external slits and openings in the UPS are provided for ventilation.
To ensure reliable operation of the UPS and to protect the UPS from
overheating, these slits and openings must not be blocked or covered. Do
not insert any object into the slits and openings that may hinder ventilation.
3. Even though all buttons are in the OFF position, the UPS is not isolated from
the mains. To completely isolate the UPS from the mains, please disconnect
the input power cord.
4. The unit supplies power from two sources, the mains and the batteries.
The output receptacles may have voltage present even when the unit is
unplugged. Unplugging the UPS puts it into battery mode and the batteries
supply power to the connected loads.
5. Route all cords well so that nobody can stand on them or trip over them.
6. When connecting the unit to the power supply, follow the instructions stated
in &KDSWHU&RQQHFWLRQV.
7. Ensure that no objects (e.g. rings, necklaces, paper clips, etc.) get inside
the unit.
8. In an emergency, switch off the unit, disconnect it from the mains and
contact the responsible customer service representative.
9. Do not connect any equipment that requires DC current.
10. Do not connect any equipment that may overload the UPS.
11. Do not connect or disconnect any cables during a thunderstorm.
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