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The UPS is an electrical device that can be dangerous. The device should only
be opened by qualified personnel. Repairs should only be carried out by
qualified service personnel!
The output can also be electrically charged, even if the UPS is not connected to
the mains power supply. The UPS has its own internal power supply (battery)!
To ensure operator safety, the device must be properly grounded!
The Protect D. must only be connected and operated with a VDE-approved
power cord with a grounding conductor to 200 V / 208 V / 220 V / 230 V / 240 V AC
voltage networks with a protective ground.
CAUTION – RISK OF BURNS!
The battery has a high short-circuit current. Connection or disconnection errors
can lead to the melting of plug connections, to arcing and to severe burns!
The device is equipped with a warning signal that sounds when the Protect D.
battery is discharged or when the UPS is not working in the normal mode (see
also chapter 9.1.1 “Alarm- / error messages”, from page 61).
To ensure the safe operation and reliability of the UPS and battery modules
(optional), observe the following safety instructions:
• Do not attempt to open the UPS! (The UPS does not contain any parts that
require regular maintenance. Please note that if the UPS has been opened,
any warranty claims with be voided)
• Do not expose the device to direct sunlight or a direct heat source!
• The unit is designed for installation in temperature controlled indoor rooms.
Do not install the device close to water or in very humid areas!
• If the UPS is brought from a cold environment into the installation area,
condensation may occur. Before using the UPS, it must be absolutely dry;
therefore a waiting time of a minimum of two hours before use is required.
• Never connect the mains power input with the UPS output!