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User Manual for POWERLINE 31 series power supply units Check the contents of the packaging. The packaging should contain the following: • power supply unit, • 1 RS 232 communication cable, • user manual, • warranty card. ASSEMBLY • When selecting the place of installation, consider the weight of the device: NOTE! The user is responsible for selecting the place of installation and ensuring the appropriate operating conditions for the equipment. • It is recommended to install the UPS unit in a separate room (due to the fact that the unit emits a uniform sound during operation, and also because such a location provides protection against access by unauthorised persons); • The equipment should not be exposed to extremes of temperature (the optimal temperature is 18 ÷ 25ºC) due to the fact that this may shorten the life of batteries; • The equipment should not be installed in rooms that are: dusty, have a caustic or explosive atmosphere, or are very humid (under 90% without condensation); • If the equipment is to be installed on a roof, the load bearing capacity of the roof should be taken into consideration; • The surface on which the equipment is placed cannot give in under its weight; • Appropriate cooling conditions must be ensured for the UPS to work properly. For this reason, the ventilation openings of the UPS must be uncovered at all times; • It is recommended to leave service access to the equipment (1 m). For the necessary data, see the table of technical parameters. NOTE! It is forbidden to install the device near flammable materials! 2010/01/25 www.ever.eu 10