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RELIMINARY OPERATIONS AND FIRST START
Visual check of the connection
Closure of the battery fuse holders
WARNING: if an external Battery Box is present and the connection does not comply with the instructions
given in "Connecting the UPS to the Battery Box (optional)" paragraph, the battery fuses and other
protections may result damaged. In that case, please contact the Customer Service department, in order to
prevent further damages to the UPS.
When the fuses are closed, a small arc may occur due to charge of the condensers inside the UPS. This is
normal, and does not cause faults and/or damages.
UPS powering
Closure of the input and output isolators
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UP
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