DELL K811N Manuale Utente

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Installation

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If you installed an optional REPO, test the REPO function:

Activate the external REPO switch. Verify the status change on the UPS display.

Deactivate the external REPO switch and restart the UPS.

 Dell recommends setting the date and time.

 At initial startup, the UPS sets system frequency according to input line frequency (input frequency

auto-sensing is enabled by default). After initial startup, auto-sensing is disabled until manually re-enabled by
output frequency setting.

 At initial startup, input voltage auto-sensing is enabled by default. After the subsequent startup,

auto-sensing is disabled until manually re-enabled by output voltage setting.

 The internal batteries charge to 90% capacity in less than 4 hours. However, Dell recommends that the

batteries charge for 48 hours after installation or long-term storage. If an optional EBM is installed, see the
recharge time listed in Table 15 on page 68.