Dell UPS 3750R Manual de usuario descargar pdf (Pagina 29)

Operation

Retrieving the Event Log

To retrieve the Event Log through the display:

1 Press the button for one second to go to the main menu selection and scroll down to the

Event Log menu using the button.

2 Press the button to enter the Event Log list.

3 Scroll through the listed events, notices, and alarms using either the button or the button.

4 To return to the main menu, press the button for one second. The Event Log displays.

5 Press the button. The UPS status screen displays.

Behavior on Overload

See Table 7 for an explanation of how the UPS responds to an overload condition.

Table 7. Behavior on Overload

Overload

Severity

Load Level On Utility Power

On Bypass/High

Efficiency Mode

On Battery

Level 1 Load 100% to

101%

Overload alarm only and

support load indefinitely

Overload alarm only

and support load

indefinitely

Overload alarm only,

support load until low

battery shutdown level

is reached

Level 2 Load 102% to

110%

Transfer to Bypass after

12 seconds (±1 sec)

If Bypass is not available,

transfer to Fault mode after

12 seconds (±1 sec)

Transfer to Fault mode

in 2 minutes (±1 sec)

Transfer to Fault mode

after 12 seconds

(±1 sec) or until low

battery shutdown level

is reached

Level 3 Load > 110% Transfer to Bypass immediately

If Bypass is not available,

transfer to Fault mode in

300 ms to 1 sec

Transfer to Fault mode

in 300 ms to 1 sec

Transfer to Fault mode

in 300 ms to 1 sec

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 51 52

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Dell UPS 3750R Manual de usuario Pagina 29

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