Uninterruptible Power Supplies Online UPS 3K User Manual download pdf (Page 33)

UPS724-01-00 PowerWave 1000 (1-3kVA) User Manual - Dated 26 June 2013 3-13

3: Installation and Set-up

3.6.5 Setting up the programmable power outlets

The two programmable power outlets located on the

UPS back panel can be programmed to turn ON or OFF

under certain circumstances. This feature is typically

used to turn off any non-critical loads connected to these

outlets when the UPS is operating on battery power, and

so increase the battery autonomy time. A green LED

illuminates on the UPS control panel to indicate when the

outlets are live.

Each of the two outlets can be set-up individually through

the Programmable Outlook Scheme window

illustrated in Figure 3.10.

This window has two areas; the top, Programmable

Outlet Settings area, allows rules to be applied to

determine when the programmable outlets are turned ON

and OFF. The lower area allows provides a means of

manually controlling the outlets’ ON/OFF status when the

UPS is operating.

Note: There is no other means of applying these settings

other than through the UPS Setting Tool software.

The available programmable outlet settings are:

• Turn Outlet On, After UPS On –

This option sets a delay between the UPS being turned ON and the enabling of the programmable

outlet. The set time can be between 0-3600 seconds, and when set to 0 seconds the outlet is enabled

immediately after the UPS is turned ON.

• Outlet Turn Off, After AC Failure –

This option sets the time that the programmable outlet remains turned ON following a UPS input

mains supply failure. If only non-critical loads are connected to the programmable outlet, this allows

them to be shed following an input supply failure in order to achieve a longer back-up time for the

critical loads that connected to the standard UPS outlets. The set time can be between 0-3600

seconds, and when set to 0 seconds the outlet is disabled immediately following a supply failure.

• Outlet Turn On, After AC Recovery –

This option sets a time delay before the programmable outlet turns ON following the recovery of the

UPS input mains supply from an outage. The set time can be between 0-3600 seconds, and when set

to 0 seconds the outlet is enabled immediately after the input supply is restored.

• Outlet Turn Off, When Battery Low –

When the UPS is operating on battery power, this option is used to set the point at which the

programmable outlet is switched OFF during the battery discharge. Once again this is to prolong the

available battery autonomy time by shedding less critical loads. The level of operation can be set to

20%-80% of remaining charge.

• Outlet Turn Off When UPS Overload –

This option is used to determine if the programmable outlet is turned OFF during overload conditions.

Key Point: If you set the programmable outlet to turn OFF after an input supply failure, the

outlet will not turn back on again when the supply is restored unless you tick the ‘Outlet

Turn On, After Recovery’ check box.

Figure 3.10 Programmable outlets settings

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Uninterruptible Power Supplies Online UPS 3K User Manual Page 33

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