UPS operations

Modes of operation

The UPS has four modes of operation:

•Standby mode (on page 27)

•Operate mode (on page 27)

•Configure mode (on page 28)

•Auto-Bypass mode (on page 28)

Standby mode

In Standby mode:

•No power is available at the UPS output receptacles.

•The UPS charges the batteries as necessary.

The UPS can be placed in Standby mode when the UPS is in Operate mode (on page 27).

To place the UPS in Standby mode, press and hold the Standby button until the audible alarm sounds and the Utility LED flashes. Power to the load ceases.

IMPORTANT: While in Standby mode, the UPS maintains the charge on the batteries, but no power is available at the output receptacles. The UPS remains in Standby mode until an alternate mode is selected or until utility power is removed.

For the location of buttons, see "UPS front panel controls (on page 7)."

For the location of LEDs, see "UPS front panel LED indicators (on page 8)."

Operate mode

In Operate mode:

•Power is available at the UPS receptacles.

•The UPS charges the batteries as necessary.

The UPS can be placed in Operate mode if either of the following conditions apply:

•The UPS is powered up and in Standby mode (on page 27).

•The UPS is powered down and no utility power is available.

To place the UPS in Operate mode, press the On button. The Utility LED turns solid green, indicating that power is available at the UPS output receptacles. The UPS acknowledges compliance with a short beep.

UPS operations 27