Transfer Procedures Between Operation Modes; Transfer From Normal Mode To Battery Mode; Transfer From Inverter Mode To Bypass Mode - Vertiv Liebert ITA2 User Manual

Vertiv™ Liebert® ITA2 1-3 kVA User Manual
5.3 Transfer Procedures Between Operation Modes
NOTE: The Inverter operation mode includes Normal mode (mains inverter) and Battery module
(battery inverter).
5.3.1 Transfer from Normal Mode to Battery Mode
The Vertiv™ Liebert® ITA2 1-3 kVA UPS will usually run in Normal mode unless the mains are disconnected;
After the mains supply is disconnected, the UPS will automatically enter the battery mode. If it is necessary
to switch the UPS to normal mode and restore the power supply, UPS will transfer to normal mode again.
5.3.2 Transfer from Inverter Mode to Bypass Mode
In standby mode, press and hold the power button. If the rectifier and inverter are normal, the interface
shown in Figure 5.5 below will appear, select 'YES' to turn on the UPS.
NOTE: Pressing and holding the power button will be valid only if the batteries are available.
Figure 5.5 Turning on UPS
In Inverter mode, press and hold the power button. If the bypass is normal, the interface shown in Figure 5.6
on the facing page and Figure 5.7 on the facing page is displayed.
To transfer the UPS in Bypass mode, select "To the Bypass," and then click OK. To switch off the UPS, select
"Turn off UPS," and then click OK.
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5 UPS Operation Instructions