Operating Instructions

11.2.2Verify Switching Between Operation Modes Switch from Normal Mode to Battery Mode

Open CB1 to enter battery mode. This breaks the utility connection to the Liebert® NX.

To return to normal mode, close CB1 after a few seconds. The rectifier will restart automatically after 10 seconds and resume feeding power to the inverter.

Switch from Normal Mode to Bypass Mode

• Press the INVERTER OFF button to switch to bypass mode.

NOTE

In bypass mode, the load is being powered by the utility and is not receiving conditioned power through the inverter.

Switch from Bypass Mode to Normal Mode

In bypass mode, press the INVERTER ON button. When the inverter is ready, the UPS will switch to normal mode.

97

Page 107
Image 107
Emerson 40-200KVA user manual Switch from Normal Mode to Bypass Mode, Switch from Bypass Mode to Normal Mode