Parallel Operations Determine Control Panel Firmware Version; Parallel Operations Control Panel Firmware Version; Energize A Vertiv™ Liebert® Exm Parallel System Control Panel Firmware Version - Vertiv Liebert EXM User Manual

7.10 Parallel Operations Determine Control Panel Firmware Version

Parallel operation differs depending on the firmware in the control menu. To determine which version is installed on the UPS,
activate the touchscreen menu, touch the Context Menu and touch About.
If the firmware is V1.1, perform the appropriate steps in
Figure 7.3 Context Menu

7.11 Parallel Operations Control Panel Firmware Version 1.1

7.11.1 De-Energize a Vertiv™ Liebert® EXM Parallel System Control Panel Firmware
Version 1.1
To shut down a UPS parallel system using V1.1 controller firmware:
1. Log in as Operator, Administrator, or Service.
2. Verify that the system and the connected load are prepared for shutdown.
3. Touch the Operate tab.
4. Touch the Inverter Off button. A pop-up window states that the system is operating in a multi module system
and asks whether to control one inverter or the entire system.
5. Touch System. The power module run lights will start flashing yellow while the unit goes through the inverter
shutdown sequence. After a few seconds, the inverter will turn off, the static bypass will close and the power
module run lights will be off. All UPS units in the system will go to bypass
6. Check the parallel switchgear.
NOTICE
Risk of loss of power to the connected load. Can cause equipment damage.
The following procedure will remove power from the critical bus. Before beginning these steps, shut down the
connected load or transfer the connected load to an input power supply not dependent on the Liebert® EXM
system that is being deenergized.
a. If the parallel switchgear is a matching Vertiv cabinet, open the MIB.
b. Open all MOB.
7. Open the input breaker for each UPS and the breaker feeding the MBB in the parallel switch gear.
The system is now de-energized, and its output power supply is Off.
7 Operation
Parallel Operations Control Panel Firmware Version 1.1
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Vertiv™ Liebert® EXM UPS User Manual
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