Chapter 5 UPS Operation Introduction 81
Liebert EXM 80kVA ~ 200kVA UPS User Manual
2. Battery in fully charged state, battery float charge at least 5h, and generator not connected
3. Current system is in float charge state
Self-test exit conditions
1. Confirm that the system is not in self-test state at least 10 seconds, and satisfies the following
conditions: in battery mode or rectifier is closed, and then the system will shift to battery supply state.
2. During the self-test, the system will shift to float charge state if the load fluctuation, UPS module
overload or no battery occurs.
3. During the self-test, if the battery voltage is lower than the calculated pre-alarm voltage, or the battery
discharge exceeds the protection time, then the system will shift to float charge state.
4. The user can manually stop the maintenance test via the TOUCHSCREEN.
Note: After the self-test is successful, the system will fully clear the self-test interval counter. If the
self-test fails this time, then exits the system; when self-test conditions are satisfied again, enters self-test
once more.
Procedures for battery self-test
1. Enter the level of OPERATE.
2. Click the icon
.
3. Click the menu icon
on the upper left corner.
4. Click the 'Battery Operations' to display the interface shown in Figure 5-10.
5. Respectively click 'Automatic Battery Test', 'Manual Battery Test', 'Calibrated Battery Test' and 'Battery
Equalize', then you can execute corresponding settings and operation.
Figure 5-10 Battery management interface
5.5
UPS Shutdown Procedures
5.5.1
Procedures For Completely Powering Down UPS
Complete UPS shutdown and load power-off should follow this procedure. All power switches, isolating
switches and breakers are disconnected, and then UPS no longer supplies power to load.
Summary of Contents for EXM 0080kTK16FN01000
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