Figure 17 Bypass Input Status; Figure 18 Output Load Status Screen - Liebert 30-130kVA Operation And Maintenance Manual

The DC BUS/BATTERY status screen displays the following real-time data:
• DC Bus Volts
• Battery Volts
• Battery Current (Chg/disch)
• Battery Temperature (This reading is the temperature of the ambient air in the battery cabinet.)
• Battery Time Remaining
3. BYPASS INPUT. Selecting BYPASS from the Monitor Mimic Display displays the following
screen showing bypass input voltage and the bypass input frequency. Press SELECT to return to
the Monitor Mimic Display.

Figure 17 Bypass input status

The Bypass Input Block displays the following real-time data:
• Bypass AC Volts AB, BC, CA
• Bypass Frequency
• Bypass Phase Difference
4. OUTPUT / LOAD. Select LOAD from the Monitor Mimic Display screen to bring up this block. It
displays total output power to the critical load in kVA and kW. The critical load current per phase
is also displayed in this block. Note that kW is not displayed when the load is on the bypass line.
During an overload condition, the time remaining before transfer is displayed at the bottom of the
load box. Press SELECT to return to the Mimic Display Screen.

Figure 18 Output load status screen

BYPASS INPUT STATUS
A B
V L - L 213 213
OUTPUT LOAD STATUS
A B
V L-L 205 203
V L-N 120 117
I 5 5
KVA 1 1
KW 1 1
C FREQ. 59.9 HZ
214 PHASE DIFF 0
C
207 FREQ. 59.9 HZ
118 % OF RATED LOAD:
162 KVA 42 %
19 KW 42 %
OVLD COND (SEC.)
15
25
Operation