Liebert UPS System - Page 57

Chapter 5 Operation of Display Panel
51
AC Output - displays three phase line-neutral voltage, line current, frequency,
power factor and line-line voltage, as shown in Figure 5-11
2001-11-08
UL33-0400L
12:30:20
Inv. On Units: ID 1
Vphase
Iphase A
Freq.Hz
A(B)
B(C)
C(A)
221
11.8
12.3
12.5
50.2
50.1
50.1
0.99
0.99
0.99
Input Breaker Close
11£ -08 12:09
Output Breaker Open
UPS in Normal Mode
Batt. Boost Charging
11£ -08 12:09
11£ -08 12:09
11£ -08 12:09
11£ -08 12:09
Mains
Bypass
Output
Local
System
Battery
P.F.
Vline V
220 221
381 380 382
Byp. Breaker Close
Fig. 5-11 AC output display LCD
Parallel load - Displays the power and capacity of parallel load as shown in Figure
5-12
2001-11-08
UL33-0400L
12:30:20
Inv. On Units: ID 1
kWout
kVAout
A(B)
B(C)
C(A)
21.2
22.3
21.7
22.2
Input Breaker Close
11£ -08 12:09
Output Breaker Open
UPS in Normal Mode
Batt. Boost Charging
11£ -08 12:09
11£ -08 12:09
11£ -08 12:09
11£ -08 12:09
Mains
Bypass
Output
Local
System
Battery
20.3 20.8
Byp. Breaker Close
Fig. 5-12 Parallel Load Display LCD
Battery Data - Displays battery information under different conditions, such as
Battery not connected, equalization charge, float charge, discharge and pre-alarm
upon discharge.
2001-11-08
UL33-0400L
12:30:20
Inv. On Units: ID 1
Battery Disconnected
Input Breaker Close
11£ -08 12:09
Output Breaker Open
UPS in Normal Mode
Batt. Disconnnected
11£ -08 12:09
11£ -08 12:09
11£ -08 12:09
11£ -08 12:09
Mains
Bypass
Output
Local
System
Battery
Byp. Breaker Close
Fig. 5-13 Displaying contents when the battery are not connected