Operation

System Ratings

System rating parameters are normally entered by the factory or LGS.

To get to the System Ratings screen, begin at the Main Menu. Using the arrow keys, move to Config- uration and press SELECT. This brings up the Configuration screen. (See Figure 40).

From the Configuration screen, highlight System Ratings and press SELECT.

Figure 41 System ratings, page 1

SYSTEM RATINGS

KVA

40

SYSTEM POWER FACTOR

0.8

INPUT VOLTS

480

OUTPUT VOLTS

208

BYPASS VOLTS

480

NEXT

EXIT

NOTE

The only time the System Ratings can be changed is when the UPS is first powered up. After that, they remain locked.

Pressing NEXT at the System Ratings screen will bring up page 2 of System Ratings below.

Figure 42 System ratings, page 2

SYSTEM RATINGS

DC BUS VOLTS

540

INPUT FREQUENCY

60.0

OUTPUT FREQUENCY

60.0

PREV

EXIT

39

Page 47
Image 47
Liebert 30-130kVA manual DC BUS Volts, Input Frequency, Output Frequency, Prev, System Ratings