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4 manual battery self-test – Liebert UPS System User Manual

Page 64

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Chapter 5 Operation of Display Panel

58

2001-11-08

UL33-0400L

12:50:30

Inv. On

Units 2/4

ID: 1

Input Breaker Closed

11£ -08 12:09

UPS in Battery Mode

Battery low

11£ -08 12:09

11£ -08 12:28
11£ -08 12:28
11£ -08 12:50

Records

Out

System

Local

Settings

Byp. Breaker Closed

Mains Volt. Abnormal

Battery

Chinese

Chinese

English

Com. Adress Set

1

1

Date & Time Set

2001£ -11£ -09 12:50:20

Language

c

ok

Fig. 5-29 Setup the date 6

After modification, pressing F1(ESC) to exit and the F1 key will become the
switching key. Pressing F1(switch) to switch the present alarm Window. Pressing
F3 may enter the function setting of next interface.

2001-11-08

UL33-0400L

12:50:30

Inv. On

Units 2/4

ID: 1

Input Breaker Closed

11£ -08 12:09

UPS in Battery Mode

Battery low

11£ -08 12:09

11£ -08 12:28
11£ -08 12:28
11£ -08 12:50

Records

Out

System

Local

Settings

Byp. Breaker Closed

Mains Volt. Abnormal

Battery

Chinese

Chinese

English

Com. Adress Set

1

1

Date & Time Set

2001£ -11£ -09 12:50:20

Language

m

Fig. 5-30 Setup the date 7

5.3.4 Manual battery self-test

Setting of “manual battery self-test” is shown in Fig. 5-31. The Alarm Subwindow
will record the setting.

Pressing F4 to let “manual battery self-test” to be settable, then pressing F2(left)
and F3(right) to move the cursor to “Start Self-test”. If you do not want to start the
“manual battery self-test”, pressing F1(ESC) to escape. If pressing F4 to confirm
the setting(“Start Self-test”), the Current Events and Alarm Window will record the
event of “battery in self test”, after the testing is over, the Window will display
“Switching to Equalization Charging”. The whole testing process needs no manual
intervening. The testing time is dependent on the load capacity.

For example, If the load of 40 kVA UPS is 9kW, the test time is 35 minutes. If the
self-test conditions can’t be satisfied, “Battery Self-test is disabled” will be recorded.