Setting the battery low alarm level – HP Parallel Uninterruptible Power System User Manual
Page 70
UPS operations 70
Description
Available settings
Default setting
Delay
Site Wiring Fault Notice
[Enabled][Disabled]
Enabled
Reset Custom Event Settings
0 through 32
Total: 0/32
REPO Configuration
[Enabled][Disabled]
Enabled
Setting the Battery Low alarm level
The default Battery Low alarm level setting provides approximately 2.5 minutes of battery warning for a UPS.
Additional ERMs installed in a parallel system can provide a longer warning time.
To set the Battery Low Alarm Level:
1.
Press any button to activate the menu options.
2.
Select SETTINGS > USER SETTINGS > BATTERY SETUP > Automatic Battery Tests.
3.
Use the up or down arrow buttons to select the volts per cell. For a list of settings, see the table below.
4.
Press the left arrow button to save the setting.
5.
Press and hold the ESC button until the Start screen appears.
Warning time
(in minutes)
Number of ERMs
installed
Battery Low Alarm Level (user setting)
20% Load
50% Load
100% Load
2
1
1.783
1.821
1.854
2
2
1.776
1.811
1.831
2
3
1.772
1.798
1.818
2
4
1.768
1.781
1.805
3
1
1.805
1.848
1.981
3
2
1.793
1.833
1.859
3
3
1.787
1.820
1.843
3
4
1.781
1.803
1.831
4
1
1.822
1.868
1.918
4
2
1.807
1.850
1.883
4
3
1.789
1.836
1.866
4
4
1.793
1.818
1.850
5
1
1.835
1.884
1.941
5
2
1.818
1.863
1.903
5
3
1.799
1.849
1.883
5
4
1.803
1.823
1.865
Values are approximate.