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4.2.5.4 Pre-Alarm Screen
The Pre-Alarm Screen Setup and Setting options are shown in Figure 4.17 and
Table 4.10
. The Pre-Alarm Setting can be accessed in any
operation mode.
Figure 4.17 Setup-Pre-Alarm Screen
Table 4.10: Setup Pre-Alarm Setting List
Setting Item
Sub Item
Explanation
Line Voltage Range
--
Set line voltage range:
Upper limit
• +5%
• +10%
• +15%
• +20% (Default)
Lower limit
• -5%
• -10%
• -15%
• -20% (Default)
Line Frequency
Range
--
Set line frequency range:
Upper / Lower limit
• +/- 1 Hz
• +/- 2 Hz
• +/- 3 Hz
• +/- 4 Hz (Default)
Load
--
Set UPS overload percentage (40~100%)
• 100% (Default)
Set UPS load unbalance percentage (20~100%)
• 100% (Default)
4. Control Panel and LCD Operations