20 Chapter 3 Operation
E1-20010329-C-1.0
Figure 3-2
Note
Under this mode, if the bypass power fails or bypass voltage exceed the bypass
voltage windows. , the UPS will not provide power to the load.
3.1.3 Battery Mode
When the UPS is in Normal mode, in the event of Utility failure or Utility voltage outside
tolerances, the rectifier and charger will turn off , the battery begins to discharge and
supply the load through inverter. When the UPS operates in Battery mode, the battery
indicator and inverter indicator on the LCD panel turns green, as shown in Fig. 3-3,
accompanied with a beep every 3 seconds, giving alarm that the UPS is operating in
Battery mode.
Figure 3-3
In Battery mode, when the battery voltage is low the preset level , there will be a beep
every 1 second, and the LCD screen displays "BATTERY LOW SHUTDOWN
IMMINENT " .
Note:
215.0V
OUTPUT VOLT
220.0V
OUTPUT VOLT