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4.2 Operation mode
The operation mode of UPS can be divided into Line mode, Battery mode and Bypass mode.
4.2.1 Line mode
In line mode, the operation of LCD display as below, "INPUT" display the voltage and frequency, top screen
Display "LINE", "OUTPUT" display the voltage and frequency.
1. If the LCD Screen backlight for purple, means the city electric zero line of fire or not grounded, UPS still
Work in line mode
Figure 4.2-1 Line Mode
If the load is over 100%, the buzzer will beeps half a second, it reminds that the UPS take too much load,
please reduce some unnecessary load, and make sure that the load below 100%.
2. If the battery indicator light twinkles, means the battery voltage is too low, or the UPS disconnect with
Battery, at this time, please check the battery
´
connecting, and press the "ENTER" key to self diagnosis,
Confirmed that the connection is good or not, it may be because of battery failure or aging, please refer to
the Fault treatment table.
Note: Connection to the power generator should be made according to the following steps:
Activate the power generator. Wait until the operation is stable and connect generator output
to the UPS input (please make sure UPS do not have load), and then according to start-up
program, connected the loads to UPS one by one.
It recommended that the capacity of the AC generator chosen should double that of the UPS
4.2.2 Battery mode
In battery mode, the operation of LCD display as below, the "output" display the voltage and frequency, the
Top screen display "BATT"; if the battery voltage is abnormal, the “BATT” will twinkle. The battery
´
icon on the
left side display will light up according to battery capacity, please pay attention that the load in line mode is
displayed as the battery capacity level indicator in the backup time.
1. In battery mode, The buzzer beeps once every 4 seconds, at this time press the "enter" key over 2 seconds,
UPS will performs the function of silencing, buzzer no longer alarm, and then press the "enter" key over 2
seconds, the alarm recovery.