Chapter 4 Operations
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RT33020/25/30KE User Manual
Ensure the bypass is working normally before transferring to bypass mode. Or it may cause
failure.
4.2.3 Switching the UPS into Normal Mode from Bypass Mode
Follow the path by selecting the icon of “Operate ”and then select
, the system
transfer to Normal Mode
Note
Normally, the system will transfer to the Normal mode automatically. This function is used
when the frequency of the bypass is over track and when the system needs to transfer to
Normal mode by manual.
4.2.4 Switching the UPS into Normal Mode from Maintenance Bypass Mode
Finish of maintenance, s
elect the icon of “Operate” and select
to turn on the
inverter. After 60S, the system transfers to Normal Mode.
4.3 Battery Maintenance
If the battery is not discharged for a long time, it is necessary to test the condition of the
battery.
Enter the menu
“Operate”
，
as is shown in Fig.4-8 and select the icon
“Battery maintenance”
，
the system transfers into the Battery mode for discharging. The system will discharge the
batteries until the alarm of “Battery low voltage” is given Users can stop the discharging by the
“Stop Test” icon.
With the icon of
“Battery test”, batteries will be discharged for about 30 seconds, and then
re-transfer to normal mode.
Fig.4-8
Operate page
4.4 Installation of Parallel Operation System
4.4.1 Parallel system diagram
Up to four UPS could be paralleled
，
with a diagram as shown in Fig.4-9.
