Three-Phase UPS (10kVA-160kVA) Series
User Manual
5 Operation Guide
83
Press "OFF" combination button to turn off inverter and the
green indicator is off. The bypass
power instead of the inverter supplies power for load by static switch automatically.
Step 2
Switch off external battery cabinet switch
If all power of UPS should be closed, please switch off external battery cabinet switch.
Step 3
Switch off mains switch.
After switching off mains switch, the rectifier will not supply DC power for DC BUS from AC mains.
The DC BUS will discharge slowly. 10 minutes later, it will discharge completely.
Step 4
Switch off bypass switch.
Before switching off bypass switch, it must ensure the output load aren't work. Otherwise the output
will have no electricity, which will lead to the user device power down.
Step 5
When the touch screen and LED are off, switch off output switch (output), UPS will power down
completely.
----End
5.3 Manual Maintenance Opeartion
When the UPS needs to be maintained and at the same time, the load cannot power off, do the
following opeartion.
The maintenance bypass switch of Three-Phase (40kVA-80kVA) series UPS with two inputs is in the
switch cover. When maintenance, it should dismantle the switch cover.
The following operations should be performed by professionals. Manufacturer will not take charge of
damage which is caused by unauthorized or untrained people.