AEC IST5015 - Start from Battery; Procedure for Switching between Operation Modes

IST5 Tower UPS 10kVA~40kVA User Manual 35
Operations
Note
When the system starts, the stored setting will be loaded.
Users can browse all incidents during the process of the starting up by checking the menu Log.
5.1.2 Start from Battery
The start for battery model is referring to battery cold start. The steps for the start-up
are as follows：
 Confirm the battery is correctly connected; close the external battery
circuit breakers.
 Press the red button for the battery cold start（See Fig.5-1）.The system
is than powered by the battery.
Fig.5-1 The position of the battery cold start button
 After that, the system is starting up following steps 3 in section 5.1.1 and
the system transfers to battery mode in 30S.
 Close the external output power supply isolation to supply the load, and
the system is working on battery model.
5.2 Procedure for Switching between Operation Modes
5.2.1 Switching the UPS into Battery Mode from Normal Mode
The UPS transfers to Battery model immediately after input circuit breaker disconnects
from the utility.
5.2.2 Switching the UPS into Bypass Mode from Normal Mode
Follow the path by selecting the icon of and then select
Manual Byp
to transfer
the system to Bypass Mode.
Warning
Ensure the bypass is working normally before transferring to bypass mode. Or it may cause
failure.