Chapter 4 Operations
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RT33020/25/30KE User Manual
follows
：
1.
Confirm the battery is correctly connected; close the external battery circuit breakers.
2.
Press the red button for the battery cold start(See Fig.4-6).The system is then powered by
the battery.
Fig.4-6 the position of the battery cold start button
3.
After that, the system is starting up following steps 3 in section 4.1.1 and the system
transfers to battery mode in 30S.
Fig.4-7 Start from Battery
4.
Close the output isolation switch or external output isolation switch to supply the load, and
the system is working on battery model.
Note: You can use the battery cold start button after the battery is switched on for 1 minute.
4.2 Procedure for Switching between Operation Modes
4.2.1 Switching the UPS into Battery Mode from Normal Mode
The UPS transfers to Battery model immediately after input circuit breaker disconnects
from the utility.
4.2.2 Switching the UPS into Bypass Mode from Normal Mode
Follow the path by selecting the icon of “Operate” and then select
to transfer
the system to Bypass Mode.
Warning
