UPS 30-300kVA User Manual
Operations
59
Battery Cold start
Figure 4-1 The position of the battery cold start button
3)
After that, the system is starting up following steps 3 in section 5.1.1 and the system transfers
to battery mode in 30S.
4)
Turn on the external output power supply isolation to supply the load, and the system is
working on battery model.
Note
The battery cold start function is optional in 60kVA-200kVA, standard in 400kVA and 500kVA.
4.2 Procedure for Switching between Operation Modes
4.2.1
Switchingthe UPS into Battery Mode from Normal Mode
The UPS transfers to Battery model immediately after the utility (mains voltage) is failed or drops
down below the predefined limit.
4.2.2
Switching the UPS from Normal Mode into BypassMode
1)
Enter the menu Operate, touch the icon “transfer to bypass”
and the system
transfers to bypass mode ;
2)
Press and hold the BYP key on the operator control panel for longer than two seconds and the
system transfers to bypass mode. This needs to enable the switch behind the front door. See
Figure4-2.
