40
Figure 4-7 Energy flowing diagram of discharge
3) After about 60 seconds, the rectifier completes the start, and the inverter begins to start, and
after 30 seconds, the inverter complete the start, and supply the power to the output. The energy
flowing diagram is shown in Figure 4-8.
Figure 4-8 Energy flowing diagram of the start completed from batteries
4) Close the external output power supply isolators to supply the loads, and the system is working
in battery mode.
4.2 UPS Shut down
If need to shut down UPS completely, please first ensure the load is shut down correctly, and then
turn off the external battery breaker, the main input breaker (internal or external), the bypass input
breaker (internal or external, if have) one by one, the display screen will be off completely.
Note: If UPS in maintenance bypass mode, please also turn off the maintenance bypass breaker.
