6. Operation Principles
6.2.4 Frequency Conversion Mode
When the UPS is manually set in converter mode, the output frequency can be set as 50 Hz or 60 Hz. After the output frequency is set up,
the system will automatically disable the bypass function. Once the inverter shuts down, there is no bypass output. During converter mode,
the NORMAL LED indicator (NORMAL) illuminates (green).
LOAD
Rectifier
Inverter
MAINS
Batteries
Frequency Conversion Mode Diagram
48