Frequency Conversion Mode_ Dual Input_ Single Unit - Delta Modulon DPH Series User Manual

3.2.6 Frequency Conversion Mode_ Dual Input_ Single Unit

To activate frequency conversion mode, please refer to 6.2.6 Frequency Conversion
Mode Start-up Procedures, 7.6 Main Screen and 7.10.2 Mode Setting.
After the UPS is manually set in frequency conversion mode, the inverter will automatically
the system will automatically disable the bypass function. Please note that, once the
inverter shuts down, there is no bypass output. For the diagram of frequency conversion
mode, please see Figure 3-20. During frequency conversion mode, the UPS's tri-color LED
illuminates green and the text 'Frequency Conversion' appears in the upper right corner of
the screen.
NOTE:
no bypass output.
BYPA.
MAIN
Batteries
(Figure 3-20: Frequency Conversion Mode Diagram_ Dual Input Single Unit)
During frequency conversion mode, once the inverter shuts down, there is
Q2
Static Switch
Q1
Rectifier Inverter
3-19
3 Operation Modes
LOAD
Q3