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
select 50Hz or 60Hz as the fixed output frequency. After the output frequency is determined,
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 3-23. 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.
no bypass output.
BYPA.
MAIN
Batteries
(Figure 3-23: Frequency Conversion Mode Diagram_ Dual Input Single Unit)
During frequency conversion mode, once the inverter shuts down, there is
Delta or non-Delta External Maintenance Bypass Cabinet
Q3
UPS
Q2 Q0
Q1
Q5
Static Switch
Rectifier Inverter
3-23
3 Operation Modes
LOAD
Q4