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

3.1.5 ECO Mode_ Single Input_ Single Unit

To activate ECO mode, please refer to 6.2.5 ECO Mode Start-up Procedures, 7.6 Main
Screen and 7.10.2 Mode Setting.
In ECO mode, when the bypass AC source's input voltage and frequency are within the
range of rating voltage ±10% and rating frequency ±3Hz, the UPS works in bypass mode;
otherwise, the UPS runs in online mode. For ECO mode diagram, please see Figure 3-5.
During ECO mode, the UPS's tri-color LED illuminates green and the text 'ECO' appears in
the upper right corner of the screen.
MAIN
Batteries

3.1.6 Frequency Conversion Mode_ Single 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 3-6. 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.
MAIN
Batteries
(Figure 3-6: Frequency Conversion Mode Diagram_ Single Input Single Unit)
Q2
Rectifier
Q1
(Figure 3-5: ECO Mode Diagram_ Single Input Single Unit)
Q2
Rectifier
Q1
Static Switch
Inverter
Static Switch
Inverter
3-5
3 Operation Modes
LOAD
Q3
LOAD
Q3