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

BYPA.
MAIN
Batteries
(Figure 3-18: Manual Bypass Mode Diagram_ Dual Input Single Unit)

3.2.5 ECO Mode_ Dual 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 respectively, the UPS works in
Bypass mode; otherwise, the UPS runs in On-Line mode. For ECO mode diagram, please
see Figure 3-19. During ECO mode, the UPS's tri-color LED illuminates green and the text
'ECO' appears in the upper right corner of the screen.
BYPA.
MAIN
Batteries
Q3
Q2
Rectifier
Q1
Q5
Q3
Q2
Rectifier
Q1
Q5
(Figure 3-19: ECO Mode Diagram_ Dual Input Single Unit)
Static Switch
Inverter
Static Switch
Inverter
3-19
3 Operation Modes
LOAD
Q4
LOAD
Q4