Delta Modulon DPH Series User Manual page 47

BYPA.
MAIN
Batteries
3.2.5 ECO Mode_ Dual Input_ Single Unit
To activate ECO mode, please refer to
and
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 On-Line mode. For ECO mode diagram, please see
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
Static Switch
Q2
Rectifier
Q1
Q5
.
Q3
Static Switch
Q2
Rectifier
Q1
Q5
3-19
Inverter
Q4
Inverter
Q4
3 Operation Modes
LOAD
,
.
LOAD