Eco Mode_ Single Input_ Parallel Units - Delta Modulon DPH Series User Manual

3.1.13 ECO Mode_ Single Input_ Parallel Units

To activate ECO mode, please refer to
and
In ECO mode (parallel), when each parallel UPS's bypass input voltage and frequency
are within the range of rating voltage ±10% and rating frequency ±3Hz respectively, each
parallel UPS works in Bypass mode; otherwise, each parallel UPS runs in On-Line mode.
During ECO mode (parallel), each UPS's tri-color LED illuminates green and each UPS's
LCD shows the text 'ECO' in the upper right corner. Please see
electrical power through the parallel UPSs in ECO mode.
1
MAIN
Batteries
2
MAIN
Batteries
.
Q3
Static Switch
Q2
Rectifier
Q1
Q5
Q3
Static Switch
Q2
Rectifier
Q1
Q5
3-13
Inverter
Q4
Inverter
Q4
3 Operation Modes
,
for the path of
LOAD