Delta DPH-300K, User Manual

Page: 47 / 240

3 - 1 9
3 Operation Modes
MAIN LOAD
BYPA.
Q1
Q2
Q4
Q3
Batteries
Rectifier Inverter
Static Switch
Q5
)LJXUH0DQXDO%\SDVV0RGH'LDJUDPB'XDO,QSXW6LQJOH8QLW
3.2.5 ECO Mode_ Dual Input_ Single Unit
To activate ECO mode, please refer to
(&20RGH6WDUWXS3URFHGXUHV
,
0DLQ
6FUHHQ
and
0RGH6HWWLQJ
.
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
)LJXUH
.
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 LOAD
BYPA.
Q1
Q2
Q4
Q3
Batteries
Rectifier Inverter
Static Switch
Q5
)LJXUH(&20RGH'LDJUDPB'XDO,QSXW6LQJOH8QLW