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Modulon DPH Series
3.1.13 ECO Mode_ Single Input_ Parallel Units
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 (parallel), when each parallel UPS’s bypass input voltage and frequency
are within the setup range (default: voltage ±10% and frequency ±3Hz), 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
Figure 3-13
for the path of electrical power
through the parallel UPSs in ECO mode.
MAIN
LOAD
MAIN
1
2
Q1
Q2
Q4
Q3
Q5
Batteries
Rectifier
Inverter
Static Switch
Q1
Q2
Q4
Q3
Q5
Batteries
Rectifier
Inverter
Static Switch
(Figure 3-13: ECO Mode Diagram_ Single Input Parallel Units)
Summary of Contents for Modulon DPH series
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