Green Mode_ Single Input_ Parallel Units - Delta Modulon DPH series User Manual

3.1.14 Green Mode_ Single Input_ Parallel Units

To activate Green mode, please refer to 6.2.7 Green Mode Start-up Procedures, 7.6 Main
Screen and 7.10.2 Mode Setting.
that each parallel UPS's system will automatically detect its own output status (i.e. total load
color LED illuminates green and each UPS's LCD shows the text 'Green' in the upper right
corner. Please see Figure 3-14 for the path of electrical power through the parallel UPSs in
Green mode.
1
MAIN
Batteries
2
MAIN
Batteries
(Figure 3-14: Green Mode Diagram_ Single Input Parallel Units)
Q3
Static Switch
Q2
Rectifier
Q1
Q5
Q3
Static Switch
Q2
Rectifier
Q1
Q5
3-15
Inverter
Q4
Inverter
Q4
3 Operation Modes
LOAD