Delta Modulon DPH Series User Manual page 44

3.2 Dual Input
3.2.1 On-Line Mode_ Dual Input_ Single Unit
In On-Line mode, the main AC source supplies AC power via the Input Breaker (Q1) to the
to the inverter. In the meantime, the rectifier provides charging power to the batteries.
After receiving the DC power, the inverter converts it into clean and stable AC power to the
connected critical loads via the Output Breaker (Q4). Please see
Line mode diagram. During On-Line mode, the UPS's tri-color LED illuminates green and
the text 'On-Line' appears in the upper right corner of the screen.
BYPA.
MAIN
Batteries
Modulon DPH Series
Q3
Static Switch
Q2
Rectifier
Q1
Q5
3-16
Inverter
Q4
for the On-
LOAD