Eco Mode_ Dual Input_ Single Unit - Delta Modulon DPH Series User Manual

3.2.5 ECO Mode_ Dual Input_ Single Unit

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, 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 online mode. For ECO mode diagram, please see Figure 3-19.
During ECO mode, the UPS's tri-color LED illuminates green and the text 'ECO' appears in
the upper right corner of the screen.
BYPA.
MAIN
Batteries
Modulon DPH Series
WARNING:
1. In manual bypass mode, make sure that all of the breakers and switches (except
the Manual Bypass Breaker (Q2)) are in the OFF position before working on
the UPS's internal circuits. This avoids electric shock.
inside the UPS except the wiring terminals and the Manual Bypass Breaker
(Q2). Do not touch the wiring terminals and the Manual Bypass Breaker (Q2)
during UPS maintenance process to avoid electric shock.
the connected critical loads are not protected.
Q2
Q1
(Figure 3-19: ECO Mode Diagram_ Dual Input Single Unit)
Static Switch
Rectifier Inverter
3-18
LOAD
Q3