Delta Modulon DPH series, User Manual

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3 - 6
Modulon DPH Series
3.1.5 ECO Mode_ Single 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 bypass AC source’s input voltage and frequency are within the setup
range (default: voltage ±10% and frequency ±3Hz), the UPS works in Bypass mode;
otherwise, the UPS runs in On-Line mode. For ECO mode diagram, please see
Figure 3-5 .
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
Q1
Q2
Q4
Q3
Batteries
Rectifier Inverter
Static Switch
Q5
(Figure 3-5: ECO Mode Diagram_ Single Input Single Unit)
3.1.6 Frequency Conversion Mode_ Single Input_ Single Unit
NOTE:
1. Frequency Conversion mode is only applicable to single UPS but not to parallel
UPSs.
2. When the UPS runs in Frequency Conversion mode, once the inverter becomes
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To activate Frequency Conversion mode, please refer to 6.2.6 Frequency Conversion
Mode Start-up Procedures , 7.6 Main Screen and 7.10.2 Mode Setting .
After the UPS is manually set in Frequency Conversion mode, the inverter will automatically
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the system will automatically disable the bypass function. Please note that, once the
inverter shuts down, there is no bypass output. For the diagram of Frequency Conversion
mode, please see
Figure 3-6 . During Frequency Conversion mode, the UPS’s tri-color LED
illuminates green and the text ' Frequency Conversion ' appears in the upper right corner of
the screen.