ENGLISH
User’s manual
6
UPS EVO DSP MM RM
The Bypass mode is identified by:
•
Bypass
led is ON.
•
The graphic LCD panel shows the path of energy flow
during Bypass mode.
•
An acoustic signal every 2 minutes.
During Bypass mode, loads are fed directly from AC Input line. Therefore no protection
against AC Input line disturbances or interruptions is present.
4.4
ECO Mode
It is possible to select the ECO mode to save energy and to increase the efficiency of the UPS.
The ECO mode uses the Bypass to feed the loads. The UPS will operate as in Bypass mode whenever the
Frequency/waveform/RMS value of AC Input line mains Voltage is within their tolerance limits. If the AC Input line
Voltage goes beyond these limits, the UPS switches into normal operation.
Please contact Technical Service for the instruction to enable the ECO mode; by default ECO mode is disable.
ECO mode does not provide perfect stability in Frequency/waveform/RMS value of the
Output Voltage like in Normal mode. Thus, the use of this mode should be carefully
executed according to the level of protection required by the application.
The ECO mode is identified by:
•
Bypass
and
Line
leds are ON.
•
The graphic LCD panel shows the path of energy flow
during ECO mode (the “ECO” icon is ON).
4.5
CONVERTER FREQUENCY Mode
It is possible to select the Converter Frequency mode to work with the Output Frequency different from the Input
Frequency. For example it is possible to work with 60 Hz Input Frequency and 50 Hz Output Frequency or 50Hz
Input Frequency and 60 Hz Output Frequency.
Please contact Technical Service for the instruction to enable the Converter Frequency mode; by default
Converter Frequency mode is disable, and the Output Frequency will synchronize automatically with the Input
Frequency.
The Converter Frequency mode is identified by:
•
Line
led is on.
•
The graphic LCD panel shows the path of energy flow
during Bypass mode.
•
The “CF” characters are ON.
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