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3-8. Operating Mode/Status Description
If parallel UPS systems are successfully set up, it will show one more screen with “PAR” in parameter 2 and be
assigned number in parameter 3 as below parallel screen diagram. The master UPS will be default assigned as “001”
and slave UPSs will be assigned as either “002” or “003”. The assigned numbers may be changed dynamically in the
operation;
Operating mode/status
AC mode
Description
When the input voltage is within acceptable range, UPS will provide pure and
stable AC power to output. The UPS will also charge the battery at AC mode.
LCD display
ECO mode
Description
When the input voltage is within voltage regulation range and ECO mode is
enabled, UPS will bypass voltage to output for energy saving.
LCD display
CVCF mode
Description
When input frequency is within 46 to 64Hz, the UPS can be set at a constant
output frequency, 50 Hz or 60 Hz. The UPS will still charge battery under this
mode.
LCD display
