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4. Operation
02: Output Frequency
Interface Setting
60 Hz, CVCF Mode
50 Hz, Normal Mode
ATO
Parameter 2: Output Frequency
Setting the output frequency. You may choose three options in Parameter 2:
50.0 Hz: The output frequency setting is 50.0 Hz.
60.0 Hz: The output frequency setting is 60.0 Hz.
ATO: If selected, output frequency will be decided according to the latest normal utility frequency.
If it is from 46 Hz to 54 Hz, the output frequency will be 50.0 Hz. If it is from 56 Hz to 64 Hz, the
output frequency will be 60.0 Hz. ATO is the default setting.
Parameter 3: Frequency Mode
Setting output frequency at CVCF Mode or not CVCF Mode. You may choose following two options
in Parameter 3:
CF: Setting UPS to CVCF Mode. If selected, the output frequency will be fixed at 50 Hz or 60 Hz
according to the setting in Parameter 2. The input frequency could be from 46 Hz to 64 Hz.
NCF:
Setting UPS to Normal Mode (not CVCF Mode). If selected, the output frequency will
synchronise with the input frequency within 46~54 Hz at 50 Hz or within 56~64 Hz at 60 Hz
according to setting the in parameter 2. If 50 Hz is selected in Parameter 2, the UPS will transfer to
Battery Mode when the input frequency is not within 46~54 Hz. If 60 Hz is selected in Parameter
2, the UPS will transfer to Battery Mode when the input frequency is not within 56~64 Hz.
*If Parameter 2 is ATO, Parameter 3 will show the current frequency.
03: Voltage Range for Bypass
Interface Setting
Parameter 2: Set the acceptable low voltage for bypass. For 220/230/240V AC models, setting
range is from 176V to 209V and the default value is 176V.
Parameter 3: Set the acceptable high voltage for bypass. For 220/230/240V AC models, setting
range is from 231V to 276V and the default value is 264V.
04: Frequency Range for Bypass
Interface Setting
Parameter 2: Set the acceptable low frequency for bypass.
50 Hz system: Setting range is from 46.0 Hz to 49.0 Hz.
60 Hz system: Setting range is from 56.0 Hz to 59.0 Hz.
The default value is 46.0 Hz/56.0 Hz.
Parameter 3: Set the acceptable high frequency for bypass.
50 Hz: Setting range is from 51.0 Hz to 54.0 Hz.
60 Hz: Setting range is from 61.0 Hz to 64.0 Hz.
The default value is 54.0 Hz/64.0 Hz.
05: ECO Mode Enable/Disable
Interface Setting
Parameter 3: Enable or disable the ECO function. You may choose the following two options:
DIS: Disable ECO function (Default).
ENA: Enable ECO function.
If the ECO function is disabled, the voltage range and frequency range for ECO Mode still can be
set, but is void unless the ECO function is enabled.
*If the system is running in parallel, be sure to set “DIS” only.
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