NFODrivesAB20213201016‐2QuickInstallationGuide
3 Initial setup and tuning
3.1 Select application
First time powered up after installation, or after performing a factory reset of parameters, the installer will be
prompted to select application type for the inverter.
The purpose of selecting application is to preset acceleration and deceleration ramps to a value suitable for
the application in question.
Please note that the preset values are a merely suggested general values. Depending on other operating
conditions, the installer may have to further adjust the accel/decel ramps.
Application Description
Pump Set acceleration and deceleration ramps suitable for general pump applications
Ventilation / other Set acceleration and deceleration ramps suitable for ventilation fan applications
OEM vacuum pump To be used only with OEM vacuum pump application
3.2 Enter motor data and perform tuning
First time powered up after installation, or after performing a factory reset of parameters, the installer must
enter the motor name plate data. The motor data is entered in the parameter group Motor and consists of
P-nom, U-nom, f-nom, N-nom, I-nom and cos . The data can be read from the motor name plate.
After motor data is entered, the installer must perform a motor tuning during which the inverter measures
and calculates the electrical properties of the motor. The tuning command is located in parameter group
Motor, adjacent to the motor data values. Select ‘Full’ tuning for most thorough measurement.
Until a correct tuning is performed, the inverter will toggle the status message ‘Not Tuned’ on the display.
Please refer to the Operating and Installation Manual for a complete description of the tuning commands.
3.3 Check rotation direction
After selecting application, entering motor data and performed tuning, it may be necessary to check/verify
correct rotation direction of the rotor.
This can be done by starting the motor at a low speed in manual mode.
Manual mode is selected when lower right corner of display reads ‘Manual’.
Pressing the ‘MAN / AUTO’ button toggles between manual and auto mode.
Pressing ‘START’ button in manual mode starts the motor.
Direction of rotation can be changed by changing the parameter ‘Phase order’ in parameter group ‘Run’.
The motor must be stopped when changing this parameter.
Default setpoint frequency in manual mode is 10.0 Hz. If necessary, increment or decrement setpoint using
the arrow up/down buttons.
When ready, press ‘STOP’ and then press the ‘MAN / AUTO’ button to select ‘Auto’mode. The inverter is
now ready to start operating according to the connected control signals.
