Quick Operations Instructions for the VFD Controller ACS25
5
ABB Control
Both Buttons Disabled
Stop/Select Direction:
To Change Speed:
•
The display will have an "H", indicating "Hertz". The frequency (or speed) the fan is turning will be
indicated numerically. H - 45.8 for example.
•
The word "STOP" will be shown any time there is power applied to the drive but the fan is not
turned on. STOP indicates the fan is on and ready for use.
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