VFD68 Variable Frequency Drive (575 VAC) Installation Instructions
26
Exit the Parameter Adjustment Mode
23. When done, cycle power or press
MODE
until
PU PU
appears on the display, then press the up arrow until
OP.nd
EXT
appears on the display.
24. Press
MODE
until
0.00 MON EXT
appears on the display.
25. Use the jumper wire to connect terminal SD to terminal STF to run the motor using analog inputs.
Manual Motor Speed Control in PU Mode
Verify that the VFD68 Drive is in PU Manual Override Mode (with no jumper between SD and STF).
1.
If the
PU
icon is not on, press
MODE
until
OP.nd
appears on the display, then press the up arrow until
PU PU
appears on the display.
2.
Press
RUN
or
FWD
to start the VFD68 output to the motor. The RUN icon appears on the display.
3.
Press the up arrow until the motor runs at maximum speed (50 or 60 Hz).
4.
Verify that the motor Full Load Amps (FLA) is acceptable:
•
Use a clamp-on Amp meter or
•
Press
SET
until the
A
icon (for Amperes) illuminates and replaces the
Hz
icon (for frequency.)
5.
Press
STOP/RESET
to stop the output to the motor.
EXT Mode Using Analog Inputs
After the motor FLA and speed have proven to be acceptable, follow the procedure in
The VFD68 Drive is now commissioned, in the external operation mode, and is ready to run the motor using the
analog input.
Troubleshooting
When an improper operating condition occurs in the VFD, the operation panel display changes to one of the status
indications shown in Table 18. If the fault does not correspond to any of the faults in Table 18 (or if you have any
other problem), refer to the
VFD68 Variable Frequency Drive Technical Bulletin
(Part No. 24-7664-3051)
.
Table 17 defines the indication categories. Table 18 provides descriptions of the individual indicator messages.
Table 17: Indication Categories on the Operation Panel Display
Indication
Category
Description
Error message
A message regarding operational or setting errors displays. The VFD continues operating.
Warning
The VFD continues operating. Failure to take appropriate measures will lead to a fault.
Alarm
The VFD continues operating. You can also output an alarm signal by adjusting a
parameter setting.
Fault
When a fault occurs, the VFD output reduces to 0 Hz, the motor stops, and the VFD
outputs a fault signal.