VFD68 Variable Frequency Drives (575 VAC)
27
18. Press and hold for two seconds to set the P. 90 xa value and show the actual input % for P. 90 x b.
19. Press once to view the default setting (38% for P.902b). Press or to change the value.
20. Press and hold for two seconds to set the new value.
21. Press again to advance to the next parameter.
22. Press or to display the next P.90x parameter that needs to be changed. Repeat Steps 17-21.
Exit the Parameter Adjustment Mode
23. When done, cycle power or press until PU PU appears on the display, then press until OP.nd EXT
appears on the display.
24. Press 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 until OP.nd appears on the display, then press until PU PU appears
on the display.
2. Press or
to start the VFD68 output to the motor. The RUN icon appears on the display.
3. Press 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 until the A icon (for Amperes) illuminates and replaces the Hz icon (for frequency.)
5. Press 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 Restarting the Motor
After It Has Stopped on page 31.
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).
STOP
RESET