VFD68 Variable Frequency Drives (575 VAC)
27
18. Press and hold
for two seconds to set the
P.90x
a value and show the actual input % for
P.90x
b.
19. Press
once to view the default setting (38% for
P.902
b). 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
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)
.
SET
SET
SET
MODE
MODE
MODE
RUN
FWD
SET
STOP
RESET
STOP
RESET