VFD68 Variable Frequency Drive (575 VAC) Installation Instructions
25
Adjusting the Default Parameters
Enter the Parameter Adjustment Mode
1.
Remove the jumper that connects terminal SD to terminal STF.
2.
Turn the power on. The monitor display appears.
3.
Open the operation panel cover to reveal more keys.
4.
Press
MODE
until
OP.nd EXT
appears on the display, then press the up arrow until
PU PU
appears.
Select and Change Most Parameters
5.
Press
MODE
until
Pr.. PU
appears.
6.
To change Parameter 32, press the up arrow multiple times until
P.032
appears.
7.
Press
SET
to show
12.5
(Default value of P. 32).
8.
Press and hold the down arrow until
9999
appears (9999 indicates that the motor is set to run at minimum
speed and not turn off during a low pressure condition).
9.
Press
SET
and hold for two seconds to set the new value.
10. Press
SET
again to advance to the next parameter.
11. To change additional parameters, press the up or down arrows.
Select and Change P.90x Parameters
12. To change parameter 902 (screen a) or 902 (screen b), press
MODE
until
Pr.. PU
appears on the display.
13. Press
SET
.
P.000
appears. (The underline indicates a blinking character.)
14. Press the down arrow once to show
P.900
.
15. Press
SET
twice until
P.900
appears.
16. Press the up arrow twice to display
P.902
.
17. Press
SET
to show
P.90x
a. (The default value of
P.902
a is 12.5 Hz.) Press the up or down arrow to change the
value.
18. Press and hold
SET
for two seconds to set the
P.90x
a value and show the actual input % for
P.90x
b.
19. Press the up arrow once to view the default setting (38% for
P.902
b). Press the up or down to change the
value.
20. Press and hold
SET
for two seconds to set the new value.
21. Press
SET
again to advance to the next parameter.
22. Press the up or down arrow to display the next P.90x parameter that needs to be changed. Repeat Steps 17-
21.
!
CAUTION: Risk of Property Damage.
Do not apply power to the system before checking all wiring connections. Short circuited or improperly
connected wires may result in permanent damage to the equipment.
MISE EN GARDE : Risque de dégâts matériels.
Ne pas mettre le système sous tension avant d'avoir vérifié tous les raccords de câblage. Des fils
formant un court-circuit ou connectés de façon incorrecte risquent d'endommager irrémédiablement
l'équipement.
IMPORTANT:
Remove the jumper to stop the motor before you change the parameter values.