66
P9 ASD Quick Start Guide
WARNING! — THE FOLLOWING STEP WILL START THE MOTOR!
Figure 29. The VLP Maximum Value.
Figure 30. Set the VLP Minimum Value.
DANGER
VLP Setup Wizard
Back
Use Encoder To Set VLP
Maximum
Transducer Value
Next
Exit
80
12 %
10. Set the system for normal flow
and ensure that all system valves
are set for normal operation.
11. Place the system in the
Hand
mode and press the
Run
key. The
system will run at the
Upper
Limit
setting (
F012
).
12. Click
Next
to continue.
The Motor/Pump combination capacity is automatically calculated and displayed as the
VLP Maximum
. Normally, no further adjustment is required for the
VLP Maximum
setting.
The
VLP
Maximum
value may be adjusted, if required, at
F395
. The
VLP Maximum
setting (
F395
) minus the
F482
setting comprises the range of the
VLP Maximum Zone
.
VLP Maximum Zone
VLP Setup Wizard
Back
Use Encoder To Set VLP
Minimum
Transducer Value
Next
Exit
70
12 %
14. The
VLP Minimum
value
setting is typically above the
electrical stall of the motor,
above the minimum system
pressure, above the manual
change plateau, and well below
the typical operating point of the
system.
Click in the
VLP Minimum
field and, using the
Rotary
Encoder
,
slowly decrease the
VLP Minimum
value while observing the LED display.
If either of the conditions listed below should occur while decreasing the
VLP
Minimum
value, increase the
VLP Minimum
number until the condition is no longer
true to set the
VLP Minimum
:
• The motor stalls,
• The output frequency is greater than the setting of
F505
, or
• The output frequency no longer changes with continued
VLP
number changes.
The
VLP Minimum
setting (
F394
) plus the
F481
setting comprises the range of the
VLP
Minimum Zone
.
15. Click
Next
to continue.
VLP Minimum Zone
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www .ctiautomation.net - Email: info@ctiautomation.net