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OPERATION
Hand/Auto Mode
When powered on, the drive reads the signal on Control Board terminals J10 (Hand/Auto). An open con-
nection here, or a connected Hand/Auto switch set to A A U U T T O O , puts the drive in Auto mode. In Auto mode,
the drive controls the pump to maintain a constant pressure.
If a Hand/Auto switch is connected and set to H H A A N N D D (closed), the drive operates in Hand mode. Hand
mode runs the pump at a constant speed (default is 60 Hz, shown in the display). This allows the drive
to be run at full speed without a pressure transducer for longer periods of time as in the case of new
well development or system start up. Moving the switch back to A A U U T T O O resumes the automatic pressure
tracking and control by the VFD.
System Status
When the drive is controlling the motor and pump, the display is illuminated and
the following information is shown:
1. Whether the system is in H H A A N N D D or A A U U T T O O mode.
2. Whether the motor is running ( ( R R U U N N ) ) or stopped ( ( S S T T O O P P ) ) .
3. When using a pressure transducer, the system displays the current system
pressure in PSI.
•
When using a standard pressure sensor, the system displays the current
motor speed (in Hz).
•
When running in H H A A N N D D mode, the system displays the keypad frequency setpoint.
4. When using a pressure transducer in A A U U T T O O mode, the motor speed is displayed at the lower left of the screen. In H H A A N N D D
mode, current system pressure is displayed.
•
When using a standard pressure sensor, this field is not displayed.
5. The lower right of the screen displays output current in Amps.
6. The Bluetooth icon indicates that the VFD is connected to a mobile device running the mobile app. A thermometer icon also
displayed at the left side of the screen indicates the drive is in Over Temperature Foldback.
Fault Detected
If a fault condition occurs, the drive displays the Fault Code and Fault Description
Several faults reset automatically, displaying a countdown timer until the reset oc-
curs. Pressing the D D O O W W N N button while the countdown timer is active resets the
fault immediately. For faults that require a manual reset, turn off power to the drive
(power cycle) and restart after five minutes.
Refer to
"Diagnostic Fault Codes" on page 41
for details.
OPERATION
Hand/Auto Mode
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