Instruction Manual
TECHNOFORCE Installation, Operation, and Maintenance
43
Operation
5.3 Pump Rotation
1. It will be necessary to operate all pumps in variable speed to check for proper rotation.
2. Place the TechnoForce into operation as described in previous sections.
3. Run each pump in auto noting rotation in each.
4. If rotation is wrong, exchange the wiring on two motor phases.
NOTE: Changing phase at VFD input does not change output phasing.
DANGER:
• High voltage 3 phase power can kill. Pumps can start automatically. Disconnect and lock-out power prior
to servicing pumps. FAILURE TO FOLLOW THESE INSTRUCTIONS COULD RESULT IN SERIOUS
PERSONAL INJURY, DEATH, AND/OR PROPERTY DAMAGE.
5.4 Hand Manual Operation
1. If system is running press the START/STOP key to stop the system. The solid green LED for start/stop
will turn off and any running pumps will stop.
2. Press the AUTO/MANUAL key and the screen will display the following:
< >
Manual Speed: #%
STAT1 STAT2 STAT3
3. If the PUMP LED is not ashing green, enable a pump to run in manual by pressing the
PUMP 1 or PUMP 2 key.
4. Press the START/STOP key to run the enabled pump(s) in manual. After a brief time delay the
pump(s) starts, and the ashing green LED(s) for pump(s) will turn solid green.
5. Press the UP (▲) key to increase pump speed to a maximum of 100% of rated speed. Press the
DOWN (▼) key to decrease the speed to 0% where the pump will run at the minimum speed
congured in the VFD, typically 30 HZ.
6. Press the START/STOP key to stop the system. The running pump(s) will stop.
5.5 Setpoint Modication
To modify any of the setpoints for the transmitter congured as the system pressure, press the SETPT/2 key.
The following SET POINT SELECTION screen will be displayed:
Selection: # 0=Exit
1= Set Point
2= Schedule Set Point
3= Control Set Point
Use the appropriate numeric key to select the desired menu, then press the ENTER key. A detailed description
of each menu follows. For example, to select the SET POINT menu, press the PV/1 key and then press the
ENTER key. The following menu will be displayed:
SP1= ## SP2=##
SP3= ## SP4=##
Exit: $ (Y/N)
If you agree with the current setpoint settings press the YES/7 key followed by ENTER. If you would like to
modify any of the setpoints press the NO/0 key followed by ENTER at which point the setpoint in the upper
left portion of the screen will begin ashing.
Press the numeric key to modify the setpoint and press ENTER to proceed to the next setpoint.
After modifying all of the set points, press the YES/7 key to accept the values and return to the SET POINT
SELECTION screen.