Changing the Set Pressure
Operation screen – Press SET button for 3 seconds until the word ‘Data’ appears. Now, the set
pressure can be changed. Refer to parameter table on page 15 for values.
Press UP or DOWN button to change the set pressure
Press SET button again for 3 seconds to accept the new set pressure. The display blinks twice, and
then the data disappears.
Caution:
1. Ensure the set pressure is always set above the “deadhead” pint of the pump. If not, the
pumps may keep running even though the user does not use water. It can cause damage
to the pump.
2. Set pressure shall be lower than the high-pressure alarm and higher than the low-pressure
alarm.
3. Changing pump overload protection value may result in damage if set incorrectly.
Changing Parameters
Press both the UP / DOWN buttons for 3 seconds until ‘BR-01’ appears. Now the parameter
can be changed.
Press the UP / DOWN button to move to the BR parameter wanted.
Press the SET button, and the word ‘data’ will appear. Now the data of the parameter can be
changed.
Press the UP / DOWN button to change the data.
Press the SET button to accept the new value. The data value will blink twice then the BR
parameter list mode is displayed.
Press the RUN / STOP button to exit the BR parameter mode. The system will operate under
the set value.
Caution:
Certain parameters cannot be changed when in auto run mode. Press the run / stop button to stop
the VFD before entering the parameter change mode to change these parameters.
14
SJE-Rhombus
®
VARIOspeed
®
Micro Controller User Manual
