Setting Of Pump Units Without Flow Sensor - DGFLOW DGFIT T/T 06 Manual De Uso Y Mantenimiento

SETTING AND STARTING UP of a 2 PUMPS UNIT
Operation
1
ADDRESS THE
INVERTER
SLAVE
2
PUMP ROTATION
CHECK
(surface pumps)
2a
PUMP ROTATION
CHECK
(submersible
pumps)
3
DRY RUNNING
PROTECTION
THROUGH
PARAMETER
COSPHI
WITHOUT FLOW SENSOR
Turn on the drive that works as SLAVE and set the parameter W in the
menu ADV as W = S1 (slave 1)
Start the pump ( key START/STOP ) and check the motor rotation; if it runs
backwards change the parameter RO in menu BASIC
- Go to TEST mode and start the pump (key START/STOP )
- Read and record the pressure
- Stop the pump (key START/STOP )
- Reverse the rotation through the parameter RO in menu BASIC
- Go to TEST mode and start the pump (key START/STOP )
- Read and record the pressure
- Stop the pump (key START/STOP )
- The right rotation is the one with the higher pressure.
- Go to TEST mode, start the pump ( key START/STOP ) and open a tap
- Scroll the working parameters by pressing RIGHT ARROW, to parameter
F (frequency)
- Increase the frequency up to 45 Hz by pressing the UP ARROW
- Close all the taps
- Scroll the working parameters by pressing RIGHT ARROW, to parameter
PF and record it (e.g. PF 0,44)
- stop the pump (key START/STOP )
START
SET /
BASIC TEST
/STOP
TEST
- go to parameter PF in menu ADV
- set the parameter PF to the recorded value – 0,03 (e.g. 0,44 – 0,03 = 0,41)
SET /
BASIC ADV
TEST
- go back to menu ADV and go to parameter TPF
- set TPF to 3 (3 = 3 sec = intervention time before DRY RUNNING alarm)
Procedure
P 1,5 OPEN F 31
d 0,4 PF .10
42
START
F 45 CLOSE PF .44
/STOP
PF .10 PF .41
OFF
ADV