dooch N747D - Page 29

BOOSTER PUMP SYSTEM 29
BOOSTER PUMP SYSTEM N747D
Changeable items in user settings [1] as below.
- The minimum operation rate of inverter
Set the minimum inverter output in %. When inverter operates, set 60Hz at
100%, or set value is 50% then operate from 30Hz.
Change of the minimum operation rate if inverter.
(Example: To change 50% to 60%)
1. Using
Key, select .
2. Initially the first ‘0’ of the ’050’ blinks.
3. Enter in order of 0, 6 and 0 using
Key.
4. After changing to required value, make sure to press
Key.
※ Set value is not changed until input key is pressed.
- Proportional factor ( P ) : It is a proportional factor in PID control variables.
Range : 1 ~ 100
Change of proportional factor (P) settings.
(Example: In case of to change 80 to 90)
1. Using
Key, select .
2. Initially the first ‘0’ of the ’080’ blinks.
3. Enter in order of 0, 9 and 0 using
Key.
4. After changing to required value, make sure to press
Key.
※ Set value is not changed until input key is pressed.
- Constant of integration ( I ) : It is a constant of integration in PID control
variables.
Range : 1 ~ 100
Change of constant of integration ( I ) settings.
(Example: In case of to change 30 to 40)
1. Using
Key, select .
2. Initially the first ‘0’ of the ’030’ blinks.
3. Enter in order of 0, 4 and 0 using
Key.
4. After changing to required value, make sure to press
Key.
※ Set value is not changed until input key is pressed.