dooch N747D - Page 31

BOOSTER PUMP SYSTEM 31
BOOSTER PUMP SYSTEM N747D
3. Enter in order of 2, 0 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.
- Corrected value of sensor : This function corrects the deviation between the
analog or digital pressure gauge in the piping and current pressure indicated in
panel LCD
Range : 1.0 ~ -1.0
Change of sensor maximum value settings.
(Example: in case of to change 16.0kgf/cm² to 20.0kgf/cm²)
1. Using
Key, select .
2. Initially the first ‘0’ of the ’00.3” blinks.
3. Enter in order of 0, 0 and 4 using
Key.
4. After changing to required value, make sure to press
Key.
※ Set value is not changed until input key is pressed.
- Operating method : To set operation method of pump.
1 : Operating by fixed-inverter
Inverter is fixed for one pump operation, and when all pumps stop,
move the inverter .
2 : sequential 1 operation
Sequential operation by pressure sensor without inverter( Automatically
switched when inverter failure. )
3 : sequential 2 operation
Sequential operation by pressure switch without inverter or pressure sensor
(manually switched).
Change of operation method settings.
(Operating method: Example – In case of change main pump fixed method to
sequential 2 operation)
1. Using
Key, select .
2. Enter 3 with using
Key .
(1: Operating by fixed-inverter 2: Sequential 1 operation 3: Sequential 2
operation)
3. After changing to required value, make sure to press
Key.
※ Set value is not changed until input key is pressed.