dooch Q-Drive NQ-0075-S, User Manual, Page: 39 / 80

[CHAPTER 5 OPERATION]
5-9 | DOOCHPUMP
• Check the polarity of pressure sensor and connect it properly.
(In case of KELLER 21G series, connect brown line of pressure sensor to SEN1P terminal and
white line to SEN1N terminal respectively.)
• Connect low level sensor (electrode) if necessary.
※
In case of not using low water level sensor (electrode), change setup to use low water level
detection method of software. (To select Para ‘Pr-76’ Low Level Trip Detection Method ‘0’)
B. Setup and Operation Method
• After applying power supply, check if Stop LED on FND is turned on and FND part displays
current press of piping.
※
If is displayed, be sure to check wiring of pressure sensor.
(Connection status or defective pressure sensor, etc.)
※
Caution: Do not surprise even if drive is automatically operate after 10 seconds from
power supply.
This is a normal phenomenon that power fail recovery function operates.
(Refer to power fail recovery function.)
C. Operation Parameters
-
Basic Setup Parameters
Setup
Sequence
Setup Item
Parameter
Code
Functional Description
1
Run Command Input
Location Setup
dr-01 To set up Run command with FND.
2
Target Frequency Input
Method Setup
dr-02
To set up Target Frequency Input
Method of drive with own PID.
3
Pump Control Mode
Setup
Pr-02
To set up Pump Control Mode to
Constant Pressure Mode.
4
Sensor1 Capacity
Setup
Pr-03
To set up rated capacity of pressure
sensor used.
5
Sensor1 Pressure
Variation Correction
Pr-04
To correct variation between value of
used pressure sensor and real pressure
value.