dooch Q-Drive NQ-0400-T User Manual

User Guide
Model : AC Drive (V.F.D)
(3-Phase input)
www.doochpump.com

dooch Q-Drive NQ-0400-T Specifications

General

Brand	dooch
Model	Q-Drive NQ-0400-T
Category	Controller
Language	English

Summary

SAFETY PRECAUTIONS

Safety Precautions

General safety warnings and guidelines for product usage.

Transportation and Installation

Checkup on Initial Operation

Reaction on Failure and Malfunction

Procedures for handling faults, errors, and malfunctions.

CHAPTER 4 INSTALLATION

4.1 Cautions on Installation

4.2 Wiring Diagram of Terminals

Visual guide illustrating all terminal connections for power and control circuits.

4.3 Wiring of Main Power Supply Circuit

4.3.3 Cautions on Ground Wiring

4.4 Control Circuit Wiring

4.4.2 Functions of Control Terminal Block

4.4.3 Cautions on Control Circuit Wiring

4.4.4 Connection of Pressure Sensor and Low Water Level Sensor

Steps for connecting essential sensors for system monitoring.

CHAPTER 5 OPERATION

5.1.3 How to Change Parameter Settings

Step-by-step guide for modifying drive parameters and settings.

5.2.1 Basic Function Setup

2) Pump Control Function Setup

1) Pump Control Parameters

2) Setup Parameters for Pump System Protection

Configuration of alarms and settings for protecting the pump system.

5.3.1 Constant Pressure Control Mode

How to use the drive for constant pressure applications and system control.

B. Setup and Operation Method

Practical, step-by-step guide for setting up and operating the drive.

C. Operation Parameters

D. Target Pressure Setup

How to set and adjust the desired system pressure for optimal performance.

E. Checkup on Rotation Direction of Pump

2) Multi-Drive Operation of Drives

Operating multiple drives in a coordinated system for enhanced control.

CHAPTER 6 FUNCTION TABLE & DESCRIPTION

6.2 Pump Control Group

6.3 Drive Control Group

6-4-1 Pump Control Group

Pr-03 Sensor 1 Capacity Setup

Pr-04 Sensor 1 Correction Setup

Pr-08 I Gain of PID Controller

Pr-09 D Gain of PID Controller

Pr-61 PID Type Setup on Multi-Drive Control Mode

Pr-72 High Pressure Alarm Time

Setting the duration for which high pressure must persist to trigger an alarm.

Pr-73 Low Pressure Alarm Time

Setting the duration for which low pressure must persist to trigger an alarm.

Pr-76 Low Water Level Alarm Method Selection

Choosing the detection method for low water level conditions.

Pr-77 Low level Sensor Low Level Trip Time

Setting the trip time for low level sensor detection.

dr-01 Command Input Location Setup

dr-02 Target Frequency Input Method Setup

dr-03 Target Frequency Value Setup

dr-20 Motor Rotation Direction Selection

dr-31 Overload Trip Level

Setting the current threshold that triggers an overload protection trip.

dr-32 Overload Trip Time

Setting the duration for which overload conditions must persist to trigger a trip.

dr-35 Motor Overheat Selection

Enabling or disabling the motor overheat protection function.

dr-36 Ground Detection

dr-90 Initialization Code

CHAPTER 7 CAUSE OF FAULT AND REACTION

7.1 Fault History Table

Comprehensive list of faults, their causes, and recommended recovery steps.

7.2 Reset of fault and alarm

Er-01 (Pressure Sensor Error-tSF)

Troubleshooting guide for errors related to the pressure sensor.

Er-03 (Low Pressure Alarm-tLP)

Troubleshooting guide for alarms indicating low pressure conditions.

Er-04 (Low water Level Alarm-tUL)

Troubleshooting guide for alarms related to low water level detection.

Er-05 (Arm Short Trip-tASH)

Troubleshooting guide for errors indicating an arm short circuit trip.

Er-06 (H/W Over Current Trip-tOC)

Troubleshooting guide for hardware overcurrent trip errors.

Er-07 (H/W Over Current Restriction Trip-SOC)

Troubleshooting guide for overcurrent restriction trip errors.

Er-08(Motor Overheat-tMOH)

Troubleshooting guide for errors indicating motor overheat conditions.

Er-10 (Low Voltage Trip-tLv)

Troubleshooting guide for errors related to low supply voltage.

Er-11 (High Voltage Trip-tOv)

Troubleshooting guide for errors related to high supply voltage.

Er-13 (Drive Overload Operation Trip-tdOL)

Troubleshooting guide for errors indicating drive overload trips.

Er-14 (Ground Trip-tGF)

Troubleshooting guide for errors related to ground faults.

Er-18(The Defects of Output -tOO)

Troubleshooting guide for errors related to output circuit defects.

Er-20(External Fault Input-tES)

Troubleshooting guide for errors related to external fault input signals.