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INVT CHE100-7R5G/011P-4 - User Manual

INVT CHE100-7R5G/011P-4
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CHE Series Sensorless Vector
Control Inverter
Operation Manual
z Thank you very much for your buying CHE series sensorless vector control
inverter.
z
Before use, please read this manual thoroughly to ensure proper usage. Keep this
manual at an easily accessible place so that can refer anytime as necessary.

Table of Contents

Questions and Answers

  • M
    Matthew ChoiAug 20, 2025
    What to do if there is over-current during acceleration in INVT CHE100-7R5G/011P-4?
    • D
      Derrick CrosbyAug 20, 2025
      If the INVT DC Drive displays an over-current error during acceleration, it could be due to several reasons. There might be a short-circuit or ground fault at the inverter output, the load could be too heavy, the acceleration/deceleration time might be too short, the V/F curve might be unsuitable, or there could be a sudden change in load. To resolve this: * Inspect the motor for damage, worn insulation, or cable damage. * Increase the acceleration/deceleration time or select an inverter with a larger capacity. * Check and adjust the V/F curve, and also check the load.
  • J
    Joseph StoneAug 22, 2025
    Why is my INVT CHE100-7R5G/011P-4 DC Drives showing inverter overload?
    • N
      nicolegonzalezAug 22, 2025
      If your INVT DC Drive displays an inverter overload, it could be due to a heavy load, short acceleration/deceleration time, an unsuitable V/F curve, or the inverter's capacity being too small. Here's how to address it: * Increase the acceleration/deceleration time or choose an inverter with a larger capacity. * Check and adjust the V/F curve. * Consider selecting an inverter with a higher capacity.
  • M
    Melissa SimonAug 25, 2025
    How to fix IGBT Ph-U fault in INVT CHE100-7R5G/011P-4?
    • E
      eherringAug 25, 2025
      If the INVT DC Drive shows an IGBT Ph-U fault, it could be due to several reasons: the acceleration/deceleration time being too short, a fault in the IGBT module itself, malfunction caused by interference, or improper grounding. To address this: * Increase the acceleration/deceleration time. * Inspect external equipment and eliminate any interference.
  • M
    Mario LaneAug 26, 2025
    What causes over-voltage during acceleration in INVT DC Drives?
    • R
      Robert HuntAug 26, 2025
      If the INVT DC Drive shows an over-voltage error during acceleration, it could be due to a short deceleration time causing excessive regenerative energy from the motor, or the input voltage being too high. To fix this, you can: * Increase the deceleration time or connect a braking resistor. * Decrease the input voltage to stay within the specified range.
  • D
    Donald RichardsAug 27, 2025
    Why is my INVT CHE100-7R5G/011P-4 showing motor overload?
    • J
      John SmithAug 27, 2025
      If the INVT DC Drive indicates a motor overload, it may be because the motor is driving a heavy load at low speed for an extended period, the V/F curve is not properly set, the motor’s overload protection threshold (PB.01) is incorrect, or there is a sudden load change. To resolve this: * Select a variable frequency motor. * Check and adjust the V/F curve. * Check and adjust PB.01. * Check the load.
  • J
    Justin BarnesAug 29, 2025
    What causes DC bus Under-voltage in INVT CHE100-7R5G/011P-4 DC Drives?
    • A
      Alexis BuchananAug 29, 2025
      If the INVT DC Drive displays a DC bus under-voltage error, it could be due to an open phase in the power supply, a momentary power loss, loose wiring terminals for the input power supply, or large voltage fluctuations in the power supply. Inspect the input power supply or wiring.
  • D
    Dr. Stephanie PriceAug 31, 2025
    What to do if INVT CHE100-7R5G/011P-4 DC Drives shows input phase failure?
    • T
      Tanya WebbAug 31, 2025
      If the INVT DC Drive shows an input phase failure, it could be due to an open phase in the power supply, a momentary power loss, loose wiring terminals for the input power supply, large voltage fluctuations in the power supply, or poor voltage balance between phases. Check the wiring, installation, and power supply.
  • A
    Amanda FieldsSep 2, 2025
    How to resolve rectify overheat in INVT DC Drives?
    • K
      Karen CollinsSep 2, 2025
      If the INVT DC Drive displays a rectify overheat error, it could be due to high ambient temperature, proximity to a heat source, cooling fan issues (stopped or damaged), obstructed ventilation, or a high carrier frequency. To solve this: 1. Install a cooling unit. 2. Remove any nearby heat sources. 3. Replace the cooling fan. 4. Clear any obstructions in the ventilation channel. 5. Decrease the carrier frequency.
  • C
    Cody WolfeSep 4, 2025
    What causes output phase failure in INVT CHE100-7R5G/011P-4 DC Drives?
    • M
      Mary BryantSep 4, 2025
      If the INVT DC Drive indicates an output phase failure, it could be due to a broken wire in the output cable, a broken wire in the motor winding, or loose output terminals. Check the wiring and installation.
  • P
    Patricia Brown DDSSep 6, 2025
    How to troubleshoot communication fault in INVT CHE100-7R5G/011P-4 DC Drives?
    • S
      Sabrina JenkinsSep 6, 2025
      If the INVT DC Drive displays a communication fault, it may be due to an incorrect baud rate setting, receiving incorrect data, or a prolonged interruption in communication. To solve this, set the proper baud rate and check the communication devices and signals.

Summary

3. INSTALLATION

3.1 Environmental Requirement

Specifies the conditions for inverter installation (temp, humidity, altitude, etc.).

3.2 Installation Space

Details the required clearances around the inverter for ventilation.

4. WIRING

4.1 Connection of Peripheral Devices

Shows a general diagram of connecting external devices to the inverter.

4.2 Terminal Configuration

Details the layout and function of main and control circuit terminals.

4.3 Typical Wiring Diagram

4.4 Specifications of Breaker, Cable, Contactor and Reactor

Lists recommended specifications for external components.

4.5 Wiring Main Circuits

4.6 Wiring Control Circuits

5. OPERATION

5.1 Keypad Description

Explains the keypad layout, buttons, and indicator lights.

5.2 Operation Process

Outlines the steps for parameter setting, fault reset, and autotuning.

6. DETAILED FUNCTION DESCRIPTION

6.1 P0 Group-Basic Function

Covers fundamental settings like control mode and run command source.

6.2 P1 Group-Start and Stop Control

Details parameters for starting, stopping, and braking the motor.

6.3 P2 Group-Motor Parameters

Lists parameters that define the motor's characteristics for optimal performance.

6.4 P3 Group-Vector Control

6.5 P4 Group- V;F Control

6.6 P5 Group-Input Terminals

6.7 P6 Group-Output Terminals

7. TROUBLE SHOOTING

7.1 Fault and Trouble shooting

Lists fault codes, types, reasons, and solutions for common issues.

7.2 Common Faults and Solutions

Provides solutions for typical operational malfunctions and faults.

INVT CHE100-7R5G/011P-4 Specifications

General IconGeneral
Cooling MethodForced air cooling
Power7.5 kW
Power Rating7.5 kW
Input Voltage3-phase 380V
Output Voltage0-380V AC
Control ModeV/F control
Protection FeaturesOvercurrent, overvoltage, undervoltage, overload, short circuit, overheating
Communication InterfaceRS485
Operating Temperature-10°C to +40°C
Storage Temperature-20°C to +60°C
Humidity5% to 95% (non-condensing)
AltitudeUp to 1000m

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