M3 / M3T Smart Controller | User Manual

1. Introduction

The M3/M3T series is a smart controller designed for AC 220V appliances. Featuring Bluetooth connectivity, it allows for real-time monitoring and advanced protection settings via your Android smartphone.

2. Safety Disclaimer (Read Carefully)

WARNING: RISK OF ELECTRIC SHOCK
  • Installation must be performed by a qualified electrician or someone with experience in high-voltage wiring.
  • Ensure the main power supply is OFF before attempting any connections.
  • Do not exceed the maximum rated capacity of 8 Ampere.
  • The manufacturer is not liable for damages resulting from incorrect wiring or misuse of the device. Use at your own risk.

3. Technical Specifications

Feature Range / Detail
Operating Voltage 160V – 280V AC
Max Current 8 Ampere
Connectivity Bluetooth (Android App)
Monitoring Metrics Voltage (V), Current (A), Frequency (Hz), Power (KW), Apparent Power (KVA)

4. Key Features & Protections

  • Smart Protection: Toggle High and Low voltage limits to prevent motor burnout.

  • Load Management: * No Load Shutdown: Protects pumps from dry running.

    • Over Load Shutdown: Prevents motor damage from stalling or debris.

  • Timer & Scheduling: Set specific run times or countdowns for automation.

  • Automatic Mode: Specialized logic optimized for residential water pumps to ensure efficient operation.

5. Connection Instructions

To ensure your controller operates safely, follow the wiring scheme provided in the diagram:

  1. Line (L): Connect the Live/Phase wire (Red) to the designated input on the Controller.

  2. Neutral (N): The Neutral wire (Black) must be connected to both the Controller and the Motor.

  3. Output (Yellow): The Yellow wire from the Controller sends the switched power to the Motor.

  4. Grounding: Ensure the Motor is properly grounded (Green wire).


Connection Diagram

6. App Setup

  1. Download and install the M3/M3T Controller App on your Android device.

  2. Turn on Bluetooth and search for your device.

  3. Once paired, you can view live data and toggle protection settings in the "Settings" menu.


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