Introduction
This document provides essential information for the proper installation, operation, and maintenance of the Nice MCA2R10 control unit. This unit is designed as a replacement control board for the Nice MC824H control unit and is suitable for two 24 VDC gear motors used in swing gate applications without magnetic encoders. It is also compatible with Nice solar energy kit motorization systems.
Important Safety Information
Please read all instructions carefully before installation and use. Failure to follow these instructions could result in serious injury or damage to the product. Keep this manual for future reference.
General Safety Precautions:
- Installation and maintenance must be performed by qualified personnel only.
- Disconnect power before performing any work on the control unit or connected components.
- Ensure all electrical connections comply with local regulations and standards.
- Do not expose the control unit to moisture, rain, or extreme temperatures.
- Use only original Nice spare parts and accessories.
Product Overview
The Nice MCA2R10 is a sophisticated control board designed for managing 24VDC swing gate motors. It offers reliable performance and compatibility with various Nice accessories.
Key Features:
- Replacement control board for Nice MC824H units.
- Supports two 24 VDC gear motors for swing gates.
- Designed for systems without magnetic encoders.
- Compatibility with Nice solar energy kits.
Components Included:
- 1 x Nice MCA2 Control Board
Visual Reference: Nice MCA2R10 Control Unit

This image displays the Nice MCA2R10 control unit. It features multiple terminal blocks for electrical connections, a fuse holder (2A), an IBT4N connector slot for optional modules, and integrated control buttons labeled 'Close', 'Stop/Set', and 'Open'. A product label is visible, indicating 'MODEL: MCA2', 'ITEM: MCA2R10', and 'Made in Italy'. The unit also shows various LED indicators and adjustment potentiometers (R, L1-L8) for fine-tuning settings.
Setup and Installation
Pre-Installation Checks:
- Verify that the power supply is disconnected before starting any installation work.
- Ensure the existing wiring is in good condition and compatible with the MCA2R10 unit.
- Confirm that the gate motors are 24 VDC gear motors and do not use magnetic encoders.
Mounting the Control Unit:
Mount the MCA2R10 control unit securely within a protective enclosure, away from direct exposure to weather elements. Ensure adequate ventilation.
Electrical Connections:
Refer to the terminal block labels on the control unit for correct wiring. Common connections include:
- Power Supply: Connect the 24VDC power supply to the designated terminals.
- Motor Connections: Connect the two 24VDC gate motors to their respective terminals (e.g., M1, M2).
- Safety Devices: Connect photocells, safety edges, and other safety devices to the appropriate input terminals.
- Command Devices: Connect remote control receivers, keypads, and push buttons to the command input terminals.
- Accessories: Connect any compatible accessories, such as flashing lights or solar energy kits, as per their specific instructions.
Note: Detailed wiring diagrams are typically provided with the specific gate motor system or enclosure. Consult those diagrams for precise connection points.
Operating Instructions
Initial Power-Up:
After completing all electrical connections and ensuring safety, restore power to the control unit. The unit will perform an initial self-check.
Programming:
The MCA2R10 control unit requires programming to define gate travel limits, operating speeds, and other parameters. This process typically involves:
- Learning Cycle: Initiating a learning cycle to automatically detect gate travel limits.
- Parameter Adjustment: Using the integrated buttons ('Close', 'Stop/Set', 'Open') and potentiometers (L1-L8, R) to fine-tune settings such as motor force, pause time, and obstacle detection sensitivity.
- Remote Control Pairing: Pairing remote controls with the system for wireless operation.
Note: Specific programming steps vary. Refer to the detailed programming guide for the Nice MC824H or compatible system for comprehensive instructions.
Manual Operation:
The control unit features integrated buttons for direct control:
- Open ▲: Initiates the gate opening cycle.
- Close ▼: Initiates the gate closing cycle.
- Stop/Set: Stops the gate movement or is used for entering/confirming programming settings.
Maintenance
Regular Checks:
- Visual Inspection: Periodically inspect the control unit and all wiring for any signs of wear, damage, or loose connections.
- Cleanliness: Keep the control unit free from dust, dirt, and debris. Do not use liquids for cleaning.
- Fuse Check: If the unit loses power, check the 2A fuse. Replace only with a fuse of the same rating and type.
Professional Maintenance:
It is recommended to have the gate automation system, including the control unit, inspected by a qualified technician at least once a year to ensure optimal performance and safety.
Troubleshooting
This section provides general guidance for common issues. For complex problems, consult a qualified technician.
Common Issues and Solutions:
- Gate Not Responding:
- Check power supply to the control unit.
- Verify remote control battery and pairing.
- Inspect safety devices (photocells) for obstructions or misalignment.
- Gate Stops Mid-Cycle:
- Check for physical obstructions in the gate's path.
- Review motor force settings; they might be too low.
- Inspect motor connections for looseness or damage.
- LED Indicators: Observe the status of any LED indicators on the board, as they often provide diagnostic information. Refer to the full product manual for LED code interpretations.
Technical Specifications
| Feature | Specification |
|---|---|
| Brand | NICE |
| Model Number | MCA2 |
| Item Weight | 703 grams |
| Material | Aluminium |
| Manufacturer | Nice |
| Included Components | Nice MCA2 Control Board |
Warranty and Support
Warranty Information:
For specific warranty terms and conditions, please refer to the documentation provided with your purchase or contact Nice customer support. Warranty coverage typically applies to manufacturing defects under normal use.
Customer Support:
If you encounter issues that cannot be resolved using the troubleshooting guide, or require technical assistance, please contact your authorized Nice dealer or visit the official Nice website for support resources.





