1. Introduction
The ELECHICO CC608A is a sophisticated Printed Circuit Board Assembly (PCBA) designed for controlling commercial heat pump systems. It offers smart WiFi connectivity via the Tuya App, enabling remote monitoring and control. This board is versatile, supporting both air source and water source heat pump machines for heating and cooling applications.
This manual provides essential information for the proper installation, operation, and maintenance of your CC608A control board to ensure optimal performance and longevity.
2. Key Features
- Designed for commercial heat pump machines.
- Suitable for air source or water source heating and cooling heat pump systems.
- WiFi control via Tuya App for remote management.
- Double compressor control for enhanced system protection.
- EMC certified for electromagnetic compatibility.
- Selectable modes for swimming pool or hot water applications.
- Three-phase function and compressor current detection.
- Power-off memory function to retain settings.
- 24-hour cycle timing ON/OFF function.
3. Technical Specifications
| Parameter | Value |
|---|---|
| Measuring Range | -30°C ~ 99°C |
| Controlling Range | -30°C ~ 99°C |
| Accuracy | -30°C ~ 50°C, ±1°C ±0.5dig; others, ±2°C ±0.5dig |
| Mounting Size | 198 × 120 × 25mm |
| Power Supply | 380V or 220 ±10% (VAC), 50/60Hz |
| Power Consumption | <12W |
| Storage Temperature | -25°C ~ 50°C |
| Sensor Type | NTC (5KΩ/25°C, B value 3470K; 50KΩ/25°C, B value 3490K) |
| Relay Output Capacity (Fan) | 20A/250VAC |
| Relay Output Capacity (Others) | 5A/250VAC |
4. Package Contents
Upon receiving your ELECHICO CC608A Heat Pump Control Board, please verify that all the following items are included:
- Main board (1 pcs)
- LCD display (1 pcs)
- Connect wire (1 pcs)
- Transformer (1 pcs)
- Temperature sensors (12 pcs)
If any items are missing or damaged, please contact your supplier immediately.
5. Installation
Installation of the CC608A control board requires technical expertise and should only be performed by qualified personnel to ensure safety and proper functionality. Incorrect installation can lead to system damage, electric shock, or fire hazards.
5.1 Wiring Diagram
Refer to the detailed wiring diagram below for connecting the control board to your heat pump system components. This diagram illustrates connections for power supply, sensors, compressors, fans, valves, and other peripheral devices.

5.2 General Installation Notes
- Ensure the main power supply to the heat pump system is disconnected before beginning any installation work.
- Mount the control board in a secure, dry location, protected from direct sunlight, moisture, and extreme temperatures.
- Follow all local electrical codes and regulations.
- Use appropriate gauge wiring for all connections as specified by the system requirements.
- Double-check all connections for proper polarity and secure fastening before restoring power.
- The LCD display unit connects to the main board via the provided connect wire.
6. Operation
The CC608A control board can be operated via its integrated LCD display unit or remotely through the Tuya App.
6.1 LCD Display Operation
The LCD display provides real-time system status and allows for direct control. Use the buttons on the display to navigate menus, adjust settings, and switch operating modes.

- Power Button: Turns the system ON/OFF.
- Mode (M) Button: Cycles through available operating modes (e.g., heating, cooling, hot water, swimming pool).
- Up/Down Arrows: Adjust temperature setpoints, timer settings, or navigate menu options.
- Timer Button: Accesses the 24-hour cycle timing function to schedule ON/OFF times.
6.2 Tuya App Operation (Smart WiFi Control)
The CC608A supports smart control via the Tuya App, allowing you to manage your heat pump system from anywhere.

- Download the Tuya App: Search for "Tuya Smart" or "Smart Life" in your smartphone's app store and install it.
- Register/Log In: Create an account or log in to your existing Tuya account.
- Add Device: Follow the in-app instructions to add a new device. Ensure your CC608A control board is powered on and in pairing mode (refer to the LCD display manual for specific pairing instructions).
- Connect to WiFi: Configure the device to connect to your local WiFi network.
- Control and Monitor: Once connected, you can use the app to:
- Adjust temperature setpoints.
- Switch between heating, cooling, hot water, or swimming pool modes.
- Set and manage schedules using the 24-hour timer function.
- Monitor real-time system status and sensor readings.
7. Maintenance
Regular maintenance helps ensure the longevity and efficient operation of your CC608A control board and the entire heat pump system.
- Regular Cleaning: Keep the control board and display unit free from dust and debris. Use a soft, dry cloth for cleaning. Do not use liquid cleaners directly on the electronic components.
- Inspect Wiring: Periodically check all wiring connections for tightness and signs of wear or corrosion. Address any loose connections or damaged wires promptly.
- Sensor Check: Ensure temperature sensors are clean and properly positioned. Verify their readings for accuracy.
- Software Updates: Keep the Tuya App updated to the latest version for optimal performance and security. Check for any firmware updates for the control board if available through the app or manufacturer's support.
- Professional Inspection: It is recommended to have a qualified technician inspect the heat pump system, including the control board, annually.
8. Troubleshooting
This section provides solutions to common issues you might encounter with your CC608A control board. For more complex problems, contact technical support.
- No Power to Control Board/Display:
- Check the main power supply to the heat pump system.
- Verify all power connections to the control board and transformer are secure.
- Ensure the circuit breaker has not tripped.
- Display Not Responding:
- Check the connection cable between the main board and the LCD display.
- Restart the system by cycling the power.
- WiFi Connection Issues:
- Ensure your WiFi router is working and within range of the control board.
- Verify the WiFi network name (SSID) and password are correct in the Tuya App.
- Try restarting your router and the control board.
- Ensure the control board is in pairing mode when attempting to connect via the app.
- Incorrect Temperature Readings:
- Check the physical connection and placement of the temperature sensors.
- Ensure sensors are clean and free from obstructions.
- Verify the sensor type setting in the control board configuration matches the installed sensors.
- System Not Heating/Cooling:
- Check the selected operating mode (heating/cooling/hot water/swimming pool).
- Verify the temperature setpoint is correctly configured.
- Ensure there are no error codes displayed on the LCD or in the Tuya App.
- Inspect compressor and fan connections as per the wiring diagram.
9. User Tips
- For optimal energy efficiency, utilize the 24-hour cycle timing function to schedule your heat pump's operation during off-peak hours or when demand is lower.
- Familiarize yourself with the Tuya App's advanced features, such as scene automation and integration with other smart home devices, to enhance your control experience.
- Regularly monitor the compressor current detection feature to identify potential issues early and prevent costly repairs.
- When switching between swimming pool and hot water modes, allow sufficient time for the system to adjust and reach the desired temperature.
10. Warranty & Support
The ELECHICO CC608A Heat Pump PCB Control Board comes with a 2-year warranty from the date of purchase, covering manufacturing defects and malfunctions under normal use. This warranty includes free spare parts, return, and replacement services.
For technical assistance, troubleshooting, or warranty claims, please contact your supplier or ELECHICO customer support. When contacting support, please have your product model (CC608A) and purchase details readily available.
11. Applications
The ELECHICO CC608A Heat Pump Control Board is designed for a wide range of commercial and industrial heat pump applications, including but not limited to:

- Swimming Pool Heat Pumps: Efficiently maintains desired water temperatures for commercial and large residential pools.
- Solar / Heat Pump Water Heaters: Manages the heating process for large-scale hot water supply systems.
- Air Conditioning Systems: Controls the heating and cooling functions in commercial air conditioning units.
- Split Air Source Heat Pumps: Optimizes performance for split-system air source heat pump installations.
- Chiller Systems: Can be adapted for various chiller applications requiring precise temperature control.
12. Factory Tour
Watch this video to see the manufacturing process and quality control measures at the ELECHICO factory, ensuring the high standards of our PCB control boards.





