1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of the TMJD MISS CC570N WiFi Tuya Heat Pump PCBA Control Board. This intelligent control board is designed to empower the smart operation of both air source and water source water heaters, offering advanced features for domestic and commercial applications.
Video: Overview of the Heat Pump Controller and Production Process
2. Product Components
The CC570N Heat Pump PCBA Control Board package typically includes the following components:
- Mainboard (1 piece)
- LCD Display (1 piece)
- Connect Wire (1 piece)
- Transformer (1 piece)
- Temperature Sensors (7 pieces)
Image: Included components of the CC570N control board kit.
Image: The main control board and the LCD display unit.
3. Technical Specifications
| Feature | Specification |
|---|---|
| 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 |
| Installation Size | 110*90*35mm |
| Power Supply | 220 ±10%(VAC), 50/60Hz |
| Power Consumption | <12W |
| Storage Temperature | -25°C ~ 50°C |
| Sensor Type | NTC (5KΩ/25°C, B value 3470K; 50K/25°C, B value 3490K) |
| Compressor Relay Output | 20A/250VAC |
| Cycle Water Pump Relay Output | 10A/250VAC |
| Other Relay Outputs | 5A/250VAC |
| Material | Plastic |
| Installation Method | Freestanding |
| Operating Language | English |
| Application Type | Household |
| Use | Bathroom (Heat pump hot water controller) |
4. Product Features
- Touch Key LCD Display: Quick parameter setting and easy operation.
- Intelligent Defrost Control Mode: Optimizes defrosting cycles for efficiency.
- Auto Restart Function: Automatically resumes operation after power interruptions.
- 24-Hour Cycle Timing ON/OFF Function: Allows for scheduled operation.
- EEV Control Function: Supports Electronic Expansion Valve control for precise refrigerant flow.
- Multiple Working Modes: Includes heating mode, cooling mode, and energy-saving mode.
- Five-Way Control Output: Manages compressor, cycle water pump, fan motor, electrical heater, and 4-way valve.
- Seven-Way Sensor Input: Monitors water tank temperature, outlet water temperature, ambient temperature, evaporator temperature, exhaust temperature, suction temperature, and ground source outlet temperature.
- Four-Way Switch Input: Detects high pressure, low pressure, water flow, and phase status.
- WiFi Tuya App Control: Enables remote control and monitoring via a smartphone application.
5. Installation
Proper installation is crucial for the safe and efficient operation of the control board. It is recommended that installation be performed by a qualified technician.
5.1. Wiring Diagram
Refer to the detailed wiring diagram below for connecting the control board to your heat pump system components. Ensure all connections are secure and follow local electrical codes.
Image: Wiring Diagram for the CC570N Control Board
Key connections in the wiring diagram:
- Power Supply: Connect the transformer primary to 220V ±10% (VAC), 50/60Hz input. The transformer secondary provides 12V/800mA.
- Outputs: Connections for compressor, in/water source pump, four-way valve, water pump, electric heating.
- Inputs: High pressure switch, low pressure switch, water flow switch, line switch, water flow switch in water source side.
- Sensors: Water outlet temperature, ambient temperature, discharge temperature, suction temperature, coil temperature, electronic expansion valve, water tank temperature, water outlet temperature in water source side.
- LCD Display: Connects via CN1.
Note: The diagram indicates which relays (RY1-RY5) control specific components and which inputs (A0-A6) are used for various sensors.
6. Operation
6.1. LCD Display Control
The LCD display unit provides a user-friendly interface for monitoring and controlling the heat pump. It features touch keys for quick parameter adjustments.
Image: LCD Display Interface
Familiarize yourself with the icons and buttons on the LCD for setting modes (heating, cooling, energy-saving), adjusting temperature, and scheduling ON/OFF times.
6.2. WiFi Tuya App Control
The CC570N supports control via the Tuya Smart app, allowing you to manage your heat pump remotely from your smartphone.
- Download the Tuya Smart app from your device's app store.
- Register or log in to your Tuya account.
- Follow the app's instructions to add a new device. Ensure your control board is powered on and in pairing mode (refer to the LCD display for pairing indicators).
- Once connected, you can monitor temperatures, change operating modes, set schedules, and adjust other parameters directly from the app.
Image: Tuya Smart App Interface for Heat Pump Control
7. Maintenance
To ensure the longevity and optimal performance of your CC570N control board, follow these general maintenance guidelines:
- Regular Cleaning: Keep the LCD display and control board free from dust and debris. Use a soft, dry cloth for cleaning.
- Inspect Connections: Periodically check all wiring connections to ensure they are secure and free from corrosion.
- Software Updates: If available, keep the Tuya Smart app and control board firmware updated to benefit from the latest features and security enhancements.
- Environmental Conditions: Ensure the control board is installed in an environment within its specified operating and storage temperature ranges to prevent damage.
8. Troubleshooting
If you encounter issues with your CC570N control board, consider the following basic troubleshooting steps:
- No Power: Check the power supply connections and ensure the transformer is receiving adequate voltage. Verify the main power switch is on.
- Display Not Working: Ensure the connect wire between the mainboard and LCD is properly seated.
- Incorrect Temperature Readings: Verify that all temperature sensors are correctly connected and positioned. Check for any physical damage to the sensor wires.
- App Connectivity Issues: Ensure your smartphone has a stable internet connection and the control board is within range of your WiFi network. Restart the app and the control board if necessary.
- System Not Responding: Try power cycling the entire heat pump system (turn off, wait a few minutes, then turn back on).
For persistent issues, consult a qualified technician or contact customer support.
9. User Tips
No specific user tips are available from reviews or Q&A at this time. However, general advice for smart controllers includes:
- Optimize Schedules: Utilize the 24-hour timing function to pre-heat or pre-cool water according to your daily routine, saving energy.
- Monitor Performance: Regularly check the app for system status and temperature trends to ensure efficient operation.
- Secure WiFi: Ensure your home WiFi network is secure to protect your smart devices.
10. Warranty and Support
The TMJD MISS CC570N Heat Pump PCBA Control Board comes with a 2-year quality assurance service. For any technical assistance, warranty claims, or support inquiries, please contact the seller or manufacturer directly.