1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your ELECHICO CC305 Heat Pump Controller. This advanced control board is designed for both air source and water source heat pump systems, offering precise temperature management and convenient WiFi app control. Please read this manual thoroughly before installation and operation to ensure safe and efficient use.
2. Package Contents
Verify that all items listed below are included in your package. If any items are missing or damaged, please contact your supplier.
- ELECHICO CC305 Control Board (PCBA)
- LCD Display Unit
- Temperature Sensors (NTC type)
- Transformer
- Connection Cables
- Junction Box (optional, may vary)
3. Specifications
The following table outlines the technical specifications of the ELECHICO CC305 Heat Pump Controller:
| Feature | Specification |
|---|---|
| Brand | ELECHICO |
| Model | CC305 |
| Product Type | Heat pump hot water controller |
| Application | Air source heat pump, Water source heat pump |
| Power Type | Electricity |
| Power Supply | 220 ± 10%(VAC), 50/60Hz |
| Power Consumption | < 12 watts |
| Sensor Type | NTC (5KOhm/25 ° C, B value 3470k) |
| Measuring Range | -30 ° C to 99 °C |
| Installation Size | 110 x 90 x 35mm |
| Control Modes | Heating and cooling |
| Mobile APP Control | Yes |
| Operating Language | English |
| Shell Material | Plastic |
| Energy Efficiency Class | Category A |
| Function | Environmental protection |
| Thermal Storage/Instant | Storage |
| Intended Use | Household, Bathroom |
4. Installation
Proper installation is crucial for the safe and effective operation of the heat pump controller. It is recommended that installation be performed by a qualified technician.
4.1 Physical Installation
The control board and display unit should be mounted in a dry, protected location, away from direct sunlight, excessive heat, or moisture. Ensure adequate ventilation around the control board. The installation size for the controller is 110x90x35mm.
4.2 Wiring Diagram
Refer to the detailed wiring diagram below for connecting the controller to your heat pump system components. Ensure all connections are secure and comply with local electrical codes.
Key connections:
- Power Input: Connect 220V ± 10%(VAC), 50/60Hz to the designated terminals (L 220V input, N 220V input).
- Transformer: Connect the primary side of the transformer to the AC input and the secondary side (12V/800mA) to the control board's 12V input.
- Compressor: Connect the compressor to the OUT2 terminal.
- Valves: Connect the four-way valve, water pump, and electric heating elements to their respective relay outputs (RY1, RY2, RY3, RY4, RY5).
- Sensors: Connect NTC sensors for water outlet temperature, ambient temperature, discharge temperature, suction temperature, coil temperature, and water tank temperature to their corresponding inputs (A0-A6).
- Switches: Connect high pressure switch, low pressure switch, water flow switch, and line switch to their respective inputs (HP, LP, WFL, LS).
- Electronic Expansion Valve (EEV): Connect the EEV to its dedicated control terminals.
- Display Unit: Connect the LCD display unit to the CN11 port.
- Running Indicator: LED for running status.
Important: Always disconnect power before making or changing any wiring connections.
5. Operation
The ELECHICO CC305 Heat Pump Controller can be operated via its LCD display unit or through a mobile application.
5.1 LCD Display Unit
The LCD display provides real-time status and allows for direct control of the heat pump settings.
Basic Controls:
- Power Button: Turns the unit ON/OFF.
- Mode Button (M): Cycles through operating modes (e.g., Heating, Cooling, Auto).
- Up/Down Arrows: Adjust temperature settings or navigate menu options.
- Set Button: Confirms selections or enters setting menus.
The display shows current temperature, set temperature, operating mode, and other system status indicators.
5.2 Mobile App Control (WiFi)
The controller supports WiFi connectivity for remote monitoring and control via a dedicated mobile application. This feature allows you to manage your heat pump settings from your smartphone.
Setup Steps:
- Download the official ELECHICO heat pump control app from your smartphone's app store.
- Ensure your heat pump controller is powered on and within range of your WiFi network.
- Follow the in-app instructions to connect the controller to your WiFi network and pair it with your smartphone.
- Once connected, you can monitor temperatures, change operating modes, set schedules, and adjust other parameters remotely.
6. User Tips
- For optimal performance, ensure all temperature sensors are correctly positioned and securely connected.
- Regularly check the mobile app for firmware updates to ensure you have the latest features and improvements.
- If experiencing connectivity issues with the WiFi app, try restarting both your router and the heat pump controller.
7. Troubleshooting
This section provides solutions to common issues you might encounter with your heat pump controller.
7.1 Common Issues and Solutions
| Problem | Possible Cause | Solution |
|---|---|---|
| Controller not powering on | No power supply; loose wiring | Check power connections and ensure the main power switch is ON. Verify transformer output. |
| Incorrect temperature readings | Faulty sensor; improperly installed sensor | Check sensor connections. Ensure sensors are correctly placed and not damaged. Replace if necessary. |
| WiFi app not connecting | Incorrect WiFi password; out of range; network issue | Verify WiFi password. Move controller closer to router. Restart router and controller. |
| Heat pump not responding to commands | Incorrect wiring; system fault | Review wiring diagram (Figure 2). Check for error codes on the display. Consult a technician if the problem persists. |
If you encounter issues not listed here or if the suggested solutions do not resolve the problem, please contact customer support.
8. Maintenance
The ELECHICO CC305 Heat Pump Controller requires minimal maintenance to ensure long-term reliability.
- Cleaning: Periodically wipe the LCD display and controller housing with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Connections: Annually inspect all wiring connections for tightness and signs of corrosion.
- Software Updates: Keep the mobile application and controller firmware updated as new versions become available.
For any internal maintenance or repairs, it is strongly recommended to seek assistance from a qualified service professional.
9. Support
For further assistance, technical support, or inquiries, please contact your supplier or the manufacturer directly.
Contact Information:
- WhatsApp: +8613377708752
- E-mail: FYeLeafStore@163.com
Please have your product model (CC305) and a description of your issue ready when contacting support.
10. Production Quality
The ELECHICO CC305 Heat Pump Controller undergoes rigorous quality control processes, including SMT production, AOI testing, conformal coating, and functional testing, to ensure high reliability and performance.
