Introduction
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of your Colku G40 24V Truck Rooftop Air Conditioner Cooler. Designed for heavy trucks, this unit offers powerful and energy-efficient cooling, ensuring a comfortable environment during parking or rest periods. Please read this manual thoroughly before installation and use to ensure proper function and longevity of the product.
Specifications
The Colku G40 is a high-performance rooftop air conditioning unit designed for vehicle applications.
| Feature | Specification |
|---|---|
| Model Number | G40 |
| Cooling Capacity | 2600W / 8840 BTU |
| EER (COP) | 3.25 |
| Input Voltage | DC 24V |
| Refrigerant | R410A |
| Working Temperature Range | 16℃ - 43℃ |
| Temperature Setting Range | 15℃ - 30℃ |
| Current Consumption | 15-36A (at 35℃ ambient temp) |
| Evaporator Air Volume | 380m³/h |
| Air Distributor Size (L*W*H) | 350mm * 345mm * 140mm |
| Outer Body Size (L*W*H) | 976mm * 894mm * 215mm |
| Net Weight | 32 kg |
| Gross Weight (Package) | 40 kg |
| Compressor Type | Rotary DC Inverter Compressor (GMCC New Generation) |
| Battery Protection | Ten-level battery protection system |
| Noise Level | Approx. 55dB (Colku G40) |
Note: Data is measured by the laboratory and may vary in practice.
Installation Steps
The Colku G40 is designed for quick and easy installation, typically within 1 hour. Special mounting kits are available for different truck models. Follow these steps for proper installation:
- Prepare the Sunroof Opening: Remove the existing sunroof and thoroughly clean the area around the opening on the truck roof.
- Apply Sealant: Paste the provided sealant around the edge of the sunroof opening to ensure a watertight seal.
- Apply Glass Adhesive: Apply glass adhesive over the sealant for enhanced sealing and adhesion.
- Fix Base Plate Nuts: Fix the nuts into the holes of the base plate of the outdoor unit.
- Position Air Outlet: Carefully put the air outlet (indoor unit) into the sunroof opening from inside the cab.
- Secure Air Outlet: Fix the air outlet in the cab using screws, ensuring it is firmly attached.
- Install Mounting Panel: Install the mounting panel with screws to further secure the indoor unit.
- Connect Power: Connect the power cord from the air conditioner unit directly to the vehicle's 24V battery. Ensure correct polarity and secure connections.
Important: Ensure all connections are secure and sealed to prevent leaks and ensure optimal performance. If you are unsure about any step, consult a qualified technician.
Operating Instructions
The Colku G40 features an upgraded wide-angle air outlet and multiple adjustment modes for optimal comfort.
- Air Volume: The evaporator air volume is 380m³/h, designed to quickly drop the temperature inside the vehicle.
- Adjustment Modes: The unit offers 4 types of adjustment modes to suit various cooling needs.
- Wind Speed: Adjust the wind speed with 5 gear settings for personalized airflow.
- Temperature Control: Set your desired temperature between 15℃ and 30℃ using the indoor control panel.
- Energy Efficiency:
- During the day, use the strong cooling mode for approximately 5 hours of operation.
- At night, switch to power saving mode for extended usage up to 10.5 hours.
- Battery Protection: The integrated ten-level battery protection system prevents your vehicle's battery from running out, ensuring you can always start your engine.
- Low Noise Operation: The G40 operates at approximately 55dB, providing a comfortable and quiet sleeping environment.
Maintenance
Regular maintenance ensures the longevity and efficient operation of your Colku G40 air conditioner. While specific detailed instructions are not provided, general maintenance practices for vehicle air conditioning units include:
- Clean Air Filters: Periodically check and clean or replace the air filters in the indoor unit to maintain optimal airflow and cooling efficiency.
- Inspect Condenser Coils: Ensure the outdoor condenser coils are free from dirt, leaves, and other debris. Clean gently with a soft brush or water spray if necessary.
- Check for Leaks: Regularly inspect all connections and hoses for any signs of refrigerant leaks. Address any leaks promptly.
- Battery Health: Monitor your vehicle's battery health, especially since the unit draws power from it. Ensure the battery is fully charged and in good condition.
- Professional Service: For refrigerant recharges or complex issues, it is recommended to seek professional service from a qualified HVAC technician.
Troubleshooting
This section provides general guidance for common issues. For more complex problems, please contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power supply; Low battery voltage; Blown fuse. | Check battery connections; Ensure battery is charged; Check vehicle fuses. The 10-level battery protection system might have shut off the unit to save battery. |
| Insufficient cooling | Dirty air filter; Blocked condenser coils; Low refrigerant level; Incorrect temperature setting. | Clean or replace air filter; Clean condenser coils; Check refrigerant level (professional service recommended); Adjust temperature setting. |
| Unusual noise during operation | Loose components; Debris in fan; Compressor issue. | Inspect for loose parts and tighten; Remove any debris from fan blades; If compressor noise persists, contact support. |
| Water leakage | Improper installation/sealing; Clogged drain hose. | Re-check installation and sealing around the sunroof; Clear any blockages in the condensate drain hose. |
User Tips
- To maximize cooling efficiency, ensure all windows and doors of the truck cab are closed during operation.
- Utilize the power-saving mode during extended parking or overnight stays to conserve battery life.
- Regularly check the vehicle's battery voltage, especially before long periods of AC use, to prevent unexpected discharge.
- Consider the ambient temperature when setting the desired cooling level; the unit performs optimally within its specified working temperature range (16℃-43℃).
Warranty and Support
The Colku G40 Air Conditioner comes with a 1-year warranty. During this period, if any problems arise, free spare parts will be provided. The manufacturer can also provide repair and installation videos to assist with issues.
For technical support, warranty claims, or further assistance, please contact your seller or the manufacturer directly. Ensure you have your product model number (G40) and proof of purchase available when contacting support.
Colku Electrical Appliance Ltd. has been specializing in mobile refrigeration for over 25 years, offering comprehensive support and services.
