1. Introduction
Thank you for choosing the Colku TF36D Truck Refrigerator. This portable dual-zone car freezer is designed to provide reliable cooling and freezing for your food and beverages in various environments, including trucks, cars, RVs, boats, and during outdoor camping. This manual provides essential information for the safe and efficient use of your refrigerator.

2. Safety Information
Please read all safety instructions carefully before operating the appliance to prevent injury or damage. Keep this manual for future reference.
- Ensure the power supply voltage matches the refrigerator's requirements (DC 12V/24V or AC 100-240V with adapter).
- Do not immerse the appliance in water or expose it to rain.
- Keep ventilation openings clear of obstructions.
- Do not use electrical appliances inside the food storage compartments unless they are of the type recommended by the manufacturer.
- Avoid touching cold surfaces with bare hands for extended periods to prevent frostbite.
- If the supply cord is damaged, it must be replaced by the manufacturer, its service agent, or similarly qualified persons to avoid a hazard.
3. Key Features
- Dual Zone Design: Separate compartments for freezing and refrigeration.
- Rapid Cooling: Achieves 0°C from 25°C in approximately 15 minutes.
- LED Display Control: Intuitive interface for temperature adjustment and mode selection.
- Inner LED Light: Illuminates the interior for easy visibility.
- Removable Door: Facilitates cleaning and access.
- Strong Built-in Handle: For easy portability.
- Anti-vibration Design: Ensures stable operation in moving vehicles.
- Drain Hole: For convenient defrosting and cleaning.
- Reliable Door Lock: Secures contents during transit.


4. Setup
4.1 Unpacking
Carefully remove the refrigerator from its packaging. Inspect for any damage during transit. Keep packaging materials for future transport or storage.
4.2 Placement
Place the refrigerator on a stable, level surface. Ensure adequate ventilation around the unit, especially near the compressor vents. Avoid direct sunlight or heat sources.

4.3 Power Connection
The Colku TF36D supports both DC and AC power inputs.
- DC Power (12V/24V): Use the provided DC cable (2.5 meters) to connect the refrigerator to your vehicle's 12V or 24V power outlet.
- AC Power (100-240V): For home or stationary use, connect the optional AC adapter to the refrigerator and then plug it into a standard wall outlet.

5. Operating Instructions
5.1 Control Panel Overview
The refrigerator features an intuitive LED control panel for easy operation.

5.2 Basic Operation
- Power On/Off: Press the ON/OFF button to turn the unit on or off.
- Temperature Adjustment: Use the Temp. Up (+) and Temp. Down (-) buttons to set the desired temperature for each zone. The LED display will show the current temperature.
- Turbo Mode: Press the Turbo button to activate rapid cooling. This mode quickly brings the temperature down to the set point.
- Function Select: Use the Function Select (M) button to cycle through different settings or modes, if available.
5.3 Temperature Range
The TF36D model offers a temperature range of -20°C to +10°C. The dual-zone design allows for simultaneous freezing and refrigeration.
6. Maintenance
6.1 Cleaning
- Always disconnect the power before cleaning.
- Clean the interior and exterior with a damp cloth and mild detergent. Do not use abrasive cleaners.
- The removable door facilitates thorough cleaning of the compartments.
- Use the drain hole to remove any water after defrosting or cleaning.
6.2 Defrosting
Frost may accumulate on the interior surfaces. To defrost, turn off the unit, remove all contents, and allow the frost to melt naturally. Use the drain hole to remove water. Wipe dry before restarting.

7. Troubleshooting
If you encounter issues with your Colku TF36D, please check the following common problems before contacting support:
- Unit not turning on: Ensure the power cable is securely connected and the power source (vehicle outlet or AC adapter) is functioning.
- Insufficient cooling: Check if the temperature setting is correct. Ensure ventilation openings are not blocked. Avoid placing hot items directly into the refrigerator.
- Unusual noise: Some compressor noise is normal. If the noise is excessive or unusual, ensure the unit is on a stable surface and not touching other objects.
- Error codes on display: Refer to the full product manual (if available) for specific error code meanings.
For persistent issues, please contact customer support.
8. Specifications
| Feature | TF36D |
|---|---|
| Model NO. | TF36D (Dual Zone) |
| Capacity | 9.5L Freezer, 25L Fridge (Total 36L) |
| Temperature Range | -20℃~+10℃ |
| Input Power | 55W |
| Input Voltage | DC 12V/24V |
| Material | PP (outer), HIPS (inner) |
| Refrigerant | R134a/R600a |
| Isolation | C-pentane |
| Product Size (L*W*H) | 645mm*375mm*445mm |
| Net Weight | 14.5kg |
| Cooling Mode | Freezer, Refrigerator |
| Refrigeration Type | Compressor |

9. User Tips
- Pre-cool the refrigerator at home using AC power before a trip to maximize efficiency.
- For optimal cooling, ensure the lid is securely closed after each use.
- When using in a vehicle, ensure the power outlet can provide sufficient current for the refrigerator's operation.
- Regularly check and clear any debris from the ventilation grilles to maintain cooling performance.
10. Warranty and Support
The Colku TF36D Truck Refrigerator comes with a 1-year warranty. During this period, if any problems arise, free spare parts will be provided. Repair and installation videos can also be supplied upon request.
For any inquiries or support, please refer to the contact information provided by your retailer or the manufacturer.
11. Production Overview
Watch a brief video showcasing the production process of Colku truck refrigerators.
