Indel B TB051NN700AE
Indel B TB51 Portable Compressor Refrigerator User Manual
Model: TB051NN700AE
1. Introduction
Thank you for choosing the Indel B TB51 Portable Compressor Refrigerator. This manual provides essential information for the safe and efficient operation of your new appliance. The TB51 offers advanced electronic technology, featuring a highly efficient Secop (Danfoss) BD35F compressor, energy-saving (ECO) function, turbo (MAX) function, and an electronic thermostat for precise temperature control and optimized power consumption.
This refrigerator is designed for versatile use, automatically switching between 12V/24V DC and 115V/230V AC power sources. It includes three levels of battery protection to safeguard your vehicle's battery. Its robust injected lid with an integrated closing system ensures durability. The TB51 is ideal for trucks, cars, off-road vehicles, RVs, boats, and yachts.
Safety Information
- Read all instructions before use.
- Ensure proper ventilation around the unit.
- Do not block ventilation openings.
- Avoid placing the unit in direct sunlight or near heat sources.
- Do not immerse the unit in water.
- Disconnect power before cleaning or maintenance.
2. Setup and Installation
The Indel B TB51 is designed for easy setup. Follow these steps for optimal performance:
Unpacking
- Carefully remove the refrigerator from its packaging.
- Inspect the unit for any signs of damage during transit. If damaged, contact your retailer immediately.
- Remove all internal packing materials and accessories.
Placement
Place the refrigerator on a stable, level surface. Ensure there is adequate space around the unit for proper ventilation, especially around the compressor and ventilation grilles. Avoid placing it in enclosed spaces without airflow.

Image: The Indel B TB51 portable refrigerator in its closed state, showing its compact design and handles.
Power Connection
The TB51 features automatic voltage switching, allowing it to operate on various power sources:
- DC Power (12V/24V): Connect the DC power cable to your vehicle's 12V or 24V outlet (e.g., cigarette lighter socket). The unit will automatically detect the voltage.
- AC Power (115V/230V): Connect the AC power cable to a standard wall outlet. The unit will automatically detect the voltage.
The Danfoss control board automatically switches between DC and AC power. The refrigerator also includes three levels of battery protection to prevent excessive discharge of your vehicle's battery. Refer to your unit's control panel for adjusting battery protection levels if available.
3. Operating Instructions
Operating your Indel B TB51 is straightforward thanks to its intuitive electronic controls.
Control Panel and Display
The electronic thermostat and display allow for easy management of the refrigerator. The display shows the current internal temperature and allows you to set the desired temperature.
Temperature Setting
- Press the 'SET' button to enter temperature adjustment mode.
- Use the '+' and '-' buttons to increase or decrease the desired temperature.
- The display will flash the set temperature and then return to showing the actual internal temperature after a few seconds.
Operating Modes (ECO/MAX)
The TB51 offers two operating modes to optimize performance and energy consumption:
- ECO Mode (Energy Saving): This mode prioritizes energy efficiency, ideal for prolonged use where power consumption is a concern. The compressor will run at a lower speed.
- MAX Mode (Turbo): This mode provides maximum cooling performance, ideal for quickly reaching the desired temperature or when ambient temperatures are high. The compressor will run at full speed.
Refer to your unit's specific control panel for instructions on how to switch between ECO and MAX modes, typically indicated by a dedicated button or a combination of buttons.
Internal LED Lighting
The refrigerator is equipped with an internal LED light for convenient visibility of contents, especially in low-light conditions.

Image: The Indel B TB51 refrigerator with its lid open, revealing the spacious interior filled with various beverages and fruits, demonstrating its capacity.

Image: A person's hands are shown organizing cans and bottles inside the open Indel B TB51 refrigerator, highlighting the removable wire basket for organization.
4. Maintenance and Care
Regular maintenance ensures the longevity and efficient operation of your Indel B TB51 refrigerator.
Cleaning the Interior
- Disconnect the power supply before cleaning.
- Use a soft cloth dampened with mild soap and water to clean the interior surfaces.
- Do not use abrasive cleaners, solvents, or harsh chemicals, as they may damage the surfaces.
- Wipe dry thoroughly before reconnecting power.
Cleaning the Exterior
- Wipe the exterior with a soft, damp cloth.
- Keep the ventilation grilles clean and free of dust and debris to ensure proper airflow to the compressor. Use a soft brush or vacuum cleaner to remove dust.
Storage
If storing the refrigerator for an extended period, ensure it is clean and dry. Leave the lid slightly ajar to prevent odors and mold growth.
5. Troubleshooting
Before contacting customer support, please refer to the following common issues and their solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Refrigerator does not turn on. | No power supply; loose connection; blown fuse; low battery voltage. | Check power cable connection; check vehicle's fuse; ensure battery voltage is sufficient (above battery protection cut-off). |
| Refrigerator is not cooling sufficiently. | Blocked ventilation; excessive ambient temperature; lid not closed properly; too much content; ECO mode active. | Ensure ventilation grilles are clear; move unit to cooler area; ensure lid is securely closed; reduce contents if overloaded; switch to MAX mode. |
| Unusual noise from the unit. | Unit not level; fan obstruction; normal compressor operation. | Place unit on a level surface; check for obstructions around the fan; some noise from the compressor is normal. |
| Error code on display. | Specific internal fault. | Consult the manufacturer's website or contact customer support with the specific error code. |
If the problem persists after attempting these solutions, please contact Indel B customer support or your retailer.
6. Specifications
Below are the technical specifications for the Indel B TB51 Portable Compressor Refrigerator:
| Feature | Specification |
|---|---|
| Brand | Indel B |
| Model Number | TB051NN700AE |
| Product Dimensions (L x W x H) | 58.5 x 35 x 53 cm (23 x 13.8 x 20.9 inches) |
| Weight | 18.5 kg (40.8 lbs) |
| Capacity | 47 Liters |
| Voltage | 12V/24V DC, 115V/230V AC (Automatic Switching) |
| Power Consumption | 55 Watts |
| Compressor Type | Secop (Danfoss) BD35F |
| Special Features | Electronic Thermostat, ECO/MAX Function, 3-level Battery Protection, Internal LED Light, Automatic Defrost System |
| Color | Light Grey/Dark Grey |
| Installation Type | Freestanding |
| Number of Doors | 1 |
7. Warranty and Support
For information regarding the warranty period and terms for your Indel B TB51 Portable Compressor Refrigerator, please refer to the documentation provided with your purchase or contact your retailer. Warranty details can also typically be found on the official Indel B website.
For technical support, spare parts, or service inquiries, please contact Indel B customer service directly or the authorized service center in your region. Keep your proof of purchase and the product's model number (TB051NN700AE) and serial number (if applicable) ready when contacting support.
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