1. Introduction
Thank you for choosing the MUDIRO MR-Z55 Car Refrigerator. This portable fridge freezer is designed to provide reliable and efficient cooling for your food and beverages, whether you're on the road, camping, or enjoying outdoor adventures. Featuring an advanced dual-zone system, energy-efficient compressor, and versatile power options, the MR-Z55 ensures your items stay at optimal temperatures.
2. Safety Information
Please read all safety warnings and instructions carefully before using this appliance to prevent injury or damage. Keep this manual for future reference.
- Ensure the refrigerator is placed on a stable, level surface to prevent tipping.
- Do not block ventilation openings; ensure adequate airflow around the unit.
- Avoid exposing the unit to direct sunlight or heat sources.
- Do not immerse the unit in water or expose it to rain.
- Use only the provided power cables and ensure they are correctly connected.
- Disconnect power before cleaning or performing maintenance.
- Keep children away from the appliance, especially when it is operating.
- Do not store explosive substances such as aerosol cans with a flammable propellant in this appliance.
3. Package Contents
Verify that all items are included in your package:
- 1 x MUDIRO MR-Z55 Car Refrigerator
- 1 x DC 12V Car Connection Cable
- 1 x AC Power Cord (for 100-240V AC input)
- 1 x User Manual
4. Specifications
| Feature | Specification |
|---|---|
| Brand | MUDIRO |
| Model | MR-Z55 |
| Capacity | 55 Liters |
| Input Voltage | DC 12V/24V, AC 100-240V |
| Temperature Control Range | -20°C to 20°C (-4°F to 68°F) |
| Cryogen | R600a |
| Insulation Material | Polyurethane Foam |
| Rated Power | 45W ± 20% |
| Rated Current | 3.75A (12V) / 1.875A (24V) |
| Net Weight | 17.4 kg |
| Product Size (L x W x H) | 753 x 441 x 517 mm |
5. Setup
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Unpacking:
- Carefully remove the refrigerator from its packaging.
- Inspect the unit for any signs of damage. If damaged, do not use and contact customer support.
- Ensure all package contents listed in Section 3 are present.
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Positioning:
- Place the refrigerator on a firm, level surface.
- Allow at least 10 cm (4 inches) of space around all sides for proper ventilation.
- Avoid placing the unit near heat sources or in direct sunlight.
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Power Connection:
The MR-Z55 supports three main power supply methods:
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DC 12V/24V (Car Power): Connect the DC car connection cable to the refrigerator's DC input port and then to your vehicle's 12V or 24V power outlet (cigarette lighter socket). The unit features built-in voltage detection and low voltage protection to prevent car battery over-discharging.
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AC 100-240V (Home Power): Connect the AC power cord to the refrigerator's AC input port and then to a standard wall outlet.
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Solar Panel + Power Station: For off-grid use, the unit can be powered via a compatible solar panel and power station setup (cables and power station sold separately).
Figure 3: Three Ways of Power Supply -
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Initial Power-On:
- After connecting to power, press the 'On/Off' button on the control panel to turn on the refrigerator.
- Allow the unit to run for at least 30 minutes to reach the desired temperature before loading items.
6. Operating Instructions
The MR-Z55 features a user-friendly digital control panel for easy temperature management.
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Control Panel Functions:
- Temperature Display: Shows the current temperature of each zone.
- Left/Right Box Refrigeration Switch: Allows independent control of the two compartments, enabling one to be a fridge and the other a freezer, or both to be the same.
- Child Lock Button: Activates/deactivates the child lock feature to prevent accidental changes to settings.
- Temperature Drop Button (-): Decreases the target temperature.
- Temperature Rise Button (+): Increases the target temperature.
- On/Off Button: Powers the unit on or off.
- Set Button: Used to confirm temperature settings or enter menu options.
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Setting Temperature:
- Press the 'Set' button to select the zone you wish to adjust (left or right).
- Use the '+' and '-' buttons to set your desired temperature.
- The temperature will automatically set after a few seconds of inactivity or by pressing 'Set' again.
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Dual Zone Operation:
The MR-Z55 features an intelligent dual temperature zone function, allowing you to configure each compartment independently.
Figure 5: Independently Controlled Temperature Zones - Use the 'Left/Right Box Refrigeration Switch' to toggle between controlling the left or right compartment's temperature.
- You can set one compartment for refrigeration (e.g., 0°C to 10°C) and the other for freezing (e.g., -18°C to -20°C).
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Battery Protection:
The unit includes a 3-stage battery protection system to prevent your vehicle's battery from draining completely. You can typically adjust this setting (H/M/L for High/Medium/Low protection) via the control panel or a dedicated button. Refer to the detailed instructions in the full user manual for specific adjustment procedures.
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Built-in LED Lighting:
The interior of the refrigerator is equipped with LED lighting for convenience, especially during nighttime use.
Figure 6: Built-in LED Lighting
7. Maintenance
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Cleaning:
- Always disconnect the power supply before cleaning.
- Wipe the interior and exterior surfaces with a damp cloth and mild detergent.
- Do not use abrasive cleaners or harsh chemicals.
- The unit features a drain plug for convenient cleaning and defrosting. Open the drain plug to allow water to escape.
Figure 7: Drain Plug for Convenient Cleaning -
Storage:
- When not in use for extended periods, ensure the unit is clean and dry.
- Store in a cool, dry place with the lid slightly ajar to prevent odors and mold growth.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Refrigerator not turning on |
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| Unit not cooling sufficiently |
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| Display error codes |
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9. Warranty and Support
MUDIRO products are manufactured to high-quality standards. For warranty information, technical support, or service inquiries, please refer to the warranty card included with your purchase or contact MUDIRO customer service directly. Please have your model number (MR-Z55) and purchase date available when contacting support.





