Introduction
This instruction manual provides comprehensive information for the AAOBOSI 24-inch Dual Zone Wine Cooler (Model YC-510B). It covers essential details regarding the setup, operation, maintenance, and troubleshooting of your wine refrigerator to ensure optimal performance and longevity. Please read this manual thoroughly before installation and use, and retain it for future reference.

Figure 1: Front view of the AAOBOSI 24-inch Dual Zone Wine Cooler.
Safety Information
To reduce the risk of fire, electric shock, or injury when using your wine cooler, follow these basic precautions:
- Read all instructions before using the appliance.
- Do not store explosive substances such as aerosol cans with a flammable propellant in this appliance.
- Ensure proper ventilation around the unit. Maintain adequate space for air circulation.
- Do not damage the refrigerant circuit.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Children should be supervised to ensure that they do not play with the appliance.
- Unplug the appliance before cleaning or performing any maintenance.
- Do not use mechanical devices or other means to accelerate the defrosting process, other than those recommended by the manufacturer.
Product Overview
The AAOBOSI Wine Cooler is designed to provide optimal storage conditions for your wine collection. Key features include a dual-zone temperature control system, a large capacity, and energy-efficient compressor cooling.
Key Features:
- Dual Zone Temperature Control: Allows for simultaneous storage of red and white wines at their ideal temperatures. The upper zone ranges from 40°F to 55°F (5°C to 13°C), and the lower zone from 55°F to 65°F (13°C to 18°C).
- Large Capacity: Accommodates up to 176 standard Bordeaux (750 ml) wine bottles across 14 beech wooden shelves. The bottom shelf is designed for larger bottles.
- Compressor Cooling System: Provides fast, strong, and stable cooling with low noise and vibration, ensuring wine sediment remains undisturbed.
- Fan Circulation System: An internal powerful fan circulates air evenly throughout the unit, preventing temperature stratification and maintaining consistent humidity.
- Double-Layer Tempered Glass Door: Offers excellent insulation and protects wine from harmful UV rays.
- Freestanding or Built-in Installation: Features a stainless steel front vent for flexible placement.
- Adjustable Shelves: Removable beech wooden shelves with rails for easy sliding.

Figure 2: Illustration of the dual temperature zones and suggested wine storage temperatures.

Figure 3: Advanced cooling and circulating system components.
Setup
Unpacking:
Carefully remove all packaging materials. Inspect the wine cooler for any shipping damage. Keep packaging materials for future transport if needed.
Placement:
Place the wine cooler on a flat, stable surface away from direct sunlight and heat sources (e.g., oven, radiator). Ensure adequate ventilation space around the unit. This model can be used freestanding or built-in due to its front-venting design.

Figure 4: Product dimensions and bottle storage layout.
Leveling:
The wine cooler is equipped with adjustable feet. Use a level to ensure the unit is perfectly level. Adjust the feet by turning them clockwise or counter-clockwise until the appliance is stable and level. Proper leveling is crucial for optimal performance and door alignment.

Figure 5: Adjustable leveling feet for stable placement.
Power Connection:
Plug the power cord into a dedicated, grounded electrical outlet. Allow the unit to stand upright for at least 24 hours before plugging it in to allow the refrigerant to settle.
Initial Cooling:
After plugging in, allow the wine cooler to operate empty for at least 2-4 hours to reach its set temperatures before loading bottles.
Operating Instructions
Control Panel:
The wine cooler features an intuitive control panel located between the upper and lower zones. This panel allows you to adjust temperatures, control lighting, and switch temperature units.

Figure 6: Digital control panel for temperature and light settings.
Temperature Adjustment:
- Press the Upper/Lower Zone button to select the zone you wish to adjust.
- Use the Increase Temperature (▲) and Decrease Temperature (▼) buttons to set your desired temperature.
- The display will show the set temperature, then revert to the actual internal temperature after a few seconds.
Light Control:
Press the Light Control button to turn the interior LED lighting on or off.
Unit Conversion:
Press the Unit Conversion button to switch the temperature display between Fahrenheit (°F) and Celsius (°C).
Power On/Off:
Press and hold the Power On/Off button to turn the unit on or off.
Adjustable Shelves:
The wooden shelves can be pulled out for easy access to bottles. They are also removable to customize storage space for larger bottles or different configurations.

Figure 7: Sliding wooden shelves for convenient bottle access.
Security Lock:
The wine cooler is equipped with a lock at the bottom of the door to secure your wine collection. Use the provided key to lock or unlock the door.
Video 1: Demonstration of the AAOBOSI Wine Cooler's features, including dual-zone temperature control, adjustable shelves, and the security lock. This video highlights the practical aspects of operating the unit.
Maintenance
Cleaning:
- Exterior: Clean the exterior surfaces with a soft cloth and mild detergent. Avoid abrasive cleaners.
- Interior: Wipe the interior with a solution of baking soda and water (2 tablespoons baking soda to 1 quart water). Rinse thoroughly and dry.
- Door Seal: Regularly clean the door gasket to ensure a proper seal, which is vital for energy efficiency.
- Shelves: The wooden shelves can be removed and wiped clean with a damp cloth. Ensure they are completely dry before returning them to the unit.
Defrosting:
The wine cooler features a frost-free defrost system, which automatically manages ice buildup. Manual defrosting is generally not required under normal operating conditions.
Charcoal Filtration System:
The unit includes a charcoal filter to maintain air quality and prevent odors. Replace the charcoal filter every 3-6 months, depending on usage and environment, to ensure optimal performance.

Figure 8: Location of the charcoal filtration system.
Troubleshooting
Before contacting customer service, please refer to the following common issues and their solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Wine cooler does not operate. | No power; circuit breaker tripped; power switch off. | Check power supply, reset circuit breaker, ensure unit is plugged in and power is on. |
| Temperature is not cold enough. | Door not closed properly; excessive door openings; warm items added; poor ventilation; unit near heat source. | Ensure door is sealed; minimize door openings; allow warm items to cool before loading; ensure proper ventilation; relocate unit if near heat source. |
| Excessive vibration. | Unit not level. | Adjust the leveling feet to ensure the unit is stable. |
| Noise from the unit. | Normal compressor operation; fan noise; rattling from bottles. | This is normal. Ensure bottles are placed securely on shelves. |
Specifications
| Attribute | Detail |
|---|---|
| Brand Name | AAOBOSI |
| Model Info | YC-510B |
| Item Weight | 244 pounds |
| Product Dimensions | 26.96 x 23.54 x 75.79 inches |
| Installation Type | Freestanding |
| Form Factor | Wine Cellar |
| Color | Silver, Black |
| Shelves | 14 |
| Defrost | Frost Free |
| Number Of Doors | 1 |
| Refrigerant | R-600A |
| Finish Type | stainless steel |
Warranty and Support
For warranty information, please refer to the documentation included with your purchase or contact AAOBOSI customer service. If you encounter any issues not covered in the troubleshooting section, or require further assistance, please contact AAOBOSI support directly.
You can often find support contact details on the manufacturer's official website or through your retailer.





