1. Introduction
This manual provides essential information for the safe and efficient operation of your COSTWAY 20-Inch Dual Zone Wine Cooler Refrigerator. Please read these instructions thoroughly before installation and use, and retain them for future reference.
The COSTWAY wine cooler is designed to store up to 43 standard 750ml wine bottles across two independent temperature zones. It features a frost-free cooling system, LED display for precise temperature control, and a double-layer tempered glass door for optimal wine preservation.

Image 1.1: The COSTWAY 20-inch dual zone wine cooler refrigerator, showcasing its sleek design and capacity for multiple wine bottles, positioned in a kitchen environment.
2. Safety Information
WARNING: To reduce the risk of fire, electric shock, or injury, follow these basic precautions:
- Read all instructions before using the appliance.
- Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
- Keep ventilation openings, in the appliance enclosure or in the built-in structure, clear of obstruction.
- 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.
- Before cleaning or maintenance, always unplug the appliance from the power outlet.
- Ensure the appliance is properly grounded.
- Do not use mechanical devices or other means to accelerate the defrosting process, other than those recommended by the manufacturer.
3. Package Contents
Verify that all items listed below are present and in good condition upon unpacking:
- 1 x COSTWAY Wine Cooler Refrigerator
- 8 x Wooden Shelves
- 1 x User Guide (This document)
4. Setup and Installation
4.1 Placement
The wine cooler can be installed as a freestanding unit or built into cabinetry. Ensure adequate ventilation space around the unit, especially at the rear and sides, if freestanding. If built-in, follow the manufacturer's recommended clearances for proper airflow.
- Place the appliance on a flat, solid surface capable of supporting its weight when fully loaded.
- Avoid direct sunlight or heat sources (e.g., oven, radiator, direct window exposure).
- Maintain a minimum of 2 inches (5 cm) clearance from walls or other appliances for proper air circulation.
4.2 Leveling the Appliance
The wine cooler is equipped with adjustable foot pads to ensure stability and proper door alignment. Use a level to check the appliance and adjust the feet as necessary by turning them clockwise or counter-clockwise.

Image 4.1: Detail showing the adjustable foot pad, which helps ensure the wine cooler is level and stable on various surfaces.
4.3 Power Connection
Before plugging in, ensure the voltage specified on the rating label matches your household power supply. Allow the unit to stand upright for at least 2-4 hours before connecting it to power. This allows the refrigerant to settle.
- Plug the appliance into a dedicated, grounded 120V, 60Hz electrical outlet.
- Do not use extension cords or ungrounded adapters.
5. Operating Instructions
5.1 Control Panel Overview
The control panel is located at the top of the unit, featuring an LED display and touch controls for managing temperature and other functions.

Image 5.1: The LED display and control buttons, including Power, Light, Temperature Set for Top and Bottom Zones, Up/Down arrows, and Key Lock, are clearly visible.
- Power Switch: Turns the unit on or off.
- Light: Activates or deactivates the interior blue LED light.
- F/C Selector: Toggles temperature display between Fahrenheit (°F) and Celsius (°C).
- Temp Set (Top Zone / Bottom Zone): Selects the zone for temperature adjustment.
- Up / Down Arrows: Adjusts the set temperature for the selected zone.
- Key Lock: Locks or unlocks the control panel to prevent accidental changes.
5.2 Dual Zone Temperature Control
This wine cooler features two independent temperature zones, allowing for optimal storage of different wine types.

Image 5.2: Visual representation of the dual temperature zones, showing the upper zone (41-54°F) and lower zone (54-64.5°F) with suggested temperature ranges for sparkling, dry white, sweet, brandy, and red wines.
- Upper Zone Temperature Range: 41°F - 54°F (5°C - 12°C)
- Lower Zone Temperature Range: 54°F - 64.5°F (12°C - 18°C)
To set the temperature:
- Press the "Temp Set" button for either the Top Zone or Bottom Zone.
- Use the "Up" or "Down" arrows to adjust the desired temperature. The display will flash while setting and then return to the actual internal temperature.
- The unit will automatically adjust to reach the set temperature.
5.3 Loading Wine Bottles
The wine cooler is designed to hold up to 43 standard 750ml wine bottles. The wooden shelves are removable to accommodate larger bottles if necessary, though this will reduce the overall capacity.

Image 5.3: The wine cooler's dimensions (20"D x 20"W x 44.5"H) are shown alongside a standard wine bottle (11.8"H x 2.75"D) and a wooden shelf (17"L x 12"W x 1"H), illustrating bottle capacity and shelf size.
- Ensure bottles are placed securely on the wooden shelves to prevent rolling.
- Do not overload shelves beyond their weight capacity (16.5 lbs per shelf).
- Allow sufficient space between bottles for proper air circulation.
6. Maintenance
6.1 Cleaning the Interior
Regular cleaning helps maintain hygiene and efficiency.
- Unplug the appliance before cleaning.
- Remove all bottles and shelves.
- Wash the interior with a mild detergent and warm water solution. Avoid abrasive cleaners.
- Rinse thoroughly and wipe dry with a clean cloth.
- Clean shelves with a damp cloth and dry them completely before returning them to the unit.
6.2 Cleaning the Exterior
Wipe the exterior surfaces with a soft, damp cloth. For stainless steel parts, use a stainless steel cleaner if necessary, following the product instructions. Avoid harsh chemicals or abrasive pads.
6.3 Door Seal Maintenance
Inspect the door seal regularly for cracks or damage. A clean and intact door seal ensures proper insulation and energy efficiency. Clean the seal with a mild detergent and warm water.

Image 6.1: Detail of the double seal design on the wine cooler door, highlighting its role in improving heat preservation and preventing condensation.
7. Troubleshooting
Before contacting customer service, review the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Appliance does not operate. | No power supply. Power cord not plugged in. Circuit breaker tripped. | Check power outlet. Ensure power cord is securely plugged in. Reset circuit breaker. |
| Temperature is not cold enough. | Door not closed properly. Frequent door openings. Ambient temperature too high. Air vents blocked. Temperature setting too high. | Ensure door is fully closed. Reduce frequency of door openings. Move appliance to a cooler location. Clear any obstructions from vents. Lower the set temperature. |
| Excessive noise. | Appliance not level. Objects touching the back of the unit. Normal compressor operation. | Adjust leveling feet. Ensure clearance from walls. Some operational noise is normal. |
| Vibration. | Appliance not level. Loose parts. | Adjust leveling feet. Contact customer support if persistent. |
| Moisture buildup inside. | High humidity. Door not sealed properly. Frequent door openings. | Ensure proper ventilation. Check door seal for damage. Reduce frequency of door openings. |
8. Specifications
| Brand: | COSTWAY |
| Model Number: | 10091US-SL-CYJV |
| Overall Dimensions: | 20"D x 20"W x 44.5"H |
| Material: | Stainless Steel, Wood (shelves) |
| Color: | Black, Silver |
| Capacity: | 43 Standard 750ml Wine Bottles |
| Input Voltage: | 120V, 60Hz |
| Input Power: | 90W |
| Upper Temperature Range: | 41°F - 54°F (5°C - 12°C) |
| Lower Temperature Range: | 54°F - 64.5°F (12°C - 18°C) |
| Number of Shelves: | 8 (Wooden) |
| Weight Capacity per Shelf: | 16.5 lbs |
| Net Weight: | 89 lbs |
| Defrost System: | Frost Free |
| Noise Level: | ≤ 42dB |
9. Warranty and Customer Support
For warranty information or technical assistance, please contact COSTWAY customer support. Refer to your purchase documentation for specific warranty terms and contact details.
You may also visit the official COSTWAY website for support resources.





