1. Important Safety Instructions
Before using your Ultrean Air Fryer, please read all instructions carefully and retain them for future reference. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Read the Manual: Always read the user manual thoroughly before initial use, even if you are familiar with similar products.
- Placement: Do not place any part of the Air Fryer on or near hot appliances such as gas or electric burners, heated ovens, or other cooking equipment. Exposure to excessive heat or fire can melt plastic components and cause a fire hazard.
- Power Supply: Before connecting the device to a power outlet, ensure that the supply voltage indicated on the rating plate matches your local main supply voltage.
- Ventilation: Ensure adequate air circulation around the air fryer during operation. Do not block air vents.
- Supervision: Close supervision is necessary when any appliance is used by or near children.
- Cleaning: Always unplug the air fryer from the power outlet before cleaning. Allow it to cool completely.
- Water and Moisture: Do not immerse the appliance, cord, or plug in water or other liquids.
- Damaged Cord/Plug: Do not operate any appliance with a damaged cord or plug, or after the appliance malfunctions or has been damaged in any manner.
2. Product Overview
The Ultrean 9-Quart Air Fryer is designed for efficient and healthy cooking with minimal oil. It features a large capacity, intuitive LCD touch control panel, and rapid air circulation technology.
2.1 Components
- Main Unit with LCD Touch Control Panel
- Removable Nonstick Basket
- Crisper Plate
- Power Cord

Image: The Ultrean 9-Quart Air Fryer, showcasing its sleek design and digital display.
3. Setup and First Use
3.1 Unpacking
- Remove all packaging materials, stickers, and labels from the air fryer.
- Check that all components are present and undamaged.
3.2 Initial Cleaning
- Wash the removable basket and crisper plate with warm, soapy water. Rinse thoroughly and dry completely.
- Wipe the interior and exterior of the main unit with a damp cloth. Do not immerse the main unit in water.
3.3 Reducing New Appliance Odor
To minimize the 'new appliance' smell before first use:
- Place a few slices of lemon into the air fryer basket.
- Preheat the air fryer at 400°F (200°C) for 10-15 minutes.
- After cooling, wash the accessories in soapy water and wipe the oven with a damp cloth.
3.4 Placement
Place the air fryer on a stable, heat-resistant surface, ensuring at least 6 inches (15 cm) of clear space around the back and sides for proper ventilation.
4. Operating Instructions
The Ultrean Air Fryer features an intuitive LCD touch control panel for easy operation.

Image: Close-up of the intuitive LCD touch control panel, showing temperature and time adjustments.
4.1 Basic Operation
- Prepare Food: Place food in the air fryer basket. Do not overfill.
- Insert Basket: Slide the basket firmly into the main unit until it clicks into place. The air fryer will not operate if the basket is not fully inserted.
- Power On: Plug the power cord into a grounded electrical outlet. The display will illuminate.
- Set Temperature and Time: Use the 'TEMP' and 'TIME' buttons, along with the '+' and '-' icons, to adjust the desired cooking temperature (180°F to 450°F) and time (1 to 60 minutes).
- Start Cooking: Press the Power/Start/Pause button to begin the cooking process. The breathing lamp on the screen indicates operation.
- Pause/Resume: Press the Power/Start/Pause button during cooking to pause. Press again to resume.
- Shake Reminder: For even cooking, some recipes may require shaking the basket halfway through. The air fryer may beep to remind you.
- End of Cooking: The air fryer will beep when the cooking time is complete. Carefully remove the basket and transfer food.
4.2 Using Presets
The air fryer includes 6 versatile cooking presets for common dishes:

Image: Display showing the 6 versatile cooking presets for various food types.
- After inserting the food-filled basket, press the desired preset icon (e.g., Chicken, Steak, Fish, Shrimp, Bake, French Fries).
- The air fryer will automatically set the optimal temperature and time for that selection.
- You can manually adjust the temperature and time even after selecting a preset if needed.
- Press the Power/Start/Pause button to begin cooking.
4.3 Rapid Air Circulation Technology

Image: Diagram illustrating the 360° hot air circulation within the air fryer, ensuring even cooking.
The Ultrean Air Fryer utilizes 360° hot air circulation and 1750 watts of power to cook food quickly and evenly, using up to 80% less fat compared to traditional deep frying methods.
5. Maintenance and Cleaning
Regular cleaning ensures optimal performance and extends the lifespan of your air fryer.
5.1 Daily Cleaning
- Unplug and Cool: Always unplug the air fryer and allow it to cool completely before cleaning.
- Basket and Crisper Plate: The nonstick basket and crisper plate are dishwasher safe. Alternatively, wash them with warm, soapy water and a non-abrasive sponge. Avoid using metal utensils or abrasive cleaning materials that can damage the nonstick coating.
- Interior: Wipe the interior of the air fryer with a damp cloth. For stubborn food residue, use a mild detergent.
- Exterior: Wipe the exterior with a damp cloth. Do not use harsh chemicals or abrasive cleaners.
5.2 Storage
Ensure the air fryer is clean and dry before storing. Store it in a cool, dry place.
6. Troubleshooting
If you encounter issues with your Ultrean Air Fryer, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Air fryer does not turn on. | Not plugged in; basket not fully inserted; power outage. | Ensure plug is securely in outlet; push basket in completely; check household circuit breaker. |
| Food is not cooked evenly. | Basket is overcrowded; food not shaken/flipped. | Cook in smaller batches; shake or flip food halfway through cooking. |
| White smoke coming from appliance. | Grease residue from previous use; high-fat food. | Clean basket and crisper plate thoroughly; remove excess oil from food before air frying. |
| Appliance smells during first use. | Manufacturing residue. | Perform the initial lemon preheating step as described in Section 3.3. |
7. Specifications
| Feature | Specification |
|---|---|
| Brand | ULTREAN |
| Model Number | AFT08501-UL |
| Capacity | 9 Quarts (8.5 Liters) |
| Power/Wattage | 1750 Watts |
| Voltage | 120 Volts (AC) |
| Product Dimensions | 41.91 x 31.24 x 35.31 cm |
| Material | Plastic |
| Special Features | Temperature Control, Auto Shut-off, 6 Presets |
| Temperature Range | 180°F to 450°F |
| Timer Range | 1 to 60 minutes |
8. Warranty and Customer Support
Ultrean is committed to providing quality products and customer satisfaction. Your Ultrean Air Fryer is covered by a 12-month free replacement warranty from the date of purchase.
If you have any concerns about your product, require assistance, or need to claim warranty service, please contact Ultrean customer service. Have your model number (AFT08501-UL) and proof of purchase ready when contacting support.
For the most up-to-date contact information, please refer to the official Ultrean website or your purchase documentation.





