Important Safety Instructions
Please read all instructions carefully before using this appliance. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always ensure the power supply matches the voltage specified on the rating label.
- Do not immerse the appliance, plug, or cord in water or other liquids.
- Unplug from the outlet when not in use, before cleaning, or before moving the appliance.
- Keep the appliance out of reach of children and pets.
- Do not operate any appliance with a damaged cord or plug, or after the appliance malfunctions or has been damaged in any manner.
- Do not block air openings or operate on soft surfaces where openings may be blocked.
- Use only on a flat, stable surface to prevent tipping.
- Do not use outdoors.
- Do not use near flammable materials or open flames.
- Always ensure the water tank is securely in place before operation.
Product Overview
The Air Choice WTF-40 is a versatile 3-in-1 device functioning as an evaporative cooler, tower fan, and humidifier. It features a 40-inch tall design with 70° oscillation, multiple speed and mode settings, an 8-hour timer, and comes with two ice packs for enhanced cooling.
Key Features:
- 40-Inch Height & 70° Oscillation: Provides wide-area cooling up to 120 sq. ft.
- 3-in-1 Functionality: Operates as an air cooler, tower fan, and humidifier.
- Energy Saving & Ultra Quiet: Designed for efficient operation with minimal noise, featuring an 8-hour timer and a screen that turns off after 10 minutes of inactivity.
- Multiple Modes & Speeds: Offers Normal, Natural, and Sleep modes with 3 wind speed settings.
- Portable & Safe Design: Lightweight (9.40 lbs) with a convenient carry handle, anti-toppling base, and a tiny fence to prevent accidental insertion.
- Removable Water Tank: Easy to fill, clean, and maintain.
- LCD Panel & Remote Control: Intuitive controls for convenient operation.
- Includes 2 Ice Packs: For enhanced cooling performance.
Components:
Familiarize yourself with the main components of your Air Choice Evaporative Cooler.

Figure 1: Overview of the Air Choice Evaporative Cooler's functions including fan, humidifier, ice boxes, and 70° oscillation.

Figure 2: Close-up of the LED control panel and included remote control for the Air Choice Evaporative Cooler.

Figure 3: The anti-toppling base design of the Air Choice Evaporative Cooler, demonstrating stability.

Figure 4: Illustration of the three adjustable modes: Normal, Natural, and Sleep, available on the Air Choice Evaporative Cooler.
Setup Instructions
Follow these steps to set up your Air Choice Evaporative Cooler for first-time use.
1. Base Assembly:
- Carefully remove the main unit and base components from the packaging.
- Align the two halves of the circular base and secure them together.
- Place the main unit onto the assembled base, ensuring the screw holes align.
- Use the provided screws to firmly attach the main unit to the base.
- Route the power cord through the designated channel in the base for stability.
Video 1: Demonstrates the assembly of the base and initial setup of the Air Choice Evaporative Cooler.
2. Water Tank and Ice Pack Preparation:
- Locate the water tank at the bottom rear of the unit.
- Unlatch the clips and carefully pull out the water tank.
- Fill the provided ice packs with water (if not pre-filled) and place them in a freezer until completely frozen.
- Once frozen, place the ice packs into the empty water tank.
- Fill the water tank with clean, cool water up to the "MAX" line indicated on the tank. Do not overfill.
- Carefully slide the water tank back into the unit and secure the clips. Ensure the pump mechanism is properly seated.

Figure 5: Illustrates the strong cooling effect achieved by placing ice boxes into the water tank.

Figure 6: Depicts the humidification function, helping to alleviate summer dryness.
Operating Instructions
Your Air Choice Evaporative Cooler can be operated using the touch control panel on the top of the unit or the included remote control.
Control Panel / Remote Functions:
- Power Button (
): Turns the unit On or Off. - Speed Button (
): Cycles through 3 wind speeds: Low, Medium, High. - Mode Button (
): Selects between Normal, Natural, and Sleep modes.- Normal Mode: Constant airflow at selected speed.
- Natural Mode: Simulates natural breeze with varying wind speeds.
- Sleep Mode: Gradually decreases fan speed for quiet operation during sleep.
- Oscillation Button (
): Activates or deactivates the 70° oscillation feature. - Cooling/Humidification Button (
): Activates the evaporative cooling and humidification function. Ensure the water tank is filled. - Timer Button (
): Sets the auto-off timer for up to 8 hours.
Video 2: Demonstrates various operating modes and functions of the Air Choice Evaporative Cooler's control panel.
Maintenance
Regular maintenance ensures optimal performance and longevity of your evaporative cooler.
1. Cleaning the Water Tank:
- Unplug the unit from the power outlet.
- Remove the water tank as described in the Setup section.
- Empty any remaining water.
- Clean the tank with a soft cloth and mild detergent. Rinse thoroughly with clean water.
- Ensure the water pump and associated tubing are free from debris.
- Reinstall the clean water tank.
2. Cleaning the Filter:
- Unplug the unit.
- The filter is located behind the rear grille. Carefully remove the grille and then the filter.
- Rinse the filter under running water to remove dust and debris. For stubborn dirt, use a soft brush.
- Allow the filter to air dry completely before reinserting.
- Reattach the grille.
3. Storage:
- Before storing, ensure the water tank is empty and clean, and the filter is dry.
- Store the unit in a cool, dry place, away from direct sunlight and extreme temperatures.
- It is recommended to store the unit in its original packaging to protect it from dust and damage.
Troubleshooting
Refer to this section for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | No power supply; Power cord not properly connected. | Check if the unit is plugged into a working outlet. Ensure the power cord is securely connected. |
| No cool air/humidification. | Water tank is empty; Cooling/Humidification function not activated; Water pump issue. | Fill the water tank. Press the Cooling/Humidification button. Check if the water pump is properly installed and functioning. |
| Weak airflow. | Air filter is dirty; Fan speed is too low. | Clean the air filter. Increase the fan speed setting. |
| Unit is noisy. | Unit not on a flat surface; Obstruction in fan. | Place the unit on a stable, flat surface. Check for any foreign objects obstructing the fan. |
| Remote control not working. | Batteries are dead; Obstruction between remote and unit. | Replace the batteries in the remote control. Ensure there is a clear line of sight between the remote and the unit. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Air Choice |
| Model Name | WTF-40 |
| Mounting Type | Freestanding |
| Special Features | 70° Oscillating, 3-in-1 Device, 8-Hour Timer, Ultra-Quiet Operation |
| Color | White |
| Controls Type | Remote |
| Item Weight | 9.4 Pounds |
| Product Dimensions | 11.81"D x 11.81"W x 39.69"H |
| Recommended Uses | Residential, Indoor Use |
| Included Components | Remote Control |
| Material | PC |
| Manufacturer | NINGBO KONWIN ELECTRICAL APPLIANCE CO., LTD. |
Warranty and Support
For any questions, concerns, or support needs regarding your Air Choice Evaporative Cooler, please contact our customer service team.
Email: airchoice@afterservice.vip
Please refer to your purchase documentation for specific warranty details.





