1. Introduction
Thank you for purchasing the Uthfy 33-inch Evaporative Air Cooler. This appliance is designed to provide efficient cooling, humidification, and air circulation for your indoor spaces. Please read this manual thoroughly before operating the unit to ensure safe and optimal performance. Keep this manual for future reference.
Figure 1: Uthfy 33-inch Evaporative Air Cooler
2. Safety Information
To reduce the risk of fire, electric shock, or injury, always follow these basic safety precautions:
- Read all instructions before using this appliance.
- Do not operate the unit with a damaged cord or plug. If the cord or plug is damaged, contact customer support.
- Ensure the power supply matches the voltage specified on the unit's rating label.
- Do not immerse the unit, cord, or plug in water or other liquids.
- Always unplug the unit before cleaning, servicing, or moving it.
- Do not block air inlets or outlets. Maintain at least 12 inches (30 cm) clearance from walls and other objects.
- Use the unit on a flat, stable surface to prevent tipping.
- Do not allow children to operate or play with the appliance.
- This evaporative cooler is designed for indoor residential use only.
- Only use clean water in the water tank.
3. Product Overview
The Uthfy Evaporative Air Cooler combines the functions of a fan, humidifier, and evaporative cooler to provide a comfortable environment. Key features include:
- Powerful Airflow: Delivers 2200 CFM airflow at 34 ft/s, cooling areas up to 830 sq. ft.
- Dual Water Tanks: Features a 7-gallon detachable lower water tank for easy refilling and cleaning, with an additional top-fill option.
- Oscillation: 120° wide oscillation and adjustable louvers for broad air distribution.
- Control Panel: Modern LED touch control panel and a remote control for convenient operation.
- Timer: 12-hour programmable timer for energy saving and convenience.
- Quiet Operation: Operates at a noise level of ≤30dB.
- Portability: Built-in carry handles and 4 universal wheels (rear casters lockable) for easy movement.
- Ice Packs: Includes four ice packs for enhanced cooling performance.
Figure 2: Key features of the Uthfy Evaporative Air Cooler
Figure 3: High-efficiency motor and airflow diagram
4. Setup
4.1 Unpacking and Placement
- Carefully remove the unit from its packaging.
- Place the air cooler on a firm, level surface. Ensure there is at least 12 inches (30 cm) of space around the unit for proper airflow.
- Ensure the rear casters are locked to prevent accidental movement.
4.2 Filling the Water Tank
The unit offers two methods for filling the water tank:
- Top Fill: Pour clean water directly into the top water inlet.
- Detachable Tank: Unlock and remove the lower 7-gallon water tank. Fill it with clean water at a sink, then reattach it securely to the unit.
Ensure the water level is between the 'MIN' and 'MAX' indicators on the visible water level window. Do not overfill.
Figure 4: Water level indicator
4.3 Adding Ice Packs (Optional)
For enhanced cooling, place the provided ice packs in the freezer until frozen. Once frozen, place them into the water tank. This will help lower the water temperature and provide cooler air.
5. Operating Instructions
5.1 Power On/Off
- Plug the power cord into a standard electrical outlet.
- Press the POWER button on the control panel or remote control to turn the unit on or off.
5.2 Fan Modes and Speed Settings
- Press the MODE button to cycle through Normal and Natural fan modes.
- Press the SPEED button to select Low, Medium, or High fan speed.
5.3 Oscillation
- Press the SWING button to activate or deactivate the 120° oscillation feature, which distributes air across a wider area.
5.4 Timer Function
- Press the TIMER button to set the automatic shut-off time in 1-hour increments, up to 12 hours. The display will show the selected time.
5.5 Ambient Light Bar
- The unit features an ambient light bar below the display. This light can be turned off using the remote control's screen display off function.
Figure 5: Control panel and ambient light
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your evaporative air cooler.
6.1 Cleaning the Water Tank
- Unplug the unit from the power outlet.
- Remove the detachable lower water tank.
- Empty any remaining water.
- Clean the tank with a soft cloth and mild detergent. Rinse thoroughly with clean water.
- Allow the tank to air dry completely before reattaching it to the unit.
Figure 6: Cleaning the water tank
6.2 Cleaning the Cooling Pad
- Unplug the unit.
- Remove the rear cover plate and carefully slide out the cooling pad.
- Rinse the cooling pad under running water to remove dust and mineral deposits. For stubborn buildup, soak in a mild descaling solution (e.g., vinegar and water) for 30 minutes, then rinse thoroughly.
- Allow the cooling pad to dry completely before reinserting it into the unit.
Figure 7: Removable and washable cooling pad
7. Troubleshooting
Before contacting customer support, please refer to the following troubleshooting guide:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power supply Power cord not properly plugged in | Check if the unit is plugged into a working outlet Ensure the power cord is securely connected |
| No cool air / Weak cooling | Water tank is empty Cooling pad is dry or clogged Ice packs not used or melted High humidity in the room | Fill the water tank Clean or replace the cooling pad Add frozen ice packs to the water tank Evaporative coolers are less effective in high humidity environments. Consider ventilation. |
| Unpleasant odor | Stagnant water in the tank Dirty cooling pad | Empty and clean the water tank regularly Clean the cooling pad |
| Water leakage | Water tank overfilled Water tank not properly seated | Do not fill water above the 'MAX' line Ensure the detachable tank is securely locked in place |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Uthfy |
| Model Number | JH-309Y-3 |
| Mounting Type | Freestanding |
| Color | White |
| Air Flow Capacity | 2200 CFM |
| Controls Type | Touch, Remote |
| Reservoir Capacity | 7 gallons |
| Floor Area Coverage | Up to 830 sq. ft. (based on 2200 CFM at 34ft/s) |
| Item Weight | 14.5 pounds |
| Wattage | 80 watts |
| Noise Level | ≤30 dB |
| Number of Speeds | 3 |
| Voltage | 120 volts |
| Operation Mode | Automatic |
| Dimensions (D x W x H) | 12.2"D x 15.81"W x 32.69"H |
| Included Components | Remote Control, 4 Ice Packs |
9. Warranty and Support
9.1 Manufacturer's Warranty
This Uthfy Evaporative Air Cooler is covered by a 1-Year Manufacturer's Warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from misuse, accident, alteration, or unauthorized repair.
9.2 Customer Support
For technical assistance, warranty claims, or general inquiries, please contact Uthfy customer support. Refer to your purchase documentation or the Uthfy official website for contact information.