SPT SF-1515W
SPT SF-1515W 12-inch Misting Fan with Humidifier User Manual
Model: SF-1515W
1. Introduction
Thank you for purchasing the SPT SF-1515W 12-inch Misting Fan with Humidifier. This appliance combines the functions of an ultrasonic humidifier, a misting fan, and a standard fan, designed to enhance your indoor comfort. Please read this manual thoroughly before operation to ensure proper use, maintenance, and safety.
This unit features a 9-hour timer, three fan speed choices, and multiple operating modes including Natural, Normal, and Sleep. Its integrated casters provide easy mobility.
2. Important Safety Instructions
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and injury to persons.
- Read all instructions before using this appliance.
- Do not operate any fan with a damaged cord or plug. Discard fan or return to an authorized service facility for examination and/or repair.
- Do not run cord under carpeting. Do not cover cord with throw rugs, runners, or similar coverings. Arrange cord away from traffic area and where it will not be tripped over.
- Do not immerse the unit, plug, or cord in water or other liquids.
- Close supervision is necessary when any appliance is used by or near children.
- Unplug from outlet when not in use, when moving the fan from one location to another, and before cleaning.
- Use the appliance only for its intended household use as described in this manual.
- Do not use outdoors.
- Do not operate where aerosol (spray) products are being used or where oxygen is being administered.
- Do not place the fan near a window. Rain and moisture may create an electrical hazard.
- Ensure the water tank is securely in place before operating the misting function.
3. Product Components
Familiarize yourself with the main components of your SPT SF-1515W unit.

Control Panel Overview

- Power Button: Turns the unit On/Off.
- Speed Button: Adjusts fan speed (Low, Medium, High).
- Mode Button: Selects operating mode (Normal, Natural, Sleep).
- Mist Button: Activates or deactivates the misting/humidifier function.
- Timer Button: Sets the automatic shut-off timer (up to 9 hours).
- Swing Button: Controls the internal louver oscillation for wider air distribution.
- Display Screen: Shows current settings such as fan speed, timer, and mode.
4. Setup and Assembly
The SPT SF-1515W unit comes largely pre-assembled. Follow these steps for initial setup:
- Unpacking: Carefully remove the unit from its packaging. Retain packaging materials for future storage or transport.
- Placement: Place the fan on a firm, level surface. Ensure there is adequate space around the unit for proper airflow. Avoid placing it directly against walls or furniture.
- Water Tank Filling:
- Locate the water tank at the bottom rear of the unit.
- Remove the water tank cap.
- Fill the tank with clean, cool tap water. Distilled or demineralized water is recommended to prevent mineral buildup, especially in hard water areas. Do not exceed the maximum fill line.
- Securely replace the water tank cap and ensure the tank is properly seated in the unit.
- Power Connection: Plug the power cord into a standard 120V AC electrical outlet.
5. Operating Instructions
The SPT SF-1515W can be operated using the control panel on the unit or the included remote control.
5.1 Power On/Off
- Press the Power button once to turn the unit on. The fan will start at a low speed.
- Press the Power button again to turn the unit off.
5.2 Fan Speed Adjustment
- With the unit on, press the Speed button repeatedly to cycle through fan speeds: Low (1), Medium (2), High (3).
- The selected speed will be indicated on the display.
5.3 Operating Modes
Press the Mode button repeatedly to select from the following modes:
- Normal Mode: The fan operates at a constant speed as selected.
- Natural Mode: The fan speed varies intermittently to simulate a natural breeze.
- Sleep Mode: The fan operates at a lower, quieter speed. The fan speed may cycle between low, medium, and high bursts, then gradually decrease.
5.4 Misting/Humidifier Function
- Ensure the water tank is filled before activating the mist function.
- Press the Mist button to turn the humidifier on or off.
- The mist function can operate independently or in conjunction with the fan.
- If the water tank is empty, the mist function will automatically turn off. Refill the tank to resume misting.
5.5 Timer Function
- Press the Timer button repeatedly to set the desired operating duration.
- Each press increases the timer by 1 hour, up to a maximum of 9 hours.
- The unit will automatically turn off once the set time has elapsed.
- To cancel the timer, cycle through the settings until "00" or no timer indicator is displayed.
5.6 Swing Function
- Press the Swing button to activate the internal louver oscillation. This distributes air across a wider area.
- Press the Swing button again to stop the oscillation at the desired position.
6. Maintenance and Cleaning
Regular cleaning and maintenance will ensure optimal performance and extend the lifespan of your fan.
- Always unplug the unit from the power outlet before cleaning or performing any maintenance.
- Exterior Cleaning: Wipe the exterior surfaces with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Fan Grille: Use a vacuum cleaner with a brush attachment to remove dust from the fan grille.
- Water Tank:
- Empty and rinse the water tank regularly, especially if the unit is not used for an extended period.
- To prevent mineral buildup, clean the tank with a mild descaling solution (e.g., white vinegar and water) every few weeks, depending on water hardness. Rinse thoroughly after cleaning.
- Ultrasonic Misting Plate: If the mist output decreases, the ultrasonic misting plate may need cleaning. Consult the manufacturer's support for specific instructions or service if necessary. Do not attempt to disassemble the unit.
- Storage: When not in use for a long period, empty the water tank, clean the unit, and store it in a cool, dry place, preferably in its original packaging.
7. Troubleshooting Guide
Before contacting customer support, please refer to the following troubleshooting guide for common issues.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. |
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| No mist output. |
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| Weak airflow. |
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| Unit is noisy. |
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8. Product Specifications
| Feature | Detail |
|---|---|
| Model Number | SF-1515W |
| Brand | SPT (Sunpentown) |
| Type | Misting Fan with Humidifier |
| Fan Diameter | 12 inches |
| Fan Speeds | 3 (Low, Medium, High) |
| Operating Modes | Normal, Natural, Sleep |
| Timer | Up to 9 hours |
| Humidifier Type | Ultrasonic |
| Noise Level | 53 Decibels |
| Product Dimensions | 11.42 x 17.91 x 32.09 inches (L x W x H) |
| Item Weight | 17.75 pounds |
| Mounting Type | Floor Mount |
| Color | Silver |
| UPC | 956256982983, 885199899198, 971472629788, 876840004702, 031111322521, 189101058933, 608938045881 |
9. Warranty and Support
This SPT SF-1515W unit comes with a 1-year parts and labor warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
The warranty does not cover damage resulting from misuse, accident, modification, improper installation, or unauthorized repair. For warranty service or technical support, please contact SPT customer service. Keep your purchase receipt as proof of purchase.
For further assistance, please visit the official SPT website or contact their customer support department.
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