BLACK+DECKER BUHDR055
BLACK+DECKER 1.45 Gallon Ultrasonic Humidifier User Manual
Model: BUHDR055
Introduction
Thank you for purchasing the BLACK+DECKER 1.45 Gallon Ultrasonic Humidifier. This manual provides important information regarding the safe operation, installation, maintenance, and troubleshooting of your humidifier. Please read this manual thoroughly before use and retain it for future reference.
This ultrasonic humidifier is designed to provide dry air relief, helping to alleviate congestion, reduce snoring issues, soothe dry coughs, and replenish dry skin by adding humidity to your environment.

Important Safety Information
Please read and follow all safety instructions before operating this appliance to reduce the risk of fire, electric shock, or injury.
- Always place the humidifier on a firm, flat, level surface.
- Do not place the humidifier near heat sources such as stoves, radiators, or direct sunlight.
- Ensure the power cord is not damaged and is properly plugged into a suitable electrical outlet (120 Volts).
- Do not immerse the humidifier base in water or other liquids.
- Unplug the humidifier before filling, cleaning, or moving it.
- Keep out of reach of children and pets.
- Use only clean, cool tap water. Distilled or demineralized water is recommended for optimal performance and to reduce mineral buildup.
- Do not add essential oils directly into the water tank, as this may damage the unit.
- Do not block air vents.
- This appliance is for indoor use only.
Product Overview
The BLACK+DECKER Ultrasonic Humidifier is designed for efficient and quiet operation, providing a continuous cool mist for rooms up to 600 square feet.
Key Features:
- 1.45 Gallon (5.5L) Water Tank Capacity: Provides up to 40 hours of continuous operation on minimum speed.
- Touch Panel Control with LCD Display: Easy adjustment of settings.
- Full Function Remote Control: Convenient operation from a distance.
- Dual Mist Outlets: Ensures wide mist distribution.
- Automatic Humidity Control: Maintains humidity levels between 45% RH to 90% RH.
- Auto Shut-off: Activates when the tank is empty or removed for safety.
- 12-Hour Shut-off Timer: For scheduled operation.
- Negative Ion Function: Enhances air quality.
- Whisper Quiet Operation: Operates at 35dB, suitable for bedrooms and nurseries.
- Ceramic Infused Filter: Softens water and reduces calcium buildup.
Components:



Setup and Initial Use
- Unpack: Carefully remove the humidifier from its packaging. Retain packaging for storage or future shipping.
- Placement: Place the humidifier on a firm, flat, water-resistant surface at least 6 inches (15 cm) away from walls and appliances. Ensure it is not placed on carpet or near heat sources.
- Fill Water Tank:
- Remove the water tank from the base.
- Unscrew the tank cap at the bottom of the tank.
- Fill the tank with clean, cool tap water. Distilled or demineralized water is recommended to prevent mineral deposits.
- Securely screw the tank cap back on.
- Place the filled water tank back onto the humidifier base, ensuring it is seated correctly.
- Connect Power: Plug the 2-prong power cord into a standard 120V AC electrical outlet. The unit will emit a beep, and the LCD display will briefly illuminate.
Operating Instructions
Your humidifier can be operated using the touch panel controls on the unit or the included remote control.
Control Panel and Remote Functions:

- ON/OFF Button (⏻): Press to turn the humidifier on or off. The LCD display will show current humidity and mist level.
- -ION Button (♢): Activates or deactivates the negative ion function, which helps purify the air.
- MAX/MIN Button (☁): Adjusts the mist output level. There are 3 mist speeds (Low, Medium, High). Press repeatedly to cycle through settings.
- HUMIDITY Button (💧): Sets the desired humidity level. The humidifier will automatically maintain the set humidity between 45% RH and 90% RH.
- TIMER Button (⏱): Sets the auto shut-off timer for 1 to 12 hours. The unit will turn off automatically after the set time.
Adjusting Mist Direction:

The humidifier features dual mist outlets on top. You can manually rotate these outlets to direct the mist in desired directions.
Care and Maintenance
Regular cleaning and maintenance will ensure optimal performance and extend the life of your humidifier.
Daily Maintenance:
- Unplug the unit.
- Empty any remaining water from the tank and base.
- Rinse the water tank and base with fresh water.
- Allow all parts to air dry completely before reassembly or storage.
Weekly Maintenance (Mineral Deposit Removal):
- Unplug the unit.
- Remove the water tank.
- Pour 2-4 tablespoons of white vinegar into the water tank and into the water reservoir in the base.
- Let it stand for 20 minutes.
- Carefully clean the transducer (the small disc in the base) and the inside of the tank with a soft brush or cloth to remove mineral deposits.
- Rinse all components thoroughly with clean water until the smell of vinegar is gone.
- Allow all parts to air dry completely.
Filter Maintenance:
The ceramic infused filter helps reduce mineral buildup. Clean the filter regularly by rinsing it under cool tap water. Replace the filter as needed, typically every 6 months, depending on water hardness and usage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or very little mist. |
|
|
| White dust around the humidifier. | Hard water used. | Use distilled or demineralized water. Clean the unit regularly to remove mineral buildup. |
| Unit not turning on. |
|
|
| Unusual odor. |
|
|
Specifications
| Feature | Detail |
|---|---|
| Model Number | BUHDR055 |
| Brand | BLACK+DECKER |
| Operation Mode | Ultrasonic |
| Water Tank Capacity | 1.45 Gallons (5.5 Liters) |
| Run Time (Min Speed) | Up to 40 hours |
| Coverage Area | Up to 600 square feet |
| Noise Level | 35dB |
| Humidity Control Range | 45% RH to 90% RH |
| Timer | 1-12 hours |
| Power Input | 120 Volts |
| Wattage | 300 watts |
| Product Dimensions (DxWxH) | 7.28" x 9.84" x 14" |
| Item Weight | 5.3 lbs |
| Included Components | Humidifier unit, Remote control, Ceramic Infused filter |

Warranty and Customer Support
For warranty information, technical assistance, or customer support, please refer to the warranty card included with your product or contact BLACK+DECKER customer service. Keep your purchase receipt as proof of purchase for warranty claims.
Manufacturer: W Appliance Company
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