Introduction
This manual provides essential instructions for the safe and efficient operation, maintenance, and troubleshooting of your PUR Kaz PersonalMist Ultrasonic Humidifier, Model 5520B. Please read this manual thoroughly before use and retain it for future reference.
Important Safety Instructions
- Always place the humidifier on a firm, flat, water-resistant surface.
- Do not operate without water in the tank.
- Do not block air vents.
- Unplug the unit before filling, cleaning, or moving.
- Keep out of reach of children.
- Use only clean, cool tap water. Distilled water is recommended to reduce mineral buildup.
- Do not add essential oils or medication to the water tank.
- Regular cleaning is essential to prevent mold and bacteria growth.
Product Overview
The PUR Kaz PersonalMist Ultrasonic Humidifier is designed to provide a fine, cool mist to enhance air moisture in personal spaces. Its compact design and quiet operation make it suitable for bedrooms, offices, or travel.

Image 1: The PUR Kaz PersonalMist Ultrasonic Humidifier. This image displays the humidifier unit, featuring a white base and a translucent blue water tank. The control knob is visible on the front of the white base, and the mist outlet is at the top of the blue tank.
Key Components:
- Water Tank: Translucent blue reservoir for water.
- Base Unit: Contains the ultrasonic transducer and control electronics.
- Mist Outlet: Top opening where mist is dispersed.
- Control Knob: Adjusts mist output (On/Off and variable settings).
Setup Instructions
- Unpack: Carefully remove all packaging materials from the humidifier.
- Placement: Place the humidifier on a firm, level, water-resistant surface at least 6 inches away from walls and furniture. Ensure the mist outlet is not directed at walls or furniture.
- Fill Water Tank:
- Remove the water tank from the base.
- Unscrew the tank cap.
- Fill the tank with cool, clean tap water. Distilled water is recommended to minimize white dust.
- Securely screw the tank cap back on.
- Place the filled water tank back onto the base unit, ensuring it is seated correctly.
- Connect Power: Plug the power cord into a standard electrical outlet.
Operating Instructions
- Turn On: Rotate the control knob clockwise to the "ON" position. The unit will begin to produce mist.
- Adjust Mist Output: Continue rotating the control knob clockwise to increase the mist output. Rotate counter-clockwise to decrease the mist output. The humidifier offers two quiet settings for maximum control.
- Refill: When the water tank is empty, the unit will automatically shut off. Unplug the unit, remove the tank, and refill as per the "Setup Instructions."
- Turn Off: Rotate the control knob counter-clockwise to the "OFF" position and unplug the unit when not in use.
Maintenance and Cleaning
Regular cleaning is crucial for optimal performance and to prevent the growth of mold and bacteria. Always unplug the unit before cleaning.
Daily Maintenance:
- Empty any remaining water from the tank and base.
- Rinse the tank and base with fresh water.
- Allow all parts to air dry before reassembly or storage.
Weekly Cleaning (or more often with hard water):
- Descaling the Transducer:
- Unplug the humidifier.
- Remove the water tank.
- Pour 1 cup of undiluted white vinegar into the base reservoir, covering the ultrasonic transducer (the small metal disk).
- Let it soak for 20 minutes.
- Gently scrub the transducer with a soft brush (e.g., a cotton swab) to remove mineral deposits.
- Rinse the base thoroughly with clean water to remove all vinegar residue. Do not submerge the base in water.
- Cleaning the Water Tank:
- Add 1 cup of white vinegar to the water tank and fill with water.
- Shake vigorously and let it soak for 20 minutes.
- Empty the tank and rinse thoroughly with clean water.
- Disinfecting (Optional, if mold/mildew is present):
- Mix 1 teaspoon of bleach with 1 gallon of water.
- Fill the water tank with this solution and let it stand for 20 minutes.
- Empty the tank and rinse thoroughly until the bleach smell is gone.
- Wipe the base with a cloth dampened with the bleach solution, then rinse with clean water.
- Allow all parts to air dry completely before reassembly.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or low mist output. |
|
|
| White dust around humidifier. | Hard water minerals. | Use distilled or demineralized water. Clean the unit regularly to remove mineral buildup. |
| Unpleasant odor. | Stagnant water or bacterial growth. | Empty and clean the unit thoroughly, including disinfecting if necessary. Use fresh water daily. |
| Water leaking from unit. |
|
|
Specifications
- Model: 5520B
- Type: Ultrasonic Humidifier
- Dimensions: 10.19 x 6.5 x 9.5 inches
- Weight: Approximately 0.01 Ounces (shipping weight may vary)
- Operation Mode: Ultrasonic
- Special Feature: Quiet Operation
- Power: Standard electrical outlet (voltage not specified, assume typical household 120V for US market)
Warranty Information
This product comes with a 1-year warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal household use. It does not cover damage resulting from misuse, accident, commercial use, or unauthorized modification. Please retain your proof of purchase for warranty claims.
Customer Support
For further assistance or inquiries, please contact PUR customer support. Refer to the product packaging or the official PUR website for the most current contact information.
Manufacturer: Kaz





