1. Introduction
Thank you for choosing the Deerma ST636W Humidifier Air Purifier. This device is designed to improve indoor air quality by maintaining optimal humidity levels and purifying the air. Please read this manual thoroughly before use to ensure safe and efficient operation. Keep this manual for future reference.
2. Important Safety Instructions
- Always place the humidifier on a firm, flat, waterproof surface at least 15 cm away from walls and appliances.
- Do not immerse the base unit in water or other liquids.
- Ensure the power cord is not damaged and is kept away from heated surfaces.
- Unplug the humidifier before filling, cleaning, or moving it.
- Do not add essential oils directly into the water tank. Use the designated aroma box.
- Keep out of reach of children and pets.
- Do not block the mist outlet.
- Use only clean, cool tap water. Distilled or demineralized water is recommended to prevent mineral buildup.
3. Package Contents
Verify that all items are present in the package:
- 1 x Deerma ST636W Humidifier
- 1 x User Manual
- 1 x Cleaning Brush (if included)
4. Product Components

Figure 4.1: Front view of the Deerma ST636W Humidifier, showing the digital display and control buttons.

Figure 4.2: Close-up of the aroma box, illustrating how to add essential oils.
The Deerma ST636W features a top-fill water tank, a digital display for humidity and settings, and an integrated control panel. It includes a 360° rotary mist nozzle for adjustable mist direction and an aroma box for essential oils.













