1. Uvod
Thank you for choosing the Sejoy XD-3500A Ultrasonic Humidifier. This device is designed to improve your indoor air quality by adding cool, clean mist, helping to alleviate dry skin, congestion, and other discomforts caused by dry environments. With its large capacity, quiet operation, and smart features, the Sejoy humidifier provides a comfortable and healthy atmosphere for your home, office, or baby's room.

Sejoy Ultrasonic Humidifier: Key Features and Certifications

Sejoy XD-3500A: Designed for a Better Life
2. Proizvod je gotovview i komponente
Familiarize yourself with the different parts of your Sejoy XD-3500A Humidifier:
- Gornji poklopac: Protects the internal components and directs mist.
- Izlaz za maglu: Where the cool mist is released into the air.
- Spremnik za vodu: Holds up to 3.5 liters (1 gallon) of water.
- Water Tank Seat: Supports the water tank and houses the atomizing sheet.
- baza: Contains the control panel, power connection, and internal electronics.
- Kontrolna tabla: LED digital touch screen for operating the humidifier.

Diagram of Humidifier Components
3. Specifikacije
| Feature | Specifikacija |
|---|---|
| Naziv proizvoda | Ovlaživač zraka |
| Model proizvoda | XD-3500A |
| Rated Voltage | 100-240V |
| Nazivna frekvencija | 50/60Hz |
| Nazivna snaga | 28W |
| Veličina proizvoda (Š x D x V) | 260 mm x 235 mm x 350 mm (približno 10.2 x 9.3 x 13.8 inča) |
| Kapacitet rezervoara za vodu | 3.5 litara (1 galona) |
| Kapacitet vlaženja | Do 300 ml/h |
| Područje pokrivenosti | 11 - 20 M² (up to 320ft²/30m²) |
| Nivo buke | <36dB (Whisper-Quiet) |
| Metoda ovlaživanja | Ultrasonic |
| Mist Outlet Quantity | Tri |
| Metod rada | Remote Control, Touch Screen |
| Kontrola vlažnosti | Remote Control, Smart Constant Humidity (45%-80% RH) |
| Funkcija vremena | Da |
| Water-shortage Zaštita | Yes (Auto Shut-off) |
| Instalacija | Stolni / Prenosni |
| Funkcija | Ultrasonic Sterilize, Humidification |
| Certifikati | CE, FCC, ETL, Double Insulation |
| Materijal | ABS Eco-friendly Materials |
4. Podešavanje
- Raspakirajte: Carefully remove the humidifier and all its components from the packaging. Retain packaging for future storage or transport.
- plasman: Place the humidifier on a flat, stable, and water-resistant surface. Ensure it is away from direct sunlight, heat sources, and sensitive electronics. Allow at least 6 inches (15 cm) of space from walls or furniture for optimal mist dispersion.
- Napunite rezervoar za vodu: Remove the upper cover. Fill the water tank with clean, cool tap water. For best results and to prevent mineral buildup, distilled or demineralized water is recommended. Do not fill past the MAX line.
- Zamijenite poklopac: Securely place the upper cover back onto the water tank.
- Priključite napajanje: Plug the power cord into a suitable electrical outlet (100-240V, 50/60Hz). The humidifier will enter standby mode.
5. Uputstvo za upotrebu
5.1 Kontrolna ploča i funkcije
The humidifier features an LED Digital Touch Screen control panel. You can also use a remote control (if included) for convenience.

LED Digital Touch Screen Controls
- Dugme za napajanje (
):- Brief Press: Cycles through mist gears (Gear 1 → Gear 2 → Gear 3 → Standby Mode → Gear 1...). In Standby Mode, it displays real-time ambient humidity.
- Dugi pritisak: Enters Standby Mode, displaying real-time ambient humidity.
- Humidity Button (
):- Press this key to enter the intelligent constant humidity mode. The humidity icon will light up.
- You can set the desired humidity value between 45% RH and 80% RH, with each press adjusting by 5% RH.
- The continuous operation sequence is: 45% RH → 50% RH → ... → 75% RH → 80% RH → turn off.
- Night Light Button (
):- Brief Press: The atmosphere lamp will light up, cycling through 7 colors.
- Pritisnite i držite 2 sekunde: The machine will turn off the atmosphere light.
5.2 Mist Levels
The humidifier offers 3 adjustable mist levels to suit your preference and room size. The ceramic core high-frequency atomization system ensures fine, even mist without wetting surfaces.
- Brzina 1: Approx. 130ml/h mist output, up to 30 hours of continuous operation.
- Brzina 2: Approx. 220ml/h mist output, up to 18 hours of continuous operation.
- Brzina 3: Approx. 300ml/h mist output, up to 12 hours of continuous operation.

Adjustable Mist Levels and Durations
5.3 Smart Constant Humidity Mode
This mode automatically adjusts mist output to maintain your desired humidity level within the range of 40% to 80% RH.
- If ambient humidity is below 40% RH, fog will be emitted normally.
- If ambient humidity is between 40% RH and 80% RH, fog will be emitted normally.
- If ambient humidity reaches or exceeds 80% RH, fog output will stop to prevent over-humidification.

Smart Constant Humidity Operation
5.4 UV-C Sterilization
The humidifier incorporates a UV-C sterilization zone to purify the water source before humidification and atomization. This helps to keep the water clean and ensures healthy mist is released into the air, with a sterilization rate of 99.9% against common bacteria like Escherichia coli and Staphylococcus aureus.

UV-C Sterilization for Healthy Mist
5.5 Automatsko isključivanje
For your safety and convenience, the humidifier will automatically shut off when the water tank runs out of water. This allows for worry-free operation, especially during sleep.
5.6 Funkcija noćnog svjetla
The optional 7-color LED night light creates a soothing ambiance, perfect for bedrooms or children's rooms, contributing to a relaxing environment for better sleep.

Humidifier with Soft Night Light
6. Održavanje
Regular cleaning and maintenance are crucial for the optimal performance and longevity of your humidifier. This model is filter-free, simplifying maintenance.
- Svakodnevno održavanje:
- Ispraznite svu preostalu vodu iz rezervoara i baze.
- Wipe the inside of the water tank and base with a clean, soft cloth.
- Prije svake upotrebe dopunite svježom vodom.
- Sedmično čišćenje:
- Unplug the humidifier and disassemble the water tank and upper cover.
- Čišćenje rezervoara za vodu: The top-filling design and extra-large opening make it easy to clean. You can directly wipe the inside with a soft cloth or sponge.
- Čišćenje baze: Gently wipe the inside of the base, especially around the ceramic atomizing sheet, to remove any mineral deposits or residue. Do not immerse the base in water.
- Uklanjanje kamenca: If mineral deposits (white scale) accumulate, mix a solution of equal parts white vinegar and water. Pour it into the water tank and base, letting it sit for 30 minutes. Gently scrub with a soft brush or cloth, then rinse thoroughly with clean water until the vinegar smell is gone.
- Uvjerite se da su svi dijelovi potpuno suhi prije ponovnog sastavljanja.
- Skladištenje: If not using the humidifier for an extended period, clean it thoroughly, ensure all parts are dry, and store it in a cool, dry place.
Caution: Do not use harsh chemicals, abrasive cleaners, or metal tools to clean the humidifier, as this may damage the unit.
7. Otkrivanje problema
If you encounter any issues with your humidifier, please refer to the following common problems and solutions:
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Nema magle ili slabe magle | Lack of water; Water tank not properly seated; Mineral buildup on atomizing sheet; Air outlet blocked. | Refill water tank; Ensure tank is correctly placed; Clean atomizing sheet as per maintenance section; Check for and remove any obstructions from the mist outlet. |
| Ovlaživač se ne uključuje | No power; Power cord not securely plugged in; Water shortage (auto shut-off activated). | Check power outlet; Ensure power cord is firmly connected; Refill water tank. |
| Neobična buka | Humidifier not on a flat surface; Water level too low; Foreign object in the base. | Place on a flat, stable surface; Refill water tank; Unplug and check the base for any foreign objects. |
| Curenje vode | Water tank not properly sealed; Overfilling the water tank; Damage to the tank. | Ensure the upper cover and water tank are correctly assembled; Do not fill water above the MAX line; If damaged, contact customer support. |
| Bijela prašina oko ovlaživača zraka | Korišćena tvrda voda. | Use distilled or demineralized water to prevent mineral dust. Clean the unit regularly. |
8. Savjeti za korisnike
- Optimal Water: For best performance and to minimize mineral buildup, use distilled or demineralized water. This also helps prevent white dust.
- Strateški plasman: Place the humidifier in a central location in the room, away from walls, furniture, and electronics, to ensure even mist distribution and prevent moisture damage.
- Avoid Over-Humidifying: While humidifiers are beneficial, excessive humidity can lead to condensation and mold growth. Utilize the smart constant humidity mode to maintain a healthy humidity level (typically between 40-60% RH).
- Redovno čišćenje: Even with UV sterilization, regular cleaning of the water tank and base is essential to prevent bacterial growth and maintain hygiene.
- Noćna udobnost: Take advantage of the whisper-quiet operation and 7-color night light for a more restful sleep environment.
9. Garancija i podrška
The Sejoy XD-3500A Ultrasonic Humidifier is manufactured with high-quality materials and undergoes strict quality control. For any issues not covered in this manual or for further assistance, please contact Sejoy customer support. Please retain your proof of purchase for warranty claims.





