1. Wprowadzenie
This manual provides essential information for the safe and efficient operation of your DEMULLER 12000 BTU Mini Split Air Conditioner and Heater. Please read all instructions carefully before installation and use. This unit is designed to provide both cooling and heating for rooms up to 750 sq. ft.
Important Safety Notice: Professional installation is required for this appliance. Improper installation can lead to electric shock, fire, or serious injury. Always consult a licensed HVAC technician.
2. Konfiguracja i instalacja
The DEMULLER Mini Split Air Conditioner and Heater comes with a comprehensive installation kit. Due to the complexity and safety requirements, professional installation by a licensed HVAC technician is mandatory for optimal performance and safety. Line-set vacuuming is required during installation.
2.1 Zawartość opakowania
Verify that all components listed below are included in your package. The unit typically ships in two separate boxes.

Opis obrazu: This image displays the complete package contents for the DEMULLER Mini Split AC. Box 1 includes the indoor unit, remote control, hanging board, wall sheathing, and user manual. Box 2 contains the outdoor unit along with installation accessories such as putty, drain hose, connection pipes, communication wire, various screws, tape, and wall sleeves.
- Jednostka wewnętrzna
- Jednostka zewnętrzna
- Zdalne sterowanie
- Instrukcja obsługi
- Wisząca deska
- Poszycie ścienne
- Kit
- Wąż spustowy
- Connection Pipes (x2)
- Przewód komunikacyjny
- Śruby (x6)
- Śruby rozporowe (x6)
- Taśma
- Tuleja ścienna
2.2 Instalacja profesjonalna
For safety and to ensure proper functioning, the installation of this mini split system must be performed by a qualified and licensed HVAC professional. This includes proper electrical wiring, refrigerant line connections, and vacuuming of the line set.

Opis obrazu: This image shows a professional HVAC technician carefully installing the outdoor condenser unit of a mini split air conditioner system. The technician is working on the exterior wall of a building, emphasizing the need for expert installation.
3. Instrukcja obsługi
Your DEMULLER Mini Split AC offers multiple modes and settings for customized comfort. All functions are accessible via the included remote control and can be managed through the WiFi-enabled smart control feature.
3.1 tryby pracy
The unit features 5 versatile operating modes:

Opis obrazu: This image illustrates the various operating modes available on the DEMULLER Mini Split AC. Icons for Cool, Heat, Dry, Fan, Auto, and Eco modes are prominently displayed above the indoor unit, signifying its multi-functional design.
- Tryb chłodzenia: Provides cooling to lower room temperature.
- Tryb ogrzewania: Zapewnia ogrzewanie i podnosi temperaturę w pomieszczeniu.
- Tryb suszenia: Osusza powietrze, redukując poziom wilgotności.
- Tryb wentylatora: Cyrkuluje powietrze bez chłodzenia i ogrzewania.
- Tryb automatyczny: Automatically selects the appropriate mode (cooling or heating) based on the set temperature and current room temperature.
3.2 prędkości wentylatora
Adjust the airflow intensity with 4 adjustable fan speeds: Low, Medium, High, and Turbo.
3.3 Cicha praca i tryb uśpienia
The unit is designed for ultra-silent operation, as low as 28 dB at low speed, ensuring a peaceful environment. The Sleep Mode further optimizes comfort and energy efficiency during nighttime hours.

Opis obrazu: This image depicts a serene bedroom environment at night, highlighting the quiet operation of the indoor unit. Text overlays indicate 'Sleep Mode - 24 Timer' and a graphic illustrates sound levels, showing the unit operating below 20dB for an undisturbed sleep.
3.4 Łączność Wi-Fi
The unit is WiFi enabled, allowing for smart control via a compatible application on your smartphone. Refer to the separate WiFi setup guide for detailed instructions on connecting your device.
4. Konserwacja
Regular maintenance ensures the longevity and efficiency of your mini split system. Always disconnect power to the unit before performing any maintenance.
4.1 Czyszczenie filtra powietrza
The air filters in the indoor unit should be cleaned regularly (e.g., every 2-4 weeks, depending on usage) to maintain air quality and system efficiency. Refer to the detailed instructions in the full user manual for filter removal and cleaning procedures.
4.2 Outdoor Unit Inspection
Periodically inspect the outdoor unit for any obstructions (leaves, debris) around the condenser coils. Ensure proper airflow is maintained. Clean the coils gently if necessary, following professional guidelines.
5. Rozwiązywanie Problemów
If you encounter issues with your unit, please refer to the following basic troubleshooting steps. For complex problems, contact a qualified technician.
- Urządzenie nie włącza się: Sprawdź zasilanie, wyłącznik automatyczny i upewnij się, że baterie pilota są sprawne.
- Niewystarczające chłodzenie/ogrzewanie: Verify correct mode selection, set temperature, clean air filters, and ensure no obstructions to airflow.
- Niezwykłe dźwięki: Drobne odgłosy pracy są normalne. W przypadku wystąpienia głośnych lub nietypowych dźwięków należy wyłączyć urządzenie i skontaktować się z pomocą techniczną.
- Wyciek wody: Sprawdź, czy wąż spustowy nie jest zablokowany lub nie został nieprawidłowo zainstalowany.
6. Specyfikacje
Key technical specifications for the DEMULLER 12000 BTU Mini Split Air Conditioner and Heater.

Opis obrazu: Na tym zdjęciu widać szczegółowy obrazview of the product's physical dimensions and technical specifications. It includes measurements for both the indoor and outdoor units, alongside a table listing crucial data such as 12000 BTU cooling capacity, 22 SEER2 rating, 230V voltage, 60Hz frequency, 750 sq. ft. coverage area, R32 refrigerant, various fan speeds, and recommended ambient temperature ranges for operation.
| Funkcja | Szczegół |
|---|---|
| Marka | DEMULLER |
| Numer modelu | YX-DEMULLER-12K SEER22-230V-Split AC |
| Wydajność chłodzenia | 12000 BTU (1 tona) |
| Moc grzewcza | 12000 BTU |
| Ocena SEER2 | 22 SEER2 |
| Tomtage | 230 wolty |
| Cotage | 1450 watów |
| Poziom hałasu (w pomieszczeniu) | Już od 28 decybeli |
| Chłodziwo | R-32 |
| Obszar zasięgu | Do 750 mkw. Ft. |
| Wymiary jednostki wewnętrznej (gł. x szer. x wys.) | 7.5" x 33.46" x 11.4" |
| Wymiary jednostki zewnętrznej (gł. x szer. x wys.) | 10.24" x 27.95" x 21.81" |
| Cechy specjalne | Dehumidifier, Fast Cooling, Heating & Cooling Function, Remote Controlled, WiFi Enabled |
7. Gwarancja i obsługa klienta
For warranty information, please refer to the documentation included with your product or contact DEMULLER customer service. If you require technical assistance, replacement parts, or have any questions regarding your DEMULLER Mini Split Air Conditioner and Heater, please contact our customer support team. Ensure you have your model number and purchase details available when contacting support.
Informacje kontaktowe:
- Szczegółowe dane kontaktowe znajdziesz w dokumentacji zakupu.
- Visit the official DEMULLER webwitryna zawierająca zasoby pomocy.