1. Introduction
The DEMULLER 9000BTU 4-in-1 Split Air Conditioner & Heater is a versatile climate control system designed to provide year-round comfort. This unit features cooling, heating, dry, and fan modes, making it suitable for various environments up to 450 sq. ft. With its 17 SEER2 efficiency and R32 refrigerant, it offers powerful performance while minimizing energy consumption.
2. Safety Information
Please read all safety warnings and instructions carefully before installing or operating this appliance. Failure to follow these instructions may result in electric shock, fire, or serious injury. Keep this manual for future reference.
- Professional Installation: This mini-split unit requires professional installation. Do not attempt to install it yourself.
- Power Supply: Ensure the power supply matches the unit's requirements (115V).
- Refrigerant: This unit uses R32 refrigerant. Handle with care and only by certified professionals.
- Clearances: Maintain adequate clearances around both indoor and outdoor units for proper airflow and maintenance.
- Children and Pets: Keep children and pets away from the unit during operation and maintenance.
3. Product Components
The DEMULLER 9000BTU Split Air Conditioner system is shipped in two separate packages. Please verify all components are present upon delivery.
Package 1 (Indoor Unit Box)
- Indoor Unit
- Hanging Board
- Instruction Manual
- Remote Control
- Wall Sheathing
Package 2 (Outdoor Unit Box)
- Outdoor Unit
- Drain Pipe
- Communication Wire
- Connection Pipe (x2)
- Wall Sleeve
- Putty for blocking wall holes
- Tape
- Screws (x6)
4. Setup and Installation
IMPORTANT: PROFESSIONAL INSTALLATION IS NECESSARY. DO NOT INSTALL THIS UNIT BY YOURSELF. This mini-split unit ships in two packages (indoor & outdoor units), which may not arrive at the same time. Please ensure both packages have arrived before scheduling installation.
Installation involves mounting both the indoor and outdoor units, connecting refrigerant lines, electrical wiring, and drainage. Due to the complexity and the need for specialized tools and knowledge, installation must be performed by a qualified HVAC professional.
Unit Dimensions
Consider the following dimensions for proper placement and installation:
- Indoor Unit: 7.48"D x 28.35"W x 11.42"H
- Outdoor Unit: 9.37"D x 24.8"W x 19.88"H
5. Operating Instructions
The DEMULLER Split AC unit offers multiple modes and features for optimal comfort, controlled via the included remote.
Operating Modes
- Auto Mode: Automatically selects cooling or heating based on the ambient temperature.
- Cool Mode: Provides cooling. Temperature range: 61°F to 86°F.
- Heat Mode: Provides heating. Effective in environments as low as -4°F.
- Dry (Dehumidify) Mode: Reduces humidity in the room.
- Fan Mode: Circulates air without cooling or heating.
- Sleep Mode: Adjusts temperature and fan speed for comfortable sleep and energy saving.
- ECO Mode: Optimizes operation for maximum energy efficiency.
Fan Speeds
- Low
- Mid
- High
- Turbo (for rapid cooling/heating)
Additional Features
- 24-Hour Timer: Set the unit to turn on or off automatically at desired times.
- Quiet Operation: Designed for low noise levels, ensuring a peaceful environment.
- Automatic Defrosting: Prevents ice buildup on the outdoor unit during heating operation in cold climates.
- Self-Cleaning Function: Helps maintain the cleanliness of the indoor unit's evaporator coil.
6. Maintenance
Regular maintenance ensures the longevity and efficient operation of your DEMULLER Split AC unit.
Self-Cleaning Function
The unit features a self-cleaning function to prevent mold and bacteria growth on the indoor coil. Consult your remote control's specific instructions for activating this feature.
Filter Cleaning
The air filters should be cleaned regularly (e.g., every two weeks or as needed) to maintain airflow and efficiency. Refer to the detailed instruction manual for steps on how to remove and clean the filters.
Professional Servicing
It is recommended to have your unit professionally serviced at least once a year by a qualified HVAC technician to check refrigerant levels, clean coils, and inspect all components.
7. Troubleshooting
If you encounter issues with your DEMULLER Split AC unit, refer to the following common troubleshooting tips. For more complex problems, contact a qualified technician.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power supply; Remote control batteries dead | Check circuit breaker; Replace remote batteries |
| Insufficient cooling/heating | Dirty air filters; Doors/windows open; Room size too large; Low refrigerant | Clean filters; Close openings; Verify room size is within 450 sq. ft.; Contact professional for refrigerant check |
| Unusual noise | Loose parts; Obstruction in fan; Unit not level | Inspect unit for loose components; Remove obstructions; Ensure unit is level; Contact professional if noise persists |
| Water leakage | Clogged drain pipe; Improper installation | Check and clear drain pipe; Contact professional for installation inspection |
8. Specifications
Detailed technical specifications for the DEMULLER 9000BTU Split Air Conditioner & Heater.
| Specification | Value |
|---|---|
| Brand Name | DEMULLER |
| Model Info | ANHUI-SPLITAC |
| Product Dimensions (Indoor) | 7.48 x 28.35 x 11.42 inches |
| Efficiency | 17 SEER2 |
| Capacity | 0.75 Tons (9000 BTU) |
| Installation Type | Split System |
| Form Factor | Mini-Split |
| Special Features | Easy to Install (by professional), Washable filters |
| Color | White |
| Voltage | 115 Volts |
| Included Components | Remote Control, Window Kit (likely refers to installation kit components) |
| Floor Area Coverage | 450 Square Feet |
| Refrigerant | R-32 |
| Power Source | Corded Electric |
| Operating Temperature (Cool) | Up to 122°F |
| Operating Temperature (Heat) | As low as -4°F |
9. Warranty and Support
For warranty information specific to your DEMULLER product, please refer to the warranty card included with your purchase or contact DEMULLER customer support directly. Amazon protection plans are separate and managed by Amazon or their partners.
Customer Support
If you have any questions, require technical assistance, or need to report an issue, please contact DEMULLER customer support. Contact details are typically found in the included instruction manual or on the official DEMULLER website.
For general inquiries or to find more information about DEMULLER products, you can visit the official DEMULLER store on Amazon: DEMULLER Store
