1. Product Overview
The COSTWAY 24000 BTU Mini Split Air Conditioner and Heater is a WiFi-enabled, ductless inverter AC unit designed to provide efficient cooling and heating for spaces up to 1500 sq.ft. This system features a 2-ton heat pump and comes with an installation kit. It is designed for year-round comfort with smart control options.

Image: The indoor unit of the COSTWAY Mini Split Air Conditioner and Heater, typically mounted high on a wall.
2. Key Features
- Inverter Technology: Provides variable motor speeds for energy-efficient and precise temperature control.
- High Efficiency: ENERGY STAR, ETL, and AHRI certified with a SEER2 rating of 25, indicating significant energy savings.
- Extreme Weather Compatibility: The outdoor unit includes chassis electrical heating, allowing operation in temperatures as low as -15°F for heating and up to 126°F for cooling.
- Smart Control: Control the unit via remote control, a compatible mobile application, or voice commands through Alexa.
- Multiple Operating Modes: Features 7 modes including Auto, Cool, Heat, Dry, Fan, Sleep, and ECO.
- Adjustable Fan Speeds: Offers 4 fan speeds: Low, Mid, High, and Turbo.
- Self-Cleaning Function: High-temperature self-cleaning at 135°F helps maintain air quality and unit hygiene.
- 4D Auto Swing: Ensures wide air distribution with adjustable up/down and left/right airflow.
- Convenience Features: Includes a screen-off function for a comfortable sleeping environment and a 24-hour timer.
- Eco-Friendly Refrigerant: Uses green and energy-efficient R32 refrigerant.

Image: Visual representation of the unit's energy efficiency and certifications, highlighting its environmental benefits.

Image: Illustration of smart control features, showing a user interacting with the unit via a mobile app and voice assistant.
3. Package Contents
The following components are included with your COSTWAY Mini Split AC system:
- 1 x Indoor Unit
- 1 x Outdoor Unit (with 2-ton pre-charged heat pump)
- 1 x 13 ft Copper Connection Pipe - Liquid Pipe
- 1 x 13 ft Copper Connection Pipe - Air Pipe
- 1 x 8 ft Power Line
- 1 x 15 ft Communication Wire
- 1 x 6.5 ft Drain Hose
- 1 x Remote Control with 2 Batteries
- 1 x Tape
- 1 x Wall Sleeve
- 1 x Luting (Putty)
- 1 x User Guide

Image: A visual breakdown of the indoor unit, outdoor unit, and all accompanying installation accessories and components.
4. Setup and Installation
Important: Installation of this mini split AC system should only be performed by qualified professionals to ensure proper function, safety, and warranty validity.
The installation process involves mounting both the indoor and outdoor units, connecting the refrigerant lines, electrical wiring, and drain hose. The system is pre-charged with R32 refrigerant.
Indoor Unit Placement
Select a location for the indoor unit that allows for optimal airflow and is free from obstructions. Ensure there is sufficient space around the unit for maintenance and air circulation.
Outdoor Unit Placement
The outdoor unit should be placed on a stable, level surface, away from direct sunlight or heavy precipitation. Ensure adequate clearance for airflow around the unit. The chassis electrical heating feature allows for reliable operation in a wide range of outdoor temperatures.

Image: An illustration demonstrating the outdoor unit's ability to operate effectively in extreme cold (-15°F) and heat (126°F) due to its chassis electrical heating.
Connecting Components
The copper connection pipes (liquid and air), communication wire, and drain hose connect the indoor and outdoor units. These connections must be sealed properly to prevent leaks and ensure efficient operation. The power line connects the outdoor unit to the electrical supply.
5. Operating Instructions
Your COSTWAY Mini Split AC and Heater offers various modes and control options for personalized comfort.
Remote Control Operation
Use the included remote control to power the unit on/off, select operating modes, adjust temperature, and change fan speeds. The remote also provides access to features like the 24-hour timer and screen-off function.
Smart Control (WiFi & Alexa)
Download the compatible mobile application to control your unit remotely from your smartphone. The system is also compatible with Alexa, allowing for convenient voice control. Refer to the user guide for detailed instructions on connecting to WiFi and setting up Alexa integration.
Operating Modes
- Auto: Automatically selects the appropriate mode (Cool, Heat, or Fan) based on the ambient temperature.
- Cool: Provides cooling to lower the room temperature.
- Heat: Provides heating to raise the room temperature.
- Dry: Dehumidifies the air without significant cooling.
- Fan: Circulates air without heating or cooling.
- Sleep: Adjusts temperature and fan speed for optimal sleep comfort and energy efficiency.
- ECO: Optimizes operation for maximum energy savings.
Fan Speeds
Choose from four fan speeds: Low, Mid, High, and Turbo, to control the intensity of airflow.

Image: The remote control for the mini split unit, showing buttons for mode selection, fan speed, timer, and other functions.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your unit.
Filter Cleaning
The indoor unit is equipped with removable and washable filters. Clean these filters regularly (e.g., every 2-4 weeks, depending on usage) to maintain air quality and unit efficiency. Refer to the user guide for instructions on how to remove, clean, and reinsert the filters.
Self-Cleaning Function
Utilize the unit's high-temperature self-cleaning function (135°F) to sterilize the indoor coil and prevent mold and bacteria buildup. This process typically involves condensation, frost, melting, and sterilization cycles. Consult your user guide for how to activate this feature.
Outdoor Unit Maintenance
Keep the outdoor unit clear of debris, leaves, and other obstructions to ensure proper airflow. Periodically inspect the refrigerant lines and electrical connections for any signs of wear or damage. For any complex maintenance, contact a professional technician.
7. Troubleshooting
If you encounter issues with your unit, refer to the following common troubleshooting tips. For persistent problems, contact a qualified technician.
- Unit not turning on: Check power supply, circuit breaker, and ensure the remote control batteries are functional.
- Insufficient cooling/heating: Verify correct mode selection and temperature settings. Clean air filters if dirty. Ensure no obstructions block airflow to either unit.
- Unusual noises: Minor noises during operation are normal. If loud or unusual noises occur, power off the unit and consult the user guide or a professional.
- Water leakage: Check the drain hose for kinks or blockages. Ensure the indoor unit is level.
- Remote control not working: Check batteries and ensure there are no obstructions between the remote and the indoor unit.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | COSTWAY |
| Model Name | Mini Split |
| Model Number | 10898-CYFP |
| Cooling Capacity | 22500 BTU (24000 British Thermal Units) |
| Heating Capacity | 24000 BTU |
| Heat Pump | 2 Ton |
| Seasonal Energy Efficiency Ratio (SEER2) | 25 |
| Heating Seasonal Performance Factor (HSPF2) | 10.5 |
| Voltage | 208-230V~60Hz |
| Cooling Power | 1600W |
| Heating Power | 1750W |
| Coverage Area | Up to 1500 sq.ft |
| Dehumidifying Capacity | 120 Pints/Day (29 L/Day) |
| Air Flow Rate | 883 CFM (1500 m³/h) |
| Temperature Setting Range | 60°F~90°F / 16°C~32°C |
| Refrigerant | R32 |
| Indoor Noise Level | 33-52dB |
| Outdoor Noise Level | 58dB |
| Indoor Unit Size (L x W x H) | 49" x 14" x 10" (125 cm x 36 cm x 25.5 cm) |
| Outdoor Unit Size (L x W x H) | 35.5" x 27.5" x 14" (90 cm x 70 cm x 35 cm) |
| Net Weight of Indoor Unit | 35.5 lbs (16 kg) |
| Net Weight of Outdoor Unit | 97 lbs (44 kg) |
| Control Method | App, Remote, Voice |
9. Warranty and Support
The COSTWAY 24000 BTU Mini Split Air Conditioner and Heater comes with a limited warranty. For specific warranty details, claims, or technical support, please refer to the warranty card included in your package or contact COSTWAY customer service. Ensure you retain your proof of purchase for warranty purposes.
For further assistance, visit the official COSTWAY website or contact their customer support channels.





