• Cooling capacity: 9,000 BTU/H with 24 SEER/14 EER efficiency
• Heating capacity: 9,800 BTU/H with 10.5 HSPF/3.8 COP efficiency
• Voltage: 208~230 V, 60 Hertz, 1Ph
• High Wall Mounted Air Conditioning & Heating System
• Variable Speed DC Inverter Operation Mode
• Customizable length copper line set with flare connections
• Energy-Star Certified
• Sleep Mode. The function enables the air conditioner to automatically increase cooling or decrease heating 1°C per hour for the first two hours, then holds steady for the next 5 hours, after that it will switch off. This function maintains both energy savings and comfort at night.
• Temperature Compensation. Temperature compensation function eliminates the difference in temperature between the floor and ceiling by mixing the different layers of air. Consequently, the time for cooling the room is reduced, and a cold offset rising stream of warm air by stirring.
• Refrigerant Leakage Detect. Indoor unit shows error code "EC" and stops automatically when refrigerant leakage is detected. This protects the compressor from high temperature damage due to refrigerant leakage.
• Anti-cold Air Function. Indoor fan speed is regulated automatically from the lowest grade to the setting grade according to evaporator temperature when the unit just starts heating operation. This function can prevent cold air blowing out to avoid discomfort to the users.
• Emergency start
• Low Ambient Cooling. With built-in low ambient kit or special designed PCB, outdoor fan speeds can be changed automatically according to condensation temperature. The air conditioner can run cooling operation even when the outdoor ambient temperature is down to -15°C.
• 1W Standby. Intelligent on-off technology enables Pioneer products automatically enter energy-saving mode when standby, cut energy consumption from normal 5W to 1W or 0.5W per hour which counts 80%~90% of saving.
• 2-way Draining. Both left and right sides of the indoor unit are possible for outstretch of connective piping and drainage hose for easy installation.
• Follow Me (Remote Thermostat). Temperature sensor built in the remote controller will sense it’s surrounding temperature. The unit will adjust the room temperature more accurately to give you comfort.
• 46°F Heating. In heating operation, the preset temperature of the air conditioner can be as low as 46°F, which keeps the room temperature steady at 46°F and prevents the house from freezing when it is unoccupied for a long time in severe cold weather.
• Chassis Heating Belt. Heating belt is fitted on the base plate of the outdoor unit to prevent defrosting water accumulation, which improves heat transfer efficiency.

Optional

• High Density Filter. Compared with ordinary dust filter, the anti-dust effect of this high density filter can increase more than 50%, it can clean dust, pollen up to 80%.
• Wireless Control. With the Wireless control, you can easily turn off each indoor unit that it is paired, outside your home via your smart phone. Furthermore, you can turn it on before you come back.
• Remote in Engineer Mode

• Indoor Unit
• Outdoor Unit
• Wireless Remote Control
• R410A Pre-Charged Outdoor Unit
• Various Installation Kit Options Available
• Flare Connection Leak Guard Sealer
• Installation Manual
• User’s Manual
• Manufacturer Warranty

• User Manual
• Installation Manual
• Service Manual
• Energy Guide
  

• Exceptional Efficiency – 9,000 BTU capacity with an outstanding 24 SEER rating, delivering excellent energy savings.
• Inverter++ Technology – Provides ultra-efficient performance by adjusting compressor speed for precise temperature control.
• Quiet & Comfortable – Ultra-quiet operation makes it perfect for bedrooms, offices, or small living spaces.
• Year-Round Comfort – Reliable cooling and heating, perfect for year-round climate control.
• Eco-Friendly – Uses R-32 refrigerant, offering a more sustainable, environmentally friendly option.
• Easy Installation – Complete system with everything needed for a straightforward setup process.

Q: What is the Pioneer 9,000 BTU 24 SEER Ductless Mini-Split Inverter++?
A: The Pioneer 9,000 BTU 24 SEER Ductless Mini-Split Inverter++ (model WYS009GMFI22RL-25) is an energy-efficient, high-performance ductless mini-split air conditioning system. With a 9,000 BTU capacity and a 24 SEER rating, it delivers exceptional cooling and heating power while minimizing energy consumption for smaller spaces or rooms.

Q: What makes this system energy-efficient?
A: This mini-split system is equipped with Inverter++ technology, which continuously adjusts the compressor speed based on the desired room temperature. This provides precise control, minimizes energy wastage, and reduces electricity bills. The 24 SEER rating signifies its high energy efficiency, making it ideal for eco-conscious consumers.

Q: How much area can the 9,000 BTU unit cool or heat?
A: The 9,000 BTU capacity is perfect for small to medium-sized rooms such as bedrooms, offices, or living rooms, typically covering an area of around 250-350 square feet, depending on room insulation and other factors.

Q: Is this unit suitable for both cooling and heating?
A: Yes, the Pioneer 9,000 BTU Ductless Mini-Split Inverter++ system provides both cooling and heating capabilities, making it an ideal year-round solution for your home or office.

Q: Does the system include installation components?
A: The system comes with an indoor unit, an outdoor unit, and the necessary parts for installation. However, installation is typically recommended by professionals to ensure proper setup, especially if you're unfamiliar with HVAC systems.

• Clean or Replace Air Filters: Clean or replace the air filters every 1-3 months to ensure optimal airflow and indoor air quality. A dirty filter can reduce system efficiency and increase energy consumption.
• Inspect and Clean Coils: Keep the evaporator and condenser coils free from dirt and debris by cleaning them every 6-12 months with a soft brush or coil cleaner. Dirty coils reduce heat exchange efficiency.
• Check and Clear the Condensate Drain: Regularly inspect the condensate drain for clogs. A blocked drain can lead to water overflow, mold buildup, and system damage. Clear it with warm water or a wet/dry vacuum.
• Inspect Refrigerant Lines and Insulation: Examine refrigerant lines for leaks or damage, and make sure insulation is intact. Damaged lines or missing insulation can reduce efficiency and cause condensation issues.
• Keep the Outdoor Unit Clear: Remove leaves, dirt, and debris from the outdoor condenser unit to ensure proper airflow and prevent overheating. This keeps the system working efficiently.
• Test System Performance: Run the unit in both heating and cooling modes periodically to check performance. If the system is not maintaining consistent temperatures, schedule an inspection.
• Listen for Unusual Noises: If you hear rattling, buzzing, or hissing sounds, these could be a sign of loose components, refrigerant issues, or airflow problems. Contact a technician for a checkup.
• Schedule Annual Professional Maintenance: To keep your system operating at peak performance, have a technician inspect the refrigerant levels, clean the internal components, and perform any necessary adjustments. Regular maintenance will extend the lifespan of your mini-split.