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When using a mini split sizing calculator for rooms below a conditioned space, apply an additional .7 factor to your final Btu outcome.
For example, if your Btu requirement via this calculator is 18,000 Btu's: 18,000 Btu's x .7 factor = 12,600 Btu's required. When in doubt, it is okay to go up a size or two. Unlike standard non-variable systems, The mini split inverter technology allows the system to adjust to the actual room requirements in both heating and cooling.
This system includes one Daikin AURORA MXM multi-zone inverter-driven heat pump condenser rated for up to 18,000 BTUs and supports up to 2 compatible indoor units. Indoor units must be selected from Daikin-approved combinations for the included outdoor condenser. Approved indoor unit combinations may exceed the condenser's nominal BTU rating.
Model Number
2MXTH18AVJU9
Dimensions
34-1/4" W x 12-5/8" D x 29-1/2" H
Documents
Limited Warranty
Parts: 12 years
AHRI Number
214837761
SEER2
21
The Daikin AURORA 2MXTH18AVJU9 is an 18,000 BTU class two-zone mini split heat pump condenser designed for efficient year-round comfort with added cold-weather protection from a drain pan heater. Featuring Daikin inverter technology and R32 refrigerant, this outdoor unit adjusts compressor operation to changing heating and cooling demands while helping maintain consistent indoor comfort.
Designed for demanding climates, the AURORA multi-zone platform provides 100% heating performance down to 0°F and operates in heating mode at outdoor temperatures as low as -13°F. The integrated drain pan heater provides additional protection for cold-weather operation, while efficiency ratings up to 21 SEER2 and 10 HSPF2 help deliver efficient multi-zone heating and cooling.
The 2MXTH18AVJU9 includes a drain pan heater to provide additional protection during cold-weather heat pump operation. By helping manage freezing conditions around the outdoor unit's drain pan, this feature makes the 2MXTH version particularly well suited for installations where extended periods of low outdoor temperatures are expected.
Instead of repeatedly cycling the compressor on and off like a conventional fixed-speed system, Daikin inverter technology adjusts compressor speed according to changing comfort demands. This helps minimize temperature fluctuations, reduce wasted operation, and maintain more consistent heating and cooling throughout the conditioned spaces.
Daikin AURORA is engineered to continue providing heat when outdoor temperatures fall. The system delivers 100% heating performance down to 0°F and supports heating operation at temperatures as low as -13°F, providing dependable heat pump performance through demanding winter conditions.
The 2MXTH18AVJU9 supports compatible two-zone configurations, allowing a single outdoor condenser to serve two indoor comfort zones. Each properly matched indoor unit can address the comfort requirements of its individual space, providing flexible temperature control across multiple areas.
The AURORA 2MXTH18AVJU9 uses R32 refrigerant, which has a lower Global Warming Potential than R410A. Combined with Daikin inverter technology, R32 supports the next generation of efficient Daikin residential heating and cooling equipment.
An anti-corrosion treatment on the outdoor heat exchanger uses a hydrophilic coating designed to help keep the outdoor coil clean through rainfall or simple rinsing. This protective treatment helps support long-term system efficiency and durability.
Choose the Daikin AURORA 2MXTH18AVJU9 18,000 BTU Multi-Zone Heat Pump Condenser for efficient two-zone comfort with additional drain pan heating for cold-weather applications. Always verify approved indoor-unit combinations and system matchups before selecting equipment.
Compatible Indoor Unit Models: FTXV09AVJU9, FTXV12AVJU9, FTXV15AVJU9, FTXV18AVJU9, FTXV24AVJU9
Daikin FTXV Series Wall-Mounted Mini Split Indoor Units are designed to provide efficient heating and cooling for residential and light commercial applications. Available in capacities from 9,000 BTU to 24,000 BTU, these indoor units combine advanced inverter technology, intelligent airflow management, and quiet operation to deliver dependable year-round comfort without the need for traditional ductwork.
Compatible with select Daikin R-32 single-zone and multi-zone heat pump systems, these sleek wall-mounted indoor units feature built-in WiFi connectivity, advanced air filtration, and convenient wireless control. Whether installed in bedrooms, living rooms, home offices, additions, or open-concept spaces, the FTXV Series provides precise temperature control, improved indoor air quality, and outstanding energy efficiency.
Who installs the AC unit after I purchase it?
ACDirect does not yet provide installation services directly. However, most of our customers successfully arrange installation through local licensed HVAC contractors. These systems are designed for professional installation and typically include the components your installer will need.
Here’s how it works:
Note:
Please be aware if you choose to install HVAC equipment yourself and don’t possess proper HVAC licensing, you will void the manufacturer’s factory warranty. If you are capable of a factory-compliant installation yourself, you will need a licensed HVAC contractor to sign off on your work, fully confirming factory-compliant workmanship.
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