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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.
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This system includes one Daikin AURORA MXT multi-zone inverter-driven heat pump condenser rated for up to 24,000 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
3MXTH24AVJU9
Dimensions
43-5/16" W x 18-1/8" D x 34-1/4" H
Documents
Warranty
Parts: 12 years
AHRI Number
Mixed: 218043338
Ducted: 218043337
Non-Ducted: 217747239
SEER2
Mixed: 17.5
Ducted: 16
Non-Ducted: 19
The Daikin 3MXTH24AVJU9 AURORA Series outdoor condenser is designed for homeowners who need reliable ductless heating and cooling performance in colder climates. This 24,000 BTU multi-zone heat pump system supports up to three indoor units while delivering dependable comfort even during extreme winter conditions.
Featuring a factory-installed drain pan heater, advanced inverter compressor technology, and Daikin’s cold-climate engineering, the 3MXTH24AVJU9 maintains heating performance in temperatures as low as -13°F. Its energy-efficient R-32 refrigerant platform and quiet operation make it an ideal solution for modern homes seeking zoned comfort and lower energy costs.
Compatible Indoor Unit Models: FTXV09AVJU9, FTXV12AVJU9, FTXV15AVJU9, FTXV18AVJU9, FTXV24AVJU9
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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