Daikin FVXV18AVJUW9 / RXP18AVJU9 – 18,000 BTU R-32 AURORA Floor-Mounted Heat Pump System

The Daikin FVXV18AVJUW9 floor-mounted indoor unit and RXP18AVJU9 outdoor heat pump combine to create a high-efficiency R-32 ductless system designed for residential and light commercial applications. Delivering 17,600 BTU of rated cooling and 20,000 BTU of rated heating , this 18,000 BTU-class AURORA system provides quiet operation, flexible airflow distribution, and inverter-driven performance for reliable year-round comfort, even in extreme cold climates.

Designed for flexible installation, the low-profile indoor unit can be positioned on the floor or mounted low on a wall, making it an excellent solution for living rooms, finished basements, home additions, larger bedrooms, and spaces where traditional wall-mounted mini-splits are not ideal.

General Information

System Type: Floor-Mounted Ductless Heat Pump System

Indoor Model: FVXV18AVJUW9

Outdoor Model: RXP18AVJU9

Capacity: 17,600 BTU Cooling / 20,000 BTU Heating

Nominal Capacity Class: 18,000 BTU / 1.5 Tons

Series: Daikin AURORA

Ideal For: Larger bedrooms, living areas, home offices, apartments, sunrooms, basements, additions, and light commercial applications

Operating Modes: Auto, Cool, Heat, Dry, Fan

Refrigerant: R-32

Factory Charge: Pre-charged for up to 49-1/4 ft of piping

Air Distribution: Adjustable right, left, horizontal, and downward airflow

Control Options: Compatible with optional Daikin wired remote controllers, Daikin ONE smart thermostats, SkyportHome App through an appropriate adapter, DKN Residential Cloud Wi-Fi Adapter, and DKN Plus Interface.

Key Features

• Compact Floor-Mounted Design – Provides a discreet, low-profile heating and cooling solution that can be installed on the floor or mounted low on a wall, making it ideal for installation beneath windows

• High-Efficiency Inverter Operation – R-32 inverter outdoor unit adjusts compressor operation to provide efficient and consistent heating and cooling

• Heating & Cooling Performance – Delivers 17,600 BTU of rated cooling and 20,000 BTU of rated heating

• High Efficiency – Rated at 19.5 SEER2, 12 EER2, and 9.5 HSPF2 in the listed system combination

• Cold Climate Heating Performance – Daikin AURORA technology provides up to 100% rated heating capacity at 5°F and continuous heating operation down to -13°F

• Flexible Airflow Distribution – Adjustable right, left, horizontal, and downward airflow helps distribute conditioned air throughout the space

• Quiet Indoor Operation – Indoor sound pressure levels as low as 33 dBA during heating and 34 dBA during cooling

• Comfort Mode – Automatically adjusts airflow direction to reduce uncomfortable drafts during cooling and direct warm air downward during heating

• Powerful Operation Mode – Provides a temporary 20-minute boost in heating or cooling performance when additional comfort is needed

• Titanium Apatite Photocatalytic Air-Purifying Filter – Helps reduce odors and airborne contaminants for improved indoor air quality

• Removable, Washable Air Filter – Mildew-resistant filter design simplifies maintenance and supports cleaner indoor airflow

• Auto Restart – Automatically restores previous operating settings following a power interruption

• Automatic Defrosting – Helps maintain efficient heating performance by reducing frost accumulation on the outdoor heat exchanger

• Hot Start Function – Helps prevent uncomfortable cold drafts when heating operation begins or when switching from cooling to heating

• Low-Ambient Cooling Capability – Cooling operation can extend down to -4°F with the appropriate optional air-direction adjustment grille and required field settings

• Flexible Installation – Supports up to 98-1/2 ft of total refrigerant piping and up to 65-5/8 ft of vertical separation

Specifications (Rated Conditions)

Cooling & Heating Performance

• Rated Cooling Capacity: 17,600 BTU/h

• Cooling Capacity Range: 6,200–21,400 BTU/h

• Rated Heating Capacity: 20,000 BTU/h

• Heating Capacity Range: 8,300–21,800 BTU/h

• SEER2: 19.5

• EER2: 12

• HSPF2: 9.5

• Rated COP (Catalog): 1.8

• Cooling Operating Range: 50°F–115°F

• Low-Ambient Cooling: 14°F–115°F with required field settings

• Extended Low-Ambient Cooling: Down to -4°F with appropriate optional accessory and field settings

• Heating Operating Range: -13°F–65°F

• Cold Climate Performance: Up to 100% rated heating capacity at 5°F

Indoor Unit (FVXV18AVJUW9)

• Unit Type: Floor-Mounted Indoor Unit

• Color: White

• Cooling Airflow (H/M/L/SL): 448 / 332 / 286 / 240 CFM

• Heating Airflow (H/M/L/SL): 455 / 360 / 290 / 240 CFM

• Fan Speeds: 5 Steps, Quiet, Auto

• Dimensions: 23-5/8"H x 29-1/2"W x 9-3/8"D

• Weight: 40 lb

• Cooling Sound Pressure Level (H/M/L/SL): 49 / 42 / 38 / 34 dBA

• Heating Sound Pressure Level (H/M/L/SL): 49 / 43 / 37 / 33 dBA

• Liquid Line Connection: 1/4"

• Gas Line Connection: 1/2"

• Condensate Connection: 13/16"

• Air Filter: Removable, Washable, Mildew Proof

• Air Direction Control: Right, Left, Horizontal, Downward

• Installation Configuration: Floor-standing or low-wall-mounted

Outdoor Unit (RXP18AVJU9)

• Compressor Type: Inverter

• Compressor Motor Output (Cooling/Heating): 1,467 / 1,724 W

• Cooling Outdoor Airflow: 2,383 CFM

• Heating Outdoor Airflow: 2,327 CFM

• Dimensions: 29-1/2"H x 34-1/4"W x 12-5/8"D

• Weight: 127 lb

• Refrigerant: R-32

• Power Supply: 208–230V, 1-Phase, 60Hz

• Minimum Circuit Ampacity: 21.4A

• Maximum Overcurrent Protection: 25A

• Liquid Line Connection: 1/4"

• Gas Line Connection: 1/2"

• Cold Climate Heating: Operation down to -13°F

• Outdoor Heat Exchanger: Anti-Corrosion Treatment

• Automatic Defrosting: Yes

Line Set Requirements

• Liquid Line Size: 1/4"

• Gas Line Size: 1/2"

• Maximum Total Pipe Length: 98-1/2 ft

• Maximum Vertical Pipe Length: 65-5/8 ft

• Factory Pre-Charge Allowance: 49-1/4 ft

• Additional Refrigerant Charge: 0.22 oz/ft beyond factory allowance

• Refrigerant Type: R-32

Electrical

• Power Supply: 208–230V • 1-Phase • 60Hz

• Operating Voltage Range: 187–253V

• Minimum Circuit Ampacity: 21.4A

• Maximum Overcurrent Protection: 25A

• Fan/Compressor Inverter Drive Input: 17.6A

• Indoor Fan Inverter Drive Input: 0.21A

• Inverter-Controlled Compressor Operation

Included Components

• FVXV18AVJUW9 18,000 BTU-Class AURORA Floor-Mounted Indoor Unit

• RXP18AVJU9 R-32 Inverter Heat Pump Outdoor Unit

Optional accessories available for this system include wired remote controllers, Daikin ONE smart thermostats, DKN Residential Cloud Wi-Fi Adapter, DKN Plus Interface, condensate pumps, outdoor wall brackets, drain pan heaters, snow hoods, air-direction adjustment grilles, and outdoor drain plugs. Accessory compatibility should be confirmed for the 18,000 BTU model before ordering.

The manufacturer recommends an optional outdoor drain pan heater in locations where temperatures may fall below 5°F or where heavy snowfall or high wintertime humidity is expected.

Ideal For

Homeowners and business owners seeking an efficient, discreet heating and cooling solution with a compact floor-mounted appearance and reliable cold-climate performance. Perfect for:

• Larger bedrooms and primary suites

• Living rooms and family rooms

• Home offices

• Apartments and condominiums

• Sunrooms and enclosed porches

• Finished basements

• Residential additions

• Renovations and remodeling projects

• Offices and small commercial spaces

• Spaces with limited wall or ceiling installation options

• Rooms with large windows or low wall space

• Applications replacing traditional radiant heating systems

With R-32 refrigerant, 19.5 SEER2 efficiency, inverter-driven heating and cooling, reliable operation down to -13°F, quiet performance, flexible airflow distribution, and a compact AURORA floor-mounted design , the Daikin FVXV18AVJUW9 / RXP18AVJU9 system provides an efficient and attractive solution for year-round comfort.