1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Daikin Aurora 24,000 BTU 21 SEER2 Low Ambient Ductless Mini Split Air Conditioner Heat Pump. Please read this manual thoroughly before using the unit and retain it for future reference.
2. Safety Information
Important Safety Instructions:
- Always ensure the unit is properly grounded.
- Do not attempt to repair or modify the unit yourself. Contact a qualified service technician.
- Keep children and pets away from the outdoor unit.
- Ensure proper ventilation around both indoor and outdoor units.
- Turn off the power supply before performing any maintenance or cleaning.
3. Package Contents
Verify that all components are present upon unpacking:
- Daikin RXT24AVJU9 24,000 BTU Aurora R-32 Series Low Ambient Heat Pump Air Conditioner Condenser
- FTXV24AVJU9 24,000 BTU Wall-Mounted Indoor Unit
- Remote Control
- Maxwell 15 ft Installation Kit (includes communication cable, copper lines, wall filler putty, decorative wall cap, wall sleeve cylinder, outdoor unit wall bracket, non-adhesive decorative wrapping tape, 6 ft. flexible condensate drain hose)
- Outdoor Wall Mounting Bracket

Figure 3.1: Overview of the Daikin Aurora Mini Split system and its included components, including the indoor unit, outdoor condenser, remote control, and the Maxwell 15 ft installation kit.

Figure 3.2: Detailed view of the Maxwell All-Inclusive Installation Kit, showing the copper lines, interconnecting cable, wall filler putty, decorative wall cap, wall sleeve cylinder, outdoor unit wall bracket, wrapping tape, and condensate drain hose.
4. Setup and Installation
The Daikin Aurora Mini Split system requires professional installation by a certified technician to ensure proper function, safety, and warranty validity. The Maxwell 15 ft installation kit and outdoor wall bracket are provided to facilitate this process.
Key Installation Considerations:
- Location: Select appropriate locations for both the indoor and outdoor units, ensuring adequate airflow and clearance.
- Mounting: Securely mount the indoor unit to a wall and the outdoor condenser using the provided wall bracket.
- Refrigerant Lines: Connect the pre-charged R32 refrigerant lines between the indoor and outdoor units. The system is pre-charged for up to 49 ft of line length.
- Electrical Connections: Connect the power supply (1Ph, 60 Hz, 208-230V) and communication cable according to local electrical codes and the wiring diagram.
- Drainage: Ensure the condensate drain hose is properly installed to allow for efficient water removal.
Improper installation can lead to reduced performance, system damage, and void the manufacturer's warranty.
5. Operating Instructions
The Daikin Aurora system offers various modes and features for optimal comfort control.
5.1 Remote Control Operation
The included remote control allows direct access to all functions. Point the remote control towards the indoor unit's signal receiver.
5.2 Wi-Fi and Daikin One Home App
The system features built-in Wi-Fi for remote control via the Daikin One Home app. Download the app from your device's app store and follow the in-app instructions for pairing your unit. Voice commands are also supported through Alexa and Google Home.
5.3 Operating Modes
- Auto Mode: Automatically selects cooling or heating based on the room temperature and desired setting.
- Cool Mode: Provides cooling operation.
- Heat Mode: Provides heating operation.
- Dry Mode (Program Dry): Reduces humidity in the room.
- Fan Only Mode: Circulates air without heating or cooling.
5.4 Special Features
- Adjustable Airflow Rate and Direction: Control the fan speed and louver position for customized air distribution.
- Comfort Mode: Optimizes airflow to prevent direct drafts on occupants.
- Powerful Operation Mode: Provides rapid cooling or heating for quick temperature adjustments.
- ECO+ Mode: Energy-saving mode that minimizes power consumption.
- Hot Start: Prevents cold drafts during heating operation by delaying fan activation until the coil is warm.
- Sleep Mode: Adjusts temperature settings gradually for comfortable sleep and energy savings.
- Timer Settings: Program the unit to turn on or off at specific times.
- Self-Diagnostics with Digital Display: Provides error codes for easier troubleshooting.

Figure 5.1: Diagram of the FTXV Series wall-mounted indoor unit, highlighting components like the air inlet, front panel, flap, louvers, air outlet, display, and internal filters. Key features and control elements are also indicated.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your Daikin Aurora system.
6.1 Air Filter Cleaning
The indoor unit is equipped with 2-Washable Air Filters and 2-Titanium Apatite Deodorizing Filters. Clean the washable filters regularly (e.g., every two weeks or as needed) by rinsing them with water. The Titanium Apatite filters should be cleaned and replaced according to the manufacturer's recommendations in the full product manual.
6.2 Outdoor Unit Maintenance
Keep the area around the outdoor unit clear of debris, leaves, and snow to ensure proper airflow. The heat exchanger features a Blue Fin anti-corrosion treatment for enhanced durability.
6.3 Professional Servicing
It is recommended to have the system inspected and serviced by a qualified HVAC technician annually to check refrigerant levels, electrical connections, and overall system health.
7. Troubleshooting
If you encounter issues with your unit, refer to the self-diagnostics display for error codes. Common issues and basic troubleshooting steps are provided below. For complex problems, contact a certified technician.
- Unit Not Turning On: Check power supply, circuit breaker, and ensure the remote control batteries are functional.
- Insufficient Cooling/Heating: Verify temperature settings, clean air filters, ensure no obstructions to airflow, and check if doors/windows are closed.
- Unusual Noises: Minor operational noises are normal. Excessive or unusual noises may indicate a problem requiring professional inspection.
- Water Leakage: Check the condensate drain hose for blockages or improper installation.
8. Specifications
| Specification | Value |
|---|---|
| Brand | DAIKIN |
| Model Info | RXT24AVJU9+FTXV24AVJU9 |
| Capacity | 24,000 BTU (2 Tons) |
| Cooling Capacity (Min-Max) | 7,000 BTU - 26,400 BTU |
| Heating Capacity (Min-Max) | 6,200 BTU - 32,000 BTU |
| SEER2 Rating | 21 |
| HSPF2 Rating | 9.6 |
| EER2 Rating | 12 |
| COP | 1.8 |
| Refrigerant Type | R-32 |
| Power Supply | 1Ph, 60 Hz, 208-230V |
| MOP | 25A |
| Cooling Operation Range | 50°F to 114.8°F |
| Heating Operation Range | -13°F to 64.4°F |
| Noise Level (Indoor) | 34 dB |
| Estimated Floor Area Coverage | Up to 1500 Square Feet |
| AHRI Certified | #215389736 |

Figure 8.1: Illustration of the Daikin Aurora outdoor unit, highlighting its enhanced low ambient capacity, pre-charged R32 refrigerant, energy-efficient variable speed inverter compressor, and Blue Fin anti-corrosion treatment on the heat exchanger.
9. Warranty and Support
The Daikin Aurora Mini Split system comes with a 12-YEAR MANUFACTURER WARRANTY. This warranty is valid when the system is installed by a certified technician.
For warranty claims, technical support, or service inquiries, please contact Daikin customer service or your authorized Daikin dealer. Retain your proof of purchase and installation records for warranty purposes.





