1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Daikin FTXC35D / RXC35D Inverter Air Conditioner. Please read this manual thoroughly before using the unit and keep it for future reference. This Daikin air conditioning system is designed to provide comfortable indoor climate control with high energy efficiency, utilizing R-32 refrigerant for reduced environmental impact.
2. Safety Information
Always observe the following safety precautions to prevent personal injury or property damage.
- Professional Installation: Installation, relocation, and maintenance of this unit must be performed by a qualified service technician. Improper installation can lead to electric shock, fire, or water leakage.
- Power Supply: Ensure the power supply matches the unit's specifications. Do not use extension cords or multi-outlet adapters.
- Electrical Safety: Do not operate the unit with wet hands. Do not insert fingers or objects into the air inlet/outlet.
- Refrigerant: The unit uses R-32 refrigerant. Do not attempt to modify or repair the refrigerant circuit yourself. Contact a qualified technician for any refrigerant-related issues.
- Cleaning: Always turn off the power supply before cleaning the unit. Use a soft, dry cloth. Do not use water or volatile liquids.
- Children and Pets: Keep children and pets away from the unit. Do not allow them to play with the remote control.
- Ventilation: Ensure adequate ventilation in the room, especially if other heating appliances are in use.
3. Package Contents
Verify that all components are present before installation.
- Indoor Unit (FTXC35D)
- Outdoor Unit (RXC35D)
- Remote Control with Batteries
- User Manual (this document)
- Installation Plate (for indoor unit)
- Drain Hose
- Insulation Materials
- Connecting Pipes (may be supplied separately)
4. Setup and Installation
Installation of this Daikin split system air conditioner requires specialized tools and knowledge. It is strongly recommended that installation be performed by a certified HVAC professional to ensure proper function, safety, and warranty validity.
4.1. Site Selection
- Indoor Unit: Choose a location that allows for even air distribution, away from direct sunlight or heat sources. Ensure sufficient space around the unit for maintenance.
- Outdoor Unit: Select a well-ventilated area, free from obstructions, and with sufficient space for airflow and service access. Avoid locations exposed to strong winds or excessive dust. The unit can be installed on a roof, terrace, or against an exterior wall.
4.2. General Installation Steps (for professional reference)
- Mount the installation plate on the wall for the indoor unit.
- Drill a hole in the wall for the piping and drain hose.
- Connect the refrigerant pipes and electrical wiring between the indoor and outdoor units.
- Perform vacuuming and refrigerant charging (if necessary).
- Connect the drain hose and ensure proper drainage.
- Secure the outdoor unit in its chosen location.
- Perform a test run to verify correct operation.

Image 1: Daikin FTXC35D Indoor Unit (left) and RXC35D Outdoor Unit (right). The indoor unit features a flat, elegant front panel designed to blend seamlessly with various interior decors. The outdoor unit is robust and designed for easy installation on a roof, terrace, or exterior wall, featuring an anti-corrosion treated heat exchanger.
5. Operating Instructions
Your Daikin air conditioner offers various modes and settings for optimal comfort.
5.1. Remote Control Overview
The remote control allows you to manage all functions of your air conditioner. Point the remote control directly at the indoor unit when operating.
5.2. Basic Operation Modes
- COOL Mode (❄): For cooling the room. Set your desired temperature using the temperature adjustment buttons.
- HEAT Mode (🔥): For heating the room. Available on heat pump models.
- FAN Mode (💨): Circulates air without heating or cooling. Fan speed can be adjusted.
- DRY Mode (💧): Reduces humidity in the room.
- AUTO Mode (🔄): The unit automatically selects the appropriate mode (Cool, Heat, or Fan) based on the room temperature and your set temperature.
5.3. Temperature and Fan Speed Adjustment
- Use the ▲ / ▼ buttons to adjust the desired temperature.
- Press the FAN button to cycle through fan speed settings (Auto, Low, Medium, High).
5.4. Timer Function
Set the unit to turn ON or OFF automatically at a specified time. Refer to your remote control's specific instructions for detailed timer setup.
5.5. Optional Daikin Residential Controller (Wi-Fi)
If equipped with the optional Daikin residential controller, you can control your indoor unit remotely via a smartphone application, local network, or the internet. Refer to the separate manual provided with the Wi-Fi controller for setup and operation instructions.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your air conditioner. Always disconnect power before performing any maintenance.
6.1. Air Filter Cleaning (Indoor Unit)
Clean the air filters every two weeks or more frequently if the unit is used often or in dusty environments.
- Open the front panel of the indoor unit.
- Remove the air filters.
- Clean the filters with a vacuum cleaner or wash them with lukewarm water. If washing, allow them to dry completely in a shaded area before reinstallation.
- Reinstall the dry filters and close the front panel.
6.2. Outdoor Unit Cleaning
Periodically check the outdoor unit for any obstructions (leaves, debris) around the air inlet and outlet. Gently remove any blockages. For thorough cleaning of the heat exchanger coils, contact a professional service technician.
6.3. Seasonal Checks
- Before the cooling season, ensure the drain hose is clear and not blocked.
- Check for any unusual noises or odors during operation. If detected, contact service.
7. Troubleshooting
Before contacting service, review the following common issues and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not start | No power supply; Remote control batteries depleted; Timer function active. | Check circuit breaker; Replace batteries; Cancel timer setting. |
| Insufficient cooling/heating | Dirty air filters; Blocked outdoor unit; Doors/windows open; Temperature setting incorrect; Room too large for unit capacity. | Clean air filters; Clear obstructions from outdoor unit; Close doors/windows; Adjust temperature; Consult a professional for capacity assessment. |
| Unusual noise | Loose parts; Fan obstruction; Refrigerant flow noise (normal). | Check for loose parts (if accessible and safe); Remove fan obstruction (if safe); If noise persists or is abnormal, contact service. |
| Water leakage from indoor unit | Blocked drain hose; Improper installation. | Check and clear drain hose; Contact a professional for inspection and repair. |
If the problem persists after attempting these solutions, turn off the power supply and contact your Daikin service provider.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | Daikin |
| Indoor Unit Model | FTXC35D |
| Outdoor Unit Model | RXC35D |
| Dimensions (Indoor Unit L x W x H) | 23.4 x 77 x 28.8 cm |
| Energy Efficiency (Cooling) | A++ |
| Energy Efficiency (Overall Range) | A+++ to D |
| Capacity | 1 Tonne (approx. 12000 BTU) |
| Noise Level | 19 Decibels |
| Installation Type | Split System |
| Refrigerant | R-32 |
| Voltage | 230 Volts |
| Power | 5680 Watts |
| Special Feature | Inverter |
| SEER (Seasonal Energy Efficiency Ratio) | 7 |
| Filter Type | Pre-filter |
9. Warranty and Support
For warranty information, terms, and conditions, please refer to the warranty card included with your product or visit the official Daikin website. For technical support, service requests, or inquiries about spare parts, please contact your authorized Daikin dealer or service center. Ensure you have your model number (FTXC35D) and purchase date available when contacting support.





