1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Daikin 26,000 Btu 17.7 SEER2 R-32 3-Zone Ductless Mini Split Heat Pump System. Please read this manual thoroughly before using the unit and retain it for future reference. Proper understanding and adherence to these instructions will ensure optimal performance and longevity of your system.
2. Safety Information
Important Safety Instructions:
- Installation and maintenance must be performed by qualified service personnel only. Improper installation can result in electric shock, fire, or water leakage.
- Do not attempt to repair, relocate, or modify the system yourself. Contact a qualified service technician for all repairs and adjustments.
- Ensure the power supply is disconnected before performing any cleaning or maintenance.
- Do not insert fingers or objects into the air inlet or outlet.
- Keep the area around the outdoor unit clear of obstructions to ensure proper airflow.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
3. Product Overview
The Daikin 3-Zone Ductless Mini Split Heat Pump System provides efficient heating and cooling for multiple areas. It consists of one outdoor unit, three indoor units, and three remote controls.

Figure 3.1: Complete Daikin 3-Zone Mini Split System. This image displays the entire system, including three white rectangular indoor units, one larger white outdoor compressor unit with a fan grille, and three white handheld remote controls.
3.1 Outdoor Unit
The outdoor unit houses the compressor and condenser coil, responsible for heat exchange with the outside air.

Figure 3.2: Daikin Outdoor Unit. This image shows a close-up of the white rectangular outdoor unit, featuring a large circular fan grille on the front panel and the Daikin logo.
3.2 Indoor Units
Each indoor unit is designed to be mounted on a wall and delivers conditioned air to a specific zone within your space.

Figure 3.3: Daikin Indoor Unit. This image displays a single white, sleek, rectangular indoor unit designed for wall mounting, with an air outlet flap at the bottom.
3.3 Remote Control
The wireless remote control allows you to conveniently adjust settings for each indoor unit.

Figure 3.4: Daikin Remote Control. This image shows a white handheld remote control with an LCD screen at the top and numerous buttons for various functions like power, mode, temperature, and fan speed.
4. Setup
4.1 Installation
The Daikin Mini Split Heat Pump System requires professional installation. It is crucial that a certified HVAC technician performs the installation to ensure proper functioning, safety, and compliance with local codes. Attempting self-installation may void your warranty and lead to system damage or personal injury.
4.2 Initial Power-Up
After professional installation, ensure the main power supply to the outdoor unit is switched on. The indoor units will typically perform an initial self-check. Refer to the installer for specific first-time startup procedures.
5. Operating Instructions
Each indoor unit is controlled independently by its dedicated remote control.
5.1 Remote Control Functions
Familiarize yourself with the buttons on the remote control (refer to Figure 3.4). Common functions include:
- ON/OFF: Powers the unit on or off.
- MODE: Selects operating mode (Cool, Heat, Fan, Dry, Auto).
- TEMP ▲/▼: Adjusts the desired temperature.
- FAN: Changes fan speed (Auto, Low, Medium, High).
- SWING: Controls the louver's vertical airflow direction.
- QUIET: Activates low noise operation.
- COMFORT: Adjusts airflow for optimal comfort.
- TIMER: Sets on/off timers.
5.2 Operating Modes
- COOL Mode: For cooling the room. Set the desired temperature.
- HEAT Mode: For heating the room. Set the desired temperature.
- FAN Mode: Circulates air without heating or cooling.
- DRY Mode: Reduces humidity in the room.
- AUTO Mode: The system automatically selects cooling or heating based on the room temperature and your set temperature.
5.3 Temperature Adjustment
Use the TEMP ▲ (up) and ▼ (down) buttons to set your desired temperature. The temperature range typically varies between 64°F (18°C) and 86°F (30°C).
5.4 Fan Speed Adjustment
Press the FAN button to cycle through available fan speeds: Auto, Low, Medium, and High. Auto mode adjusts the fan speed automatically based on the room's heating or cooling needs.
6. Maintenance
Regular maintenance ensures efficient operation and extends the lifespan of your Daikin system. Always disconnect power before performing any maintenance.
6.1 Air Filter Cleaning
Clean the air filters in each indoor unit every two weeks, or more frequently depending on usage and air quality. Clogged filters reduce efficiency and airflow.
- Open the front panel of the indoor unit.
- Remove the air filters.
- Clean the filters using a vacuum cleaner or wash them with lukewarm water. Allow them to dry completely before reinserting.
- Close the front panel securely.
6.2 Outdoor Unit Cleaning
Periodically check the outdoor unit for debris, leaves, or other obstructions that may block airflow. Gently remove any blockages. Do not spray water directly into the electrical components.
6.3 Professional Servicing
It is recommended to have your system professionally inspected and serviced by a qualified technician annually. This includes checking refrigerant levels, electrical connections, and coil cleanliness.
7. Troubleshooting
Before contacting service, review the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not operate | No power; Remote control batteries low; Timer set | Check power supply; Replace batteries; Cancel timer setting |
| Insufficient heating/cooling | Dirty air filters; Blocked outdoor unit; Incorrect temperature setting; Doors/windows open | Clean air filters; Clear obstructions; Adjust temperature; Close openings |
| Unusual noise | Loose parts; Debris in fan; Refrigerant flow sound (normal) | Contact service if persistent or loud; Check for debris |
| Water leakage from indoor unit | Clogged drain hose; Improper installation | Contact qualified service personnel immediately |
If the problem persists after attempting these solutions, please contact a qualified service technician.
8. Specifications
Key technical specifications for the Daikin 26,000 Btu 17.7 SEER2 R-32 3-Zone Ductless Mini Split Heat Pump System:
| Specification | Value |
|---|---|
| Brand | DAIKIN |
| Model | 7K-7K-12K |
| Cooling/Heating Capacity | 26,000 Btu |
| Seasonal Energy Efficiency Ratio (SEER) | 17.7 |
| Refrigerant Type | R-32 |
| Number of Zones | 3-Zone |
| Wattage | 7617 watts |
| Compressor Type | Rotary Scroll |
| Control Method | Remote |
| UPC | 633190238702 |
9. Warranty and Support
For specific warranty details, please refer to the warranty card included with your product or contact Daikin customer support. Keep your proof of purchase for warranty claims.
For technical support, service inquiries, or to locate an authorized Daikin service provider, please visit the official Daikin website or contact their customer service line. Contact information can typically be found on the Daikin brand store page or in your product packaging.





