1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Fujitsu Panel Controller. Please read this manual thoroughly before using the unit to ensure proper function and to prevent damage. Keep this manual for future reference.
2. Safety Information
- Ensure the power supply matches the unit's requirements (DC12V).
- Installation and wiring should be performed by a qualified professional to prevent electrical shock or fire.
- Do not attempt to repair or modify the unit yourself. Contact service personnel for any issues.
- Keep the unit away from water and excessive humidity.
3. Setup
3.1 Mounting
The panel controller is designed for wall mounting. Use appropriate screws and anchors for secure installation. Ensure the mounting location allows for easy access and visibility of the display.
3.2 Wiring
Connect the controller to a DC12V power source. Refer to the wiring diagram on the back of the unit for correct connections. Incorrect voltage or wiring can damage the unit.

4. Operating Instructions
Familiarize yourself with the buttons and display on the front panel of the controller.

4.1 Basic Operation
- START/STOP: Press to turn the unit ON or OFF.
- SET TEMP: Use the up/down arrows next to 'SET TEMP' to adjust the desired temperature.
4.2 Mode Selection
- TIMER MODE: Press to cycle through timer settings.
- DAY: Used for setting the day in timer functions.
- FAN: Adjusts fan speed or mode.
- PROG MODE: For programming advanced settings.
- MAINTENANCE: Accesses maintenance-related functions.
- ECONOMY: Activates energy-saving mode.
4.3 Timer Functions
- CLOCK ADJUST: For setting the current time.
- SET BACK: Used in conjunction with timer settings.
- TIMER DELETE: Deletes programmed timer settings.
- TIMER SET: Sets new timer programs.
4.4 Special Functions and Indicators
- Swing Mode: To select swing mode, press the button labeled with a fan icon and '3/C' for 2 seconds.
- Filter Reset: When operating the FILTER RESET function, press the 'FILTER RESET' button for 2 seconds.
- Button Function Unavailable: If '0--' is flashing on the display, the function of the currently selected button is not available.
- Lock Setting: If 'CL' or 'PL' is flashing on the display, the unit's lock function is active.
- Defrost Indication: If 'D/C' is indicated on the display, the unit is currently stopped for defrosting.
- Setting Delay: Any setting or operation will take effect a few seconds after the applicable button has been pressed.
5. Maintenance
To ensure optimal performance and longevity of your panel controller, follow these maintenance guidelines:
- Cleaning: Wipe the surface of the controller with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth and then dry thoroughly. Do not use abrasive cleaners, solvents, or chemical sprays.
- Avoid Obstruction: Ensure that the controller's sensors (if any) are not obstructed by dust or objects.
- Regular Checks: Periodically check for any loose connections or signs of wear.
6. Troubleshooting
If you encounter any issues with your panel controller, refer to the following common problems and solutions:
- 'EE' Error Message: If the error message 'EE' is displayed, this indicates a system error. Please contact qualified service personnel for diagnosis and repair.
- Button Not Responding / '0--' Flashing: If '0--' is flashing on the display, the function of the button you are trying to use is currently unavailable. Check other settings or modes that might be conflicting.
- Unit Not Responding / 'CL' or 'PL' Flashing: If 'CL' or 'PL' is flashing on the display, the unit's lock function is active. Refer to your main HVAC unit's manual or contact service personnel to disable the lock.
- Unit Stopped / 'D/C' Indicated: If 'D/C' is indicated on the display, the unit is currently undergoing a defrost cycle. This is normal operation; the unit will resume once defrosting is complete.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | Fujitsu |
| Model Numbers | UTY-RNKYT, UTY-RNNQN, AR-6TC2, UTB-YUB/GUB |
| Type | Panel Controller |
| Power Requirement | DC12V |
| Dimensions (Approx.) | 22cm (Length) x 22cm (Width) x 22cm (Height) |
| Weight (Approx.) | 0.5 kg |
| Origin | Mainland China |
8. User Tips
- Always ensure the protective flap is closed when not actively adjusting settings to prevent accidental changes or dust accumulation.
- Take note of the display indicators; they provide crucial information about the unit's current status or any active functions.
- For optimal energy efficiency, utilize the 'ECONOMY' mode and program timers to match your usage patterns.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided with your main Fujitsu HVAC system or contact your authorized Fujitsu dealer or service center. Keep your purchase receipt as proof of purchase.





