This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. OPERATION MANUAL SPLIT SYSTEM Ducted Air Conditioner
: Shut off all power supplies to the indoor and outdoor units to prevent electric shock.
Installation should be performed by qualified service personnel.
Direct sunlight or near heat sources (lamps, radiators, electronics).
| | Probable Cause | Solution/Action | | :--- | :--- | :--- | | System does not operate | Power failure, blown fuse, or tripped circuit breaker | Wait for power to be restored or reset the breaker. | | System stops after a while | Blocked air inlet/outlet or clogged air filter | Remove obstacles and clean the filter(s). | | "MALFUNCTION CODE" appears | System error detected | Note the code and contact a Daikin dealer. | | "Not Available" appears | Attempting unsupported function when HRV unit is not linked via direct duct | Use only supported functions. Consult manual for limitations. | daikin brc1c51 61 installation manual
For further assistance, you can refer to the official Daikin Comfort documentation or the Daikintech Quick Reference guide. Daikin Air Conditioning Fault Codes Explained [Infographic]
Connect the wires to the matching and P2 terminals on the indoor unit's terminal block. Because the system is non-polar, it does not matter which wire goes to P1 or P2, as long as they form a complete circuit.
: If controlling one unit with two controllers, one must be set as the "Sub RC" by holding the Mode button for 4 seconds during power-up.
Ensure the unit is not hidden behind doors, curtains, or shelving. Step-by-Step Mounting Instructions This public link is valid for 7 days
If you need help configuring specific , adjusting the thermostat sensor properties , or setting up a group control system for multiple indoor units, please let me know. Share public link
: Ensure the controller is not installed in direct sunlight or near heat sources, as this affects the internal sensor.
After physically mounting the controller, use this checklist to ensure the system is correctly set up:
To configure specific system attributes (like high-ceiling settings, filter timers, or external static pressure adjustments), you must enter the Field Settings mode: Can’t copy the link right now
Below is a helpful summary of the installation and initial setup steps based on standard Daikin technical manuals 1. Pre-Installation Check Power Off: shut off the main power supply at the circuit breaker before starting any electrical work. Avoid Interference: Install the controller away from power lines to avoid electrical noise that could disrupt communication.
Before you close the ceiling access panel, ensure you have:
Fasten the lower case to a flat surface using the provided screws.