Daikin Brc1c51 61 Installation Manual 【LATEST】
If you need a specific excerpt (e.g., wiring diagram description or DIP switch settings), let me know, and I can summarize typical details from memory. For exact diagrams, you’ll need the official PDF.
Disclaimer: This document is for informational purposes only. Always consult the official Daikin documentation and adhere to local electrical codes. If you are not a qualified technician, do not attempt electrical wiring.
These are Wired Remote Controllers used for Daikin SkyAir and VRV commercial systems.
This guide covers the installation of the Daikin BRC1C51 (Wired) and BRC1C61 (Wireless) remote controllers. These are typically used with Daikin SkyAir and VRV systems.
If you want, I can search for and summarize specific wiring diagrams or provide step-by-step DIP-switch/menu settings — tell me which model (BRC1C51 or BRC1C61) and whether you need wiring, address configuration, or sensor hookups.
The Daikin BRC1C51/61 is a wired remote controller used to manage split-system and ducted air conditioning units. Installing it involves mounting a lower case, routing control wiring to the indoor unit, and snapping the upper case into place. 1. Choosing the Installation Site
Surface: Select a flat wall surface to avoid deforming the controller's lower case when tightening screws.
Environment: Avoid areas exposed to direct sunlight, moisture, or heat sources.
Interference: Keep the controller and its wiring at least 3.3 to 3.5 feet (1 meter) away from televisions and radios to prevent electrical noise. 2. Mounting the Lower Case
Open the Controller: Use a screwdriver to lightly twist and release the tabs at the bottom to remove the upper case.
Prepare Wiring Entry: Cut out the plastic at the notched areas (top center, right, or bottom) for the wiring to enter the case.
Fix to Wall: Route the wire through the chosen hole and secure the lower case to the wall using the provided wood screws or small screws. 3. Wiring and Final Assembly
Connection: Connect the control wire to the CN_WIR connector on the printed circuit board (PCB) located on the upper case.
Indoor Unit Link: Connect the other end of the wire to the indoor unit's PCB, typically at the CN_NS connector for compatible models like the FTK/FTX series.
Snap On: Align the upper case with the four tabs on the lower case and press firmly until it clicks into place. Finish: Peel off the protective sheet from the display. 4. Initial Setup
Clock: To set the time, hold the timer button for 5 seconds until the display blinks. Use the arrow buttons to adjust the minutes and day of the week, then confirm.
Test Run: Turn on the main power. The system should take about 15–20 seconds to power up, after which you can test basic ON/OFF and mode functions. Operating Manual | Daikin Comfort
Daikin BRC1C51/61 is a wired remote controller specifically designed for VRV systems and Heat Reclaim Ventilation (HRV) units. Installing it correctly ensures precise climate control and access to advanced features like 24-hour programming and HRV integration. 1. Pre-Installation Safety and Requirements
Before starting, ensure all power supplies to the indoor unit and HRV are shut off to prevent electric shock.
Location Selection: Install on a flat surface away from direct heat sources, high humidity, or electromagnetic radiation.
Wiring Separation: Keep controller wiring (P1, P2) separate from power lines to avoid electrical noise interference.
Protection: Use putty to seal the wiring lead-in hole, preventing insects or moisture from entering the casing. 2. Mounting the Controller
Disassemble the Casing: Insert a flat-head screwdriver into the recesses at the bottom of the controller to carefully pop off the upper casing. Avoid touching the internal PCB directly.
Attach the Back Plate: Use the provided wood screws to fix the back plate to the wall. Do not over-tighten, as a deformed plate can prevent the upper casing from snapping back on correctly.
Route the Cables: Feed the two-core transmission wire through the rear or side outlets of the lower case before securing it to the wall. 3. Wiring Connections BRC1C51/61 uses a non-polar two-wire connection system. daikin brc1c51 61 installation manual
Terminals: Connect the wires to terminals P1 and P2 on the controller's terminal block.
Indoor Unit: Connect the other end of these wires to the corresponding P1/P2 terminals on the indoor unit's control board.
No Polarity: Because the signal is non-polar, it does not matter which wire goes to P1 or P2, simplifying the installation. 4. System Configuration and Field Settings
Once mounted and wired, the controller must be configured for the specific system.
Initial Power Up: Upon turning on the power, the controller will display "88" while it performs a self-diagnosis.
Master/Sub Settings: If using multiple controllers for one unit, one must be designated as the "Master" and others as "Sub" controllers.
HRV Integration: If controlling an HRV unit, you may need to set the unit to "VENTILATION" mode via the controller's mode selector.
Field Settings: Access the field setting mode (typically by holding the "Test" button for 4 seconds) to adjust parameters like filter sign intervals or external static pressure. 5. Final Checklist and Handover How to Install Daikin AC Remote Control Mount on Wall
Installing the Daikin BRC1C51/61 wired remote controller requires careful physical mounting and precise electrical wiring to ensure the HVAC system operates correctly. This guide summarizes the critical steps for a standard installation based on Daikin technical documentation. 1. Preparation and Safety
Qualified Personnel: Installation should only be performed by a qualified technician.
Power Off: Always ensure the main power supply is switched off before beginning any work.
Location Selection: Install the controller on a flat wall surface, ideally 3.5 feet (1 meter) away from electronics like TVs or radios to prevent signal interference.
Environmental Cautions: Avoid areas with high moisture, direct sunlight, or near heat sources to ensure accurate temperature sensing. 2. Physical Mounting
Disassemble the Case: Insert a flathead screwdriver into the recesses at the bottom of the controller to carefully pop off the upper case. Be cautious not to damage the internal printed circuit board (PCB).
Wire Routing: Decide if the wiring will enter from the rear (through the wall) or the top. If routing from the rear, align the wall hole with the access hole in the lower case.
Secure the Lower Case: Attach the lower case to the wall using the provided screws. Avoid over-tightening, as this can deform the plastic and cause the upper case to fit poorly. 3. Electrical Wiring
Wiring Specs: Use non-shielded, 2-conductor, stranded copper wire (typically AWG-18). Connection:
Strip approximately 3/8 inch (10 mm) of insulation from the wires.
Connect the two wires to the terminals on the controller's PCB. These are non-polar, meaning it does not matter which wire goes to which terminal.
Indoor Unit Link: The other end of the cable connects to the P1 and P2 terminals on the indoor unit's control box. 4. Hardware and Field Settings
Main/Sub Designation: If using two controllers for one unit, one must be set as "Main" and the other as "Sub" via the internal jumper settings or software.
Field Configuration: Once powered on, use the controller's service mode to set specific "Field Settings" (like high ceiling mode or filter signs) required for your specific indoor unit model.
Final Assembly: Snap the upper case back onto the lower case, ensuring no wires are pinched. 5. Troubleshooting Common Icons
If the installation is successful, the LCD display will show standard operational modes: If you need a specific excerpt (e
"Error Code": If a code like U1 or U4 appears, check for wiring polarity or communication errors.
"Centralized Control": Appears when a central controller is overriding local settings.
"Changeover Under Control": Indicates the unit is locked into a specific mode (Heat/Cool) by another controller. Installation Manual - WIRED REMOTE CONTROLLER
: Supports basic functions including ON/OFF, mode change-over (Cool, Heat, Dry, Fan, Auto), and temperature adjustment. Fan & Airflow Management : Features a Fan Speed Selector for High/Low settings and Swing Flap control to adjust airflow direction. Smart Automation : Includes a Program Timer
allowing users to schedule start or stop times up to 72 hours in advance. Maintenance Alerts : A dedicated Filter Clean Reset
button and indicator light alert users when it is time to inspect or clean the indoor return air filter. System Diagnostics Inspection/Test Operation
button allows qualified service personnel to access system modes for troubleshooting and maintenance. Advanced Comfort (Model Dependent) : Certain models feature PMV (Predicted Mean Vote) Control
, which "learns" user temperature preferences over time to automatically optimize comfort and energy costs. Installation Highlights
The installation process focuses on secure mounting and electrical safety to prevent interference: WIRED REMOTE CONTROLLER - Daikin
Daikin BRC1C51/61 is a wired remote controller primarily used for controlling Heat Reclaim Ventilation (HRV) units like the VAM-FA series
. While it shares common Daikin installation practices, it has specific wiring and mounting requirements for integration with ventilation systems. Daikintech.co.uk 1. Pre-Installation Preparation Qualified Personnel
: Installation must be performed by qualified persons familiar with local codes and this specific type of appliance. Avoid Interference
: Do not install near machinery emitting electromagnetic radiation or in locations with high concentrations of mineral oil spray (e.g., kitchens). Protection
: Keep the indoor unit and remote controller away from rain or moisture to prevent fire or electric shock. CrispAir Air Conditioning 2. Mounting the Remote Controller Casing Removal
: Insert a flat-head screwdriver into the notched area at the bottom and twist "LIGHTLY" to remove the top casing from the lower part. Wiring Entry
Determine the wiring entry point (top center, rear, or side).
Cut the plastic at the notched area and remove any burrs to avoid damaging the wires.
: Fix the lower part of the remote controller to the wall or a switch box using the provided screws. Daikin Comfort 3. Electrical Wiring Interconnection
: The BRC1C51/61 connects to the indoor unit's P1 and P2 terminals.
: The wiring between the remote controller and the indoor unit is
, meaning you can connect the wires to either P1 or P2 without strict positive/negative orientation. Group Control
: One remote can simultaneously control up to 16 indoor/HRV units by daisy-chaining the P1/P2 terminals. Two-Remote Setup
: If using two controllers for one unit, one must be set as "Main" and the other as "Sub" (Sub RC). Failure to set the sub-controller may cause an Error Code: U5 Daikin Comfort 4. Initial Field Settings
Once powered on, specific field settings may be required depending on the installation: Mode Settings : Press and hold the Inspection/Test button for 4 seconds to enter the field setting mode. Sub-Controller Set : If "Main RC" is displayed on both, hold the These are Wired Remote Controllers used for Daikin
button for 4 seconds on the second controller to switch it to "Sub RC". Filter Sign
: The controller includes a filter signal reset button to clear the "Time to clean filter" indicator after maintenance. Daikin Comfort Common Troubleshooting for BRC1C51/61 Error Code U5
: Communication error between the indoor unit and remote controller. Check for loose wiring on terminals P1/P2. No Display
: Ensure the main power is on and the wiring is correctly connected to the indoor unit's PCB.
: If the unit hangs, turn off the breaker for 30 seconds to discharge capacitors, then restart. Airway Group OPERATION MANUAL SPLIT SYSTEM Ducted Air Conditioner
The Daikin BRC1C51/61 is a wired remote controller used primarily for ducted and VRV air conditioning systems. The installation manual provides critical procedures for mounting, wiring, and initial configuration to ensure the system operates correctly without electrical interference. Key Installation Procedures
The installation process is divided into physical mounting and technical electrical connection: Preparation: Disconnect all power before starting work.
Separate the upper case (which contains the PCB) from the lower case using a flathead screwdriver in the designated recesses. Mounting the Lower Case:
Select a flat mounting surface and avoid over-tightening screws to prevent deforming the plastic, which can make the upper case difficult to snap back on.
Route wires through the top, rear, or bottom center outlets before securing the case to the wall. Wiring and Connection:
Terminals: Connect the remote controller terminals (P1, P2) to the corresponding terminals on the indoor unit.
Polarity: These wires are non-polar, meaning it does not matter which wire goes to which P1/P2 terminal. Cable Specs: Use 2-core sheathed vinyl cord or cable ( ) with a maximum length of 500 meters.
Noise Prevention: Keep control wiring at least 1 meter away from power lines and electronic devices (like TVs or radios) to avoid electrical noise interference. Field and Hardware Settings
After installation, specific configurations may be required:
Main/Sub Controller: 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.
Hardware Jumpers: The board may have jumpers to adjust the temperature range (e.g.,
) or to activate/deactivate the "Turbo" and "Quiet" features.
Field Settings: Access the service settings menu by holding the Mode button for 4 seconds or longer to adjust "Mode No." values for specific system behaviors like group control. Troubleshooting Common Install Errors
Error Code U5: Typically indicates a communication error or failure to designate a Sub-controller when two controllers are used.
Blank Screen: Often caused by poor P1/P2 connections or damage to the PCB during installation.
Temperature Inaccuracy: Ensure the controller is not installed in direct sunlight or near heat sources, as this affects the internal sensor.
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]
This is the most technical part of the manual.
Cable Requirements:
Connection Steps: