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Use the button to change the value/setting of that parameter.
: Connect the 2-conductor wire to the CN_WIR connector on the controller's PCB and to terminals P1/P2 on the indoor unit's PCB. These terminals are not polarity sensitive.
: If you are using two remote controllers to operate the same indoor unit (e.g., in large rooms), you must assign one as MAIN and the other as SUB . daikin brc1c51 61 installation manual
Use the included wood screws to secure it. Ensure the base is level. Step 4: Connect the Wires
Before beginning the installation, ensure you have the correct tools, understand the electrical requirements, and select an optimal mounting location. Package Contents Remote controller unit (BRC1C51 or BRC1C61) Wood screws ( ) for wall mounting Small machine screws ( ) for electrical switch boxes Installation and operation manuals Required Tools and Materials Phillips screwdriver Use the button to change the value/setting of that parameter
Insert a flathead screwdriver into the small notches at the bottom of the controller casing. Gently twist to unlatch the front upper case from the back plate. Do not touch the integrated circuit board with bare hands to avoid electrostatic discharge (ESD) damage. Step 2: Secure the Back Plate
Daikin Manual User BRC1C51 61 | PDF | Air Conditioning - Scribd : If you are using two remote controllers
Connect the wires to the and P2 terminals on the remote controller terminal block.
Do not install the controller on external walls or near heat sources like lamps, electronics, or hot water pipes.
2-core vinyl-insulated sheath cable or cord (0.75 mm² to 1.25 mm²) Electrical conduit (if routing wires inside concrete walls) Mounting box (optional, standard single-gang box) 2. Technical Specifications Specification Daikin VRV, SkyAir, and commercial indoor units Wiring Requirements 2-wire, non-polar, stranded copper Maximum Wire Length Up to 500 meters total length Operating Voltage 16V DC (supplied directly by the indoor unit PC board) 3. Step-by-Step Installation Process Step 1: Remove the Upper Case
One BRC1C51 controller controls up to 16 indoor units simultaneously by daisy-chaining the P1/P2 terminal lines across all indoor unit control boards. 4. Initial Commissioning and Field Settings
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