: If a code like U1 or U4 appears, check for wiring polarity or communication errors.
: Install control wires at least 3.5 feet (1 meter) away from televisions or radios to prevent electrical noise interference. Installation Procedures daikin brc1c51 61 installation manual
: 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 a code like U1 or U4
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. daikin brc1c51 61 installation manual