: Insert a flathead screwdriver into the recesses at the bottom of the lower case to gently pry off the upper case. Be careful not to damage the internal printed circuit board (PCB).
: If controlling multiple units, the remote is connected to the first unit, and subsequent units are daisy-chained via their P1/P2 terminals. Initial Setup and Configuration daikin brc1c51 61 installation manual
Before starting, observe these mandatory safety precautions: : Insert a flathead screwdriver into the recesses