Keep it clear of windows, doors, or direct air discharge from the vents.
: 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 daikin brc1c51 61 installation manual
: Use non-shielded, 2-conductor, stranded copper wire (typically AWG-18). Connection : Keep it clear of windows, doors, or direct