... bit microcomputer of NEC or Toshiba to main board c. Apply 4 bit microcomputer & LCD to remote ... control d. The precision of temperature control <=1°C e. The display is the LEDs or the ... It can control indoor&outdoor fan speed,electric heater,compressor,valve, sweep etc. g. The power line ... clock,network function etc. j. It has 3minutes compressor,sensor fault, anti-cool-fan,defrosting,overload,over ...