It can run cool,heat,fan,save,dehumidify mode h. It has timer,sleep,washing filter,memory function etc. a. Low cost b. Apply 8 bit microcomputer of NEC or Toshiba to main board c. Apply 4 bit microcomputer to remote control d. The precision of temperature control <=1°C e. The display is the double 7segments LEDs f.  It can control three level fan speed,electric heater,compressor,valve etc. g. It can run cool,heat,fan,save,dehumidify mode h. It has timer,sleep,washing filter,memory  function etc. i.  It has 3minutes compressor protection,sensor fault protection, anti-cool-fan protection etc.

Controller for window type air-conditioner