... remote control d. The precision of temperature control <=1°C e. The display is the LEDs or the double 7segments LEDs ... speed,electric heater,compressor,valve, sweep etc. g. The power line communication is applied between indoor and outdoor controller ... has 3minutes compressor,sensor fault, anti-cool-fan,defrosting,overload,over voltage,over pressure protection etc. Controller for floor-stand type A.C. ...