... Wall mounted split Air Conditioner 1,LED panel display 2,cooling mode, heating mode (air mode), dehumidification mode, 3000BTU ... Wall mounted split Air Conditioner 1, the operating modes: cooling mode, heating mode (air mode), dehumidification mode, auto mode ... unit abnormalities, high pressure, low-voltage, overheating, over current and short time of three-phase power phase-phase protection ...