íííí1ú«3-phase power protection function, phase order/defect can be detectiveíú íííí2ú«Electrical heating and auxiliary electrical heating function íííí3ú«High and low voltage protection, íííí4ú«Compressor startup delay protection; íííí5ú«Over loading protection íííí6ú«LCD display with background light. íííí7ú«Operation state display íííí8ú«IR remote control functioníú íííí9ú«Malfunction code display.
