... piate InsulationPU & Fiberglass woolSystems CirulationSiroco fanHeatingHeater;stainless-gang Fin-type heat pipe heat pipe heating mode of air circulationCoolingAirtight compressor+vaporator fins+air-cooling ... overload protection, the compressor overheating,over-current, over-pressure,dry heat, inside the over-temperature warning systemPower Source[K.W.]AC ...